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1194 Uppsatser om Nitrogen flow - Sida 60 av 80

Klimatförändringars påverkan på kulturmiljöer i Uppsala stad ur ett geovetenskapligt perspektiv

Cultural heritages are environments created by humans that are considered to have a conservation value for the posterity. They can be seen as one of society's non renewable resources. It is important to have knowledge of how cultural heritages are affected by future climate changes.The water flow in Uppsala is estimated to increase during winter and decrease during spring and summer. Precipitation will gradually increase as well as the intense short period precipitation. The average temperature is estimated to increase as well.

Analys av gåendes rörelsemönster på Stortorget, Nygatan och Drottninggatan i Gävle

The town square is an important public space and is often described as the city´s living room. By creating a lively city center a sense of security is developed among the citizens which makes them wanting to use the town square regardless the time of the day. One important meeting point in Gävle is the centrally located Stortorget, sited between Drottninggatan and Nygatan. The town square went through an extensive renovation followed by both positive and negative reactions among the City´s inhabitants.  The aim with the study was to investigate the main walking paths and meeting points as a planning support to Gävle Municipality in their work with a new city plan. By studying the pedestrian movement patterns at Stortorget, Nygatan and Drottninggatan, the main walking paths and meeting points during all hours of the day was obtained.

Rörsvetsning i konceptet Factory-in-a-Box

This Master of Science thesis was a part of Pharmadule Emtungas project to construct a mobile automated cell for welding of carbon steel pipe (Heating, Ventilation and Sanitation). Pharmadule Emtunga is using a modular building concept for building pharmaceutical factories. The modules contain these pipes. The goal of the thesis was to present concepts for technical solutions regarding welding methods and fixtures for the cell. Conceptual models for the cell were made with aid of CAD software.

Vad påverkar en aktieanalystillförlitlighet? : En kvantitativ studie om relationen mellan tillförlitligheteni en aktieanalys och dess innehåll.

A debate in finance is whether a random investment gives the same return as carefully choose and valuing an amount of shares to invest in. Stock valuating Stock valuation is often done by fundamental valuation models, based on the company's underlying character, which tries to put a correct price on the stock. Today there are several different valuation models that can be used for this purpose. Since valuation models are only mathematical, equity research is underpinned by more subjective assessments about the company and its future.The purpose with this thesis is to describe which valuation models that are used by professional stock analysts, but also to see if the reliability on the equity research is affected by the used model to valuing the company. Furthermore, we want to see if the job that?s been done to understand the company, measured by the equity research quality, impact the reliability on the equity research.In this thesis, we have, to achieve our purpose, conducted a quantitative content analysis of 164 equity research done by professional analysts at firms listed on the Stockholm Stock Exchange. With basis in previous research, we have developed a method for determining the valuation model that is used in the equity research, the reliability on the equity research and a framework for assessing the quality of the equity research.In the theoretical framework the valuation models involved in our study are described, previous research on the reliability on the equity research and their practical use.

Ledarskap på en reklambyrå : Konsten att främja kreativa processer

Uppsatsens syfte är att presentera ett synsätt över hur ledaren kan främja kreativa processer på reklambyråer. För att skapa detta synsätt behöver förståelsen om kreativa processer i en reklambyrå ökas. Studien utgår från att kreativa processer föranleder kreativ reklam. Vi vill understryka att vi både har ett teoretiskt och ett praktiskt syfte.Metoden är en kvalitativ mikroetnografisk studie. Uppsatsens empiriska insamling består av cirka 100 timmar observationer på en reklambyrå följt av fem kvalitativa djupintervjuer på samma byrå.

Aktivering av trafiksäkerhetskameror : En studie av kameraaktiveringens effekter på fordonshastigheter i Sverige

During 2006 an estimated number of 150 persons are supposed to have been killed in road accidents caused by speed limit violations. Through Automatic traffic security control (ATK) the Swedish road administration (Vägverket) is working towards lowering the number of speed related accidents. By placing the speed cameras on roads they've managed to lower the average speed at those places. The enlargement of the number of speed cameras is based upon knowledge about for example how high the risk is for speed related accidents on the roads. The speed cameras always measure the speed in which every vehicle passes, but aren't constantly activated to register speed violations.

Mätning av implementeringen av lean inom sjukvård

The purpose of this thesis is to discuss how an instrument originally developed for measuring changes toward lean thinking inservice organizations in general should be adjusted in order to be of use in service organizations within the healthcare sector, andin hospital organizations in specific. The adjustments are suggested based on difficulties specifically arising when implementinglean within the healthcare sector.Thesis starting point is a pre-existing lean assessment instrument developed for service organizations in general. The thesis appliesa qualitative method and integrates literature from the health care sector and lean production movement with the expertise of tenacademics and practitioners in order to find difficulties associated with the implementation of lean within the healthcare sector.These difficulties then lie as the substratum for the adjustments suggested to be made on the instrument.The thesis finds that lean, as a philosophy, does not differ between service organizations in general and service organizationswithin healthcare settings. However, due to deficits in the general understanding of lean some adaptions on the instrument mustbe made. First, some words associated with production must be changed to words associated with healthcare.

