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4750 Uppsatser om Hand Strength - Sida 65 av 317

Blood compatibility of biomaterials made of recombinant spider silk

Native spider silk is an attractive lightweight natural polymeric material with a unique combination of strength, extendibility and flexibility. Synthetic, recombinant spider silk is an attractive biomaterial with several possible fields of application. When a foreign material is introduced to blood, this can for example cause unwanted coagulation and complement activation. The aim of this study was to investigate if coatings of heparin or albumin could improve the blood compatibility of films of recombinant spider silk and to develop an initial method to do so. Hypothetically, objects like pacemakers, stents and dental implants could be covered with spider silk films of high blood compatibility to reduce potentially harmful foreign body reactions caused by the immune defense. Increased blood compatibility would likely lead to improvements for both the individual patients and the society thanks to reduced load on healthcare institutions. Our objective was to assess the blood compatibility of both functionalized and non-functionalized recombinant spider silk by evaluating coagulation and activation of the complement system of the immune defense. Coagulation was evaluated visually on glass slides and complement activation was analyzed by measuring the concentration of the complement system mediator C3a in blood samples that had been exposed to the different materials. This study introduces a non-toxic and easy performed method of improving the blood compatibility of recombinant spider silk films by adding a heparin coating. Heparin coated surfaces had statistically significantly higher blood compatibility than uncoated surfaces. The effects of albumin coating of films were less clear compared to the results of heparin coated films. Complement activation could not be evaluated because of high activation in all samples prior contact with the materials that were included in the study..

Koldiffusionens inverkan på utmattnings-hållfastheten hos varmvalsade sexkantsstänger;The influence of carbon diffusion on the fatigue strength of hot rolled hexagonal rods

Helstångsborr och konstång kallas bergborrverktyg, som tillverkas av sexkantiga stänger med inre hål för ledning av spolvatten. Dessa spolhål är klädda med ferritiskt rostfritt stål. Innan valsning borras ett centrerat hål i stålämnet som ska valsas. I det borrade hålet appliceras ett rör av ferritiskt rostfritt stål och i det röret skjuts en manganstålskärna in. Efter valsning dras kärnan ut och ett spolhål med invändigt foder av rostfritt stål bildas.

Fiberarmerade betongkonstruktioner – Analys av sprickavstånd och sprickbredd

Today more effective computer programs are in use, regarding design of geotechnicalconstructions. There is a risk that the theoretical background of the computerprograms, its limitations and the signification of the choice of soil parameter isforgotten when the computer programs become more user-friendly.This Master thesis deals with simulation and analysis regarding three computerprograms, FEM-design, with the addition Raft, Plaxis and BE-slab. Comparisons aremade for settlement and maximum moment in a concrete-plate. FEM-design is a threedimensional FEM-program, foremost created for design engineers. Plaxis is a twodimensional FEM-program, intended for geotechnical engineers while BE-Slab is aBoundary elements program in two dimensions that is mainly used by designengineers.

Folksams trygghetsavtal och miljöpolicy. Utvärdering och Analys

Today more effective computer programs are in use, regarding design of geotechnicalconstructions. There is a risk that the theoretical background of the computerprograms, its limitations and the signification of the choice of soil parameter isforgotten when the computer programs become more user-friendly.This Master thesis deals with simulation and analysis regarding three computerprograms, FEM-design, with the addition Raft, Plaxis and BE-slab. Comparisons aremade for settlement and maximum moment in a concrete-plate. FEM-design is a threedimensional FEM-program, foremost created for design engineers. Plaxis is a twodimensional FEM-program, intended for geotechnical engineers while BE-Slab is aBoundary elements program in two dimensions that is mainly used by designengineers.

Energieffektiva småhus - en studie av ett fristående enfamiljshus

Today more effective computer programs are in use, regarding design of geotechnicalconstructions. There is a risk that the theoretical background of the computerprograms, its limitations and the signification of the choice of soil parameter isforgotten when the computer programs become more user-friendly.This Master thesis deals with simulation and analysis regarding three computerprograms, FEM-design, with the addition Raft, Plaxis and BE-slab. Comparisons aremade for settlement and maximum moment in a concrete-plate. FEM-design is a threedimensional FEM-program, foremost created for design engineers. Plaxis is a twodimensional FEM-program, intended for geotechnical engineers while BE-Slab is aBoundary elements program in two dimensions that is mainly used by designengineers.

