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1320 Uppsatser om Rain water - Sida 66 av 88
Historiska emissioner av bly och arsenik till luft från Åfors Glasbruk och deras konsekvenser för miljön.
Åfors glasswork was a company which started in 1876 and closed in 2012 due to the bad economical situation in the company. After its closure, the glasswork left behind contaminated soil with different concentrations of heavy metals such as, arsenic from arsenic trioxide, a chemical used to remove bubbles during the melting of glass, and lead oxide, a chemical used in the production of crystal glass. Crystal glass?s production occurred under 1921-1971, but emissions of lead into the air from Åfors glasswork continued until 2011, because of the artist Bertil Valliens? artglas was made in Åfors glasswork from 1970?s and onwards.The aim of this study was to estimate how much lead (Pb) and arsenic (As) that were released by Åfors Glasswork into the atmosphere during the operational period of the glasswork in comparison with how much of lead and arsenic were purchased for the company. Added to the assistance of the data from National Archives the variations in the activities of Åfors glasswork could be shown.
Redesign of an existing apartment block in Kv Preussen to passive house
Passive houses are a relatively new concept in Sweden and by that it is meant a house without a traditional heating system. The most acknowledged passive house project is the terrace houses in Lindås, Gothenburg, which we have used as a reference. This project concerns a square apartment block. So far, no square apartment block has been built as a passive house in Sweden.The common opinion in the construction industry is that it is not economical to build extremely energy efficient houses. With Peab as commissioner our task was to investigate if that is true, if regarding the construction of a multi storey house as a passive houseMidroc, now owned by Peab, constructed in the block of Preussen in Jönköping during 2004-2005 four houses, with 132 apartments distributed on seven floors.
Energiförbrukning för putsade, odränerade träregelväggar i fuktigt respektive torrt tillstånd
In recent years, moisture damages have been noticed in rendered, undrained stud walls. The design is built on the principle one-stage tightening which means that there is no air gap in the construction. The damages have occurred when water has permeated through the rendering in leaking connections and fittings for windows, doors, canopies, balconies, terraces and awnings. Behind the plaster carrier, which consists of either polystyrene or rigid mineral wool, plasterboard has often been used as a wind protection barrier. In many cases the wind protection barrier and the underlying wooden studs have been exposed to mould and in some cases even rot.
Hur väljer man lämpliga SNP för produktion av SNP-chip?
The objective was to examine the frequency of unwanted behaviors in the Swedish feline population and what factors in the environment, inheritance and past life that have an influence on the frequency. SLU?s web poll generator was used to create a web poll which insinuated that it was a poll with objective to make an inventory of the Swedish feline population. I wanted to avoid that only owners to cats with unwanted behaviors answered the poll. The web link to the poll was sent to SLUs students and posted on Internet forums for people interested in cats.
Möte i månsken : ett belysningsförslag för Fyristorg
The object of the thesis is to propose a new lighting plan
for the square Fyristorg in Uppsala, and to describe the
process which have led to it.
It all started when I choosed the place together with the
municipality of Uppsala.
I have been doing research and analyzed how the place
and it´s existing lighting works both during different times
of the day and also in the evening.
After researching the place and it´s existing lighting I´ve
decided to put up the following goals fot the new lighting
design.
1. The general light level of the place shall be experienced
as higher than today.
2. The light level of the place shall be adapted to the light
levels of surrounding places.
3. The lighting shall be free from glare.
4. The lighting shall be adapted to people passing by.
5.The lighting shall be adapted to the surrounding
architecture.
6.
Inventering och riskklassning av nedlagda deponier enligt Metod för Inventering av Förorenade Områden (MIFO), Uppsala kommun : Spridningsförutsättningar och transportprocesser i deponier samt ansvaret för förorenad mark
This master thesis encompasses an inventory and risk classification of four disused landfills within the municipality of Uppsala, Sweden. The model of the classification; ?Method of Surveying Contaminated Sites? is developed by the Environmental Protection Agency and can be used as a framework to investigate and describe the environmental damage and the level of risk for each object. The risk classification model has a rating from 1 to 4, where 1 represents a very high risk while 4 is a small risk. Risk class depends largely on the type of land use that exists on the object, and hence, various benchmarks must be taken into account.
Mozzarella : En djupdykning i ostmassan
Worldwide consumption of cheese has increased over the years. The average Swede consumes somewhere around 20 kilograms of cheese per year, which is an increase of a 100 % over the past 50 years. One of the most popular kinds of cheese during the past decades is mozzarella, due to its? use as pizza cheese. Flavor and consistency differ between the traditional kind, made out of buffalo?s milk, and the industrially made kind, made out of cow?s milk.
Från profit till ansvar, ett företags anpassning till verkligheten : en studie av användandet av ekologisk bomull inom H&M
In the last years people has become more aware of issues regarding corporate social responsibility. This has led to a more thorough control of big multinational companies, which are often held account of violating social, ethical and environmental values. The term most often used for this is corporate social responsibility (CSR). H&M is a Swedish multinational company and the concept of H&M is fashion to a low price. The material most often used in producing clothes is cotton.
