Search results

I jakten på förnyelsebara energikällor är solceller en av de mest lovande teknikerna. Idag dominerar kisel-solcellen marknaden men även den har begränsningar och därför är det motiverat att utveckla andra sorters solceller. En solcellsteknik på utvecklingsstadiet som försöker efterlikna fotosyntesen är Grätzelsolcellen. Precis som i fotosyntesen är det en färgämnesmolekyl i solcellen som ska absorIn the hunt for fossile-free energy-harvesting techniques, solar cells constitute one of the most promising techniques. Today, silicon-based solar cells are the dominant technique on the market but even the Silicon solar cell has limitations which means that there is a motivation for developing new solutions. One of those techniques is the dye-sensitized solar cell. Just as in photosynthesis, the

Målet med denna masteruppsats var att designa och implementera funktionalitet i Grades plattform som hjälper slutanvändarna att känna sig mer engagerade. En process baserad på litteraturgenomgång, konkurrentanalys och designiterationer resulterade i en lösning som integrerade två välkända gamificationkoncept; poängtavlor och utmärkelser. Litteraturgenomgången gav författarna en modell över hur gaThe goal of this master’s thesis was to design and implement gamification features into Grade’s platform in a way that will enable the end users to feel more engaged. A process based on literature research, competitor analysis and design iterations allowed for a solution that integrated two well-known gamification concepts; leaderboards and badges. The literature research provided the authors wit

Sammanfattning Examensarbetets titel: Har hållbarhetslagen förbättrat företagens hållbarhetsrapporter? - En jämförelse av kvaliteten på hållbarhetsrapporter innan och efter införandet av obligatorisk hållbarhetsrapportering Seminariedatum: 17 januari 2020 Ämne/kurs: FEKH69, Examensarbete i redovisning på kandidatnivå, 15 högskolepoäng. Författare: Erika Larsson och Sara Palmér Handledare: RolfAbstract Title: Has mandatory regulation improved Swedish companies’ sustainability reports? - A comparison of sustainability reports before and after the implementation of mandatory disclosure. Seminar date: January 17th 2020 Course: FEKH69, Degree Project Undergraduate level, Business Administration, Undergraduate level, 15 University Credits Points (UPC) or (ECTS‐cr) Authors: Erika Larsson and

The aim of this study has been to explore social workers negotiations and meaning making on heterosexual norms, in order to understand possibilities on how to change these norms within the social services. The study consists of material from two different municipalities which both has participated in a project on heterosexual norms. Both municipalities have had a group of seven people discussing i

Motivated by the increasing importance of today’s environmental issues as well as by the increasing concerns related to energy use, the study is intended to perform an energy intensity decomposition in order to analyze the effects of structural and technical changes on the energy patterns and in specific on the energy intensity of ten major developing countries in Asia and in Latin America. The ma

Problem The procurement of a complete factory, including the design, manufacturing and installation, is a common way for automotive producers when acquiring new production equipment for new models. Due to the long lead times of a procurement process, the process has to commence well before the finalisation of the design of the car to be built. This makes the formulation of requirements very comple

Research questions: How will price altering affect sales volume for IKEA of Sweden Business Area 10’s products? Is it possible to estimate the products’ price elasticities? If so, what data is sufficient and how can these parameters contribute to future pricing procedures at BA10? What product properties are necessary in order to retain a reliable analysis? In which way are sales volumes influence

This paper presents a low voltage continuous-time delta-sigma modulator (DSM) intended for the receiver of an ultra-low-power radio. The DSM features a 2nd-order loop filter implemented with a single operational amplifier to reduce the power consumption. Furthermore, a 4-bit quantizer is used to achieve high resolution while keeping the sampling frequency low. The quantizer is realized using the s

This Feature Article provides an overview of the progress made over the last few years in the design of diblock copolymer micelles based on crystallization-driven self-assembly (CDSA) towards the development of novel and fascinating morphologies with crystalline-cores. Here, we describe the different approaches employed in order to engineer a large variety of semicrystalline micellar architectures

If things go as planned, the EU will have two new member states in January 2007: Bulgaria and Romania. They were excluded from the 2004 enlargement because they were simply lagging behind the other candidates and would not have been able to meet the conditionality. The Copenhagen conditions consist of a political, an economic, and an administrative criteria that need to be fulfilled in order to ga

In this essay the subjects of city development and governance are studied in a context of democracy. The empirical cases for this study are two city development projects in the city of Helsingborg, Sweden. The two projects are studied with a focus on governance and democracy. The analysis shows that increased competition between cities have led to a situation where many cities use governance relat

Why has there been a spate of debate and discussion on the matter pertaining to protection of names such as Champagne, Havana, Tequila, Basmati, and Darjeeling etc.? What are geographical indications and why does any dialogue at the international level on the issue result in a political and legal dead end? The aim of this research paper has not only been to follow these debates but also to analyse

The research network "Basic Concepts for Convection Parameterization in Weather Forecast and Climate Models" was organized with European funding (COST Action E50905) for the period of 2010-2014. Its extensive brainstorming suggests how the subgrid-scale parameterization problem in atmospheric modeling, especially for convection, can be examined and developed from the point of view of a robust theo

There exists an increasing demand for cost and time efficient cutting tests for describing the performance of different combinations of cutting tools and workpiece materials in the cutting process both in industry and academia. Cutting tools are expected to withstand the heat and the pressure developed during the machining of difficult to machine materials such as Ti6Al4V. This article introduces

This paper presents a 3rd-order, 3-bit continuous-time (CT) \Updelta\Upsigma Δ Σ modulator for an LTE radio receiver. A return-to-zero (RZ) pulse, centered in the sampling period by a quadrature clock, is used in the innermost DAC to reduce the sensitivity to loop-delay variations in the modulator, and omit implementing the additional loop delay compensation usually needed in CT modulators. The pe

Abstract Hydrogen as an alternative energy carrier has been up for discussion over decades. Perhaps this time, however, the political momentum and global technical context could be advantageous enough for the hydrogen economy to finally materialize. Despite investments from the EU commission up to €470 billion in renewable hydrogen, there are economical challenges in the way of decarbonisation of

This paper investigates the efficacy of using various concentration strategies during musical performance in order to redirect the mind away from distracting thoughts and back to the present moment. I have recorded myself playing three different musical passages with four different mental focuses: physical sensations, technique, mental imagery, and internal singing. Throughout this research, I hav