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2612 Uppsatser om Energy security - Sida 60 av 175
Detaljeringsgraden i dagens detaljplaner, en studie av femtio planer för nyexploatering av större bostadsområden
In this report a study is carried out with the aim to identify added values of EPC projects implemented in schools in order to increase the interest of EPC projects on the market. The report examines how the planned maintenance, supervision, maintenance and corrective maintenance is affected, how insurance premiums and terms are affected, the indoor environment and how the tasks of the operating staff is changing. A literature study of energy savings, energy use in schools, maintenance and insurance as well as how energy efficiency improvements are related to the Swedish environmental objectives has been made. Visits were carried out in Ludvika, interviews were also carried out with operation technicians and local strategists in Ludvika as well as employees of insurance companies.Schools often have neglected maintenance and problems with ventilation and indoor environment. Schools also have a large energy saving potential due to their low utilization, mainly because they are empty parts of the year.
Anaerob rening vid StoraEnso Skoghalls Bruk
An analysis of a specific application of anaerobic wastewater treatment at a pulp and board mill, Stora Enso Skoghall, was carried out. A literature study was done and effluent wastewater from CTMP pulp production was analyzed. The analysis consisted of a broad constituent analysis and an anaerobic treatment trial. Results from these test where used to calculate the treatment effectiveness and resulting energy potential at the mill.The literature study and constituent analysis showed that toxicity of the water to be treated, due to wood extractives and sulphur content, was of concern. Detoxification chemicals targeting these constituents where used in the anaerobic treatment trial.
Trygghet som en faktor för hälsa : - en studie i stadsdelen Råby i Västerås
Trygghet är en subjektiv upplevelse som påverkas av många olika faktorer och påverkar människors hälsa och beteenden. En individs hälsa påverkas av hela den omgivande miljön och otrygghet kan leda till att områden inte utnyttjas, vilket kan föranleda inaktivitet, isolering och stress. Trygghet påverkas negativt av förekomst av brott och positivt av gemenskap, mötesplatser och delaktighet. I Sverige upplever de flesta sitt bostadsområde som tryggt men det är vanligare att boende i flerfamiljshus i större städer upplever otrygghet. I stadsdelen Råby i Västerås finns mycket flerfamiljshus och har ett rykte om att vara otryggt.
Chalmers oanvända datorkraft - Distribuering av arbete och energihantering med HTCondor
Chalmers University of Technology today have numerous computers which are never powereddown, at the same time there is a need for more computation power for researchers.Hence, we have investigated the possibility to use the computers for computing power andsecondly, if there is no work to be done, to put them into power saving mode.We have made a thorough study where we compared different distributing systems andin the end HTCondor was chosen as the best to implement. HTCondor is an excellent systemfor opportunistic use of computing power, i.e. make use of computers that no one elseis currently using. The system is used at several universities around the world with goodresults and would be excellent at Chalmers, where there is a need for such a system.Our implementation shows that HTCondor is well capable of handling unused computingpower. HTCondor can handle most file types that may be run on the system.
Jag vill ju bara vara lycklig! En studie av hur unga vuxna ser på sig själva och sin livssituation i förhållande till det senmoderna samhället.
The purpose of this study was to examine and illustrate how young adults look at themselves and their lifesituation in relation to the late modern society. More specifically its aim was to find out if the respondents have been affected by the ideals and norms of the late modern society in their lifechoises and their view of happiness. This study was based on interviews with eight young adults in the ages between 25 - 33. Out of the eight three were singles, two were married with children and three were in relationships. During the process four themes were identified: The importance and developement of an identity, fullfillment in the respondents lifesituations, the experience of happiness in the respondents lives and how the late modern society have influenced the respondents in their lives.
Socialt stöd efter våldtäkt
The focus of this study is on the nature of social support from the rape survivor's perspective. Research has shown that social support is essential to the survivor's ability to recover from rape and that it acts as a powerful tool for the survivor to effectively deal with the PTSD symptoms that follow rape. The research also shows that survivors often receive or interpret reactions after a rape as negative. Hence, these reactions can be detrimental tothe healing process.Qualitative interviews with six women on their experience of social support after rape form the base of this study and Anthony Giddens terms ontological security, fateful moments and bodily self-management are a part of the analytical apparatus. Rape is commonly analyzed from a feminist perspective.
Kräver ?smarta telefoner? smarta användare?
The number of smartphones are constantly increasing, 2010 approximately 200 million unitswere sold globally and the figure is predicted to increase to 1 billion in 2016. The increased useof smartphones also carries many risks, for example many smartphones are connected to theInternet. This is a possible way for hackers to gain access to user devices. Smartphones are wellrepresented in research on its safety, while research on its use and users? awareness often leavesmore to be desired.
En gemensam fiende? : -En jämförande studie om olika staters syn på terrorism
Even though terrorism has been on the political agenda for several years there is no general accepted definition of the phenomena of terrorism. Several scientist do also apply that terrorism have changed after the 9/11-attacks. The purpose with this thesis was to analyze and compare the image of terrorism represented by the United States, United Kingdom, Sweden and Norway, in an attempt to draw conclusions about similarities and differentials. The material that was used was these four nations individual counter terrorism strategy. This was made by using idea analysis and self constructed dimensions based on earlier science about security, terrorism and international law.
