Sökning: "Tool Stress"

Visar resultat 1 - 5 av 363 avhandlingar innehållade orden Tool Stress.

  1. 1. Tool steel for tool holder applications : microstructure and mechanical properties

    Författare :Anna Medvedeva; Jens Bergström; Birger Karlsson; Karlstads universitet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; tool steel; tool holder; microstructure; mechanical properties; machinability; Materials science; Teknisk materialvetenskap;

    Sammanfattning : Large improvements in cutting tool design and technology, including the application of advanced surface engineering treatments on the cemented carbide insert, have been achieved in the last decades to enhance tool performance. However, the problem of improving the tool body material is not adequately studied. LÄS MER

  3. 2. Performance of advanced tool steels for cutting tool bodies

    Författare :Anna Medvedeva; Jens Bergström; Pavel Krakhmalev; Staffan Gunnarsson; Volker Schulze; Karlstads universitet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; tool steel; cutting tool body; fatigue strength; stress relaxation; machinability; high-temperature properties; microstructure; Materials science; Teknisk materialvetenskap; Materialteknik; Materials Engineering;

    Sammanfattning : Performance of indexable insert cutting tools is not only about the performance of cutting inserts. It is also about the cutting tool body, which has to provide a secure and accurate insert positioning as well as its quick and easy handling under severe working conditions. LÄS MER

  4. 3. Stress Management Interventions and Predictors of Long-term Health : Prospectively Controlled Studies on Long-term Pain Patients and a Healthy Sample from IT- and Media Companies

    Författare :Dan Hasson; Ulla Maria Anderberg; Töres Theorell; Ulf Lundberg; Uppsala universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Social medicine; stress; health promotion; stress management; public health; psychosocial; self-rated health; pain; intervention; web; Internet; TNF-alpha; DHEA; NPY; CgA; Socialmedicin; Social medicine; Socialmedicin;

    Sammanfattning : This thesis reports on the effects of stress management on long-term pain patients and on a healthy sample from IT and media companies; two groups that are commonly exposed to high stress levels. Even if there are important differences between these two groups, there are similarities such as the necessity for effective stress management. LÄS MER

  5. 4. Chronic stress and intestinal barrier function: Implications for infection and inflammation in intensive salmon aquaculture

    Författare :Henrik Sundh; Göteborgs universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Intestinal barrier function; stress; cortisol; Ussing chamber; welfare; health; inflammation; neutrophils; cytokines; chronic stress;

    Sammanfattning : Aquaculture is a fast growing food-producing sector worldwide. This has increased the awareness among the public as well as governments of the need to secure the welfare and health of farmed fish. Atlantic salmon is, in non-Asian countries, one of the most successful aquacultured species. LÄS MER

  7. 5. Assessment and treatment of mental health problems in primary care : The course and results of Internet-based CBT and physical exercise on psychological functioning, stress and sleep

    Författare :Catharina Strid; Institutionen för psykologi; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; mental health problems; primary care; psychological function; OQ-45; stress; sleep; Interactive Voice Response; depression; Internet-based CBT; physical exercise; hazardous drinking; psykisk ohälsa; primärvården; psykologisk funktion; OQ-45; stress; sömn; Interactive Voice Response; depression; Internet-baserad KBT; fysisk träning; riskkonsumtion av alkohol;

    Sammanfattning : The present thesis comprises three studies carried out within REGASSA, a multicenter randomized controlled trial in primary care. In the REGASSA study a 12 week treatment of mild to moderate depression and stress-related mental Health problems using Internet-based cognitive behavioural therapy (ICBT) and physical exercise (PE) was compared with treatment as usual (TAU). LÄS MER