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1875 Uppsatser om Climate experiment - Sida 14 av 125
Strauss test, vara eller icke vara?
Att genomföra ett test som alltid ger samma resultat kan i längden kännas omotiverat. Strauss test är ett test som funnits länge för att testa stålets känslighet mot interkristallin korrosion. I detta arbete har Strauss test utvärderats i syftet att få fram ett underlag som kan användas för att starta diskussioner om en förändring i provningsmetodiken. Anledningen till att en förändring behövs är att alla dessa, ej informativa, tester kostar pengar. För att få fram underlaget har en litteraturstudie och experiment genomförts.
Att optimera samhället inför klimatförändringar : Sårbarhet och anpassning på dagordningen
This thesis examines the ways in which adaptation and vulnerability are framed in national and sectorial policy-documents dealing with expected societal impacts of climate change. By using theories of discourse and ideology, the analysis aims to find and understand important ideas and presuppositions that are explicitly or implicitly expressed in these documents in order to make possible and tangible the institutional production of policy within the potentially far-reaching problematique of climate change adaptation and vulnerability. The analysis shows that there are two main perspectives through which vulnerability and adaptation are framed; one focusing limits to societal robustness; and one contesting the institutional capacity to implement adaptations. The author understands these framings as complementarily optimizing preconceived social and economic relations, something that might, in fact, reduce the response capacity of people..
Opportunities for improved environmental sustainability of a wine producer in South Africa : natural resource management and climate change adaptation and mitigation
South Africa has been among the top ten wine producing countries for at least 20 years. Even though the land under grapevines is decreasing globally it is still increasing in Africa. The awareness of environment has strengthen the last years and South African producers experience a high demand of environmentally friendly produced wine, especially from the European market. This demand was the driving force behind the development of the world unique sustainability certification, Integrated Production of Wine (IPW), which is inscribed in the South African legislation. What makes this certification unique is that consumers can trace their product all the way back to the farming practices owing to the identity number specified on the IPW Integrity & Sustainability seal on certified products.
Hur uppfattas riskinformationsbroschyrer? - teoretisk analys och experimentell studie av riskinformation
Information about the risks involved shall be distributed to the people living in the area nearby to potentially dangerous installation. Swedish law stipulates strict requirements on what information should be supplied, but the law itself does not give any guidance on presentation. The main purpose of the study is to give recommendations on how to improve the information brochures. Within the study, eight people working with risk information have been interviewed and seven different risk information brochures have been studied. Also, a theoretical analysis and a practical experiment were performed using brochures from two municipalities.
Inneklimatet på ett kontor : Undersökning av inneklimatet vån. G4 stadshuset samt kontor på Ånghammargatan
This report describes an investigation of the indoor climate in two different workspaces. Since we a big part of our lives are staying indoors in artificial environments, and more particularly in our workplaces, we think it would be interesting to do this investigation. The technical solutions for air treatment systems began with simple natural systems without fans and where the thermal rise of the air applied. In modern time is technical air treating systems used to take care of the fresh air supply. This type of units can supply filtered air with the right temperature to the building. Well-functioning ventilation is essential to bring clean fresh air to the room and effectively remove impurities without sound- or draught problems. The indoor climate is relevant for the output capacity.
Effekten av varumärkes beskrivning på studenters attityd kring värdering och ägande av produkter
Denna studie utgörs av ett explorativt experiment. Det som har legat i fokus
för denna studie har varit att mäta attityd gentemot varumärkes produkter.
Eftersom det har skett genom experiment har det centrala varit att se hur
attityden påverkas. Studien använder sig av vissa teorier kring varumärken som
råd och tips i upplägget av experimentet. En av hypoteserna som ställdes i
studien var att positiv beskrivning av varumärkes produkter ger högre utfall i
värderandet och viljan att äga produkten än neutral beskrivning.
Passivhus ur en brukares perspektiv
Ett passivhus är ett hus som i stort sett enbart värms upp av människorna och elapparaterna som finns i huset. Särskilda krav för att få kalla huset för passivhus måste uppfyllas.Vi har gjort en enkätundersökning på tre olika passivhusprojekt för att utreda vad de boende tycker om inomhusklimatet. De utvalda projekten finns i Värnamo, Frillesås och Glumslöv. Enkätsvaren visar att de boende i Frillesås är mycket nöjda, medan mer än 50 % av dem som bor i Glumslöv tycker att det är för varmt på sommaren och för kallt på vintern. För att utreda om de olika konstruktionerna har någon inverkan på inomhusklimatet har beräkningar och simuleringar i datorprogrammen VIP+ och IDA gjorts.
