Sökning: "JDC model"

Hittade 3 avhandlingar innehållade orden JDC model.

  1. 1. The Jovian Plasma Dynamics and Composition Analyzer (JDC) for ESA's JUICE Mission

    Författare :Philipp Wittmann; Martin Wieser; Stas Barabash; Krister Wiklund; Frédéric Allegrini; Umeå universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; JUICE mission; positive ions; negative ions; electrons; time-of-flight; time-of-arrival; PEP; JDC; CEM; channel electron multiplier; pressure; instrument development; calibration; TOF; TOA; fysik; Physics; rymd- och plasmafysik; Space and Plasma Physics;

    Sammanfattning : This dissertation covers the development and calibration of the Jovian plasma Dynamics and Composition analyzer (JDC). JDC is together with five other sensors a part of the Particle Environment Package (PEP), one of the payloads of the European Space Agency's JUpiter ICy moons Explorer (JUICE) mission. LÄS MER

  3. 2. The importance of organizational characteristics for psychosocial working conditions and health

    Författare :Malin Bolin; Björn Halleröd; Staffan Marklund; Annika Härenstam; Birgitta Eriksson; Umeå universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Organization; workplace; bureaucracy; post-bureaucracy; psychosocial working conditions; JDC model; multilevel analysis; health; sickness absence; Sociology; Sociologi; sociologi; Sociology;

    Sammanfattning : The importance of organizations for understanding differences in the working conditions and health of employees is often emphasized but rarely explored empirically. The general aim of this thesis is to describe organizational characteristics of workplaces, and to assess their impact on the psychosocial working conditions and health of employees. LÄS MER

  4. 3. Externally assessed psychosocial work characteristics : a methodological approach to explore how work characteristics are created, related to self-reports and to mental illness

    Författare :Kerstin Waldenström; Karolinska Institutet; Karolinska Institutet; []
    Nyckelord :Psychosocial work characteristics; exposure assessment; overreporting; psychological well-being; anxiety; depression; work organisation; action strategies; action theory;

    Sammanfattning : The general aim of this thesis was to add knowledge to the area of measurement issues of psychosocial work characteristics and job design by using a more objective methodological approach. Expert assessments were made through direct observations and interviews and are a theory guided nonemotional description that is independent of the specific individuals social or cultural frame of reference. LÄS MER