Sökning: "Retention"
Visar resultat 21 - 25 av 845 avhandlingar innehållade ordet Retention.
21. Function and dynamics of woody debris in boreal forest streams
Sammanfattning : The work in this thesis deals with (1) the effects of woody debris on stream channel morphology and retention of organic material, and (2) the dynamics of woody debris and its relation to riparian forest history and composition. The studied stream reaches are situated in mature, productive forests in the boreal zone of Sweden. LÄS MER
22. A National Swedish Methadone Program 1966-1989
Sammanfattning : Methadone Maintenance treatment of compulsive opioid addiction was started by the study of Dole and Nyswander (1965) and has subsequently been replicated in programs throughout the world. Methadone treatment has become the most effective modality for the treatment of chronic heroin addiction. LÄS MER
23. Health workforce development post-1990s health sector reforms : the case of medical doctors in Tanzania
Sammanfattning : Background: Health systems in many low- and middle-income countries suffer from critical shortages and inequitable geographical distribution of the health workforce. Since the 1940s, many low- and middle-income countries have passed through different regimes of health sector reforms; the most recent one was in the 1990s. LÄS MER
24. Atherogenic lipoproteins and their interaction with proteoglycans
Sammanfattning : Atherosclerosis is a multi-factorial disease and its pathogenesis is still unclear. However, accumulating evidence during recent years has led to the concept that subendothelial retention of atherogenic lipoproteins is the initiating event in atherogenesis. LÄS MER
25. Growth rate control of periplasmic product retention in Escherichia coli
Sammanfattning : The recombinant product is secreted to the periplasm in many processes where E. coli is used as host. One drawback with secretion is the undesired leakage of the periplasmic products to the medium. The aim of this work was to find strategies to influence the periplasmic retention of recombinant products. LÄS MER