Search for dissertations about: "sample weight"

Showing result 1 - 5 of 184 swedish dissertations containing the words sample weight.

  2. 1. On-line Sample Pretreatment Based on Membrane Enrichment, Mainly Using Supported Liquid Membranes, for Chromatographic Analysis

    Author : Yin Shen; Centrum för analys och syntes; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Biological Sample; Environmental Sample; Capillary Gas Chromatography; Ion Chromatography; Automation; Sample Pretreatment; Enrichment; Membrane; Extraction; Analytical chemistry; Analytisk kemi;

    Abstract : The main objective of this work was to construct practical analytical systems for the analysis of environmental and biological samples, using membrane-based techniques for sample pretreatment and chromatography for final analysis. Two types of membrane processes have been applied, with emphasis on automation. READ MORE

  4. 2. Investigating the parameters that influence the behaviour of natural iron ores during the iron production process

    Author : Abraham Judah Bumalirivu Muwanguzi; Andrey V Karasev; Henrik Saxèn; KTH; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; natural iron ore; iron production; characterization; physical and metallurgical properties; sinter; pellet; direct reduction; low temperature degradation; sample weight; sample positioning; microstructure; reduction degree; solid conversion; Volumetric Model; Grain Model; Random Pore Model; Muko; Uganda;

    Abstract : In the iron production processes, sinters and pellets are mostly used as raw materials due to their consistency with respect to physical and chemical properties. However, natural iron ores, as mined, are rarely used directly as a feed material for iron processing. READ MORE

  5. 3. Social bodies : family and community level influences on height and weight, southern Sweden 1818-1968

    Author : Stefan Öberg; Göteborgs universitet; []
    Keywords : SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; height; weight; body mass index; demography; demographic history; anthropometry; anthropometric history; standards of living; socioeconomic status; socioeconomic differences; resource dilution hypothesis; infant mortality; early life;

    Abstract : This dissertation consists of an introduction, four research papers and one paper describing the data I collected for the studies and how I conducted the study. I collected information on men from conscript inspection lists and linked this to a sample of men in the Scanian Economic Demographic Database (SEDD) born between 1797 and 1950. READ MORE

  6. 4. Disordered eating in a community sample of Swedish adolescent girls

    Author : Njördur Viborg; Institutionen för psykologi; []
    Keywords : SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; eating disorders; disordered eating; adolescent girls; longitudinal design; community sample;

    Abstract : Previous research has described that disordered eating (DE) is common in adolescents, especially in girls. DE is defined as maladaptive behaviours (e.g., vomiting) and negative attitudes toward eating and one’s body shape, appearance, and weight. READ MORE

  7. 5. Weight history, low birth weight, alcohol consumption and type 2 diabetes

    Author : Sofia Carlsson; Karolinska Institutet; Karolinska Institutet; []
    Keywords : ;

    Abstract : Type 2 diabetes is an increasing public health problem, currently affecting about 3-4% of the Swedish population. A worldwide increase in the prevalence of the disease has been demonstrated and preventive strategies are needed to turn this trend. READ MORE