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1227 Uppsatser om Materials of textile - Sida 14 av 82

Lakningsförsök med furubarksflis : en utredning om utsläpp av fenolföreningar samt metallsorption

The filters used today to purify water are often expensive and the need to find new filter materials is substantial. Studies of pine bark have shown that this is a material that may be used as an alternative to conventional filter materials, such as activated carbon. However, the study of pine bark has shown that a leakage of phenolic compounds may occur when using the material for water purification. Therefore, the purpose of this report is to investigate the release of phenols from pine bark, in order to evaluate the use of pine bark as a filter material. Another assignment is to investigate the amount of metals adsorbed by the filter material.

Design som könsstruktur : samtal om genus, makt och mobiltelefoner

The main purpose with this study is to describe teachers? use of textbooks and other teaching materials in upper secondary school (gymnasiet) in Sweden, and to discuss the use according to school subject and teacher style. Data was collected in two different ways. At first twenty classroom observations were made during lectures concerning the subjects Swedish (mothertounge), English (foreign language) and religion. Then four open interviews were carried out with the teaching teachers.

Det energisnåla isoleringsmaterialet

This bachelor essay is divided into two parts, the first being a construction of a single-familyhouse and the second an in-depth study of five different isolation materials, analysed from anenergy perspective.The first part, the construction of the single-family house, has been created from knowledgeacquired during three years of studying at KTH Royal institute of Technology in Stockholm, inthe program Architecture and the Built Environment. The constructed house is a one-floorhouse of 137m2with façade plaster, situated in Borlänge, Sweden. The house has a wooden framewhich is built on a on sight cast concrete foundation, on the ground. The house?s roof is a gableroof, which has an angle of 24 degrees.

Lean Sex Sigma hos Sandvik Materials Technology

Bakgrunden till examensarbetet är att det existerar ett behov inom Sandvik Materials Technology att komma tillrätta med problemen avseende dålig leveransprecision och antalet reklamationer genom ett förbättringsprogram som kan angripa alla bekymren inom företaget. Företaget har i dagsläget inlett ett internt förbättringsprogram kallat Lyftet Ledtid, med övergripande syfte att sänka ledtiderna i processerna för att minska kapitalbindningen samt uppnå bättre kvalitet. Andra företag har implementerat förbättringsprogrammet Sex Sigma och en undersökning av dess lämplighet för Sandvik Materials Technology bör ske. Arbetet syftar till att undersöka förbättringsprogrammet Sex Sigmas utrymme inom det interna förbättringsprogrammet Lyftet Ledtid. Det bör även ange hur en eventuell implementering kan ske.

Mineraliska material som reaktiva filter för avskiljning av tungmetaller från dagvatten

Highly polluted urban storm water from e.g. highways can contain large amounts of heavy metals that may cause harm if they are discharged into recipients. To remove the heavy metals a possible low-cost method that does not require much maintenance, could be the use of reactive filters with filter materials consisting of industrial residues or other cheap mineral based materials. Dissolved metal ions are removed by reactive filters through the processes of ions binding to active sites on the surface of the filter materials, or by formation of insoluble precipitates.The ability of CaO-treated granulated blast-furnace slag, iron oxide coated sand, olivine and nepheline to remove seven heavy metals (Cr, Cd, Cu, Ni, Zn, Pb and Hg) from urban storm water was studied. Initially batch experiments were performed where the effect of pH, dissolved organic carbon (DOC) and dissolved ions on the adsorption efficiency was studied.

Miljöinformation i förvaltningsberättelsen :

The first of May 2005 changes were made in the Annual Accounts Act. The 2006 Annual Report of companies with more than ten employees or assets over 24 million SEK must include environmental information in the directors' report if it affects the company's development, result or position. A survey made by KPMG 2007 investigating the environmental information of companies listed on Large Cap Segment of the OMX Stockholm exchange showed that only a third of the companies, included in the survey, complied with the new law requirements. I have examined how the environmental information in the directors' report is formulated and why the information is formulated in that fashion. I have examined seven companies listed on the Large Cap Segment of the OMX Stockholm exchange. Four companies from the materials sector and three banks from the financials sector were included in the survey.

Tungmetaller i lakvatten : avskiljning med mineraliska filtermaterial

Four different kinds of filter-materials with reactive surfaces have been studied concerning their capacity to absorb heavy metals in leachate from a municipal waste deposit. The heavy metals studied were: lead, cadmium, copper, mercury, chromium, nickel and zinc. The leachate contains high levels of dissolved organic carbon (DOC) and has a high pH-value along with a high buffer capacity. These characteristics of the leachate make it difficult to remove pollutants and require efficient filters. The filters that were examined in the report are blast-furnace slag with CaO, sand covered with iron oxides, olivine and nepheline.

