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Friday, April 5, 2019

Web-based Geovisualization of Renewable Energy

Web- ground Geovisualization of renewable EnergyTable of Contents (Jump to)1 Introduction2 literary whole kit Review2.1 Introduction to renewable slide fastener2.2 Web based Spatial Data visual image Method2.3 Geovisualization ToolsBiblio chartyTable of FiguresFigure 1 routine of sh atomic number 18 renewable nada for gross lowest cleverness consumption and electrical energy generation in European Countries (European Comission)Figure 2 BMU-Brochure Renewable heartiness sources in figures national and international ontogeny, provisional figures. Provided by BEE (Federal Ministry for the Environment, 2012)1 IntroductionGeovisualization is nock of tools and proficiencys to discerp geospatial info with the phthisis of interactive visualization. Its identical with round data deposits of spatial data, means creating geovisualization requires large datasets handling. In the past it was almost impossible to visualize and analyze this large spatial data, but it changed since the rapidly development of technology these past decades, as tools have been developed by individuals and organization. As a impression, spatial entropy becomes more available and accessible to support the use of location information for other related palm in order to produce better analysis and cle ber visualization.Many researches have been conducted in geovisualization field. Different approaches are implemented to defecate a number of software such(prenominal) as statistical data exploration, graph persisting techniques, exploratory visualization with multiple linked view, visualizing individual spatio-temporal behavior, design of spatio-temporal data visualization tools, etc. The technologies and approaches are applied based on type of data to be visualized and the result anticipate for geospatial. For example incline typify is used in analysis of migration and disease spread in the U.S. this flow make up purpose is to carry a form of weighted location-to-location n etwork, the pattern movement of people or disease from one location to another location. Whereas, another map visualization leave be pet with different experience of visualization such as chloropleth map is to show statistical data aggregate for each area such as state or city by coloring or shading these regions. Generally in choropleth map, differences in hue are used to present qualitative differences, such as land use, while differences in saturation or lightness are used to indicate quantitative differences, such as population.In renewable slide fastener area, Eurostat has published time serial (per year) vane based map with statistic illustrated for Renewable energy generation of European Union member. The map getd is a cloroplath map using different colors that refers to percentage range of renewable energy share of each rural in gross final energy consumption and electricity generated from renewable energy.Figure 1 Map of share renewable energy for gross final ener gy consumption and electricity generation in European Countries (European Comission)The percentage of share renewable energy used by each country not and identified by color and number range in agenda, but also shows by mouse over effect, when user pointed certain area in map, text and percentage of renewable energy generation lead be appear.This thesis aims to ca-ca tissue-based geovisualization of renewable energy to monitor the growth of renewable energy share in Germany especially in electricity production. Data is obtained from enerymap.info that collects data from EEG messages in form of csv file. Two main ways to visualize data proposed are graphs and maps. Main visualization result will be the different aggregation level of area in Germany (based on states and counties), time series and statistics.To be able creating wind vane based geovisualization, single-valued function technology and graph tools creator becoming issue. in that location is a need of tools that prov ide functionality to create map and graph with fast response that support web based drill performance. Topojson is proposed to be used as mapping visualization combined with graph to show the statistical illustration. One tool fall by the wayside available that has the ability to connect topoJSON map and data in array format to create maps and graphs is D3.js. This JavaScript library is fast and cost-efficient to travelling bag large dataset and enabling maps with fundamental interaction and animation (Kbben, 2013). To create web based geovisualization, this thesis proposes the use of free tools to develop the web based application. However, because of the input data is in German format, all numerical values that are needed for statistical illustration is saved in text values, pre treat to re format data is necessary and will be done in arcGIS using phyton code. Additionally, geo processing tools from arcgis are also needed in the pre processing stage to group and select import ant data from the large dataset to be visualized in the web based geovisualization. Shapefiles result of geo processing will be stored in topoJSON contains both gemotry values and properties that will be processed as input for final visualization using web based tools and d3.js library.2 Literature Review2.1 Introduction to renewable energyAccording to European Energy Security Strategy document(strategy, 2014), energy is a vital part of Europes economy that motivates European commission to secure energy supplies and open access to energy sources in order to provide affordable expenditure. There are some(prenominal) policies to rule energy supplies EUs 2020 energy and climate policies, energy efficiency and renewable energy policies. In between 1995 and 2012, total demand of energy decreased gradually due to economic crisis, morphological changes in EUs economy and significant increase of primitive oil price. During that time period, crude oil still dominate the energy demand amo ng other sources, but surprisingly the number has declined meagrely from around 21% to 17%, in contrary, share of renewable energy has doubled to almost 11%. The increase share of renewable energy has helped European countries to gradually suppress demands of energy imports, even though oil still holds the largest quantity for almost 90% import dependencies for energy sources.Germany as one of EU member has set national integrated climate and energy package as follows for EUs 2020 energy and climate policies. One of the main focuses of the national commitments is in electricity generation considering electricity has comparatively high share in many sectoral levels such as industry, agriculture, residential, service and transport.Figure 2 BMU-Brochure Renewable energy sources in figures national and international development, provisional figures. Provided by BEE (Federal Ministry for the Environment, 2012)From above figure of electricity generation from renewable energy, wind gives the largest contribution in electricity generation followed by hydropower, biomass, biogas and photovoltaic sequentially. Governments set goals to increase share of renewable energy in electricity sector for around 25-30% by 2020(EEG, 2012) by offering support of stable policy for the growth of renewable energy and feed-in tariff of fixed price of every kilowatt-hour electricity produced by renewable energy in 20 years. The feed-in tariffs have been introduced through the electricity feed act(StrEG) in 1991. StrEG was then replaced by Renewable energy resource Act (EEG) in 2001. found on EEG amendment in 2014, federal network agency officially operates the official plant register. Energymap.info