Uppsatser om laboratory

272 uppsatser · sida 17 av 19

Energianalys av hygieniseringssystem

jämförelse av befintlig pastörisering med integrerad termofil hygienisering på Kungsängens gårds biogasanläggning i Uppsala

Examensarbete, avancerad nivå · SLU

… biogas production and energy yield was examined through experiments with two laboratory digesters, of which one was fed with pasteurized substrate and the other with non-pasteurized substrate. For the present pasteurization system, electricity and heat demand was surveyed. For …

Neonicotinoids and honeybee health

the effect of the neonicotinoid clothianidin, applied as a seed dressing in Brassica napus, on pathogen and parasite prevalence and quantities in free-foraging adult honeybees (Apis mellifera)

Masteruppsats · SLU

… studies to date have exposed bees only artificially to these pesticides under laboratory conditions. There have been just a few well designed and replicated studies of the impacts of realistic neonicotinoid exposure on honeybees foraging under field conditions. In order to close …

Beslutsfattande och uppmärksamhet

Heuristikers påverkan på kognitiva resurser inom konsumentpsykologi

Kandidatuppsats · Karlstads universitet

… to varying degrees. A quantitative data collection was performed by a laboratory experiment with a total of 34 participants. A convenience sample was done and participants were divided into three different heuristic groups by randomization. Groups were examined and compared by …

Bekämpningsmedelsrester i dricksvatten

En undersökning av bekämpningsmedel i 50 enskilda brunnar i Laholms kommun

Kandidatuppsats · Högskolan i Halmstad

… The analysis of the water sampleswas carried out by the accredited laboratory Eurofins. Nine of the 50 wells in this studycontained residue of pesticides and two of these exceeded the allowed concentration of 0,1 ?g/l.Nine different pesticides were detected, among these were …

Luftutsläpp från järnmalmsproduktion

- Strategier för systematisk luftkvalitetsmätning

Kandidatuppsats · Högskolan i Halmstad

… which have an advantage over the collection of sample for analysis in a laboratory. The work has been limited to air emissions and optical methods. Through extensive literature review, questions has been answered on regarding which are the most important parameters to measure …

Laborera i fysik, en självklarhet, men när?

Examensarbete, avancerad nivå · Uppsala universitet

… attitude towards physics as a subject, when they have access to a more laboratory-based learning style. The aim of this study is to research how the placement of the lab relative to the lecture affects the students? experiences and level of knowledge. The study involved students …

Energianalys av hygieniseringssystem

jämförelse av befintlig pastörisering med integrerad termofil hygienisering på Kungsängens gårds biogasanläggning i Uppsala

Examensarbete, avancerad nivå

… biogas production and energy yield was examined through experiments with two laboratory digesters, of which one was fed with pasteurized substrate and the other with non-pasteurized substrate. For the present pasteurization system, electricity and heat demand was surveyed. For …

Oxygen Health

Inlösning av syre i vatten

Kandidatuppsats · Högskolan i Halmstad

… infusers fordifferent comparison test and performance benchmarks in a in a laboratory provided by Zenit.The project led to satisfying results using the oxygen infuser manufactured by the authors withcomparable levels of saturation to the reference infuser.The theory behind this …

Nedbrytning av propylenglykol i uppsamlingssystem för avisningsvätskor

En studie utförd vid Stockholm Arlanda flygplats

Examensarbete, avancerad nivå · Uppsala universitet

… analysis of degradation products. A degradation experiment was performed in laboratory and the accumulation times for water in the collection tanks were compiled from surface level data. These accumulation times were later used in a computational model to estimate the extent of …

Kattsnuva orsakad av felint herpesvirus typ 1 och felint calicivirus

laboratoriediagnostik, epidemiologi och immunprofylax

Kandidatuppsats · SLU

De vanligaste orsakerna till kattsnuva är infektion med felint herpesvirus typ 1 (FHV-1) eller felint calicivirus (FCV). Båda virusen är vanligt förekommande även i den friska populationen och prevalensen är generellt högre i större djurgrupper. Efter infektion med FHV-1 lägger …

Hybridlärkens tillväxt i Snogeholm

hur påverkas produktionen i blandbestånd jämfört med trädslagsrena bestånd?

Kandidatuppsats · SLU

… to document the production of hybrid larch planted in the Snogeholm landscape laboratory and to compare the production in the pure hybrid larch stand with the mixture together with pedunculate oak (Quercus robur). The data collection in Snogeholm since the establishment has been …

Interspecies embryo transfer in South American camelids

a field study

Masteruppsats · SLU

… and non-surgically transferred to synchronized alpaca recipients. The field laboratory was located in the Peruvian highlands and was equipped with basic restraining pens but lacked electricity and running water. The use of alpacas as recipients for embryos of the slightly larger …

Biological control of Fusarium wilt on tomatoes

use of Bacillus subtilis and interactions with the earthworm Pontoscolex corethrurus in a Kenyan highland soil

Masteruppsats · SLU

… oxysporum was investigat-ed. This was done in three different experiments: 1) Laboratory study evaluating the effect on germination and growth of tomato seeds treated with B. subtilis received from University of Nairobi alternatively isolated root bacteria and infected with F …