Uppsatser om organic
355 uppsatser · sida 20 av 24
Examensarbete, avancerad nivå · Uppsala universitet
… in agriculture." Inorder to clarify the sludge content of pharmaceutical and organic substances it isrequired that the substances are identified and a risk assessment is performed. In theliterature it is found that the risk of human exposure to these substances is low if …
Kandidatuppsats · KTH
… between solid and liquid. Phase change materials can be divided into organics, inorganics and eutectics.In the Nordic electricity market the price of electricity is set every hour by Nordpool spot, which leads to price fluctuations because of changes in demand. The main goal of …
Examensarbete, avancerad nivå · Uppsala universitet
Under år 2008 användes globalt en energimängd motsvarande nästan 144 000 TWh ochav dessa stod fossila bränslen för 81 %. I Sverige uppgick energitillförseln under år2010 till totalt 616 TWh och av detta stod råolja/oljeprodukter för 30,4 %. Vidförbränning av fossila bränslen …
Regressionsanalys baserad på COD- och TOC-analyser vid olika grader av blekning och raffinering
Examensarbete, avancerad nivå · Uppsala universitet
… i viss mån raffineringen. Det organiska materialet analyserades som TOC (Total Organic Carbon) och COD (Chemical Oxygen Demand). Ett tydligt samband mellan blekning med väteperoxid och mängden organiskt material i avloppet observerades i en av delströmmarna. Hydrosulfitblekning …
Kandidatuppsats · Uppsala universitet
… with unexplained infertility, the woman has normal ovulatory cycles and no organic pathology, and the man has normal semen. The period during which the implantation of an embryo can occur is defined as the window of implantation (WOI). For infertile women, disturbances in the …
Högskoleuppsats · Högskolan i Borås · 2012
… and manufacturer who can provide the material 100% silk wich is organically dyed and handwoven. Silk leaves no energy-footprint and is recycable. I believe that the future will have more focus on the environment and that we will work with more ecologic materials and instead of …
Kandidatuppsats · Högskolan i Borås · 2012
Textil- och modeindustrin har på senare tid uppmärksammats i allt större utsträckning för att vara en ohållbar bransch och som följd av problemen har en rad etiska modevarumärken lanserats. De tar hänsyn till påverkan på miljö och människorna i produktionen, varför deras …
Övrigt arbete · SLU
… to increase the knowledge on manure nutrient value and the soil conditioning organic matter. The subsidy on mineral fertilizers is though an important contributing factor to bad manure usage. The development of biogas production in Russia may seem tempting, looking at the …
Kandidatuppsats · SLU
The decomposition of organic carbon in drained peat soils is a major source of carbon di-oxide in Sweden. A big part of these drained peat soils are used in agriculture and it is a big challenge to slow down their decomposition. It has earlier been thought that less tilling and …
orsaker och åtgärder
Examensarbete, avancerad nivå · SLU
… bacteria, which in an oxygen free environment reduces ferric iron with organic compounds as electron source. No sufficient methods to prevent the forming of sludge have been presented. Water flushing of drainage pipes as well as suction of wells has shown to be an efficient …
fallstudie av ett dike i Munktorps socken
Övrigt arbete · SLU
… also determined. Sediment samples were analysed for texture, micro aggregates, organic material and P-AL. Water samples were analysed for turbidity and different phosphorus fractions. The results from the Madras evaluation showed different conditions of the ditch’s sections …
Masteruppsats · SLU
… were positively correlated to till soils and the concentrations of total organic matter (TOC). In both areas, alkalinity and ANC were the most important factors indicating that the buffering capacity primarily was due to weathering.
an evaluation using stable isotopes
Masteruppsats · SLU
… that saprotrophic fungi drew 20-100 % of its water from shallow sources (organic matter -1 cm deep), whereas in general, ectomycorrhizal fungi used deeper water sources (4-75 cm deep). Moreover, rather than using water at different depths, uptake patterns and sources of water …
bidrag till ett kvalitetsbedömningssystem
Kandidatuppsats · Högskolan Kristianstad
… means, the responses are consistent to the food, that it was good, appetizing, organic or where locally produced. It turned out that the cooperation between managers and other employees worked but that there were no directives "from above" which regulate the work concerning …
Laborationsdesign för gymnasium och högskola
Masteruppsats · KTH
This thesis is about sustainability within chemistry, the so-called, green chemistry. With this work I seek to combine green chemistry with sustainable development and find methods for teaching green chemistry in a laboratory environement. I have designed and tested two labs …