with aim to support EEG and the visibility of renewable energy in Germany publishes publicly data available in the website. Data is combined from EEG messages and assigned to each region. Then calculate non-trading energy produced for all areas and create top 10 regions that achieve highes t target for renewable energy.2.2 Web based Spatial Data visualisation (Geovisualization) TechniqueNowadays, spatial information is more available influences by the growth of web GIS technology and support tools. One of the purposes of developing geovisualization with web-based mapping technology is to increase the accessibility of spatial data through online strategy. However, because geographical data is identical with large dataset, involve technology and database with fast response to develop a web-based GIS application because both of aspects will influence over all website performance. A paper with title Developing efficacious Web-based GIS Application has published nand this research focuses on the comparison for mapping technology and databases for webGIS application(Adnan, et al., 2010). Based on this paper, roofing tile based maps are preferable than static map renders. Tile based map can handle large data set by divided maps into different zoom levels. Various popula r use tile based maps geovisualization technique are Google maps, yahoo maps and open layers. This map is faster to load because only respond to user specific location requests. However, at the end section of this paper, writer proposes preferable database and mapping technology to be implemented in webGIS application to give better performance for web application. audacious map that based on vector images becomes the final choice for fly rendered map capability and its developed along with popular tools adobe illustrator and already integrated with an API in ArcGIS (ArcGIS Flex API) and moth-eaten with google map API. While for the database of web GIS requires efficient performance of database in response user request, because the nature of GIS web-based application needs large amounts of geographically referenced data to be displayed from database. Oracle is final choice to handle large dataset among other databases free available tools. However, both for mapping technology and database are commercial software, not free available even though both offered great functionality to create web GIS application. Moreover, flash map requires flash player in the web browser to enable user view the map.In another research, Luca Morandini writes getting the best performance for GeoJSON Map visualizations PostGIS vs CouchDB back-end, explains another possibility to visualize map through online system with technique called TopoJSON. This research mentions Geojson is one possibility to send geometries data from server to client. Geojson is formed by encoding geographic data structure into one object. Geojson supports various geometry types such as point, lineString, polygon, multipoint, multiLineString, multiPolygon, and geometryCollection. However the extended of GeoJSON called TopoJSON format is considered to be more effective for geographical data because the reduction of response size by applying a topological approach. GeoJSON is clever dealing with browser but ca uses duplication of polygons border, while topoJSON is encoding topology that creates geometry decrease and defines polygons as arcs collections that shared by adjacent polygons that reduces file size. According to this research, TopoJSON data size is reduce virtually 30% from original geoJSON(Morandini, 2013). The reduction of file size used in web application will improve the performance and response of user request. In addition, tools to create both geoJSON and topoJSON are freely available.2.3 Geovisualization ToolsD3.js provides many functions for graph and also map to build customize visualization framework. D3.js is easy to use and written in a functional style that can be reuse and add specific functions to create desire content. D3.js gives full customize ability to developer to create the visualization by support of various d3.js functions(Anon., n.d.). d3.js is used in web application to utilize web page communication with data that are with form of JSON or loading fo reign data csv, geoJSON, topoJSON or database.D3.js is a JavaScript library to manipulate Data Object seat (DOM) by binding data, apply transformation and transition to create interactive data visualization. D3.js library works with combination of other tools such as HTML and CSS to create web based visualization system (Maclean, 2014).Two main focuses for using d3.js in this thesis are to create graphs and mapping visualization. In creating graph, external or JSON data can be used. Firstly, create canvas with svg object by setting security deposit and graph area. This svg will be the container to bind data to be visualized in the application. Then, data rendered with data() command. Next, set scales domains and ranges of x and y axes with domain() and scale() commands. Lastly, add text or modify the appearance of the graph(Mulder, 2014)Not only to create graph visualization, d3.js is also can be used to create mapping visualization. D3.js includes several common projections in it s library to support mapping visualization. There are 3 main steps to create mapping visualization using d3.js create projection function with projection system options from d3.js, create agency function that will store all geometry values, using geojson or topojson as object data to draw map in path (Jenson, n.d.). All geo functionalities to build the map are provided by d3.js. There are significant invested amount of time to learn geoJson structure but once user familiarwith the function and data structure, visualization can be easily to create. Thus, d3.js can be utilized to create various geovisualization techniques such as stack display, iconic display, dense pixel display and also interaction techniques that can be added to create a more interactive visualization, such as standard, projection, filtering, and zoom (Dykes, et al., 2005) . D3.js is also fast and efficient to handle large dataset and enabling maps with interaction and animation (Kbben, 2013)BibliographyAdnan, M., Singleton, A. Longley, P., 2010. Development Efficient Web-Based GIS Applications. London, CASA.Anon., n.d. Dashing D3. Online Available at https//www.dashingd3js.com/why-build-with-d3js Accessed 16 January 2015.Dykes, J., Fabrikant, S. Wood, J., 2005. Exploring Geovisualization. In Exploring Geovisualization. London, Enschede Elsevier, p. 4.EEG, 2012. Act on granting priority to renewable energy sources, s.l. EEG.EREC, 2009. Renewable Energy indemnity Review, Germany, s.l. Intelligent Energy Europe.Federal Ministry for the Environment, N. C. a. N. S., 2012. Renewable Energies Driving Germanys Energiewende, Berlin Federal Ministry for the Environment, Nature Conservation and Nuclear pencil eraser (BMU), Public Relations Division.Jenson, G., n.d. d3.js Geo fun. Online Available at http//www.hashbang.co.nz/blog/2013/2/25/d3_js_geo_fun Accessed 15 JAnuary 2015.Kbben, B., 2013. using the D3 library for web-mapping in an SDI environment. May, pp. 14-17.Maclean, M., 2014. D3 Tips an d Tricks Interactive Data Visualization in a Web Browser. s.l.Lean Publishing.Morandini, L., 2013. acquiring The Best Performance For GeoJSON Map Visualizations PostGIS Vs CouchDB back-end. Nottingham, At Nottingham, UK .Mulder, P., 2014. Getting Started with D3. Online Available at http//thinkingonthinking.com/Getting-Started-With-D3/ Accessed 15 January 2015.strategy, C. S. E. e. s., 2014. COMMISSION faculty WORKING DOCUMENT In-depth study of European Energy Security, s.l. s.n.1

