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645 Uppsatser om Waste hierarchy - Sida 34 av 43
Risker vid kalvutfodring med mjölk från Staphylococcus aureus-infekterade kor
Staphylococcus aureus är både den vanligaste mastitorsakande bakterien hos svenska mjölkkor och den bakterie som orsakar flest matförgiftningsutbrott hos människa världen över. Utveckling av tekniker som möjliggör subtypning och genkaraktärisering av S. aureus-isolat har möjliggjort stora framsteg inom S. aureus-epidemiologin på senare år. I Sverige är det mycket vanligt att kalvar utfodras med mjölk som kan innehålla S.
Effektivisering av ventilationsprojekt : Bravida Filial Uppsala
In recent years the construction industry has been exposed to increased time pressure which has resulted in a higher amount of wastage. Today 35 % of all construction projects in Sweden is "wasted". Time pressure has risen due to increased competition on the market, with more actors entering the construction business, therefore profit margins decreased which has led to a more pressing need for decreasing the amount of wastage.Bravida is Scandinavia's largest supplier of installations and provides specialist services in electrical installations (heating and sanitation), and ventilation. Mahdi Bawaqneh's task was to investigate where, how and why wastage occurs in the company's projects and how to prevent such wastage. The thesis covers the subjects of lean production, communication in projects and planning of projects.
Restaurering av våtmarker; Inventering av vadare och andfåglar vid Norra Lingenäset
The release of green house gases and the environmental impacts humans have on the environment are huge and might cause irreversible changes to our earth. Meat is considered to have large impacts on the environment, especially beef meat and therefore there have lately been considerable discussions on the sustainable level of meat consumption and production. The main goal with this thesis is to study sustainable meat production and meat consumption in the county of Dalarna in Sweden. Indicators for sustainable meat production and meat consumption were developed and applied on three cases. Interviews were carried out with a municipality in the region that represents the consumer and three beef farmers that represents the producers.
Kv. Vattenspegeln södra Munksjön, Jönköping : Hur kan ett attraktivt bostadskvarter utformas vid södra Munksjön?
The purpose is to understand the planning process for residential buildings and toinvestigate the consequences of the choices made in the process. The project will alsoprovide broader knowledge in the design and development under the current law andpractice.The goal is to present a proposal on how a city near the site where water can bedesigned from a sustainable perspective. How can a residential neighborhood be anenvironmentally sound and sustainable region? New systems and techniques havebeen presented previously in terms of sustainable environments and these are intendedof being used in the project Quarter Water-mirror.The project has been implemented on the computer program ArchiCAD in whichdrawings and visualizations have been carried out. These drawings are included asannexes to the report.For information, calculations and drawings, laws for physical planning and Swedishstandard have been followed.Residential buildings have been designed on a site, which is 2, 5 hectares.
Vindkraft eller kärnkraft - En jämförelse
The scope of this project is to make a comparison of costs associated with wind and nuclear power in order to decide which one of these is the most suitable in the case of an increased demand for electricity. It is also investigated if there are other factors that can influence the choice of energy source.An average cost is calculated in terms of kronor per kilowatt-hour (SEK/kWh) using cost of investment, operation & maintenance and taxes & subsidies. Total investment cost is recalculated to production cost using the annuity method at three different interest rates (6%, 9% and 12%).The comparison is made between three cases of wind power and two cases of nuclear power. For wind power there are two ocean-based (300MW and 100MW installed capacity, respectively) and one land-based (60MW) wind farm. For nuclear power there is one EPR-reactor (1600MW) and one AP1000-reactor (1100MW).
Uvärdering av Lagerlokalisering och Lagerutformning
Armatec tillhandahåller system, produkter och funktionella lösningar inom värme, kyla och process. Företaget har lager i Sverige, Norge och Danmark. Under senare tid har företaget sett att lagret i Norge utgör en stor kostnad. Armatec har därför börjat fundera på om de skulle tjäna på att centralisera logistikstrukturen dvs. stänga lagret i Norge och utöka centrallagret i Göteborg.
Ännu en genusanalys? En granskning av hur kvinnor och män framställs i islam och hinduism.
The aim of this Bachelor essay is to examine the portrayal of women and men constructed in two textbooks aimed for religious studies. The aim is also to examine how the image relates to the curriculum directives on gender equality. The theory consists of gender theory based on work by Catharina Raudvere, Jeanette Sky and Yvonne Hirdman. Previous research on gender and textbooks has shown that male perspective often dominates and that the female perspective is insertions in the rest of the text.?Genustrappan? (gender stairs) are used as analysis method.
Metanpotential för alger och bioslam blandat med pappersfiber
In this thesis the methane gas potential of three different substrates, two algaes Saccharina latissima and Laminaria digitata and biosludge mixed with paper fiber was studied. This was done by batch experiments in a laboratory environment to examine the gas production and composition of the produced gas.Biogas production is a complex anaerobic digestion process in which various microorganisms decompose the substrate in steps and at the end produce biogas and a residue. Many factors affect the production of gas, for example the substrate content, temperature and pH in the digester.The analysis of methane potential were divided into two experiments. In experiment 1 substrates were digested along with inoculum from Växjö waste water treatment plant in a temperature of about 37 ?C.
Konsekvenser av förändringsarbete vid ett akutsjukhus : En fallstudie om anställdas upplevelser av arbetsförutsättningar och välbefinnande med avseende på stress, krav och kontroll ?
