Uppsatser om plastic
173 uppsatser · sida 5 av 12
Den mekaniska konstruktionen runt ett larmsystem
Examensarbete, grundnivå · Uppsala universitet
… in two parts: a rear piece, and a fairing to beinjection molded in a type of plastic called polycarbonate ”durable plastic”.The result was a CAD version of a complete casing that provides protection andshelter to the electronics needed. Calculations and derivations for what is …
Examensarbete, avancerad nivå · KTH
… use of a viscometer to determine the concretes rheological properties such as plastic viscosity and yield stress. For the individual size fraction 12.5-16 mm a flow analysis is performed in an L-box to study how the particles are orientated with the flow direction, and how this …
Högskoleuppsats · Mälardalens högskola
… was conducted during April to June 2014. The principal of the thesis works at Plastic Produkter. The assignment was to develop equipment for an effective way to dose, mix silicon, fill a special designed plastic bag and then seal it. The bag is then formed into a breast …
Högskoleuppsats · Mälardalens högskola
… was conducted during April to June 2014. The principal of the thesis works at Plastic Produkter. The assignment was to develop equipment for an effective way to dose, mix silicon, fill a special designed plastic bag and then seal it. The bag is then formed into a breast …
Kandidatuppsats · SLU
… is a chemical with estrogenic effects used in the manufacture of polycarbonate plastic and are found in, for instance, plastic boxes, feeding bottles and food containers. Much of the research on how men's reproductive ability is influenced are performed on rats. This review …
Kandidatuppsats · Linnéuniversitetet
… that are often transported to energy recycling are textiles and thermosetting plastic where the plastic can be and are recycled in about 20 municipalities. The authorities and some companies are investigating the possibility to recycle textiles and they have found a way to …
Metoder och beräkningar gällande utmattningsteorier
Högskoleuppsats · Högskolan i Skövde
… have been studied. The first one is made by CoffinManson and takes the plastic strain in to account, the second is made by Morrow and takes both the elastic and the plastic strain in to account. The third is a modification of Morrow’s criterion, and will consider the midstresses …
Examensarbete · SLU
… varied between the stands. In three of the stands a thin black strip of plastic was used to control weed competition. In these stands both the tree survival and height growth were higher than in the other stands. In these stands plant survival varied between 71 ” 92 %. In the …
Masteruppsats · Lunds universitet
… of checking where they have been. On the pallets there can be remainders of plastic film, labels and staples. Wood is soft and objects like pieces of glass can easily stick and go with the pallets into the production facilities. On the whole a lot is going on in the transport- …
Kandidatuppsats · Högskolan Dalarna
… taken in both sites. The invertebrates were collected with a bag net and a plastic cylinder one meter from the shoreline. The invertebrates in the forty samples were classified and statistical analyses were made.Some taxa, common at undisturbed sites, were missing at metal …
en pilotstudie i Sverige och Tyskland
Examensarbete · SLU
… the Swedish retail sector in the year 2000, and their introduction of a grey plastic crate to the supply chain for perishable goods changed the situation for the swedish horticultural sector. The new system revealed several challenges to be tackled by all actors, from the small …
Examensarbete, avancerad nivå · Luleå
… materialmodell samt två olika varianter av en traditionell, klassisk plasticitetsmodell. I Autodyn har en tillståndsekvation som heter JWL använts, för att beskriva sprängämnets tryckuppbyggnad från detonation till verkan på plåten. I Abaqus har, förutom simuleringar med JWL’s …
Examensarbete, grundnivå · Linköpings universitet
The vertical electronic excitation energies for the narrow-bandgap polymers LBPF, EP37 and EP62 have been calculated using Density Functional Theory (DFT). Also the vertical excitation energies for the acceptor unit of LBPF have been calculated using the Hartree-Fock (HF), DFT …
inom miljö, arbetsmiljö och kvalitet
Examensarbete, avancerad nivå · Högskolan Väst
The ability to tackle NP-hard problems has been greatly extended by the introduction of Metaheuristics (see Blum & Roli (2003)) for a summary of most Metaheuristics, general problem-independent optimisation algorithms extending the hill-climbing local search approach to escape …
Examensarbete, avancerad nivå · Luleå
… 2511 at 900 and 1170 MPa. The PM steels behaved brittle and did not show any plasticity. The Vanadis 10 broke at 1030 MPa and Vanadis 30 at 1210 MPa. In the bending test, load and deflection were measured. Highest measured load was found in the VascoMax test. Then, in decreasing …