En doft av framgång : En studie i dofters påverkan på produktuppfattning
I denna uppsats undersökte vi, inom ämnet sinnesmarknadsföring, dofters inverkan på produktuppfattning. Sinnesmarknadsföring har som mål att skapa en positiv och lojal relation mellan varumärket och kunden med hjälp av sinnena. Syftet med vår uppsats var att utifrån befintlig forskning samt ett egenutformat experiment, undersöka dofters inverkan på produktuppfattning och därmed potential som marknadsföringsmedel. Vi ville dels undersöka detta samband för dofter generellt, och dels för dofter som dessutom är produktrelaterade. Vi ville även lyfta fram eventuella svårigheter med att genomföra experiment inom detta område, baserat på vår egen undersökning.
Jämförelseförsök mellan ogräsharvning och radhackning :
The organic farmland is increasing all the time and the goal is that 15 % of the Swedish farmland will be in organic production in year 2010.
The organic production needs new and more effective ways to control weeds, and there is the row harrowing coming as a good complement to the conventional weed harrowing.
In this experiment is weed harrowing whit different row spaces and row harrowing with a spacing of 25 cm compared. Then are the weed picked and the weight taken of them. The yield is compared in the 7 different ways of treatment.
The results is not showing any significant differences in yield even when the row spacing is 25 cm instead of 12,5 cm. Even the spring wheat that is a sensitive crop and has bad tillering is doing well in this experiment.
Now with modern technology where the row harrow is controlled by a camera that making the row harrow to follow the rows is it the soil coverage of the crop that is the limit for the speed. With wide machinery is the very good coverage even with a row harrow..
Energiberäkningar för passivhus
AbstractClimate and environmental issues are of paramount importance. Researchers agreethat we must all contribute to a reduction of gases that contribute to climatechange. Energy consumption must decrease within all sectors and the promotionof renewable sources of energy must be introduced.Each sector should aspire to decrease its energy consumption. Energyconsumption is strongly linked to waste gases that contribute to climate change.Passive houses are a part of the construction industry's methods to attain energyconservation.Passive houses are derived from low energy houses and super insulated houses. Apassive house is intended to obtain heat from the inhabitants and through theiractivities.
Psykologiska beslutsfällors inverkan på investeringsbeslut
Problem: The question is if investors falls into psychological decision traps when they are about to make an investments decision. Research in other areas suggests that this may be case. The reason is that they are not aware of that psychological decision traps exist. If so, it can lead to pernicious consequences for the return on the portfolios they manage. Purpose: To investigate if investors fall into four different psychological decisions traps: anchoring, confirming evidence, overconfidence and regression towards mean, at investments in IPOs Method: We have collected data through a form of experiment.
Knista kyrkog?rd: ett rekonstruktionsf?rslag f?r den v?stra kyrkog?rden
This study focuses on a reconstruction proposal of a small part of a rural churchyard that has
lost a big part of its history, in form of its conformation and plant material. The chosen part of
the cemetery was established in 1938, and this proposal is an interpretation of the architect?s
original plan, the workers wishes and my own observations and experiences of the place. In this
proposal I have tried to balance the plants composition to create an environment that can benefit
the biological diversity, that fits the locations habitat and today?s maintenance.
Är plöjningsfri jordbearbetning bättre än konventionell plöjning? :
The background of this study is the fact that it nowadays is more common to grow wheat after wheat. Usually we plow every autumn to remove the straw, and we wanted to study the effect of alternative methods to do it. We have done this experiment to answer the question if no tillage is better than conventional plowing. The results of the field experiment indicate that there is a link between plant establishment and the choice of equipment, but also a higher weed pressure in experimental plots with only ground tillage. The equipments which left much straw on the top of the ground the problems with fungi were more severe.
Funktionell validering av mutation i PUS-1 i en patient med mitokondriell sjukdom
With the climate change issues growing in importance on the social agenda, the field of urban masterplanning is of no exception when it comes to minimizing the carbon footprint in a variety of projects. The aim of this thesis has been to prepare the Carbon Critical Masterplanning tool, a software plugin for carbon dioxide emissions assessment developed by Atkins, to be used in Swedish conditions. The main targets were to improve the areas of the tool associated with energy conversion and renewable energy sources, and to test the tool in a real case. A planned construction of a new campus in Albano, Stockholm was chosen for the pilot study. A 3D model was built in the tool and the carbon footprint was calculated for a variety of combinations for energy supply to the future area.
Modeling of a step motor for position feedback in a climate system
Med detta examensarbete vill vi belysa problematiken runt tredimensionell fastighetsbildning. Som objekt har vi använt oss av ett bergrum på Liljeholmskajen i Stockholm..