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567 Uppsatser om Pollution load - Sida 21 av 38

Giveaways: ett lyckosamt kommunikationsverktyg med etiska konsekvenser : en studie om Event Marketing och Giveaways

Consumers today seek added value to the ordinary products/services that companies are offering. Consumers must get their emotional need satisfied - a need for experiences worth remembering. At the same time, the consumers are engaged in ethics and morals. Companies use events frequently as a marketing approach to meet the customer?s demand of added value.

Strategier för bevarandet av natthimlens synlighet : en diskussion om motiv & åtgärdsförslag i ett antal internationella strategidokument

Ljusförorening är ett relativt modernt fenomen som allt mer påverkar tillgången till en stjärnklar natthimmel. Det finns en mängd olika internationella organisationer som arbetar för att minska ljusföroreningar och för att bevara natthimlens synlighet, bland andra International Dark-Sky Association, Royal Astronomical Society of Canada och Starlight Initiative. I den här uppsatsen undersöker jag ett antal strategiska dokument genom textanalys, för att analysera deras huvudsakliga motiv till förändringar och för att få en överblick över vilka sorters åtgärder som dessa organisationer föreslår. De analyserade dokumenten är Astrolabs Practical Guide for Lighting, Dark Sky Societys Guidelines for Good Exterior Lighting Plans, International Dark-Sky Associations Practical Guide, Royal Astronomical Society of Canadas Dark Sky Guidelines, Patersons Sark ? Dark Sky Island Lighting Management Plan, Flagstaff Dark Skies Coalitions Lighting Tips, Starlight Initiatives Defence of the Night Sky and the Right to Starlight och Narisda och Schreuders Light Pollution Handbook.

Frivilligt utbränd : En undersökning av arbetsmiljön för heltidare på Uppsalas studentnationer

Den här uppsatsen syftar till att undersöka de psykosociala påfrestningar som heltidsengagerade på studentnationer i Uppsala upplever i sitt arbete. Genom en kvalitativ datainsamling under sammanlagt åtta intervjuer med "heltidare" har deras arbetsmiljö kartlagts med fokus på arbetsmoment som de själva upplever som stressande eller påfrestande.Analysen har sedan skett med bakgrund av tre stressmodeller: krav-/kontroll, effort-/reward och allostatic load. Med stöd av tidigare forskning av Maslach & Leiter, Asplund och Thulin Skantze. Detta har givit en bred och heltäckande uppfattning av hur de psykosociala påfrestningarna påverkar respondenternas utifrån deras egna upplevelser av sin arbetsmiljö.Av de framkomna och analyserade resultaten har flera slutsatser uppkommit. Framför allt kan man konstatera att heltidare har ett i längden ohållbart tungt arbete sett till arbetstiderna.

Uppvärmning och miljöpåverkan : -en jämförelse mellan fjärrvärme och bergvärme i villa

Many of todays studies show that district heating is one of the betteralternatives as heating source because of its low environmental load.The energy source is often leftovers from other processes producing energy or waste, like garbage or chips.Electricity in combination with geothermal heating is another heating system that has increased sharply during the last years, and also this system decreases the discharges that have negative affectson the environment compared to several other heating methods.This report aims to, concentrated towards these two different heating systems, estimate the amounts of discharges they indirect cause and how the environment is affected.We have calculated the mean value for discharges of carbon dioxide, nitrogen oxide, sulphur oxide and dust generated from electrical power used in Sweden.Through interviews and research we have gained data for the same substances that district heating based on combustion of garbage and biofuel generates.We have also in cooperation with a housing company chosen a building we see representative for many of the new single-family houses built in Sweden today.Based on its shape and appearance we theoretically created three alternatives of the same house, each of them with climate screens different from each other.Together with the amounts of discharged environmental affecting substances, these houses were the base for our calculations and studies when investigating the different heating sources environmental effect.The results have thereafter been analyzed and discussed from different angles..

