Uppsatser om micro plastic

12 uppsatser

Micro plastics in the oceans and their effect on the marine fauna

Kandidatuppsats · SLU

Small pieces of plastic, termed ”micro plastic” in the oceans derive mainly from degradation of big plastics such as beach littering, but also from sources of direct emission from e.g. beauty scrubbers and synthetic sand-blasting. These micro plastics are ingested by marine …

STR?VAN EFTER ETT RENARE HAV OCH EN B?TTRE HAVSMILJ?

Kandidatuppsats · G?teborgs universitet · 2026

… how circular resource management impacts fossil resource consumption and microplastic formation. Previous results show plastic materials in the marine environment gradually fragment into secondary microplastics through a combination of UV radiation and mechanical abrasion. My …

Mjölksyrabakterier som tillsatser vid ensilering av majs :

Examensarbete · SLU

The project was initiated by Medipharm which produce microbial inoculants which used as additives to preserve forage. The main goal was to test three inoculants to produce maize silege. The following Medipharm produced inoculants were tested, Milab 393, Lactisil Wolecrop II …

Metoder att förhindra nedisning av vindkraftverksblad

Kandidatuppsats · Linnéuniversitetet

… One way is to start with a material with low surface energy and create micro and nanostructures upon it to make it ”rough”. Another way is to take an already rough surface and modify it with a low surface energy material. The outer layer on Oxel´s wind turbines are made of …

Vattentäta och ”andande” textilier

Kandidatuppsats · Högskolan i Borås · 2012

… that have been tested show good permeability to breath, including bothmicropourous and hydrophilic materials. Most of them demonstrate a Ret-value less than 13,which means very good breathability. Further tests also show how the breathability changeswith lower relative humidity …

Provning av ythärdade material tänkta för <br /> transmissionsdetaljer

Examensarbete, avancerad nivå · Luleå

… To compare the different steels, tensile strength, bending strength and microhardness were tested. In the beginning, the materials were to be case hardened or induction hardened. Hägglunds use these methods today, and all necessary equipment is available. Later, it was decided …

Materialhantering till och från robot

Högskoleuppsats · Högskolan Väst

… ABB Motors and Drives product portfolio consists of drives such as; Motiflex, Microflex and ACSM1 and the motors such as BSM (Brushless Servo Motor). The new simplified solution for the material handling will consist of integration of motors and drives products. The new …

Klostridier och jästsvamp i ensilage ? orsak, verkan och samverkan

Kandidatuppsats · SLU

… effect and interaction of yeasts and Clostridia in silage. Clostridia are microorganisms which are strictly anaerobic and consume carbohydrates and protein in the silage. Yeast is a fungus that is facultative aerobic and feed on carbohydrates in the silage. The reason that yeast …

Odour-mediated behaviour in codling moth, Cydia pomonella

do fermentation odours affect the attraction and oviposition behaviour in codling moth?

Magisteruppsats · SLU

… Many insects are attracted to the smell of fermenting fruit and associated microorganisms. Fermentation odours generally signal the presence of fermentable sugar and microbes as potential food resources for larval and adult insects, and hence might indicate a favourable site for …

Tvättemission

En undersökning av polyesterplaggs fiberutsläpp vid hushållstvättning

Kandidatuppsats · Högskolan i Borås

Havsmiljöer är idag den slutliga anhalten för den nedskräpning av plast som kommer ifrån avloppsvatten och allmän nedskräpning. Stora mängder plastpartiklar i olika storlekar har upptäckts i haven och även inuti djur som misstagit plasten som föda. Forskning visar att en stor …