Att Organisera Processer : semesterrekrytering på Sandvik Materials Technology

Bakgrunden till studien är de förändringar i form av minskade produktionsstopp som Sandvik Materials Technology (SMT) infört från och med sommaren 2005. Detta har inneburit att vissa produktionsområden stänger ner sin tillverkning från fyra veckor till inga produktionsstopp under sommaren. Syftet med undersökningen har varit att undersöka hur arbetsfördelning, kommunikation och samordning har skett mellan nyckelaktörer på SMT inför rekryteringen av semesterersättare år 2007. Vi har använt oss av en kvalitativ metod där vi genomfört åtta stycken halvstrukturerade intervjuer och granskat dokument, såsom processbeskrivning och rekryteringspolicy för semesterprocessen. Resultatet har visat på svårigheter i kommunikation och samverkan som vi främst tror har grundat sig i otydliga roller i arbetsfördelning inom processen, då kontaktmannen både har agerat som personalman och kontaktman till de berörda första linjens chefer vi har intervjuat..

Därför väljer vi : om några lärare val av

.The Whole language program is in Sweden generally referred to as ?Kiwimetoden? - ?the Kiwi program? (author?s direct translation) partly due to the fact that the Whole language program originates from New Zealand. Whole language is basically a literacy program and approaches literacy from a holistic point of view. Children learning to read and write should do so in the same natural way children learn to speak their native language which is in the context of authentic language as a whole. In Sweden the program is generally practiced together with a commercial and pre-organised material called ?kiwi? or ?Stjärnsvenska?.

Fireball 2 : Energieffektiv fiber produktion

The development within the textile industry is always ongoing with development of new andbetter textiles, which often mean the use of non-natural materials like polyester. This doesn?t lineup with the work shared around the world against an improved environment, so the idea came touse a form of linen fibers instead of polyester as the reinforcing material together with cotton.The idea was to use flax, linen of low quality, which is seen as a waste product and garbage inthe production of high quality linen and flax seed oil. This flax of low quality needs to beseparated before it can be used in cotton spinning machines. Fireball 2 is just that, a process toseparate flax fibers through the treatment of a technique called electrohydraulic discharge.The thesis works goal is to evaluate the Fireball 2 process ability to separate flax fiber.

Medier på andra språk än svenska: En studie om det mångkulturella biblioteket

The purpose of this master?s thesis is to investigate how librarians approach to the multicultural collection development and which methods they use in providing library materials in minority languages. The questions to be answered are: which methods the libraries use when purchasing library materials in minority languages, how the respondents experience that the minority user groups needs are met in the library and how the multicultural competence of the staff is used in the libraries. For this purpose the qualitative interviews with 6 librarians in Gothenburg are conducted, mainly from the libraries in the immigrant-dense parts of the city, while the study being concentrated on 6 language groups of library users. The study?s theoretical framework is based on theories of multiculturalism, culture, identity and bilingualism.

Restspänningar i arc-förångade (Ti(1-x)Al(x))N ytskikt

This report is the written documentation of a project work carried out at the Division of Engineering Materials at Luleå University of Technology in cooperation with Seco Tools AB. The project deals with the analysis of residual stresses in Ti-Al-N thin film grown on WC/Co cutting inserts. The composition of Al varied from 0% up to 75%. Increasing the Al content in the Ti(1-x)Alx N compound improves the compressive residual stresses even after annealing of the material. The experiments have been performed in a high temperature x-ray diffractometer (HTXRD) where the interplanar atomic spacing was determined in-situ and subsequent converted into stresses.

Feng shui i trädgården :

Our environment affect us, not least gardens. By practising the ancient Chinese art feng shui, one could find tools how to create harmony and balance in gardens. By paying attention to different energies working with colours, shapes and materials one can create a nice garden with good feng shui. The philosophy, however, includes much more than what plants or what hard materials to choose in the garden. It describes different energies, the movement of energies, which we can learn to live in harmony with.

SFEH. The clothes. The brand. The style.

SFEHA project about a clothing brand and a new kind of showroom that looses it´s structure during the process.But managed to find the core and produced a personal mirror of prints for a greater cause.Sfeh is the brand with quality and humor in focus and the will to push the boundries. With prints based on free drawing and smart thinking as it´s essential base.The project resulted with a various collection with mostly T-shirts but also textile gloves and bed sheets..

Teknisk undersökning av stafflimåleri ? Med fokus på två dörröverstycken från Röhsska museet

This bachelor thesis is a study in the analysis of paintings with focus on the technical exami-nation within the framework of ATSR. ATSR is a methodology based on an interdisciplinary study with the aim of putting the object in its context.The study is based on questions concerning which information the object can give, how we access this information and how it can be put in a larger context. My thesis contains three major parts. First a short overview of methods of analysis used in this form of investigation is presented. This is followed by two case studies which exemplify the technical investigation.

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