Sökning: "critical levels"

Visar resultat 1 - 5 av 955 avhandlingar innehållade orden critical levels.

  1. 1. Critical loads - assessment of uncertainty

    Författare :Andreas Barkman; Avdelningen för kemiteknik; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; landscape planning; regionalisation; forestry; BC Al; sensitivity analysis; risk assessment; Monte Carlo simulation; PROFILE; critical level; exceedance; Acidification; forest soil; policy; EMEP; GIS.; Chemical technology and engineering; Kemiteknik och kemisk teknologi;

    Sammanfattning : The effects of data uncertainty in applications of the critical loads concept were investigated on different spatial resolutions in Sweden and northern Czech Republic. Critical loads of acidity (CL) were calculated for Sweden using the biogeochemical model PROFILE. LÄS MER

  3. 2. Risks Related to the Use of Software Tools when Developing Cyber-Physical Systems : A Critical Perspective on the Future of Developing Complex, Safety-Critical Systems

    Författare :Fredrik Asplund; Martin Törngren; Jad El-Khoury; John McDermid; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Automation; Certification; Process Risks; Safety; Safety-Critical; Standards; Support Environments; Tool Integration; Machine Design; Maskinkonstruktion;

    Sammanfattning : The increasing complexity and size of modern Cyber-Physical Systems (CPS) has led to a sharp decline in productivity among CPS designers. Requirements on safety aggravate this problem further, both by being difficult to ensure and due to their high importance to the public. LÄS MER

  4. 3. Från ”tyst vår” till ”hållbar utveckling” : En kritisk diskursanalys av miljöfrågans utveckling 1962–1987

    Författare :Eduardo Medina; Kerstin Jacobsson; Rafael Lindqvist; Johan Hedrén; Uppsala universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Environment; discourse; environmental discourse; critical discourse analysis; ideology; hegemony; institutionalization; sustainable development; ecological modernization; critical realism; world-system; Miljö; diskurs; miljödiskurs; kritisk diskursanalys; ideologi; hegemoni; institutionalisering; hållbar utveckling; ekologisk modernisering; kritisk realism; världssystem; Medio ambiente; discurso; discurso medioambiental; análisis crítico del discurso; ideología; hegemonía; institucionalización; desarrollo sostenible; modernización ecológica; realismo crítico; sistema-mundo; Sociologi; Sociology;

    Sammanfattning : This dissertation studies the development of the environmental issue from a discursive perspective. Through an analysis of views on nature and the environment in several NGOs and main political organs, the dissertation tries to explain how a certain view became hegemonic. LÄS MER

  5. 4. Calcium metabolism and cytokines in critical illness

    Författare :Fredrik Carlstedt; Uppsala universitet; []
    Nyckelord :Medical sciences; calcium; critical illness; hemodynamics; hypocalcemia; IL-6; mortality; TNF-alpha; severity of disease; sepsis; MEDICIN OCH VÅRD; MEDICINE; MEDICIN; Medicine; medicin;

    Sammanfattning : Hypocalcemia is a common finding in critically ill patients, particularly in those with sepsis, and has been found to be associated with increased mortality. The pathogenesis of this altered calcium metabolism is unknown and the effects of calcium supplementation are poorly investigated. LÄS MER

  7. 5. Synthesis of Safety-Critical Real-Time Systems

    Författare :Yuanbin Zhou; Zebo Peng; Petru Ion Eles; Soheil Samii; Luis Almeida; Linköpings universitet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Safety-Critical Systems; Real-Time Systems; Time-Sensitive Networking; Mixed-Criticality Systems;

    Sammanfattning : Modern safety-critical real-time systems are becoming more and more complex, due to sophisticated applications such as advanced driving assistance, automated driving, advanced infotainment, and applications involving machine learning and deep learning. This has led to increased requirements for the communication infrastructures. LÄS MER