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The homogeneous charge compression ignition ( HCCI) combustion engine principle lacks direct ignition timing control, instead the auto-ignition depends on the operating condition. Since auto-ignition of a homogeneous mixture is very sensitive to operating conditions, fast combustion phasing control is necessary for reliable operation. For this paper, a six-cylinder heavy-duty HCCI engine was contr
Background and AimsApomictic species (with asexual seed production) make up for 20-50 % of all taxonomically recognized species in northern Europe, but the phylogenetic relationships of apomictic species and the mode of evolution and speciation remain largely unknown and their taxonomy is consequently disputed.MethodsIn the present study, plastid psbD-trnT sequences (349 accessions) and 12 nuclear
Pore formation and pore closure in poly(D,L-lactide-co-glycolide)-based drug delivery systems are two important processes as they control the release of the encapsulated drug. The phenomenon pore closure was investigated by studying the effects of the pH and the temperature of the release medium, and the properties of the polymer. Poly(D,L-lactide-co-glycolide) (PLG) films were subjected to a pore
We report on multiblock copolymers consisting of highly sulfonated hydrophilic poly(arylene sulfone) (SPAS) blocks combined with hydrophobic poly(arylene ether sulfone) (PAES) blocks. Dithiol-terminated precursor blocks of sulfonated poly(arylene thioether sulfone) (SPATS) were first prepared via polycondensations involving a novel tetrasulfonated dichlorotetraphenyldisulfone monomer, followed by
Ectomycorrhizae are formed by mutualistic interactions between fungi and the roots of woody plants. During symbiosis the two organisms exchange carbon and nutrients in a specific tissue that is formed at the contact between a compatible fungus and plant. There is considerable variation in the degree of host specificity among species and strains of ectomycorrhizal fungi. In this study, we have for
The purpose of this paper was to, from a user perspective examine and describe how the cares of people with learning disabilities in two care residences fulfil stated quality objectives. Another purpose was also to examine if the quality tool, Quest, was useful when evaluating Swedish conditions. The result shows the conditions were good for performing high quality care, but there are certain need
Enteric neuropathy describes a disease of the bowel caused by anomalies in the enteric nervous system. Patients suffering from this disease have symptoms including nausea, vomiting, diarrhea and pain. As enteric neuropathy is not well understood yet, its diagnosis is a non-trivial task. Research on the enteric nervous system is needed in order to gain a better understanding of this disease, makin
Den 1 juli 2021 blev det straffbart att låta barn bevittna brott mellan närstående. Brottet fick rubriceringen ”barnfridsbrott” och återfinns i 4 kap. 3 § BrB. Kriminaliseringen av att låta barn bevittna brott mellan närstående bemöttes av positiv respons från de flesta remissinstanserna. Trots att barnfridslagen välkomnades med öppna armar fanns en viss oro för hur lagens utformning skulle fungerOn the first of July, 2021, it became a crime in Sweden to allow children to witness crimes between relatives. The crime is called ”barnfridsbrott” and exists in Chapter 4, Section 3 in the Swedish Criminal Code. The criminalization of allowing children to witness crimes between relatives was met with a positive response from most of the consultation bodies. Although it was welcomed with open arms
This paper addresses the currently existing research gap regarding the lack of a clear definition and categorisation of lifestyle entrepreneurs. The primary objective is to examine the different core dimensions of lifestyle entrepreneurs and develop a comprehensive concept on their basis. This study adopted an abductive approach to explore the understanding of lifestyle entrepreneurs. By utilising
In this study, Dissolved Organic Matter (DOM) quality was analysed through its optical properties. Samples from the estuarine waters of the Beagle Channel and oceanic ones of the Burdwood Bank were examined in order to understand how DOM quality was changing. The focus of the study was to determine whether the environmental variables or the microbial community were the main driver in DOM compositi