Hemsöborna eller Ondskan - om svensk skönlitteratur isvenskundervisningen på gymnasiet

Studiens syfte är att undersöka vilken svensk skönlitteratur som används i svenskundervisningen på gymnasiet. Undersökningen belyser litteraturundervisning på gymnasiet med koppling till ett litterärt svenskt kulturarv. Den empiriska undersökningen grundar sig på en enkätundersökning med svensklärare på gymnasiet och på en jämförelse med sexton utvalda antologier för gymnasiet. I enkätundersökningen deltog lärare från tio olika skolor i tre olika kommuner. Resultatet visar att det först och främst är elevernas intressen som styr lärarnas val av skönlitteratur.

Butikslayout- mer än bara estetik

The purpose of this study was to investigate the connection between store layout and how it affects us as shoppers. We formed our research questions based on literature. The study was based on observations of shoppers without their knowing they were observed. We didn?t tell shoppers since the science of shopping says that shoppers pattern of movement is something that?s subconscious and if the shoppers had known it would have affected the result of the study.

KB-ryggstödet : Vidareutveckling av ett justerbart ryggstöd för rullstolar

This master thesis is commissioned by Permobil AB. The report describes thoroughly the developing process of an adjustable backrest for wheelchairs. The target group for the backrest are people that suffer from scoliosis or other spinal diseases. Because of insufficient pressure distribution usage of traditional backrests is not an option for them.The current solution has got a frame that is made by several adjustable links that is held in place by friction. Between the links velcro tapes are attached that is adjusts the depth.

Branding : Den moderna marknadsförarens högra hand

Denna uppsats undersöker vilka faktorer som är viktiga för att en brandingstrategi ska fungera och attrahera rätt konsumenter. Uppsatsen använder sig av en fallstudie utav kläd-­ och inredningsmärket Gant för att analysera om de utvalda marknadsföringsbegreppen och teorierna fungerar när de används i en brandingstrategi. Empirisk data kommer från en djupintervju samt en enkätundersökning och analysen av insamlad data har genererat en schematisk förklaring som beskriver tre olika nivåer av påverkan av en konsument i ett brandingsammanhang. Den schematiska förklaringen är användbar för marknadsförare som söker få en bra uppfattning för vilka faktorer de ska fokusera på för att deras marknadsföringsstrategi ska lyckas..

OMF ? ett begrepp i tiden

Concept Development and Experimentation (CD & E) är en utvecklingsmetod som idag inryms inom FM. Idén är att den skall bidra med ett metodiskt arbetssätt för framtida utveckling av organisationen. Ambitionen är att tillämpa metoden inom olika delar av hela FM utvecklingsprocess. När CD & E lanseras som det nya sättet att bedriva utvecklingsarbete infinner sig frågan: - Hur har vi historiskt utvecklat förmågor och i vilken mån tar CD & E hand om tidigare erfarenheter från genomförda organisations- och metodförsök (OMF)? Finns det en spänning mellan CD & E och tidigare arbeten med OMF, eller stödjer de olika delar av utvecklingen? Denna uppsats beskriver hur OMF och CD & E kan komplettera varandra och bidra till FM förmågeutveckling..

Analysis of eucalyptus plantations on the Iberian Peninsula

This thesis analyses the prerequisites, profitability and competitiveness of eucalyptus plantation on the Iberian Peninsula and in Brazil. The thesis has a macro perspective and analyses a typical hectare of eucalyptus in each studied region. A survey methodology was used as a strategy to cover a broad perspective using expert respondents. The regions studied on the Iberian Peninsula were the ones found suitable for eucalyptus plantations from an economic point of view. The studied regions were Huelva in the South West of Spain, Galicia in the North West of Spain and Portugal.

