415 uppsatser · sida 3 av 28
… pulp and thus the load to the wastewater plant increased. During bleaching substances dissolve from the pulp and the amount of COD in the wastewater increase. To keep the efficiency of chemical and biological oxygen demand (COD, BOD) removal, the aerated lagoon is supplied by …
Chlorinated solvent are volatile organic substances that can be harmful for humans and for the environment. Examples of common chlorinated solvents are perchloroethene, PCE, and trichloroethene, TCE. Chlorinated solvents appear as contaminants in soils primarily where they have …
… of this study stemmed from the notion that the majority of homeless women with substance abuse, most of all, wanted a secured place of their own to stay. Few involved professionals agreed and instead of perceiving housing as a human right the women were mostly offered various …
Utvärdering av ny behandlingsmetod
… oxygen the Cr(VI) content increases during the first days from a few mg/kg dry substance to over 20 mg/kg dry substance, a level which was maintained during the rest of the experiment period. The content of Cr(VI) was almost constant at 4 mg/kg dry substance when oxygen was …
The aim of the study was to examine how substance abuse influences social relationships to families, friends and others. Five ex addicts in a treatment centre were interviewed. We used thematic interviews with themes that we regarded as relevant for our study. In the analysis we …
… a species. The reproductive system is very sensitive to exposure of chemical substances of anthropogenic origin. Humans release great amounts of chemical substances to the environment by our means of life and these substances have been proved to have a negative effect on the …
Synen på föräldraskap hos professionella som möter missbrukare.
Despite the fact that men dominate substance abuse research and that most programs to target substance abuse therefore are developed by and for men, very little is known about the fact that substance abusing men can also be parents. Mothers are up until today regarded as the …
… However, this requires a fast and simple in vivo-method for identification of substances containing pheromones. The aim of this study was to investigate whether a change in the heart rate of bulls is possible to use as an indicator, a so-called bioassay, for fast identification …
Granskning av tre centrala begrepp
Studiens syfte är att undersöka eventuella skillnader i användningen av tre centrala begrepp (missbruk, tungt missbruk samt öppenvård) inom missbruksvården. De frågeställningar som behandlas är; (I) Hur används de centrala begreppen; missbruk, tungt missbruk och öppenvård i …
Elevernas syn på lärarens brytning och dess påverkan i matematikundervisning
… a phenomenon which the relationship between the teacher's language accent and substance difficulties. The method used for data collection is questionnaires, in order to investigate the phenomenon as the relationship between the teacher's accent and substance difficulties. The …
… chemicals, a good control of them and an active work to phase out hazardous substances in all areas where chemicals are present, are needed. Banverket and Vägverket handle in production a wide range of chemical products. Many of the products are dangerous to the environment, for …
kontextualitet, platsbundenhet och innehåll
… space. My thesis is that graffiti art derives a great deal of its meaning and substance from its situation consequently making a change of cultural context also a change of connotation and understanding of the graffiti art itself. Meaning that graffiti art situated in a communal …
… it was possible to obtain a broad knowledge, which helped to choose the right substances to later use in testing on the different cardboard materials in question. Glues's survey resulted in a list of different substances that were relevant to the project. Some of the substances …
A wastewater treatment plant has the task to refine the wastewater from substances that should not be released into the environment. The decomposition process can, in a simple way, be described as follows: micro-organisms breathe oxygen and eat unwanted substances. The …
… and they were then treated orally by a veterinarian with either of the three substances. In addition, blood and faeces were collected and examined for the packed cell volume (PCV) and the number of parasite eggs per gram of faeces (EPG) both at the day of treatment plus at day …
