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The white light LEDs of today are usually based on a blue LED and a phosphor, converting the blue light to longer wavelengths. While these phosphor-converted LEDs are extremely efficient compared to incandescent light or fluorescent light, there is still plenty of room for improvement. In the conversion between blue light and light of lower energy approximately 25-45 % of the radiant power is lost
With sustainability at the forefront of many cities’ urban development plans, it is possible that sustainable polices are targeted to attract a certain group of inhabitants. Malmö, Sweden, has implemented changes in order to gain international recognition as a green city but has also been experiencing growing residential segregation. The presence of urban greening projects is a keystone to human h
Bakgrund: Preoperativ oro och ångest kan ha negativa konsekvenser på det perioperativa förloppet. Förutom ökat lidande, kan det öka behovet av anestesiologiska läkemedel, förekomst av postoperativ smärta och illamående samt ge förlängd vårdtid. Syfte: Att belysa patienters upplevelser av oro och ångest inför generell anestesi. Metod: En litteraturöversikt med 14 kvalitativa studier analyserade i e
This thesis examines some of the multiple variations of the previously established Rules of Thumb; which are used in attempting to explain implied volatility sur- faces. Here, these Rules are extensively tested on the Swedish stock market index (OMXS30) using rolling window analysis and linear stepwise regressions with for- ward selection. Data is collected on options at four different maturities
Increasing waste generation levels are presenting a multitude of issues from both low and high- income countries around the world. High levels of greenhouse gas emissions, water contamination and ecosystem endangerment are all concerns that are exacerbated by improper management of waste. Major shifts in the waste management sector are necessary in order to tackle these issues sustainably and for
Syfte: Syftet med studien är att undersöka vilka attityder, utmaningar och möjligheter det finns i branschen gällande förändringsarbetet vid implementering och användandet av ett nytt digitalt arbetssätt. Studien lägger fokus på förändringen av en given process från manuellt skriven pappersföljesedel till digital följesedel för leverantörer av transporttjänster samt åkerier. Frågeställningar: 1.
Bakgrund: Ungefär 90% av patienterna som genomgår anestesi utvecklar atelektaser. Atelektaser kan i sin tur ge upphov till inflammatoriska processer som postoperativt kan leda till lungkomplikationer. Syfte: Syftet var att beskriva vilka av metoderna preoxygenering, PEEP, CPAP, lungrekrytering och låga tidalvolymer som är mest effektiva för att minska förekomsten av atelektaser hos vuxna som genom
Over the last years, concerns have been expressed by the media and scientific literature about baile funk and Brazilian funk in general. Brazilian funk is a rebellious Brazilian music style which rose from the favelas from the 1980s onwards. Baile funk refers to funk dance parties which have a violent and aggressively sexualized nature. It is regarded as an expressive cultural phenomenon and it is
Recently, engagement and communication have started to be researched from a coworker-perspective. Yet, this study problematizes that most research in strategic communication and employee engagement still takes a managerial perspective and lacks critical and complex assessments. This case study therefore aims to analyze coworkers' perceptions of their communicative roles as team members, co-lea
The aim of this study is to contribute to previous research on the use of Prospective Payment Systems (PPS) based on Diagnosis Related Groups (DRG) in Sweden with an extended evaluation of variation in the utilisation of the system on recent data. This study looks specifically at within county financing and the role the system has played on the performance and behaviour of Swedish hospitals in reg
The continuous and on-going enclosure of the commons has been identified as critical for the expansion of capitalism, through processes of dispossession, expropriation and commodification. In the light of the rapid erosion of our cultural and environmental common pool resources, the concept of the commons is increasingly gaining interest, since it presents new political and cultural perspectives a
The student group is an emerging target with high potential for both the service industry and municipalities. However, previous studies scrutinizing this segment have been limited despite its significance. The aim of this study is to provide a deeper understanding of how domestic and international students perceive Helsingborg city and to offer insight into the key factors influencing students’ pe
Pornografiskt material är idag mer etablerat och tillgängligt än någonsin. Hur den ökade förekomsten, spridningen och konsumtionen av pornografi påverkar ungdomar präglas av såväl olika åsikter som forskningsresultat. Med frågeställningen “Hur arbetar sexologer i sin profession med ungdomar/unga vuxna i frågor som rör pornografi?” var syftet med den här uppsatsen att utforska hur professionella up
The aim of this study was to explore how student’s alcohol consumption looks in different environments. The aim was also to explore if there was a connection between student’s alcohol consumption and environment´s indicators. The method used in this study was of a quantitative nature and the data was collected through surveys. The surveys were given out in six lessons and 279 students participated
This master thesis was performed in collaboration with Najell AB with the purpose to improve their product, the SleepCarrier. The SleepCarrier can be used as a baby nest, a play mat and a soft carry cot. With the additional harness, the product can also be used as a baby carrier. The main focus of this project was to improve the user experience of the harness by focusing on ergonomics and intuitiv
The purpose of this study was to examine how residential care staff, comprehend and address sexuality among people with intellectual disabilities through communication and action. This study was performed with a qualitative method and seven semi-structured interviews was carried out with staff from different disability homes in Skåne. The interviews were transcribed, and analyzed according to cent
The objective of this essay was to obtain a more insightful understanding regarding how social workers, within the field of social assistance, conducted their evaluations utilising the Swedish concept of “skälig levnadsnivå”, or when translated to english “a reasonable standard of living”. The methodology implemented in the study involved semi-structured interviews with six social workers in vario
This paper investigates whether individuals who earn marginally above a minimum wage are experiencing spill-over effects as a result of its implementation, adjustment and existence. It focuses on Germany’s federal statutory minimum wage regime that was introduces in 2015 and later adjusted in 2017, through the experiences of individuals who earned 100% to 110% of the new wage floor in 2014. Using
Rangitoto är en vulkanö som ligger nordost om Auckland, Nya Zeeland, och tillhör Aucklands vulkaniska fält (AVF) som består av ca 50 utdöda monogenetiska vulkaner. Eftersom Rangitoto har egenskaper som skiljer sig från de andra vulkanerna i området tror man att området genomgått en förändring och gått in i en ny fas. Det var ca 500 år sedan Rangitoto senast hade utbrott och eftersom storstadsområdRangitoto is a volcanic island, located northeast of Auckland, New Zealand, and belongs to Auckland Volcanic field (AVF), which consists of c. 50 extinct monogenetic volcanoes. Since Rangitoto has characteristics that makes it different from the other volcanoes in the area, it is believed that the volcanic field has undergone a change and entered a new phase. Rangitoto had its latest eruption abou