Thursday, April 4, 2019

The Individual Level Analysis For Systems Politics Essay

The Individual Level Analysis For Systems Politics Essay con hunt down at the soul level analysis differs from that of taxonomic levels of analysis. War at the psyche level concedes directly to that of human nature. Decisions of assorted individual break downers bay window be traced to that of human nature. According to the first level of analysis, war is the top of an individual leader decision making and is ultimately up to that individual. The textbook states that, War occurs beca social function of the choices state make, non due to inbred aggressive traits (168).It is my opinion that the majority of individuals in top executive have strong agendas both(prenominal) for the state and for personal self interests. While the first course of action by these individuals whitethorn be diplomatic in nature, they may very intimately succumb to the evils of armed difference to obtain their objectives (whatever they may be). These individuals ar only human and face human trai ts such(prenominal) as fear, greed, restlessness, a need for safety, and r flushge. If individuals in power feel threatened, they may consider armed involution as a solution to soothe potential worries of current and in store(predicate) threats. According to the textbook, human beings are built for consensus, non conflict (167).War at the systematic level involves structural processes that occur on a wide scale because of diffusion of power among competing states. War results at the systematic level because of repeating trends such as power cycles, power transitions, and distribution of power systems. Power cycles and power transitions cannister fuel tensions and international conflicts that may possibly lead to armed conflict (but not always). The Union of Soviet Socialist Republics (USSR) and the United States of America bipolar distribution of power that resulted in the cold war is a prime example of power cycles and transitions.The causes of war can be complex and often a re the result of individual as well as systematic divisors such as the example given in the beginning of chapter 7. Bismarcks personal ambitions for glory as well as the systematic power cycle of Prussia best explains wherefore war results on various levels of analysis. Prussia was at a critical point of unification and the next step was to consolidate individual German states. With an individual leader bent on state domination as well as the systematic sectionalisation in diplomatic solutions, bloody armed conflict ensued.In my opinion, the individual level is more serviceable in explaining the occurrence of war in contemporary times. The political orientation and beliefs that concourse in power tend to lean towards local anestheticizes whether or not these individuals will decide to embark on armed conflict.7.The follo file name extension characteristics determine causes of war at the state level of analysisThe geographic location of a state proportional to its competitor may determine the frequency in which that state engages in conflict with its competitor. Reoccurring conflict and territorial reserve disputes is nothing new to Israel and the Palestine populate. Both reside close in geographic proximity (In position, many a(prenominal) a(prenominal) Palestine people actually live deep down Israels borders). Since the Israel-Palestine war in 1948, both weigh that the dirt they occupy is rightfieldfully theirs.Cultural values and various forms of nationalism can lead to armed conflict since it reinforces commitment to ones own heritage. Xenophobia is also an another(prenominal) factor that can contribute to conflict. If governments are persuasive adequate in nationalist rhetoric and propaganda, they can convince citizens that foreigners are a threat to the state. Governments sometimes use this strategy if domestic support of the state to govern is strained or deteriorating.Civil strife can produce massive unrest within a state simply because violence and displacement commonly occurs when a state experiences a civil war. When the United States experienced civil war, it was because .Poor economical conditions may breed discontent among the less fortunatePolitical institutionsCivil strife is the most salient factor that contributes to war because of the risks associated in a governmental collapse of authority. This could lead to some form of anarchy which may result in a chaotic governance and the states ability to keep control.Civil strife, cultural values, and scurvy economic conditions are prime breeding one thousand for new terrorists. Sometimes I wonder why the planetary North spends so much money on military expenditures when they could take a subdivision of those expenditures and help build sound infrastructures in the ball-shaped South. The Global North could build schools to educate the Global South instead of building bombs and investment could jumpstart businesses instead of wars. Of course this would ta ke time. Every dollar sign that is spent building new weapons could be deducted from military expenditures and transferred to investment of the Global South. If the Global North took a more liberalist stance on improving civil strife, cultural values, and poor economic conditions in the Global South, everyone involved would be much better off. The Global North would spend less money on weapons while the Global South would have nominal terrorist recruits because the standard of living would improve and thus people would be less discontent. In the end, everyone would be better off since there would be a minimal chance of conflict.8.One of the most interesting and opposing statements in the realm of competing ideology of armed conflict is that one persons terrorist is another persons freedom fighter. There has been armed conflict of some sort of another since the filter of time. I find it ironic that each individual and each group have in minds that there side is the right side. Th e textbook states that, like most animals, humans instinctively defend territory they believe belongs to them. I think it is possible to take this one step further and say that humans instinctively defend ideas and ideologies that they believe belongs to them and that everyone else must except their beliefs. Since each side believes that they are right and the other is wrong it makes perfect scent out that that one persons terrorist is truly another persons freedom fighter.It is sad because terrorists do not abide by the geneva conventions. For example, when terrorists flew a jet into the world trade center, none of the terrorists wore uniforms. Some may argue that these freedom fighters could not afford them. Well obviously, these same freedom fighters were funded by Osama bin laden.The majority of people in the horse opera hemisphere vehemently oppose terrorists because of its violent nature. Who would want to get blown up or watch a family member or country man die because of s ome terrorists group agenda? Nobody in the established world wants to live in fear and terror. In fact, if I had to take a kooky guess, no one wants to live in fear and terror, no matter if those people live in the established world or not.Some people around the world support terrorist causes because they feel apprehension for the terrorists causes and struggles. These people think that the human struggle against the establishment is as old as time itself. Sympathizers usually share same religion, ethnicity, or culture. People that live in regions that harbor terrorist organizations support these terrorists because these terrorist provide order, go, and certificate to local communities.Al-Shabaab (a terrorist group in Somalia) is an key example and illustration of why terrorist act is such a problem in the contemporary world, why people reverently support terrorists, and reasons why other people vehemently oppose terrorists. Al-Shabaab is responsible for suicide bombings again st the Somali government, contend nongovernmental organizations, and various media correspondents. In the last orthodontic braces of years Al-Shabaab engaged in a two week gorilla like battle with the Ethiopian military (it has since withdrawn its forces from Ethiopia) and is currently attempting to overthrow the Somalia government. Al-Shabaab is even suspected of fostering pirates that are responsible for attacking ships and oil tankers in and out of the Gulf of Aden. Training and consulting pirates has become a major concern to western nations since it disrupts trade and puts individuals from western nations of increased risk. Somali pirates make money by holding a ships lode and personal for ransom. Governments in the west have labeled Al-Shabaab as a destabilizing force in the Somali region. Foreign investment by nongovernmental organizations has been extremely minimal because of this destabilization (which fuels a viscous cycle of even more destabilization).Somali pirates a nd the Al-Shabaab terrorist network may be a result of inequality in economic resources and cultural values as referred to in chapters 5 and 6. Some people may in fact support Al-Shabaab activities because they share the same cultural, ethnic, and extreme right wing religious views of the individuals that compose the terrorist group. Other terrorist groups such as Al Qaeda support Al-Shabaabs activities since both terrorists groups share similar extreme right wing religious views of Islamism.9.A main goal of terrorism of the past was to frighten as many people as possible but not necessarily killing as many people as possible. Todays terrorists dont care as much for a public audience, rather they want to kill as many people as they possibly can with a vengeance. The new global terrorism is more scare then previous iterations because in todays world, terrorists can use relatively primitive weapons to carry out bulky and dramatic terrorists plots. Take a look at the 9/11 terrorist a ttacks that occurred in the United States of America. 19 Al-Qaida terrorists were able to hijack four American airplanes using nothing more than box cutters, black pepper spray, and fake explosives. What the 19 Al-Qaida terrorists had working for them in their favor was the accumulation of months of planning, precise execution (with the exclusion of the airliner that crashed in Pennsylvania), and a little luck that there was a breakdown in communication within the United States of Americas foreign and domestic intelligence agencies.Terrorist organizations are using the intranet to communicate to a younger propagation of angry and disenchanted youth. Using common video posting services such as services similar to YouTube and rogue websites, these organizations can communicate with their selected audience. Todays terrorist organizations operate in decentralized, small fractions run by local leaders. Organizations like al-Qaida may have a central cause but operates globally without the deputation of any one leader.On the one hand, in order to stem terrorism, the textbook suggests that, those advocating repression see terrorism springing from the cold calculations of extremists who should be neutralized by preemptive surgical strikes (183). This strategy clearly follows that of the Bush doctrine. The ideology of the Bush doctrine led to the invasion of Afghanistan and more or less war with Iraq.On the other hand, the textbook suggests that, those who see terrorism rooted in frustrations with political oppression and relative deprivation incline negotiation and compromise (183).If I was a key U.S. presidential aid on foreign constitution I would recommend the following three strategiesAim for and destroy all terrorist infrastructure and breading grounds for training using military preemptive strikes.Shut down and freeze terrorists financial assets and revenue streams.Impose rigid economic sanctions on countries who support, fund, or harbor terrorists.The po tential drawbacks of implementing the preceding strategies would be the cost of human lives of righteous citizens. Women and children who have nothing to do with state sponsored terrorism would be victims of these economic sanctions and military strikes. This would be grounds for considering each strategy on a case by case basis since collateral molest should no. The war against global terrorism may never be won since there are always going to be weeds springing up wherever dissatisfaction takes root. However, global terrorism in the future may be minimized if regions within the Global South take a turn for the positively charged and follow into the footsteps of the Global North. Ultimately, terrorism is a nasty apple that brings devastation to all involved. Hopefully, strategies like the three listed previously will rot terrorism to the core and eradicate unconventional activities among dissidents in the Global South.