KONTROLLBERÄKNING AV ETT TAKRAS PÅ EN TENNISHALL I NYKÖPING : En jämförelse mellan Eurokod och BKR

?Boverket? the Design Regulations in Sweden, also called BKR has for a long timebeen the mandatory standard that has guided and regulated construction design. Butat the end of 2010 BKR was replaced with Eurocode. This report deals with thecomparison of these two standards when it comes to wood construction. Duringwinter 2009/2010 there were many roof collapses due to excessive loads on theroofs across Sweden.

ETL-processen : teori kontra praktik

AbstractNowadays, companies and organizations manage large amounts of data to be used as support in decision making. A good solution for data management is in the form of data warehouses. A data warehouse is used to gather information from multiple sources within a company and arrange the information in a way that makes it easy to retrieve and analyze. Designing a data warehouse is not a simple task. The study herein will focus on what a data warehouse is and how the ETL process is used for data storage in the data warehouse. ETL stands for Extract, Transform and Load and is the process that retrieves data, transforms it and finally loads it into the data warehouse.

Jakten på vårdplatser som inte finns : En kvalitativ intervjustudie

Bakgrund: Vårdplatserna på svenska sjukhus har minskat drastiskt det senaste decenniet.  Detta har inneburit en högre beläggning på de kvarvarande och medfört längre väntetid på landets akutmottagningar. Platsbristen skapar, ibland dagliga, överbeläggningar och utlokaliseringar av patienter.Syfte: Att undersöka hur sjuksköterskor och läkare upplever att vårdplatssituationen påverkar deras arbete och vad detta får för konsekvenser för patienterna.Metod: Kvalitativ design med semistrukturerade intervjuer med tre läkare och nio sjuksköterskor från akutvårdsavdelning med inriktning infektion, mottagning med akutintag och akutmottagning. Analysarbetet genomfördes med Malteruds (2009) innehållsanalys. Resultat: Vårdplatssituationen kommer sig av en brist på vårdplatser inom främst medicindivisionen, samt en oförmåga att hålla de platser som finns öppna på grund av sjuksköterskebrist. Bristen på vårdplatser har inneburit en oförmåga för läkare och sjuksköterskor att utföra sitt arbete i enlighet med sin kompetens och beprövad erfarenhet.Slutsats: Svårigheterna med att finna platser till patienterna på deras hemavdelningar samt de ständiga omflyttningarna av patienter medför svårigheter för vårdpersonalen att ge god medicinsk vård och omvårdnad vilket medför stora risker för patientsäkerheten.

Utmattning av järnvägsbroar i armerad betong : Enligt eurokoder

Commissioned for this report is Ramboll, Bridge and Tunnel Unit in Stockholm. Theidea throughout the work has been to primarily help bridge designers compilingadvice and instructions on how fatigue verification for railway bridges in reinforcedconcrete shall be performed under the new rules, the Eurocodes.After the introduction of the Eurocodes in 2011 has major problems emerged amongdesigners around Sweden. In some areas, it differs in the calculation rules comparedwith rules from the Swedish Transport Administration and the National Board ofHousing, Building and Planning calculation. Fatigue verification is one area where thenew calculation rules are different from the past.A large part of the report has been to interpret and find the relevant information inthe Eurocodes concerning fatigue. When questions or doubts have surfaced, this hasbeen discussed with Elisabeth Helsing at the Swedish Transport Administration andbridge designers at Ramboll.The result is a report where the structure is organized in the way that the bridgedesigners can move from cover to cover and realize that fatigue verification in realityfollows the same order as the report's sections.

Elektromagnetisk och mekanisk design av en 20MW turbogenerator

At the Division of Electricity at UppsalaUniversitythere are ongoing researches, including a research concerning turbo generators.Turbo generators produce a large share of electricity in the world; however they are costly mainly due to the fact that the cooling and ventilation that are needed to eliminate the excess heat from the generators are expensive. Turbo generators work with high efficiency and in this project, the main task is to simulate a generator while taking into account that the generator must be designed against self-oscillation, centrifugal force, exhaustion and heat. The turbo generator must be simulated without being too expensive and complicated.In this project, the dimensions of the turbo generator depend on the efficiency of it, and where the losses are in the generator. Furthermore, the optimum values need to be chosen with the help of the ACE simulation program. The report begins with an introduction describing the project followed by a task description that is dealing with the project.