New Business Model for District Heating Firms Stabilizing the National Energy System with a Future Variable Electricity Production
The aim of this thesis is to develop a new business model for district heating and cooling firms which can contribute to a stabilization of the Swedish national energy system. The business model is developed for a district heating and cooling firm and is exemplified with Fortum Heat. The theoretical investigation around the topic creates a rigid base for following qualitative empirical studies. Osterwalder?s canvas for business model generation is used together with a Casual Loop Diagram to identify a number of business opportunities which stabilizes the national energy system.
Beräkning av värmeenergiförluster i flerbostadshus genom analys av den totala fjärrvärmeenergianvändningen :
This thesis has been carried out on behalf of IV Produkt AB and intends to set an average ratio of thermal energy losses in apartment buildings that were built during the 1960-1990. This shall be derived by analyzing the total district energy consumption that has been divided into three parts: heat energy losses (the actual heating requirements), the heating of domestic hot water and heating energy consumption for the controlled ventilation.Three different residential areas that were built during the years 1962-1966 and one that was built in 1993 has been analyzed. All residential areas are located in Växjö urban and contains between four and six apartment buildings.The analyzed objects have a mechanical exhaust ventilation systems and district heating as the heating method. No own laboratory work or experiments have been done in this thesis, the calculations have been done on the basis of parameters from VEAB, interviews with property managers, and literature studies. By calculations, we have got a result that is reported in Chapter 6.
Stadens offentliga rum ur ett socialt hållbarhetsperspektiv - Jubileumsparken, ett offentligt rum för unga?
The public spaces of the city from a social sustainability perspective, Jubileumsparken, a public space for the young, aims to see how public spaces can be open and accessible to all young people in the community. New public spaces can be created and formed by urban planning. A public space that is undergoing considerable development is Jubileumsparken, which is situated in Gothenburg. This area constitutes the case study for this thesis. Due to the commercialization in the neo-liberal society of today, there is a risk that economically weak people, such as the young, the unemployed or students, can?t take part of all public spaces.
Foraging and anti-predation behavior of Thomson?s gazelles (Gazella thomsoni) and Grant?s gazelles (Gazella granti) at a waterhole
Prey species make behavioral decisions to reduce the perceived risk of predation and the time spent vulnerable to predation. Behavioral responses to predators are for example selection of specific habitat types and the presence of predators influence individual vigilance. Furthermore, there is a variation in feeding niches with different herbivores focusing their foraging effort on different vegetation types which is also expected to affect the choice of habitat. Behavioral data on anti-predation and foraging behavior at on waterhole is collected from Thomson?s and Grant?s gazelles at Ol Pejeta Conservancy (0°00?N, 36°56?E) located in semiarid bushed grassland in Laikipia district of central Kenya.
INVERKAN AV HAVSF?RSURNING P? PROTONERBARA ORGANISKA F?RORENINGARAS EKOTOXICITET
Resulting from anthropogenic carbon dioxide emissions, average surface seawater pH is estimated to decline from today's approximately 8.05 to between 7.78 and 8.03 towards 2100. For ionisable organic pollutants, changes in pH can lead to a change in the degree of ionisation, which could influence the ecotoxicity of a compound by altering its bioavailability. In this study, potential changes in ecotoxicity of ionisable organic compounds resulting from ocean acidification are examined. This is achieved partly by conducting a literature review, analysing existing literature that investigates this relationship. Potential changes are also evaluated by examining marine ecotoxicity data for ionisable organic compounds on the watch list pursuant to Directive 2008/105/EC of the European Parliament and of the Council, as well as on the list of priority substances according to the 2022 proposal for amending the Water Framework Directive (2000/60/EC).
Språklig dramatik vid Svansjön : Den spänningsskapande dialogen i Kristina Lugns Kvinnorna vid Svansjön
The drama of Kristina Lugn?s Kvinnorna vid Svansjön (The women by the Swan Lake) takes place in the dialogue and language; the same ambiguous language that is found in Lugn?s poetry. In this essay I examine how meaning and dramatic tension is created in the dialogue of Kvinnorna vid Svansjön.I describe the play, using concepts from various drama theories. However, the most important concepts of classical drama theory such as "story" and "plot" are not really applicable. This is because of the contradictory information given in the dialogue.
Vattenvård vid slutavverkning : före och efter vattenvårdsutbildning på Stora Enso Skog, distrikt Siljan
In 2006, Stora Enso Skog implemented an education program in water management for
harvester operators, timber purchasers, cut block planners and supervisors. The focus of the
program was creating stream crossings with minimal harm to the stream and the surrounding
riparian area. This main purpose of this study was to determine the difference in work
procedures before and after participating in the program. The methodology consisted of field
studies and interviews with harvester operators and their supervisors.
The field study looked at how the streams had been crossed concerning the number of
crossings, visible damage to the stream and/or the riparian area made by the machines.
Biological parameters such as the width and dept of the stream and amount of large woody
debris in the stream were also measured.
The field result from 30 harvesting sites showed no significant difference between sites that
had been harvested before or after the education program. But the harvester operators and
their supervisors experienced an increased concern for watersheds after the educational
program.