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Polymer electrolyte fuel cells (PEFCs) have shown a great potential to be used in several applications, e.g., portable, mobile and stationary systems. Each of the mentioned applications demands from PEFCs different operating conditions to perform in the best possible manner. Knowing in detail the behavior of their internal components will help to improve the mechanical and thermal properties of th
In the search for risk factors involved in the etiology of lymphoproliferative malignancies there is still inconsistent evidence regarding effects of smoking tobacco, and the role of smokeless tobacco is poorly investigated. New evidence indicates that excess body weight increases the risk of NHL and HD. To determine if tobacco use of various forms and high Body Mass Index (BMI) affect the occurre
The bioelectrocatalytic function of two plant peroxidases, horseradish peroxidase (HRP) and a newly purified royal palm tree-leaf peroxidase (RPTP), was studied on graphite electrodes in aqueous buffer solutions, over the pH range 7.0 - 3.0, and in aqueous buffer solutions, at pH 6.0, containing different amounts of a polar organic cosolvent, i.e., ethanol and acetonitrile. The kinetics of direct
Background: There are at least three broad conceptual models for the impact of the social environment on adult disease: the critical period, social mobility, and cumulative life course models. Several studies have shown an association between each of these models and mortality. However, few studies have investigated the importance of the different models within the same setting and none has been p
The attitude of teachers towards students can vary substantially in relation to different factors, such as educational background, pedagogical training, teaching methods, etc. In this paper, we explore the impact of negative role-models on future teaching. In particular, past experiences of teachers as students as well as the contextual influence of other teachers on their future teaching has been
OBJECTIVES: Depression can negatively impact work capacity, but treatment effects on sick leave and employment are unclear. This study evaluates if internet-based cognitive behavioural therapy (ICBT) or physical exercise (PE), with already reported positive effects on clinical outcome and short-term work ability, has better effects on employment, sick leave and long-term work ability compared with
In regard to the energy sector, it is generally presumed that in post-Lisbon era and since the adoption of Third Energy Package the Member States and institutions of the Union act in a shared format. However, by developing new legislation in the field, supra-national institutions tend to shift the competence away from shared (as it currently stands). Even if the guidelines for decisions granting e
Background and objectives Baonaise is a novel plant-based savoury sauce. Baonaise sauce base (BSB) is produced from baobab fruit pulp. Creaming and phase separation were observed in Baonasie from previous studies at the company. In this study, concentration, temperature and type of oil, speed and time of mixing were studied to investigate the factors influencing the physical stability of baobab p
Background and objectives Baonaise is a novel plant-based savoury sauce. Baonaise sauce base (BSB) is produced from baobab fruit pulp. Creaming and phase separation were observed in Baonasie from previous studies at the company. In this study, concentration, temperature and type of oil, speed and time of mixing were studied to investigate the factors influencing the physical stability of baobab p
At present, in potato starch industries, not only starch is extracted from the process but even proteins and fibers are recovered as they are economically valuable. Unfortunately, the process used for protein recovery can only partially recover protein from the potato fruit juice (PJ), while the reaming PJ is concentrated using an evaporator and is later on used as fertilizers. Potato starch indus
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The purpose of this essay is to describe and analyze experiences of how the daily rounds and a persons role is changing when you go from being a family member to being a family member as well as being a kinship carer. Essential questions at issue was: - Which feelings are associated to the roll as kinship carer? - What are the motivations for the relative/family member to become a kinship carer
The aim of this qualitative study was to investigate the social identity of students at upper secondary school for physically disabled students. The youths I drew my attention to suffered from severe physical disabilities and therefore received specially adapted education in small classes, but integrated at an ordinary upper secondary school. By "social identity" I mean how the students
The main purpose of the thesis was to investigate if mothers of girls with Asperger syndrome/high-functioning autism experienced the same stressors regardless of society and culture or in which way the stressors might differ. A special purpose of the thesis was to investigate if the society by different types of support could relieve stress and eliminate or reduce stressors. The method of the th
The purpose of this paper is to design a new lightweight and compact antenna system for harmonic radar applications to be used to trace the migration of the Bogong moths. The main approach adopted in this paper to solve this problem is to build three antennas suitable for use in the real environment, where the modeling and the simulations were done in CST Microwave Studio Suite 2018. The principle
Although the topic of sustainability communication has been extensively studied since the 1970s, there remain gaps and contradictions, e.g. the effectiveness of communication strategies for influencing individual pro-environmental behaviour change. This study continues this discussion: the purpose was to identify what communication interventions are most effective for changing individual intention
Examensarbetets titel Sociala medier: Frihet eller fängelse? – Instagram-användares inställning till sociala medier och dess inverkan på dem Seminariedatum 2015-05-27 Ämne/kurs FEKN90, Examensarbete på civilekonomprogrammet, 30 HP Författare William Grafström, Simon Kerrén Handledare Jon Bertilsson Nyckelord Instagram, sociala medier, destruktiva sidor, imagestrategier, låtsasliv. Syfte SyftTitle Social media: Freedom or prison? – Instagram users’ attitudes toward social media and its impact on them Seminar date 2015-05-27 Course FEKN90, Master’s thesis, 30 ECTS Authors William Grafström, Simon Kerrén Advisor Jon Bertilsson Key words Instagram, social media, destructive sides, image strategies, pretend life. Purpose The purpose of this paper is to get an understanding of how Sw
De senaste åren har upphovsrätten fått mycket uppmärksamhet eftersom den digitala utvecklingen och framväxandet av Internet gjort det möjligt att snabbt och utan kvalitetsförlust lagra och överföra stora mängder ljud, bild och text. Denna överföring är inte sällan olovlig och det sker idag omfattande upphovsrättsintrång över Internet. I dessa intrång är det i huvudsak tre olika aktörer som är inblIn recent years, copyright law has been given much attention since the digital development and the emergence of the Internet made it possible to quickly storage and transfer large amounts of audio, images and text without loss of quality. The transfer is often illegal and there is a widespread copyright infringement going on in the Internet environment. In these infringements there are three main
Objective : To measure the extent to which health-related quality of life (HRQoL) in people living with HIV is associated with duration of antiretroviral therapy (ART) after controlling for sociodemographic, clinical, and other therapy-related factors. Design : Cross-sectional analysis. Methods : A gender-stratified random sample of 421 participants aged 18-64 years was selected from the patients