Databaser i molnet : En prestanda utvärdering

AbstractAs a developer of database-driven applications you will be faced with difficult choices, when it comes to choosing database, server and programming language. For the result to be satisfactory it requires the different techniques to interact well with each other and also fulfill performance expectations. This is even more important when the application is deployed to the cloud and the response time plays a major role.This paper evaluates different databases and their performance. To test the databases there was an application made in the server script language PHP or Hypertext Preprocessor and it was deployed to Windows Azure cloud platform. The test applications task is to call and load databases by controlled requests which creates, reads, updates and deletes data in an relatively large extent.The results shows that locale databases or databases in the same data center as the server generates the fastest response.

Att leva med trycksår - en litteraturstudie om hur patienter med trycksår upplever det dagliga livet

Background: Pressure ulcer is a complication that arises often due to a lowered general condition. Pressure ulcer arise because of long term compressive load application. That?s why it?s of utmost importance as a nurse to work in preventive ways, as the pressure ulcer lead to physical, psychological and social consequences for the patient. Purpose: The purpose was to describe the patients experiences of living with pressure ulcer.

Beräkningsmall för vindlast enligt Eurokoder samt jämförelsestudie av  vindlastberäkningsmetoder

Detta examensarbete har genomförts i samarbete med byggteknikavdelning på Ramböll Sverige AB, i Norrköping/Linköping. På företaget finns ett behov av att förenkla arbetet med vindlastberäkningar för hallbyggnader enligt Eurokoden. Idag använder företaget en förenklad metod som överdimensionerar. För att kunna göra en mer exakt beräkning helt enligt Eurokoden och effektivisera arbetet har det i detta examensarbete skapats en beräkningsmall för detta ändamål. Beräkningsmallen har tagits fram i programmet Microsoft Excel.För att också kunna se konsekvenserna av att jobba med en förenklad metod, har det utförts en jämförelsestudie mellan två befintliga projekt på företaget.

Energisparläge i automationsindustrin : Potential för att minska tomgångsförluster med industriella styrsystem

Former studies have shown that a considerable part of industries? energy usage can stem from idle times in the production. This thesis, carried out at Siemens Industry sector, evaluates the potential for using the control system to automatically put machines into energy saving mode during idle times. The main part of the thesis consists of a case study performed on machine tools at a Scania production site in Södertälje. Through load measurements the potential for energy savings was determined.The results show that there is a great potential for energy savings during idle times at the site.

The legacy of the mill : a metal polluted forest soil in Gusum

Soils in a metal contaminated site on Stångberget in Gusum in southeastSweden were investigated and compared to relatively unaffected soils a fewkilometres away. Pollution came from historical release of untreated flue gasesfrom a brass mill. The objective was to find information on how high the metalconcentrations are, if metals from the polluted soil affect the surroundings andif the metal contamination affects the microbial community. The soil wasinvestigated using several different methods, such as field XRF measurements,chemical analysis of metal, carbon and nitrogen content, pH, acid neutralizingcapacity, texture, soil depth, field leach tests, sequential extraction and microbialfunctional profiles. The study showed that copper and zinc concentrationswere above Swedish Environmental Protection Agency guidelines for lesssensitive land use on the entire investigated area.

Nätmobbning Om relationen mellan traditionell mobbning och nätmobbning i grundskolan

This study investigates the relation between cyberbullying and traditional bullying (in school). In previous research it has been argued that one should separate cyberbullying and traditional bullying both in definitional and measurements issues. However, in Swedish school, there are no marked differences between the two forms of bullying, teachers are responsible to prevent them both. The research is based on 3925 students in years 3-9 (1950 girls and 1975 boys) in 19 schools in the Gothenburg region and two from the Stockholm region. The students have taken a digital survey at school, regarding both traditional and cyber bullying.

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