Sökning: "safety margin"

Visar resultat 11 - 15 av 38 avhandlingar innehållade orden safety margin.

  1. 11. Transmutation of Americium in Fast Neutron Facilities

    Författare :Youpeng Zhang; Janne Wallenius; Sandra Dulla; KTH; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; americium; transmutation; fast reactor; Nuclear physics; Kärnfysik; TECHNOLOGY; TEKNIKVETENSKAP;

    Sammanfattning : In this thesis, the feasibility to use a medium sized sodium cooled fast reactor fully loaded with MOX fuel for efficient transmutation of americium is investigated by simulating the safety performance of a BN600-type fast reactor loaded with different fractions of americium in the fuel, using the safety parameters obtained with the SERPENT Monte Carlo code. The focus is on americium mainly due to its long-term contribution to the radiotoxicity of spent nuclear fuel and its deterioration on core's safety parameters. LÄS MER

  3. 12. Minimizing Risks and Morbidity in Live Kidney Donors

    Författare :Ali-Reza Biglarnia; Jonas Wadström; Gunnar Tufveson; Tomas Lorant; Ingela Fehrman-Ekholm; Uppsala universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; live donors; morbidity; GFR; donor nephrectomy; postoperative pain treatment; venous thromboembolism; HARS; Transplantation surgery; Transplantationskirurgi; Medicin; Medicine;

    Sammanfattning : Live kidney donors are healthy volunteers who are exposed to major surgical procedure and physical harms with no direct therapeutic benefits. Efforts to minimize their risks and morbidity are therefore of utmost importance. LÄS MER

  4. 13. Systeminriktad prevention av järnvägssjälvmord : Strategiutveckling i en svensk kontext

    Författare :Helena Rådbo; Ragnar Andersson; Inge Svedung; Jan Beskow; Karlstads universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; railway suicide; railway suicide prevention; barrier; accident analysis; Public health science; Folkhälsovetenskap; Public Health Science; Folkhälsovetenskap;

    Sammanfattning : Railway suicide constitutes a limited but significant fraction of all suicides, and a majority of all railway-related deaths, in Sweden as well as in many other countries. The aim of this thesis is to develop the scientific basis for the prevention of railway suicide, with special regard to knowledge and strategies within the reach of the railway system owners themselves. LÄS MER

  5. 14. Prevention of cervical cancer in countries with high and low incidence of the disease

    Författare :Susanna Alder; Karolinska Institutet; Karolinska Institutet; []
    Nyckelord :;

    Sammanfattning : Cervical cancer is to a large extent a preventable disease, through prophylactic human papillomavirus (HPV) vaccination and cervical cancer screening. Still, it is the second most common cancer among women in Argentina, with unchanged mortality rates for the last 30 years, due to the absence of organized screening. LÄS MER

  7. 15. Human exposure to persistent organic pollutants : Illustrated by four case studies in Europe

    Författare :Jana Weiss; Åke Bergman; Janice Huwe; Stockholms universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Human exposure; Persistent organic pollutants POPs ; Environmental chemistry; Miljökemi;

    Sammanfattning : An extensive use of chemicals in countless consumer products has resulted in human exposure to several persistent organic pollutants (POPs). Sufficient knowledge about their chemical composition properties and environmental faith is required, to be able to proper risk assess and regulate the substances. LÄS MER