Search for dissertations about: "neighbouring group participation"

Found 2 swedish dissertations containing the words neighbouring group participation.

2. 1. An Environmental Approach to PVC Stabilisation

   Author : Paul Clucas; Chalmers tekniska högskola; []
   Keywords : NATURVETENSKAP; NATURAL SCIENCES; organic stabiliser; base catalysed dehydrochlorination; colour improvement ; dehydrochlorination stability; polymer-bound stabiliser; intrasequence lactonisation; co-stabiliser; PVC stabilisation; colour stability; labile chlorine substitution; neighbouring group participation;

   Abstract : We were interested in investigating the stabilisation behaviour of 6-aminouracils, a new class of heavy metal free thermo-stabiliser for PVC. We have therefore investigated the performance and mechanism of stabilisation for 1,3-dibutyl-6-aminouracil, both alone, and in combination with a sodium perchlorate co-stabiliser. READ MORE

4. 2. Muscle function and physical activity in pre-pubertal school children

   Author : Susanna Stenevi Lundgren; Ortopedi - klinisk och molekylär osteoporosforskning; []
   Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; children; physical activity; exercise; isokinetic muscle strength; vertical jump height; normative; intervention; school transport; DXA; anthropometry; fat mass; lean mass; weight; height; body mass index; girls; boys; pre-pubertal;

   Abstract : Background: Regular participation in physical activity or organized exercise is regarded as one important lifestyle factor that could improve musculoskeletal health, fitness and body composition. For children and adolescents physical activity is important not only in training of the neuromuscular system, coordination and balance, but in a wider perspective, for adopting a lifestyle that possibly reduces the risk of coronary artery disease, obesity, osteoporosis and other contributors to morbidity and mortality in the population. READ MORE