Sökning: "Björn M. Johansson"

Hittade 4 avhandlingar innehållade orden Björn M. Johansson.

  1. 1. Surface and colloid chemistry of flotation deinking

    Författare :Björn M. Johansson; KTH; []
    Nyckelord :;

    Sammanfattning : This study has been concentrated on explaining the surfacechemical phenomena that occur during the agglomeration andflotation of ink particles. The mechanism of agglomeration ofink particles in a calcium-fatty acid collector system has beenstudied. LÄS MER

  3. 2. Studies of the relationship between aid and trade and the fiscal implications of emigration and HIV/AIDS interventions

    Författare :Lars M. Johansson; Harry Flam; Kjetil Storesletten; Björn Gustafson; Stockholms universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Economics; Nationalekonomi; Economics; nationalekonomi;

    Sammanfattning : This thesis consists of three studies; two on fiscal effects of demographic change and one on the correlation between international aid and trade flows.  Fiscal Implications of Emigration. This study examines the fiscal effects of emigration. A dynamic macroeconomic framework is used. LÄS MER

  4. 3. The Human Y chromosome and its role in the developing male nervous system

    Författare :Martin M. Johansson; David Skuse; Uppsala universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; MSY; sex differences; CNV; SNP; palindrome; palindromes; gr gr duplication; gr gr deletion; b2 b3 deletion; b2 b3 duplication; blue-grey duplication; blue-grey like duplication; IR2; U3; STS; AZFa; AZFb; AZFc; Olivary nucleus; Medulla oblongata; spinal cord; white matter; Affymetrix 6.0; embryo; embryonal; haplogroup; haplogroups; R1a; R1b; R-M207; E-M96; I-M170; J-M304; G-M201; Ashkenazi; Bolivian; Chinese; SNP array; padlock probing; AMY-tree; Biologi med inriktning mot zoologisk utvecklingsbiologi; Biology with specialization in Animal Development;

    Sammanfattning : Recent research demonstrated that besides a role in sex determination and male fertility, the Y chromosome is involved in additional functions including prostate cancer, sex-specific effects on the brain and behaviour, graft-versus-host disease, nociception, aggression and autoimmune diseases. The results presented in this thesis include an analysis of sex-biased genes encoded on the X and Y chromosomes of rodents. LÄS MER

  5. 4. Theoretical studies of the coupling between electronic, vibrational, configurational and structural effects in metal borides

    Författare :Erik Johansson; Björn Alling; Johanna Rosén; Paul Erhart; Linköpings universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES;

    Sammanfattning : This thesis addresses theoretical studies of the coupling between electronic, vibrational, configurational and structural degrees of freedom in metal borides. The effect of external conditions of temperature, pressure and composition on the interplay between internal degrees of freedom is investigated. LÄS MER