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Natural rubber is a biopolymer that is invaluable in our society. It is used in medical devices, tires, engines and many other consumer products, and so far no synthetic substance has been able to compete with its properties. Today, all natural rubber comes from the rubber tree, mainly grown in southeast Asia. Due to current threats to the rubber industry, finding an alternative source for natural
Att planera lokal och regional kollektivtrafik i så kallade ’starka stråk’ – det vill säga att koncentrera infrastruktur och resurser till ett antal färre, men attraktivare stråk i en stad eller en region – är ett standardförfarande i samtida kollektivtrafikplanering. Så har inte alltid varit fallet dock. Denna avhandling visar hur organiseringen av beslutsfattande, planeringspraktiker och den rum
The Al-Mg phase diagram has been reinvestigated in the vicinity of the stability range of the Samson phase, β-Mg2Al3 (cF1168). For the composition Mg38.5Al61.5, this cubic phase, space group Fd3̄m (no 227), a = 28.242(1) Å, V = 22526(2) Å3, undergoes at 214°C a first-order phase transition to rhombohedral β′-Mg2Al3, (hR293), a = 19.968(1) Å, c = 48.9114(8) Å, V = 16889(2) Å3, (i.e. 22519 Å3 for th
Projektet Renässans 1.5 utgår ifrån det faktum att det i den traditionella produktutvecklingsprocessen normalt krävs flera iterationer i processens olika faser innan man kan nå en acceptabel kompromiss mellan estetiska krav och konstruktions- och tillverkningskrav. Den snabba utvecklingen inom optimeringsteknik och kunskapsbaserad konstruktion gör det möjligt att integrera ett datorbaserat formgivThe Renaissance 1.5 project was based on the observation that in traditional product development, several iterations are needed to obtain a compromise between engineering, manufacturing constraints and aesthetics. The rapid advances in optimisation methods and in knowledge-based engineering (KBE) make it possible to integrate engineering and manufacturing constraints in a computer-based industrial
Philosophers have stressed the need to distinguish between explanatory (motivating) reasons and justifying (good) reasons. The distinction is often illustrated with an example of someone doing something that is intended to appear at the outset as incomprehensible. The next step is then to add some further details about the agent — typically some information about his or her beliefs and desires — p
While traditionally treated separately, the research disciplines dealing with electromagnetic fields respectively continuum mechanics are naturally connected. Not only are the basic equations formulated in a similar way, but the presence of electromagnetic fields affect the balance equations of continuum mechanics and likewise, the presence of material continua affect the electromagnetic fields
Systematic rape of women in wartime is an ancient issue. For centuries, rape was seen as an inevitable by-product of war and it is not until recently that the international community has recognized rape as a weapon of war. There are several reasons for the systematic use of rape in times of conflict and this thesis will provide some of the most generally received theories. The International Crim
To live the life you want to live – A studie about how refugees perceive local welfare authorities interventions in relation to the life they want to live. The aim of this study is to analyze how refugees perceive the Swedish welfare authorities intervention in relation to the life they want to live. We used Amartya Sens Capability approach to analyze what intervention measures refugees consider
The purpose of this study was to examine young persons' experiences of life with ADHD. Semi structured interviews were done with four boys age 14-18 years, diagnosed with ADHD. The interviews followed a guide that consisted of themes with questions. The themes examined were: diagnosis, school, home, social and personal issues and how these themes are connected to ADHD. The results indicate tha
Proteoglycans consist of a protein core with one or more covalently attached glycosaminoglycan (GAG) side chains and have multiple roles in the initiation and progression of atherosclerosis. Here we discuss the potential and known functions of a group of small leucine-rich repeat proteoglycans (SLRPs) in atherosclerosis. We focus on five SLRPs, decorin, biglycan, lumican, fibromodulin and PRELP, b
The ongoing conflict and the impact of Russia–Ukraine war pose significant challenges to various sectors, including the agri-food industry. The agricultural industry serves as a backbone for many world economies, contributing significantly to their gross domestic product. The continuing war and shifting economic environment have greatly affected grain production, encompassing crops like wheat, mai