I dag ställs höga krav på effektivitet, tillgänglighet och kvalitet inom hälso- och sjukvården. Utvecklingssatsningarna har som syfte att sträva efter en så god och kvalitativ vård som möjligt samt att använda sina resurser på ett kostnadseffektivt sätt, dock glöms ofta medarbetaren bort i dessa sammanhang. Syftet med denna magisteruppsats är att studera vilken påverkan förbättrings- och utvecklingsarbetet inom vården har på medarbetaren vid ett akutsjukhus. Studien belyser olika frågställningar såsom vad förändringarna betyder för den anställdes arbetshälsa, med avseende på stress, krav och kontroll. Ett annat syfte är att utifrån olika perspektiv belysa frågeställningen om de nya arbetsmetoderna förändrat personalens arbetsförutsättningar.
Att återvinna ett fartyg : En undersökning av en miljövänlig fartygsåtervinningsindustri
Syftet med förelagda undersökning var att karlägga de krav som ställs vid återvinning av han-delsfartyg i de nya regelverk som antagits av IMO och EU med målet att åstadkomma en miljövänlig fartygsåtervinningsindustri. Fokus har legat på de krav som de aktuella regel-verken ställer på fartygsägare och fartygsåtervinningsanläggningar, främst beträffande hantering och bortskaffning av de miljöfarliga material som finns ombord på fartyg. Med dessa krav som utgångspunkt har det redogjorts för hur ett återvinningsförfarande organiseras för att uppfylla de miljökrav som regelverken ställer.Resultatet av undersökningen pekar på att det med dagens teknik och kunskap i allra högsta grad är möjligt att åstadkomma miljövänlig återvinning av handelsfartyg. De problem och utmaningar som resultatet pekar på ligger på ett annat plan än det rent praktiska, bland annat lyfts den långsamma process som implementering av regelverk är fram som en utmaning för fartygsåtervinningsindustrin.Slutdiskussionen handlar till största delen om implementering av lagstiftningen, men också om hanteringen av fartyget och de material som finns ombord, samt om definitionsfrågor rörande ägendeskap. Vidare diskuteras rollen för andra aktörer inom sjöfartsnäringen och de åtgärder som dessa skulle kunna vidta för att åstadkomma en miljövänlig fartygsåtervinning innan de aktuella regelverken träder i kraft och blir bindande.
Development of green space in Dar es Salaam, Tanzania
In Dar es Salaam, as in many cities in developing countries, green areas are decreasing due to the fact that the growth of buildings, infrastructure and services has become a priority. As the population increases more buildings and infrastructure are needed and much of the building activity takes the form of uncontrolled settlements, which encroaches the public green space. Dar es Salaam has approximately three million inhabitants, of which about 70 percent are living in informal settlements.
The aim with this study is to make a design proposal for a park and recreation area where the Msimbazi river basin in the centre of Dar es Salaam is today.
The basin consist of a few playing fields, footpaths and some urban farming, but apart from this it mostly consists of unused grasslands, swamps and forests. Because it is an unsafe place and badly connected to the rest of the city infrastructure, it has become a barrier. The annual flood combined with the constant still shallow water creates a good breading ground for malaria mosquitoes.
Energieffektivisering genom förvärmning av flis till kokare med sekundärvärme
The Swedish pulp and paper industry meets higher demand for energy efficiencyi mprovements with increasing energy prices and changes in the Swedish renewable energy certificate system. One action of energy efficiency improvement is by using secondary heat, that otherwise would have been treated as waste heat, for use in a system with lower temperature demands. The aim of this Master´s thesis is to identify possible secondary heat sources in a typical Swedish pulp and paper mill and to investigate what economic benefits the secondary heat will provide when being used for pre heating of wood chips to a kraft digester.The Master´s thesis focuses on three secondary heat sources; dry warm air, warm water and moisture saturated warm air located inside the pulp or paper mill. Two types of kraft digesters are simulated within this study, a typical Scandinavian digester and a modern twin vessel steam phase digester.Due to quality aspects and low temperature level drying is the drying technology with dry warm air rejected. Using warm water in direct contact with wood chips increases the quantity of water to the evaporation plant and thus reduced pulp or paper production and is therefore also rejected.
Att konstruera en frack : En kvalitativ studie om studentfrackens upplevda gränser
This explorative study focuses on young, university attending males (22-27 years) and their understanding and pratice of the classic tail coat. It is based on five qvalitatively interpreted interwievs with a total of six participants, and through open questions regarding individuality and identicalness, limits and possibilities and inclusion and exclusion, a masculininty of a less contemporary hue takes shape. These conversations have revealed the tail coats potential of respresenting a male stereotype that can set a foundational and minimal standard for inclusion. Above this layer these males can then manifest and negotiate their masculine position in a homosocial hierarchy which decides the amount of passage, privilieges and confirmation of self- worth received for the wearer. These negotiation is performed by value bearing symbols (such as medallions, cordons and the like) allowed by the wearer and by the actions that systematically ensure that the lines of the tail coat are watched and unbroken.
Utformning av en ny verkstadslayout på Olaer AB
Olaer är ett bolag som utvecklar, tillverkar och marknadsför oljekylarsystem. Bolaget startades 1957 i Frankrike med engelska finansiärer. Sedan starten 1957 har företaget blivit en global koncern. Idag är företaget representerat i fem kontinenter. Deras kylarsystem är applicerade i fyra olika branscher, industri, anläggning- och jordbruksmaskiner, energi och, olja och gas.
Vakuumisolering ? Ekonomiskt försvarbart för småhus?
The number of people in the world and the urbanization increases. This leads to a bigger need of space for the built environment, space that soon doesn?t exist. A large portion of humanity?s energy disposal is used for heating of buildings.