Drug Action On Gut Motility Biology Essay

do drugs Action On Gut Motility Biology EssayDescribe and explain the payoff of battleground arousal on ileum concretion? The experiment aims to determine the functional role of variant drugs like morphia, atropine or naloxone on compressing of wop hair ileum using transmural stimulation or acetylcholine applied exogenicly.The transmural stimulation is given with an initial pulse width of 0.5ms, frequency 0.1Hz and in stages increasing the voltage until we get a measurable contraction.The transmural stimulation, given to the guinea pig ileum acts on enteric nervous system lining the GI system controlling GIT , produces an action potential at the membrane cause depolarisation and pervious to calcium (ca+2) ion and leads to increase in ca+2 ion closeness through voltage gated ca +2 channel. This causes release of acetylcholine (ACh) at synaptic cleft, which be passed to bind with muscuranic (M3) receptors. These act by G- protein couple receptors mechanism. Gs Protein a ctivates phospholipase C (PLC), catalysis the hydrolysis of phosphoinositides, (the phospholipids found within the cell membrane) generates two second messengers inositol-1,4,5-triphosphate (IP3) and diacylglycerol (DAG). These second messengers, influence the protein phosphorylation and effectively regulates the intracellular ca+2 concentration. The IP3 formed binds with the IP 3 receptor and control the release of ca+2 from intracellular store. The DAG mainly activates membrance-bound protein kinase, protein kinase C (PKC) , have vast cellular distribution and phosphorylate different proteins and stick reason for raised intracellular ca+2 concentration causing contraction. These two second messengers get down the contraction of ileum by land stimulation.2 . a . milling machinery concentration morphia Vs contractile solution of champaign stirred meander (in mm)Table masking the contractile resolution (mm) of morphine on field stimulated guinea pig ileum at different mola r concentrationstightness of Morphine (M)Contractile response (mm)1 -10-10923 -10-10911 -10-9903 -10-9881 -10-8823 -10-8641 -10-7363 -10-7301 -10-6273 -10-6261 -10-524Fig .a. instaling the effect of different concentrations of morphine on guinea pig ileum measuring contractile response in mmb. The logarithm of the molar concentration morphine Vs contractile response of field stimulated tissue (in mm)Table showing the different contractile response at varying logarithm of molar concentration of morphine on guinea pig ileumLog tightness of Morphine (M)Contractile response (mm)-1092-9.52287874591-990-8.52287874588-882-7.52287874564-736-6.52287874530-627-5.52287874526-524Fig. b. Graph showing the effect of log concentration of morphine on guinea pig ileum measuring contractile response (in mm)c. Molar concentration morphine Vs % placidity of stimulated tissue.Table showing, the % relaxation of stimulated tissue at different molar concentration of morphine.Concentration of Morphine (M) Percentage relaxation of stimulated tissue (%)1 -10-1003 -10-101.0861 -10-92.2223 -10-94.3471 -10-811.1113 -10-830.4341 -10-760.8693 -10-767.3911 -10-670.6523 -10-671.7391 -10-573.913Fig. c . Graph showing the % relaxation of stimulated tissue of guinea pig ileum at different molar concentration of morphine.d. Molar concentration of acetylcholine Vs contractile response in unstimulated tissue (in mm)Table showing the contractile response of unstimulated tissue (in mm) at different molar concentration of acetylcholine (M)Molar concentration of Ach (M)Contractile Response (mm)1 -10-8173 -10-8371 -10-7493 -10-7581 -10-6593 -10-659Fig. d. Graph showing the contractile response (in mm) on unstimulated tissue of guinea pig ileum at different concentration of acetylcholinee. The logarithm of the molar concentration acetylcholine Vs contractile response in unstimulated tissue (in mm)Table showing, contractile response (in mm) of unstimulated tissue at different concentrations of acetylcholi ne.Log Concentration of acetylcholine (M)Contractile Response (mm)-817-7.52287874537-749-6.52287874558-659-5.52287874559Fig. e. Graph showing contractile response (in mm) of unstimulate tissue of guinea pig ileum at different log concentration of morphine.3. Explain the effects of morphine on field stimulated-induced contractions and how/why this is affected by atropine and naloxone?Morphine is an opioid analgesic drug acts on opioid receptors. There are three major subgroups under opiod receptors (mu), (delta) and (kappa) receptors. Morphine mostly acts on receptors.From the interpret, during field stimulation-contraction, on addition of morphine of 0.1nM concentration it does not show any much effect initially, but on increasing concentration of morphine it shows gradual decrease in contractile response and sudden downfall of response by half from 100nM to 300nM and then stabilise with little varying response (in mm) in further concentration.This is due to, when morphine is a dded to the bath of field stimulated-induced contraction the activation of opioid receptors (), via Gi- protein, which inhibits adenyly cyclase, thus decrease in cAMP formation, leading to decision of ca+2 channels and decrease in muscle contraction by inhibting release of ACh at synaptic region.Naloxone acts as competitive antagonist at , , receptors. It is also used as restitution the overdose of opioid molecules.When naloxone is added to the field stimulated guinea pig ileum, which is having morphine of certain dose causing dose-dependent decrease in response. The naloxone, acts as competitive antagonist of morphine which replaces the morphine occupied at opioid receptors and reduces the obtainable receptors for morphine to bind and leads to reversing the morphine effect towards field-stimulated contraction. So, the response increases gradually with increase in concentration of naloxone from 200nM to 1000nM and then 3000nM. This shows effective competitive antagonism of nalox one towards morphine activity.In case of atropine, the graph shows, on addition of atropine there is a slightly decrease in response initially and then gradually fall in response due to action of atropine as antagonist at Ach receptor, which occupies the M3 receptor and inhibits the contraction via G-protein receptor mechanism.4. Explain the observed effects of morphine, naloxone and atropine an Ach-induced contractions and relate this to the effects on field stimulation.From the graph, we slam that the morphine and naloxone do not show much significant effect on ACh-induced contraction on guinea pig ileum than field stimulated contratcion. But the atropine show a significant effect on ACh- induced contraction.During field stimulation, the morphine acts via Gi protien (adenyly cylase inhibition) and inhibits cAMP formation and decrease ca+2 concentration and effect the ACh release at synaptic cleft (endogenous). But in the ACh-induced contraction, ACh is available exogenous to occ upy the M3 receptors and intiate contraction, showing morphine does not much effect its action as in graph it slightly inhibits just 0.4mm.Naloxone, act as opioid receptor antagonist, may not act on Muscarinic receptors, show no much effect on ACh-induced contraction as ACh in exogenous can direct act on M3 receptors as in graph and which is different in case of field stimulated contratile response, inhibits the morphine action and increases ACh at synaptic region producing significant contraction.Atropine, is a muscarinic (M3) receptor antagonist, the graph shows a significant effect on ACh-induced contractions by atropine. Atropine as competitive antagonist, added to bath occupies the M3 receptors much faster than ACh and inhibits its action, which inturn inhibits ileum contraction.

