Context. Performance and resource usage is often an important factor for database driven services. Depending on the purpose of the application, choosing the wrong type of database may require unnecessary hardware upgrades or replacements. Objectives. This study investigates the differences in performance and resource usage between different SQL- and NoSQL-databases. The study is a comparison that focuses on how the databases perform in different applications.

The dependency of continuous electricity supply is high in the Swedish society today, at the same time no one is willing to pay for a too costly or over dimensioned power distribution system. The owners of the distribution systems are the ones responsible for this balance act of maintaining a high quality of electricity delivery to customers at a reasonable cost.In this master thesis a limited part of the primary distribution system (10 kV), owned by Mälarenergi Elnät AB and located in the city centre of Västerås, was chosen for a deeper analysis of its reliability. Its ability to handle outages of system components (N-1 and N-2 contingency analysis) was investigated to find out potential weak spots and parts of the grid that showed signs of being overdimensioned.The results of the performed simulations showed that in 74 % of the studied N-1 contingencies cases, consisting of outages of a bus bar in a distribution substation, the system could handle this without causing outages in other parts of the grid. For the N-2 contingencies 61 % passed the test. It was also found that one of the two included high voltage substations could alone supply the investigated part of the grid.

Problem: How do delivery logistics work in practice at the building site? Where are the big problems? How to make building logistics more effective? Do the site management and the haulers agree about questions concerning both parties? What is possible to gain by using better logistics? Is it possible to gain time with better logistics and by that reducing the costs? Purpose and aim: The purpose is to discover if there are any disagreements between the site management and the haulers. If disagreements occur they will be examined and probable measures based on the problems will be suggested. Another intention is to bring key ratios concerning time spent for deliveries forward. One aim is to update a similar report made in 1972.

SecRePac is a household appliance that simplifies sorting of packaging such as milk, juice and yogurt containers. By shredding the packages SecRePac reduces its volume uptake both in the home and at the recycling station. This leads to minimization of both transports to the recycling stations and truck transport for emptying the containers at the recycling station.The greenhouse effect deteriorates and becomes worse and worse leading to extreme climate changes and natural disasters such as floods as an example. Carbon dioxide emissions are the major reason for this and at least 30 percent of all these emissions come directly from transports. In the EU carbon emissions has decreased in the past few years.

Sweden needs a policy that stimulates economic growth. Year 1996 the Business Reorganization Act (1996:764) came into force. The goal with this law was to savebusiness, make it profitable and avoid unnecessary bankruptcies. Shortly afterwards itturned out that the law had no positive effect. A very few numbers of companies appliedfor reconstruction and the number of applications for bankruptcies continued to increase.In 2004, in order to stabilize the situation and bring about neutrality between twoproceedings, company reorganization and bankruptcy, the government proposed thereform of priority rules.

    Abstract The aim of this paper is to highlight experiences gained by psychotherapists in their work with young adults.  Aspects looked at include: recurring themes, the process of diagnosing young adults, the therapeutic alliance, and the therapeutic techniques.  Six experienced psychodynamic therapists were interviewed, and a semi-structured interview method was used. The results show a high level of agreement between the therapists as to their experiences and conclusions of psychotherapy with young adults.Results presented in this paper suggest that there is a difference between psychodynamic therapy used with young adults, and the more traditional psychodynamic therapy.  The most important difference turned out to be the approach of the therapist toward the patient, where a more active and distinct approach by the therapist to the here-and-now situation was to be preferred. All six therapists came out strongly against the use of the DSM manual when diagnosing young adults. The importance of understanding young adults and their difficulties from a psychological development point of view was stressed, as well as the importance of taking the approach that the years of young adulthood bring their own issues and concerns. It is clear from these interviews that there is a strong need for the establishment of institutions or centres specifically tailored to meet the needs of young adults for psychotherapeutic treatment at an early stage and in an adequate way, in order to avoid unnecessary ?pathologising? of their specific problems.  .

The austenitic stainless steel 316L has been compared to duplex stainless steels to be able to highlight a choice of material for manufacturing of spare tanks used for cooling water at nuclear power stations on the Swedish west coast. In this report 316L and the duplex stainless steels 2205, 2304 and LDX 2404 have been compared according to corrosion resistance, strength, manufacturing aspects and prices. The steels arranged by increasing corrosion resistance: 316L < 2304 < LDX 2404 < 2205. The steels arranged by increasing strength (considering the thickness of the plates needed for construction): 316L < 2304 < LDX 2404 and 2205. The steels arranged by increasing price/tank: 2304 < LDX 2404 < 2205 < 316L.