Mer säkerhet och mindre frihet med risk att förlora dem båda: En kritisk diskursanalys av lagförslaget till FRA-lagen
The aim of this thesis is to contribute to a better understanding of the FRA-law. The focus of the study is to examine how Swedish politicians relate to the new draft of this law on intelligence. Key themes in the study are security, threats, surveillance and privacy. The power relationship between the individual and the state is also examined. Empirical data used in this study consists of a spoken plenary debate in the House which was held in connection with the adoption of the FRA law in June 2008.
Samband mellan lågt tryck i dricksvattenledningar och magbesvär - En utredning av hur lågt tryck på dricksvattenledningsnätet vid lagning av läckor påverkar sjukligheten hos Göteborg Vattens abonnenter.
Two elementary schools are now being built in Gråbo (in the municipality of Lerum),Röselidsskolan and Ljungviksskolan, which are both designed with solar thermalcollectors for the schools domestic water heating. During the summer while thelargest amount of solar heat can be generated, the activity hence the domestic wateruse in the schools are heavily reduced. Both schools are connected to the local districtheating system which makes it possible to use the solar collectors to deliver heat tothe district heating.The purpose of this thesis is to evaluate the two systems mentioned above and todetermine which system is more suitable to apply on a school. The building whichconditions were used for this evaluation is Röselidsskolan.A solar heating plant of each system type was dimensioned from the expected andknown conditions of the building. The purpose with the dimensioning was to makethe solar plants replace the ordinary energy source as much as possible.
Programmerning av en industrikap med GRAPH 7
This essay is divided in several different parts, but all are tied up together by a fact that we want to increase productivity. We hope to do that by programming the PLC and to reach this with a better security for the person how are going to handle the cutting machine under it?s cutting process. We should as well look for some other ways to come up with better instructions and way to work and handle yourself during work. This programming is done in GRAPH7.
Hembudsklausuler i aktieägaravtal
Since the 9/11-attacks several nations have been confronted with a new international threat, its nature traces back to the political- and religious- radical movements of the 20th century Cold War. Ever since, various states have been under threat by terrorist organizations around the world due to mainly participating in worldwide counter-terrorist interventions created by western alliances. In Sweden, amongst other countries, the state took security-precautions that would imply total control of information throughout the territorial borders. The assigned proposition was accepted by the Swedish parliament in June 18th 2008, after this date wild spread criticism was still in effect ever since the Swedish government first publicly announced the proposition in May 8th 2007. This study emphasizes on understanding why the Swedish government chose to present this proposition to parliament, in order to complete this task the study will present the motives and the alleged threats that were the core of the proposition and its value-maximizing goal of creating a new surface for Swedish homeland security.
Lingvistisk knäckning av lösenordsfraser
För att minnas långa lösenord är det inte ovanligt att användare rekommenderas att skapa en mening som sedan sätts ihop till ett långt lösenord, en lösenordsfras.Informationsteoretiskt sett är dock ett språk väldigt begränsat och förutsägbart, varför enligt Shannons definition av informationsteori en språkriktig lösenordsfras bör vara relativt lätt att knäcka.Detta arbete riktar in sig på knäckning av språkriktiga lösenordsfraser, dels i syfte att avgöra i vilken grad det är tillrådligt att basera en lösenordspolicy på lösenordsfraser för skydd av data, dels för att allmänt tillgängliga effektiva metoder idag saknas för att knäcka så långa lösenord.Inom arbetet genererades fraser för vidare användning av tillgängliga knäckningsprogram, och språket i fraserna modelleras med hjälp av en Markov-process. I denna process byggs fraserna upp genom att det används antal observerade förekomster av följder av bokstäver eller ord i en källtext, så kallade n-gram, för att avgöra möjliga/troliga nästkommande bokstav/ord i fraserna.Arbetet visar att genom att skapa modeller över språket kan språkriktiga lösenordsfraser knäckas på ett praktiskt användbart sätt jämfört med uttömmande sökning..
Klövviltets besöksfrekvens och bete i sydsvenska poppelplanteringar
Energy is an essential part of the society and for a sustainable future we need to use the energy resources in a sustainable way. The forest is Sweden?s most important resource for renewable energy and a higher production combined with shorter rotation periods (time from planting to clear cutting) can increase the access to energy. The tree genus poplar (Populus spp.) is interesting as energy resource as it has both high production and short rotation period.
But browsing ungulates are a major threat to the establishment of poplar plants and therefore the poplar plantations need to be fenced in today. To use fences is expensive and time consuming; this makes it interesting to find more cost-effective solutions where there is no need to fence.
The aim with this study was to look at the ungulates? occupation rate and browsing pressure in poplar plantations without fence.
Ljudisolering i prefabricerade betongstommar. En fältmätning av luft- och stegljudsisolering.
Two elementary schools are now being built in Gråbo (in the municipality of Lerum),Röselidsskolan and Ljungviksskolan, which are both designed with solar thermalcollectors for the schools domestic water heating. During the summer while thelargest amount of solar heat can be generated, the activity hence the domestic wateruse in the schools are heavily reduced. Both schools are connected to the local districtheating system which makes it possible to use the solar collectors to deliver heat tothe district heating.The purpose of this thesis is to evaluate the two systems mentioned above and todetermine which system is more suitable to apply on a school. The building whichconditions were used for this evaluation is Röselidsskolan.A solar heating plant of each system type was dimensioned from the expected andknown conditions of the building. The purpose with the dimensioning was to makethe solar plants replace the ordinary energy source as much as possible.