Sociala Medier som marknadsföring - Från ett organisationsperspektiv

I dagsläget pratar man alltmer om sociala medier och hur användandet av sociala medier kanhjälpa företag med sin marknadsföring. Sociala medier är inte renodlade reklamkanaler,de är kommunikationskanaler som framförallt kan och ska användas för att bygga förtroendeoch stärka relationer mellan företag och individ. Vi står mitt i en nyordning somförvandlat användaren till en mer aktiv del av nätets utbud. Det är därför viktigt att företagenanpassar sig och gör sig tillgängliga på nätet.För att se vilka faktorer som driver utvecklingen framåt, har vi tittat på teknikerna bakomsociala medier och hur företag idag arbetar med sociala medier, hur organisationen ser ut runtom kring och vilka positiva och negativa erfarenheter som personer med uppgift att ledaprojekt med sociala medier har redovisat. I studien har vi använt oss av en kvalitativ metodmed åtta stycken intervjuer med ansvariga för sociala medier på respektive företag.De drivande faktorerna bakom användandet av social media som marknadsföring är, som vihar sett, att ständigt vara tillgänglig och närvarande.

Hälsorelaterad livskvalitet och psykosocial situation hos kvinnor som genomgått mastektomi med eller utan rekonstruktion

Abstract? Background: ?Breast?cancer is the?most?common cancer for?women,?with?over 8000?of?cancer?cases?per?year.?Surgery?is the?most?common form?of?treatment. Basis?of?illness?and?the?loss?of?a?breast?can?be a?big?trauma for the?individual?and?affect?many?aspects.?Aim: The?aim?of?this?study?was?to?investigate?health-related?quality?of?life?and?psychosocial?situation and the?need?for support and?care?for?women?who?undergone?a?mastectomy?with?or?without?reconstruction.?Method: The?study?design?was?a?descriptive?study?with?qualitative?approach.?The?selection?was?strategically?consisting?of?the?eight?women?from?five?cities?which?had?undergone?mastectomy?with?or?without?reconstruction. The?interviews?were?semi-structured?individual?that?analyzed?using? content?analysis.?Results:All?of?the?women?felt?that?the?body?changed?after?the?mastectomy.? Feelings?of?insecurity?and?discomfort?were?common.?Among?those?who?underwent?reconstruction?were?all?dissatisfied?with?the?results.

Tro i vardagen : En studie av en undervisningsmodells effekter gällande elevers förståelse och engagemang i religionskunskap

Study: Degree project in teacher education, Advanced level, 15 hpUniversity of SkövdeTitle: Religious belief in everyday life ? a study of the effects of a teachingmodel focusing on religious belief in everyday lifeNumber of pages:42Author: Johanna ClaessonTutor: Kennert OrleniusDate: Jan 2009 Keywords: Religious study, students´ understanding, students´ commitment,Buddhism  This paper presents the execution and the result of a project examining how a tutorial model (called the model of everyday religious practice) focusing on how Buddhism is expressed in the daily life of Buddhists believers, affects students understanding of and commitment in religious studies. In the project, Thai students have partaken by producing sex posters and a picture-show with the help of their own photographs and short texts. However, the picture-show was mainly produced by the author of this paper. These posters and the picture-show were brought to Sweden to figure as teaching material during a lesson in religious studies for students in year eight in a Swedish school.

Potentiella armeringsfel inom byggproduktionen : En generell studie

Reinforcement is of great importance to fulfill the dimensioned strength of a concrete construction. This requires that the work needs to be carried out with adequate results that neither endangers the workers or the safety of the construction. Progressive development of the planning phase, construction documents, and construction methods is in constant need since the technology constantly evolves.In order for contractors to be able to get acceptances from their quotations requires that they have to increase their working pace in order to be able to leave a quotation with a lower price than the competition.Due to the increasing pace the different parts involved in the construction process is subjected to time pressure. The design stage, construction documents, work preparation and the execution are all affected when everything has to be finished quickly. To avoid problems, it is required that all parts are able to deliver good quality solutions and results under the influences of time pressure, which is not always easy.

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