Energy efficiency is today more important than ever, mainly due to the high energy prices and the approaching climate changes. Heating of buildings is an essential area within energy efficiency. Many buildings are old and were built at a time when the energy prices were low and the term ?energy efficiency? was unheard of. By applying today?s broad range of energy saving actions on these old, and thereby often, heating ineffective buildings, this area has a large potential in reducing energy consumption and costs.Churches and chapels are generally old buildings with, in many cases, ineffective heating systems and therefore consume much more energy than needed.

Background: The increasing competition on the market demand both companies and supply chains to find optimal solutions. The edeavour to reduce inventory levels is a part of this. Earlier, inventory was seen upon as valuable assets, but today they tend to be more and more negative in the eyes of the companies. Inventory demands capital, handling, and space. Therefore inventory creates unnecessary costs.

The aim of this study has been to, through a couple of chosen theories, examine in what way Japan as a nation can be said to have dealt with its dark past - concerning their crimes of war just before and during World War II. To do so, I have placed two chosen war crimes, namely the Nanjing Massacre and the matter of the Comfort Women, in the context of remembrance and commemorating of war, through different kinds of aspects. Those aspects are: the textbook conflict, official apologies, ruthless/unnecessary comments, and visits and commemorations at the Yasukuni shrine.I have found during this study that the nation of Japan has not been able to generate a broadly accepted dominant cultural memory of the war. Henceforth a couple of rival cultural memories are competing and becoming an issue of national division rather than national unity. I have come to the knowledge that there are both domestic and international political factors at play, resulting in this division..

Swedish migration law states that a person who wants to seek a residence permit based on family ties has to apply from the home country. This essay applies to cases when families that live in Sweden have to come apart when one parent has to return to the home country to seek a permit to which he or she is entitled.The rule causes families unnecessary suffering. This essay analyzes the reasons behind the rule and argues that it is compatible neither with Swedish policy of children's rights and gender equality nor with the international conventions that have been ratified.Furthermore, it is investigated whether the migration authorities act in compli-ance with the intentions behind the law. It is concluded that the Migration Board, despite their own critique of the rule, makes an unnecessarily restrictive interpre-tation. This results in a situation where no one takes responsibility for the conse-quences for the affected families.

At ABB LV Motors in Västerås the shaft is assembled into the rotor with a shrink fit. After athorough investigation of the assembly method, several factors that make the insertion of theshaft more difficult has been discovered. Some affect the assembly directly while others onlyhave an indirect influence. The investigation has shown that the radial play between the shaftsouter radius and the rotors inner radius might be too small which could lead to anunsuccessful assembly. For the larger rotors, the condition is the opposite, and the rotor mightmove compared to the shaft direct after the assembly when the rotor still is warm.

The company Microshop is interested in implementing new features in their product-website, and would like to examine the possibility and usefulness of introducing such functionality. When designing interaction for commercial websites, it is important to make the menus easy to use, and refrain from using deep hierarchies in order to avoid causing unnecessary burden for the users. There is an interest among users for adaptive functionality, but this requires great amounts of trust in the website from the user. Something which can be created by refraining from using implicit information, and provide detailed explanations throughout the website. A usability test was conducted in order to complement the data gathered from the theoretical study, the interviews and the expert evaluations.

Uppsatsen innehåller en studie av hur etiska regler, vilka framför allt återfinns inom advokatyrket, påverkar konkurrensen och de konflikter som uppstår mellan de svenska och europeiska konkurrensreglerna och dessa etiska regler. Mer specfikt identifieras vilka konkurrenshämmande effekter dessa regler medför, och vilka alternativ som finns för att kombinera etiska regler och konkurrensregler på ett sådant sätt att minsta möjliga skada uppstår för konsumenterna av advokattjänster. Resultatet av uppsatsen är att vissa etiska regler bör elimineras eller modifieras, eftersom de påverkar marknaden på ett negativt sätt utan att medföra motsvarande vinster annorstädes. The essay contains a studie on how ethical rules, here represented by the rules for the law profession, influence the competition. Furthermore are the conflicts that appear between the ethical rules and the Swedish and European competition rules identified and analysed.

Background: Pain can be a constant problem in many older people's daily life, associated with particular physical and social disability, depression and poor quality of life. Dementia diseases are often associated with old age. Communication difficulties are one of the consequences of the disease, which clarifies the role of nursing staff in detecting and assessing pain. Objective: The aim was to compile knowledge about how nursing staff can identify pain in people with dementia. Method: A systematic literature review, where data were collected through manual and database searches.