Sökning: "on the effect of variations"

Visar resultat 1 - 5 av 688 avhandlingar innehållade orden on the effect of variations.

  1. 1. On the fracture behaviour of softwood : a combined experimental and computational study of the interaction between fracture behaviour and material anatomy

    Författare :Lars Olof Jernkvist; Luleå tekniska universitet; []

    Sammanfattning : The propensity for fracture, i.e. failure through separation of the material, is a factor that must be regarded in the design of wooden structures, but also in wood machining operations and drying. LÄS MER

  2. 2. On the aetiology of ALS : a comprehensive genetic study

    Författare :Caroline Ingre; Peter M Andersen; Rayomand Press; Siddharthan Chandran; Umeå universitet; []
    Nyckelord :MEDICAL AND HEALTH SCIENCES; MEDICIN OCH HÄLSOVETENSKAP; MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; ALS; risk factor; VAPB; SOD1; amyotrophic lateral sclerosis; ATXN2; SMN1; SMN2; PFN1; 50 bp deletion in SOD1 promotor; population-specific genetic variations; Neurology; neurologi;

    Sammanfattning : Introduction: Amyotrophic lateral sclerosis (ALS) is a deadly, progressive neuromuscular disease that affects individuals all over the world. About 10% of the patients have a familial predisposition (FALS) while the remainder of cases are isolated or sporadic (SALS) and of unknown cause. LÄS MER

  3. 3. Sins of Omission and Commission : The Quality of Government and Civil Conflict

    Författare :Hanne Fjelde; Erik Melander; Kristian Gleditsch; Uppsala universitet; []
    Nyckelord :SOCIAL SCIENCES; SAMHÄLLSVETENSKAP; SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; civil conflict; civil war; quality of government; corruption; patronage politics; governance; authoritarian regimes; Nigeria; Peace and conflict research; Freds- och konfliktforskning; Peace and Conflict Research; freds- och konfliktforskning;

    Sammanfattning : Is the risk of civil conflict related to the quality of government? This dissertation contributes to the quantitative research on this topic. First, it provides a more nuanced account of the role of the government in influencing the risk of civil conflict. LÄS MER

  4. 4. Essays on the Evaluation of Public Policies

    Författare :Michihito Ando; Matz Dahlberg; Che-Yuan Liang; David Neumark; Uppsala universitet; []
    Nyckelord :SOCIAL SCIENCES; SAMHÄLLSVETENSKAP; SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Local income growth; Local employment; Nuclear power facilities; Synthetic control method; Quantitative case study; Regression kink design; Endogenous treatment; Intergovernmental grants; Flypaper effect; Treatment effect heterogeneity; Instrumental variable; Oral health; Dentures; Price elasticity; Regression discontinuity design; Cost sharing; Randomization test; Economics; Nationalekonomi;

    Sammanfattning : This thesis consists of four self-contained papers.Essay 1: This paper uses the synthetic control (SC) method to examine how the establishment of Nuclear Power Facilities (NPFs) in Japan in the 1970s and 1980s has affected local per capita income levels in the municipalities in which they were located (NPF municipalities). LÄS MER

  5. 5. Aspects of Vitamin D : Prevalence of deficiency and impact on musculoskeletal parameters

    Författare :Anne Björk; Östen Ljunggren; Gunnar Johansson; Andreas Kindmark; Anna Spångeus; Uppsala universitet; []
    Nyckelord :MEDICAL AND HEALTH SCIENCES; MEDICIN OCH HÄLSOVETENSKAP; MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Vitamin D; CYP2R1; Vitamin D receptor Gene; Polymorphisms; Muscle Strength; Endokrinologi och Diabetologi; Endocrinology and Diabetology;

    Sammanfattning : Vitamin D is central in calcium turnover, and adequate levels are important for skeletal health. It is not clear how large contributions from food and sunlight are in Swedish primary care patients, considering the low radiation of UVB in Sweden and fortification of some foods, and whether differences exist between patients of immigrant and Swedish origin. LÄS MER