Wednesday, April 3, 2019

Modification of Power Series Expansion

Modification of military unit Series ExpansionThe available rules to compute the logarithm of a come using digital circuits can be take offd in 2 main groups. On the angiotensin converting enzyme hand, we have the look-up plank ground algorithmic ruleic rules and, on the other, iterative methods. The first approach is faster and straightforward, merely yet helpful for low precision. For giveing it, requires large amount of memory for increasing the accuracy. This is receivable to the coat of the look-up table. We only evaluated iterative algorithms that need small look-up tables. The second group is slower, but suitable for high precision. Taylors series intricacy is among the most popular methods to manually compute logarithms, but it has a slow convergence and requires slow trading operations like the division. Hence, they be slow when no embedded multipliers are available. galore(postnominal) studies explore hybrid implementations that take advantages from twain groups.Our project required an algorithm that could be implemented on FPGAs from any vendor. It should be platform independent. Our algorithm requires less memory and no multiplier at all to implement superpowerial and logarithm cultivate.To the best of our knowledge there are only dickens previous works focused on the exponentialfunction 8 9, and only one for the logarithm function 10 (from the same authors of 9).The first one 8, employs an algorithm that does not exploit the FPGA characteristics, andconsequently presents poor performance. The other two implementations 9, 10 are part ofa common work and are de firmed suiting with FPGA flexibility (using inhering tailored fixedarithmetic and exploiting the symmetry features of the FPGA) achieving much better results.They are parameterizable implementations that, additionally to single f.p. format, also throw overboardsmaller exponent and mantissa bit-widths and are both based on stimulation range decline andtable-driven methods to calculate the function in the trim down range. Our ex and ln x units,based on these units, include the following innovative featuresSingle precision f.p. arithmetic generation. 9, 10 were de sign-language(a) considering only normalized tallys, not denormalized. special logic has been introduced to handledenormalized numbers at the payoff of ex and the input signal of ln x. Redesign of units to deal only with single precision. The feature of bit-width config-urability of the base designs has been removed. Thus, the resources mandatory have beenreduced because specific units, just for single precision, have been developed. simplification of constant multiplications. As suggested in 9, conventional multipliershave been removed where the multiplications voluminous constant coecients, improvingperformance and reducing size. Unsigned arithmetic. In 9, 10 internal fixed arithmetic with sign is used. However,some operations (like the ones involving range reduction and c alculation of the exponentfor the result in ex) are consecutive and related, and the sign of the result can be inferredfrom the input sign. For such operations signed arithmetic has been replaced by unsignedarithmetic with the corresponding logic reduction. meliorate pipelining. The speed is enhanced by systematically introducing pipelinestages to the datapath of the exponential and logarithm units and their subunitsThe paper 11 explains about the implementation of power and log function based on a simple modification of power series expansion of Taylor series. In power function implementation, the paper aims at reducing the exponent number to a smaller value. It requires a large amount of pin ram and hardware multipliers as well. It becomes platform dependent and the clock relative frequency may vary from vendor to vendor. The degradation in throughput rate is due to the use of 18 X 18 embedded multipliers in it. The powering unit also requires more number of stages which may be reduced further.In the proposed method, we are going to reduce delay and improve the throughput rate by obviateing the embedded multipliers and block RAMs. In this paper, we are not completely avoid look up tables, but any value of logarithm or exponential can be calculated, by adjusting the look up table values to the desired number8 C. C. Doss and R. L. Riley, FPGA-Based implementation of a copious IEEE-754 ex-ponential unit, in IEEE Field-Programmable Custom Computing Machines, 2004, pp.229238.9 J. Detrey and F. de Dinechin, A parameterized oating-point exponential function forFPGAs, in IEEE International collection Field-Programmable Technology, 2005, pp.2734.10 , A parameterized oating-point logarithm operator for FPGAs, in Signals, Systems and Computers, 2005. Conference Record of the Thirty-Ninth Asilomar Conference,2005, pp. 11861190.11 Pedro Echeverra, Marisa Lopez-Vallejo,An FPGA Implementation of the Powering Function with Single Precision Floating-Point arithmeticAn FPGA Implementation of the Powering Function with Single Precision Floating-Point ArithmeticPROPOSED METHODThe proposed method avoids multiplication and division operations, and is thus suitable for implementation in software system on processors that lack such instructions (or where the instructions are slow) or in hardware on a programmable logic device or dedicated chip. This method is suitable when shifters are available in abundant. It is an extension to the implementation of sine and cosine explained in CORDIC. The proposed algorithm evaluates the power functions for both positive and cast out values. There are some constants by which it is well-fixed to multiply. For example, multiplying by 2n, where n is a positive or a negative integer, can be achieved by simply shifting a number by n places. The shift will be to the left (division) if n is positive, to the right (multiplication) if n is negative. It is nearly as easy to multiply by numbers of the form 2n1. These simply involve an add (or) infer a shift.Implementation of EXP For implementing y = exp(x). The algorithm is going to generate a time of values for x and y, and we are going to install sure that for all(prenominal) pairKExp(k)5.54522562.7726161.386340.693120.40553/20.22315/40.11789/80.060617/160.030833/320.015565/640.0078129/128y=exp(4)y=exp(4)exp(-(xk))=exp(4)exp(-x)exp(k)=yexp(k).In other words, if we subtractkfromx, we have to multiplyyby exp(k). All we have to do now is make sure that exp(k) is a beautiful number, so we can multiply by it easily, and the rest is straightforward. Note thatkitself does not have to be nice, as we are only subtracting that, not multiplying by it. Here are some nice values of exp(k) and the corresponding (not necessarily nice) values ofk.The flow of algorithm is as follows for positive powers of xHere in each iteration, we subtract the input from the nearest value of exp(k) as listed in the table. If the difference is negative, we multiply the output by the corresponding exp(k). The process continues withmore entities in our table of k, lastly we depress the result. In the same way the flow chart is mentioned for nagative powers of x.KExp(k)5.54522562.7726161.386340.693120.28773/40.13357/80.064515/160.031731/320.015763/640.0078127/1280.0039255/256The flow of algorithm is as follows for negative powers of xHere in each iteration, we subtract the input from the nearest value of exp(k) as listed in the table. If the difference is positive, we divide the output by the corresponding exp(k). The process continues withmore entities in our table of k, finally we get the result.Implementation of LOG For implementing Y=log (x), the procedure is quasi(prenominal) to the implementation of exponential function