Goblet cell - immune cell interactions and their role in inflammatory bowel disease Goblet cells, specialized mucus secreting cells lining the gut, are key players in mediating immune responses. While the mucus layer functions as a barrier against the intrusion of foreign bacteria into the host, substances from e.g food and bacteria are sampled and delivered to the immune system through the forma
Titel: #Det_digitala_galleriet - En kvalitativ fallstudie inom konstgalleribranschen & dess påverkan av digitaliseringen Författare: Alice Löfqvist, Charlotte Cederqvist & Pauline Bräutigam Handledare: Peter Svensson Problematisering: Konstbranschen har de senaste årtiondena präglats av en starkt digitalisering. Digitaliseringen har påverkat branscher genom förändrat kundbeteende, konkuTitle: #The_digital_gallery - A qualitative case study of the art gallery industry & how the industry has been affected by the digitalization Authors: Alice Löfqvist, Charlotte Cederqvist & Pauline Bräutigam Supervisor: Peter Svensson Background: In recent years the art industry has been characterized by strong digitalization. Digitalization has affected industries through shifting cust
Training Generative Adversial Networks (GANs) for image synthesis problems is a largely heuristical process that is known to be fickle and difficult to set up reliably. To avoid common failure modes and succeed with GAN training, one needs to find very specific hyperparameter settings carefully tuned to the model architectures and datasets at hand. Standard GAN training optimization methods such a
Purchasing has become an increasingly important function in manufacturing companies, as it accounts for a large extent of total spending and influences a company's competitive position. It is relevant for Tetra Pak, a global manufacturer of packaging and processing solutions, active since the 1950s. Tetra Pak has over 100.000 active units at customers site over the world, to service them and o
Syftet med denna studie är att utöka kunskapen om fiolundervisning i grupp jämfört med enskild undervisning. Studien bygger på tidigare forskning inom instrumentalundervisning och erfarenheter som olika instrumentalpedagoger har av de två olika undervisningsmetoderna. I denna studie används aktionsforskning som metod. För att samla data har jag filmat fiollektionerna och gjort strukturerade reflekTitle: Violin teacher challenges - A study of violin teaching in a segregated area The purpose of this study is to expand the knowledge of violin teaching in groups versus one to one teaching. The study builds on previous research on instrumental teaching and experiences that different instrumental teachers have from the two different teaching methods.In this study I have used action research as m
A novel design approach to form macroporous gels is presented. Macroporous gels (MGs), known as cryogels(or gels prepared at subzero temperatures), were prepared inside a protective plastic core (so-called, housing), thus making them resistant to shear forces at stirring. MGs are highly elastic polymeric materials with pore sizes up to 100 mu m and spongelike morphology. Design of MGs inside a pro
This essay contains an analysis of the International Court of Justice's advisory opinion on the Israeli Wall and a comparison between this judgement and others from the Court regarding the right to self-defence. Moreover, State practice and doctrine on the subject will be evaluated. The wall, or the 'security fence', built by Israel on Occupied Palestinian Territory, has become the wor
Abstract in Italian Nell’aprile 2011, al famoso logo della community di file sharing globale The Pirate Bay fu aggiunta l’immagine di una lente di ingrandimento e il nome del sito cambiò in The Research Bay. Gli utenti che cliccarono sul nuovo logo furono reindirizzati su un sondaggio online; durante le 72 ore di svolgimento dello studio, 75.000 file-sharer compilarono il questionario preparato da
New methods and products must be developed to reduce our dependency on fossil fuels, to reduce global warming. In this work, methods of extracting and isolating hemi¬celluloses from agricultural and forestry waste streams have been studied. Hemi¬celluloses are biodegradable polymers that can replace fossil-fuel-based products for use in various applications, such as barrier films and hydrogels. Ar
Honor-related violence and oppression in Sweden- A qualitative study of women's shelters and shelters work This bachelor essay is intended to investigate how different women's shelters are working with women and girls with honor problematic. Honour-related violence is different from domestic violence. Honour-related violence began to attract attention very early 21-st century when the mur
