Sökning: "Patrik Karlsson"

Visar resultat 6 - 10 av 23 avhandlingar innehållade orden Patrik Karlsson.

1. 6. Margins of Prevention : - On Older Adolescents' Positive and Negative Beliefs about Illicit Drug Use

   Författare :Patrik Karlsson; Anders Bergmark; Edle Ravndal; Stockholms universitet; []
   Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Illicit drugs; adolescents; prevention; margins for change; beliefs; perceptions; expectancies; positive; negative; risk; pleasure; Sweden; Social work; Socialt arbete;

   Sammanfattning : This study explores older adolescents’ positive and negative beliefs about illicit drug use from a preventive perspective. By positive beliefs is meant positive expectancies and benefit perceptions. By negative beliefs is meant negative expectancies and risk perceptions. LÄS MER

3. 7. Surface Science Studies of Metal Oxides Formed by Chemical Vapour Deposition on Silicon

   Författare :Patrik Karlsson; Anders Sandell; Håkan Rensmo; Marcus Bäumer; Uppsala universitet; []
   Nyckelord :Physics; chemical vapour deposition; high-k; metal oxides; silicon; dye-solid interface; metal organic; electron spectroscopy; scanning tunnelling microscopy; Fysik;

   Sammanfattning : For an electronic device well-designed interfaces are critical for the performance. Studies of interfaces down to an atomic level are thus highly motivated both from a fundamental and technological point of view. LÄS MER

4. 8. The early stage of galling

   Författare :Patrik Karlsson; Pavel Krakhmalev; Anders Gåård; Braham Prakash; Örebro universitet; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Galling; Stainless steel; Tool steel; Friction; Sliding wear; SOFS; Tribology; Wear; Materialteknik; Materials Engineering;

   Sammanfattning : In sheet metal forming (SMF) of materials such as stainless steels there is a major problem with transfer and accumulation of sheet material to the metal forming tool surface. The problem is known as galling; a kind of severe adhesive wear, which results in severe scratching of produced parts. LÄS MER

5. 9. The influence of tool steel microstructure on galling

   Författare :Patrik Karlsson; Pavel Krakhmalev; Anders Gåård; Bojan Podgornik; Karlstads universitet; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Galling; Microstructure; Material transfer; Tool steel; Stainless steel; Metall transfer; Materialteknik; Materials Engineering;

   Sammanfattning : In sheet metal forming (SMF) of materials such as stainless steels there is a major problem with transfer and accumulation of sheet material to the metal forming tool surface. The problem is known as galling; a sort of severe adhesive wear, which results in severe scratching of produced parts. LÄS MER

7. 10. Clinical potential of the mTOR effectors S6K1, S6K2 and 4EBP1 in breast cancer

   Författare :Elin Karlsson; Olle Stål; Anna-Lotta Hallbeck; Patrik Lundström; Catharina Larsson; Linköpings universitet; []
   Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES;

   Sammanfattning : The prognosis of patients diagnosed with breast cancer has been considerably improved in the latest 25 years, as a result of continuous development of diagnostics and treatment regimens. Though, tumour diseases, for woman mainly lung cancer and breast cancer, still constitute of the most common causes of death in developed countries, following heart diseases. LÄS MER