Tuesday, April 2, 2019

Diabetes Mellitus and Erectile Dysfunctions

Diabetes Mellitus and Erectile DysfunctionsCHAPTER 1INTRODUCTION1.1 Diabetes MellitusDiabetes Mellitus is a pigeonholing of metabolic disorders which is characterized by chronic hyperglycemic condition with elevated occupation glucose levels (Kohei., 2010). It may be either im equateed insulin achievement or inability of cells to resolve properly to the insulin synthesized from important cells (Rudolf et al., 2012). in that location ar majorly ii types of diabetes- example I or Insulin Dependent Diabetes Mellitus and Type II or Non-Insulin Dependent Diabetes Mellitus.The ulterior condition is characterized by fasting hyperglycemia along with a take chances of thrombolytic and atherosclerotic disorders that mainly affect the cerebral, peripheral and coronary arterial trees (Grant., 2007). Diabetes is associated with various complications including micro vascular and macro vascular complications such as retinopathy, nephropathy, atherosclerosis, endothelial dysfunction and erectile dysfunctions.1.1.1 Type-I Diabetes (IDDM or Juvenile onset Diabetes Mellitus)Type I is a constitute of diabetes mellitus that results from the autoimmune destruction of the insulin-producing beta cells in thepancreas The ultimate lack of insulin leads to enhanced blood and urine glucose. The hallmark symptoms are polyuria (frequent urination), polydipsia (increased thirst), polyphagia (increased hunger), and weight loss. The reason of diabetes mellitus type 1 is unknown. Type 1 diabetes contribute be distinguished from type 2 by autoantibody testing. TheC-peptide assay freighter also be used to measure endogenous insulin production. Global the derive of people with DM type 1 is unknown. It is estimated that about 80,000 children developed the unsoundness a year. Numbers of people who currently have the disease in the United States are possibly as much as leash million. Rates varies from a low of 1 per 100,000 in Japan and mainland China to 8 to 17 per 100,000 in North ern Europe and the U.S., to a extravagantly of about 35 per 100,000 in ScandinaviaCaused by immune destruction of beta cells of the pancreas.Antibodies to islet cells and insulin are observed at diagnosis.Insulin secretion gradually decreases.whitethorn present at any age but most greenness in childhood and adolescence. Insulin by sc injection is necessary for survival. add factors- Genetic predisposition, Environmental trigger (infection or stress)1.1.2 Type- II Diabetes (NIDDM or boastful onset Diabetes Mellitus)Type II diabetes may be caused either by insulin resistance in the liver and skeletal vigour, or enhanced glucose production in liver, or excess production of free fatty acids by fat cells and insulin deficiency.Insulin secretion diminishes with gradual beta cell failure.Reductions in blood glucose levels can be achieved with changes in food intake and also personal legal action patterns. Oral medication and/or insulin injections are finally required. add factorsObes ityAge (onset of puberty is associated with increased insulin resistance)Lack of physical activityGenetic predispositionRacial/ethnic background (Native American, African American Hispanic and Pacific/Asian Islander)Conditions associated with insulin resistance as in polycystic ovary syndrome1.2 penile AnatomyThe penis composed of trio bodies of erectile thread which cover in parallel the corpus spongiosum, surrounding urethra and terminating in glans penis and the two corpora cavernosa (CC) function as blood-filled capacitors which provide structure to the erect electronic organ (Andersson et al., 1995). The penile CC is highly organised vascular structures which are morphologically acclimatised to their function of becoming engorged of versed arousal. The trabecular smooth muscle comprises approximately 40-50% tissue cross-sectional area, as evaluated by histomorphometric analysis (Nehra et al., 1998). There are three main arteries in penis ie, cavernosal, abaxial and bulbour ethral. These three arise from a shared branch of internal pudendal artery and provide an immense anastomotic network (Tiee et al., 2010). Nowadays, there is a angle of dip to Role of Arginase Inhibitor and Alpha-Tocopherol in Streptozotocin Induced Sexual Impairment in manlike Rats 2013-14perform experiments using pudendal artery in vitro instead of cavernosal tissue to check pathophysiological aspects of ED as this artery is the vital resistance of penile engogerment during sexual stimulation. Novel research suggests that pudendal artery contributes about 70% of total penile vascular resistence (Manabe et al., 2000). The blood supply in CC is mainly fed from the penile cavernosal artery (Andersson et al., 1995) which causes corporal engorgment during erection, whereas deep dorsal artery causes glans enlargement but venous drainage is not comparable to the arterial supply there has only one deep dorsal vein which runs alongside dorsal arteries and nerves in the Bucks facia ab ove the tunica albuginea which is a multilayered organized structure where envoi veins pass. The penile venous system is generally give tongue tod as a single deep dorsal vein along with a pair of dorsal arteries located between tunica albuginea and Bucks fascia for venous drainage (Moscovici et al., 1999). The corpus spongiosum which is erectile tissue analogous to CC but with thinner tunica albuginea. The urethra lies inside the spongiosum. The innervations of penis is both involuntary ie, sympathetic and parasympathetic nervous system and somatic ie, sensory and motor. From the neurons present in the spinal anesthesia cord peripheral ganglia, the sympathetic with parasympathetic nerves merge to form cavernous nerves, which enter in CC and corpus spongiosum for affecting the neurovascular events during detumescence and tumescence (Dean et al., 2005).1.3 Physiology of penial ErectionPenile erection involves primordial and peripheral pathways. Tumescence initiated after centr al integration and processing of visual, tactile, olfactory and imaginative stimuli. At the initial of sexual stimulation, signals are generated to peripheral tissues involved. Hence final response is mediated by coordinating spinal activity through the autonomic pathways to penis, and also in somatic pathways to perineal striated muscles. Both of the central and peripheral regulation of the PE involves several(prenominal) neurotransmitters, of which details are still incompletely known. Spinally, there may be a network consisting of the primary afferents from the genitals along with spinal interneurons, sympathetic, parasympathetic and (somatic) nuclei, which is capable to integrate all information. Peripherally, a balance between substances which ascertain the degree of contraction of cavernosal smooth muscle determining the functional carry of the penis (Gratzke et al., 2010). The dynamic interplay between vasoconstrictors and vasodilators within the penis establish the state o f erect or flaccid. PE is determined by the pressure changes in cavernosal arterioles and sinuses. The vasculature character of the erectile mechanism differs from most of the vascular beds as it is comprised of arterioles and hollow blood-filled sinuses, both that are lined with endothelial cells and smooth muscle (Dean et al., 2005) as previously described. During flaccidity, this tissue is tonically contracted which allow only a petty amount of arterial flow regarding nutritional purposes. Partial pressure of type O (PO2) in blood is around 35mmHg (Sattar et al., 1995). On the other hand, dilation of penile arteries is the primary event in the consequence of erection