Value Stream Mapping över brevets väg i Uppsamlingsprocessen : En fallstudie på Postens brevterminal i Alvesta

Background: The demand for sending letters, in the traditional aspect, has decreased because of electronic sources which have replaced a big part of letter communication. The Postal Service constantly strives for lowering costs and due to the changeable demand, a greater awareness is required regarding recourses and their usage. The previously mentioned measures in combination with commonly occurring quality issues during the collective process at the letter terminal in Alvesta would be improved by applying a lean-perspective to the process. A first step towards saving of time is to apply the ?value stream mapping?-method on the collective process for small and large letters.Purpose: To map the process of collection for small and large letters to be able to identify waste of recourses and furthermore give suggestions on how the Postal Service would be able to reduce the waste of recourses identified.

Genom statistisk analys utvärdera geometriska parametrars påverkan på ett XPI- cylinderhuvuds snurrtal

This Master Thesis is a product development project that has been carried out in cooperation with Scania CV AB. The purpose has been to find the relationship between geometric parameters and the swirl number for an XPI- cylinder head in order to improve the design specification.The increased focus on environmental issues from society leads to tighter emission legislations for the truck manufactures. In order to drive the development forward considerable resources are spent on research and development on diesel engines and its combustion process. The inlet air has a significant impact on the formation of emissions and the flow that is desired is called swirl. Swirl is achieved by making the air rotate around the vertical axis of the cylinder.Earlier cylinder heads that has been developed at Scania CV AB have shown clear relationships between geometric parameters of the cylinder head and the swirl number.

Butikslayout- mer än bara estetik

The purpose of this study was to investigate the connection between store layout and how it affects us as shoppers. We formed our research questions based on literature. The study was based on observations of shoppers without their knowing they were observed. We didn?t tell shoppers since the science of shopping says that shoppers pattern of movement is something that?s subconscious and if the shoppers had known it would have affected the result of the study.

Värmeöverföring i bergvärmesystem : En numerisk analys av den ringformade koaxiala borrhålsvärmeväxlaren

The borehole heat exchangers of today suffer from poor thermal and hydrodynamic performance. The purpose of this thesis is to improve the performance of ground source heat pump systems and thermal energy storages by increasing the energy efficiency of the borehole heat exchangers. For this reason, the annular coaxial borehole heat exchanger (CBHE) has been analyzed. This type of heat exchanger is interesting in terms of both thermal and hydrodynamic performance. A model has been set up in the program Comsol Multiphysics in order to investigate the heat transfer characteristics along the borehole.

Hållbar utveckling i förskolan, med fokus på återanvändning

Syftet med examensarbetet var att undersöka hur förskolor arbetar med hållbar utveckling i förskolan. Studien har utförts med strävansmålen inom området naturvetenskap och lärande från förskolans läroplan (Lpfö 98, rev. 2010) som bakgrund. Genom intervjuer med pedagoger har vi studerat hur olika förskolor arbetar med hållbar utveckling. Genom observationer med barn, där vi har varit deltagande genom att utföra två olika experiment, har vi tagit del av barnens kunskaper och tankar kring återvinning och återanvändning.

Produktion av Pyrolysolja från kvistrejekt

Fast pyrolysis is a method for converting biomass into three energy rich products: char, gas and bio-oil, where the latter is most interesting.  Pyrolysis is an endothermic process where biomass is heated in an anaerobic environment and, with the right operating conditions, up to 80 %wt bio-oil can be extracted. Key parameters for fast pyrolysis are: stable reactor temperature (~500°C), short residue time for gas in the reactor (<2 s) and a very high heating rate for the biomass. Today there are several different process solutions for fast pyrolysis, where fluidized beds and rotating cones are most developed. Bio-oil has compared to fossil oil: lower heating value, low pH and also polymerizes with time. Because of this upgrading is desirable for increasing competitiveness.

Migration losses of Atlantic salmon (Salmo salar L.) smolts at a hydropower station area in River Åbyälven, Northern Sweden : passage fates at a reservoir, a power house and a bypass structure

A large number of rivers in northern Sweden have hydropower developments that cause negative effects on both up- and downstream migrations of anadromous species like Atlantic salmon. So far, most attention has focused on the hindrances of adult fish during their upstream spawning migration. However, since turbines in power stations cause losses on downstream passing fish, the focus on negative effects on smolts has increased. The aim of this study was to compare three different causes of losses of salmon smolts passing downstream through a power station area in the flow-controlled River Åbyälven in northern Sweden.A total of 61 wild salmon smolts were caught and radio-tagged in the River Åbyälven during their downstream migration in June 2009. The salmon smolts were released at three locations, 1.1 km upstream from the power station, in the turbine intake and in the upper part of a fishway, acting both for up- and downstream fish passage.

Kassaflödesanalys i mindre aktiebolag: En flerfallstudie inom träindustrin i norra Sverige

Alla aktiebolag är skyldiga att upprätta en årsredovisning. Beroende på bolagens storlek ställs olika krav på redovisning av kassaflödesanalys i den externa redovisningen. Kassaflödesanalys är en sammanställning av ett bolags kassaflöden indelat i olika kategorier. Den visar intjänade likvida medel, men även hur dessa har tillförts. Kassaflödesanalys är något som också kan användas i den interna styrningen av bolag för att få kontroll över kassaflöden och kunna prognostisera samt följa upp utfall.

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