Examining Bonnie And Clyde Film Studies Essay

Examining comely And Clyde Film Studies try onWhen someone speaks about a female criminal without a pre gondolaiousness mediocre Parkers name leave behind be mention. She is one of the most far-famed women in the history of crime. Bonnie and her partner Clyde was the most dangerous cope with during the Great Depression Era. The dickens of them went on a dickens class robbing and killing spree that ultimately ended in their deaths. The way the deuce constantly eluded the law of nature andBonnie Elizabeth Parker was born on October 1, 1910 to Charles and Emma Parker. Her go was a brick layer who died when she was only five and her mother was a house wife. She was the consequence child of three. Bonnie was a real bright and well ameliorate girl. She was an excellent speller and was exceptionally good at writing poetry. This was a passion that she had and poetry friended her to express he feelings. Later in living she would write some poems while on her crime spree and t hey will become famous. When she was 16 she married a man name Roy Thornton. He eventually was arrested for his part in a robbery and was sentenced to prison. She leftfield him just now never divorced him because she felt it wouldnt be right to do so while he was in put aside. Although she was a waiter she eventually took a job as housekeeper and that is where she met Clyde Barrow. A couple of weeks after they met, Clyde was sentenced to prison of dickens years for past crimes that he had committed. Clyde then came up with a architectural platform for Bonnie to help him reach out away. When she came to visit him she smuggled a pistol into jail and Clyde used it on the guard and he escaped. in short after his escape he was arrested again and was then sentenced to fourteen years in prison. On February 2, 1932, Clyde was released from prison. He soon met up with Bonnie in a stolen auto and this is when their crime spree began. (about.com)Bonnie went with Clyde on his first rob bery since his released from prison. The plan was for Clyde and his work party (Buck (Clydes bother), W.D. Jones, Frank Clause, Henry Methvin, Everett Milligan, and spear Hamilton) to rob a hardware store. Bonnie was in the car while the robbery was going on. She was arrested by the jurisprudence while sitting in the car. She was soon released because of lack of evidence. Soon after her release, Bonnie and Clyde continued their crime spree.Although Bonnie and Clyde were on the run they often make stops in Texas to see their mothers. Bonnie was very close to her mother and she made it mandatory to see her mother all 2-3 months. In March 1933 Bonnie and Clyde made another stop in Joplin, Missouri. Clydes brother Buck was released from prison, so the two decided to rent an apartment to spend time with Buck and his wife Blanche. In April they spotted two policemen and that is when a shootout began between the two groups. Bonnie, Clyde, Buck and Blanche all escaped. In the apartmen t they left pictures that showed Bonnie and Clyde posing with stolen cars, cash, and guns. Bonnie also left one of her poems in the apartment also. These items that were left in the apartment made the couple very famous.In November 1933 W.D. Jones was captured and told the police about how Bonnie and Clyde visits their family. The police then set up an ambush that put Bonnie and Clydes family in danger. This angered Clyde and he decided to take revenge on the Eastman Prison. Bonnie and Clyde helped to free Raymond and Henry. Raymond and Clyde got into an argument and Raymond left but Henry stayed. Little did Bonnie and Clyde know Henry and his family would help cause the death of them.Henry and his father Ivan were the two who help to set Bonnie and Clyde up. They did this for an exchange for Henry to be pardoned. Henry knew that Bonnie and Clyde didnt have anywhere to stay so he insisted that they stay at his fathers cabin. Ivan told the police the route where Bonnie and Clyde wou ld be traveling. The police then set up an ambush and also made it matter as if Ivan had a flat tire. As Bonnie and Clyde came down they seen Ivans car and slowed down. That is when the police men came out and demand for them to stop. Bonnie and Clyde attempted to pickup but the police men fired approximately 167 rounds. Bonnie and Clyde died in a flash because of the gunshots. They were buried separately at their families burial sites/They knew Bonnie and Ckyde would stop to help and that is when they would capture them. As Bonnie and Clyde approached the car theyIn April of 1934 Clyde and Henry Melthvin killed two policemen. It was this incident that would help to lead the police to them. Ivan Melthvin( Henrys father) was took into custody after government activity found out that he often hid the gang. He themBonnie and Clyde had many co conspirators. Some of their Coconspirators were by the of Buck (Clydes bother), W.D. Jones, Frank Clause, Henry Methvin, Everett Milligan, an d Ray Hamilton. Bonnie went with Clyde on his first robbery when he was released from prison. The plan was for Clyde and his gang to They often helped Bonnie and Clyde with their robberies and the murders. They would mainly rob grocery stores and gas stations. The money they stole from these places was the money they lived on. They would sometime banks but would not make dour with too much money. They enjoyed stealing cars mainly for the thrill of riding in a different car.

Monday, April 1, 2019

The Importance of Feasibility Analysis

The Importance of Feasibility summaryThis report analyses the enormousness of Feasibility synopsis to vexationes when they argon deciding on the viability of a proposed business opine involving the passation or improvement of an information establishment. This report is schism into three parts the initial part defines a feasibleness analytic thinking, the s come outh part pardons how an IT feasibleness depth psychology should be conducted using the template of the IT understructure Library (ITIL) and the last section in this report examines a realized feasibility rent by Powerco, a utilities distri merelyion Company in New Zealand.What is a feasibility outline?As the words feasibility compend suggests a feasibility analysis is carried out to decide on the viability of a proposed venture basically it answers the essential question of is it a practicable option and should the disgorge be implemented. All stages of the analysis be carried out in order to answer th is question.When looking it is clear that the majority of all coarse advantageful businesses conduct a feasibility get word to ensure they enter on a viable design, for role model Microsoft squander a outstanding research department situated in many different cities passim the globe, this department collaborates with many institutions producing many feasibility analyses a year. When examining successful businesses such(prenominal) as Microsoft, I discovered they depart not commit to a new be sick without first thoroughly prizeing all of the variables and reviewing the probability of success through a feasibility study.The feasibility analysis processAs a feasibility analysis is practically time consuming and extravagantly-priced (many companies pay consultants to perform the analysis), a preliminary study is under donn to determine if it would be worthwhile to proceed to the feasibility analysis, within this preliminary study the military rank of alternatives is made along with drawing represent and attain analysis. A feasibility study is usually conducted after the project motorbuss put up discussed all project ideas and every possible scenario, only if the roots be positive the feasibility study begins.The content of feasibility AnalysisWithin a feasibility study it is infallible to discuss a physical body of aras including details of the present organization what are the functions and objectives, who are the Stakeholders and the reasons to improve or replace the current organisation for example inconsistencies / inadequacies in functionality or performance, is thither any possible upshot alternatives and the advantages and disadvantages of the alternatives.Feasibility analysis can be disrupt into four types useable factors Operational feasibility is used to assess how well the information systems lead work if implemented in the abandoned environment.Define the urgency of the projectIf the project is implemented, will it be a s uccess?Does sleep togetherment confirm the project?How do end users feel about the new system?People tend to resist change can this bother be overcome?Can management and end users adapt to the change?Has the proposed venture conflicted with organisational or government regulations?Schedule factorsIt often takes time to build and implement an information system solution will the project still be prerequisite on completion?The technology may exist, further are there the dexteritys available to not only complete the project but complete it on schedule?Is the project deadline reasonable?Is the deadline desirable or mandatory? What are the results of failing to meet the project deadline? technological practiced feasibility is the measure of the practicality of specific technical information system solutions and the accessibility of technical resources. Often new technologies are solutions looking for a problem to solveIs the technology for the information system solution practic al?Does the necessary technology exist?Is the technology proven?Is the technology practical and true(p)?Are the necessary skills available to design and implement the system?Is there the infrastructure to cope with ongoing maintenance (problems, upgrades)Economic This is regularly the approximately historic analysis made, it asks important questionsIs the project justified (i.e. will benefits outweigh prices)?Can the project be done, within given cost constraints?What is the tokenish cost to attain a certain system?Which alternative offers the outmatch return on investment?How much will it cost to handle?The 12 Stages of an ITIL Feasibility AnalysisITIL is a global guidance memorandum that provides worlds best practices for IT suffice management companies. ITIL guidelines are often used in feasibility studies and are broken down into twelve stages. These twelve stages are described in this next section and if necessary a brief example has been givenIntroductionIt is import ant that an introduction to the feasibility analysis is made this introduction includes the content, the intent, the intended audience, the purpose, and organizational details of the feasibility analysis. prudence SummaryThis stage summarises, what the other stages within the template will explain in more detail this section provides a quick overview of the feasibility analysis and would include the following, an Introduction, Management Summary, Background of the barf, Objectives, Situation, gain grounds, Problems and Risks, Technical Requirements, Options, Cost/Benefit Analysis, Financial/ cipher Implications and RecommendationsBackground to the ProjectA project is proposed for a specific scenario and this shade describes the reason the proposal of marriage exists. For example current gross gross revenue are at a low due to increased competition, the proposal is for a new company website, where customers are able to buy directly.ObjectivesThe high level business purposes of th e proposal, including the long-range management goals. For example, the proposed project is to increase gross revenue by an estimated 15% per annum over the next ten years.SituationThis footstep describes the present condition, without the service in place, including market conditions, it is necessary to highlight the lack for the proposed system, and the consequences of the proposal not being authorized.BenefitsIn the benefits section, it is necessary to focus on the short term benefits of the proposal this is different to the objective stage which focuses on the long term gains and the cost-benefit step which focuses primarily on the financial benefits. An example of this could be the increased customer satisfaction of the proposed website.Problems and RisksIt is important to site and assess possible problems and trys of the proposed project associated with it within the development, design, and deployment stages. This is done by doing a danger assessment on the proposed sys tem this will be used to identify problems in many different areas, including technologies, lack of user support, or resources.Technical RequirementsHas the business the technological infrastructure for the proposed system? These requirements include knowledge of the computer hardware and software required, for example, does the business possess the database architecture, network structures, and hardware to sustain the website, will it be necessary to outsource?OptionsIt is recommended in the ITIL framework that a feasibility analysis includes any alternatives to the proposal, including advantages and disadvantages and cost. An example of this could be advertising to increase sales and would show the estimated cost of this.Cost/BenefitIn this step, the extreme cost of the project is calculated this includes development, design, deployment, and maintenance of the new service. Costs include facilities, hardware, labor, and software. The project cost is compared to the financial benef its provided by the proposed system.What are benefits? These are examples of benefits, more precise / timely information. Improved operation, increased flexibility of operation, increased output, error reductions, cost reductions benefits can be placed into three different categoriesMonetary when gold values can be calculated,Tangible when benefits can be quantified, but monetary values cannot be calculated.Intangible when neither of the others apply, this applies there is a benefit, but it cannot be quantified.There are different types of costsProject relateddevelopment,purchasing,Installation,training costs,Operational costs these costs are often ongoing costs and includeMaintenance on the hardware maintenance, lease, materials parcel maintenance fees and contractsPersonnel operation, maintenanceThere are a number of tools used, which helps in the economic section of the feasibility analysis these are Cost-benefit analysis (CBA) which estimates and totals up the equivalent money value of the benefits and costs of proposed projects to establish whether they are worthwhile. Payback Analysis which is used to calculate how long it will take to pay the costs of the project Return on Investment Analysis which compares the lifetime profitability of alternative solutions, Net Present Value Analysis using current monetary values, profitability is determined of the proposed project, Return On Investment (ROI) compares the lifetime profitability of alternative solutions, (Lifetime benefits Lifetime costs) Lifetime costs and finally you can compare alternatives with the feasibility analysis matrix.Financial/Budget ImplicationsOnce the overall costs have been established, it is necessary to verify if the necessary funds are available, if so how? This may result in changes to the work out or priorities and reducing expenditure to accommodate the costs.RecommendationsIn this final step recommendations regarding the proposal are made including scheduling and budgetingSum maryIn summary these twelve steps that make up the ITIL is among the first activities a manager will undertake in preparation for a proposal for a new IT service, though it is important to remember these steps make a general guide and different information systems may require amendments.Examples of feasibility analysisThough the majority of businesses keep their own feasibility analysis private, research identified an interesting feasibility analysis conducted by Powerco. In this section I will briefly review this feasibility analysis in a case study due to the word restrictions on this essay and the extensiveness of the ITIL framework.Powerco has an estimated 410,000 consumers which makes it one of New Zealands largest utilities Companies. These customers expect a reliable service 24 hours a day, 7 days a week.Powerco applications are split between two computer programs Oracle RAC and Microsoft SQL innkeeper, which has meant that the business had additional expenses of licensing, supporting, operating, and fend foring two systems. additionally it was awkward for staff to alternate between the systems when working. As the Oracle platform of Powercos warranty cycle was approaching expiration, and the financial system was scheduled an important upgrade, it was clear to the company that it was time to reassess its options and whether it should merge to a bingle server platform or replace existing hardware. Powerco acknowledged that to consolidate the database platforms would create a more simple IT environment and would reduce the total cost of the database system significantly. The case for consolidation was simple why maintain two systems if you dont need to? explains Mr. Griffiths, Infrastructure Manager, Powerco. Powerco undertook preliminary study of the solutions and assessed the pros and cons of Oracle versus SQL Server. This analysis pointed towards some significant advantages in choosing SQL Server over Oracle. These included trim licensing and m aintenance costs, ease of management and fewer requirements for a specialised skill set to manage and service the system.A feasibility study of migrating to SQL Server was then completed by consultants on Powercos behalf including a cost/benefit analysis, a risk assessment, analysis of the alternatives and the four factors discussed earlier in this report, this affirmPowercos applications could be supported on SQL Server, with the remaining end of life applications being replaced with SQL Server compatible ones, the feasibility study showed that unlike other options Microsoft SQL Server, answer could be done in-house.Microsofts SQL Server was the cheapest option to license, maintain, and support, particularly because of the specialised disposition of Oracle.The business would be more streamline and efficient with just the bingle platform.Increases security.Further Tangible and Non-tangible benefits.Due to the results of the feasibility study, Powerco changed from the two platfor ms to solely Microsoft SQL Server, the result of this consolidation has meant Powerco has been able to reduce costs significantly, also ensuring it was easier to maintain and manage in-house and eliminating the need for external consultants. The migration to SQL Server has cut the overall cost of self-possession by $390,000 a year, also helping to streamline Powercos IT systems and have given a number of other Tangible and Non-tangible benefits.ConclusionIn oddment this report has explained what a feasibility study is and when it should be used, I have then reviewed the various stages which are recommended by the IT industry experts at the ITIL and have given an example of a successful feasibility study undertaken by Powerco.I believe to be objective this report should have explored examples of a unsuccessful feasibility study, however this was not possible due to my research not providing any suitable cases, but still the findings of this report are clear, it is advisable to do a feasibility analysis, as it is tried and tested and the vast majority of large and established companies use this method to interrupt the viability of a proposed venture and are taking a substantial risk if a feasibility study is not carried out before embarking on new project.