Sökning: "lennart lundgren"

Hittade 5 avhandlingar innehållade orden lennart lundgren.

1. 1. Large organic aerosols in a human exposure chamber : applications in occupational dermatology and lung medicine

   Författare :Lennart Lundgren; Karolinska Institutet; Karolinska Institutet; []
   Nyckelord :Aerosol; bakery dust; bronchoalveolar lavage; chamber design; dermal exposure; exposure chamber; inhalation; large organic aerosols; mannequin; neutralizer; particle size; pinewood dust; skin;

   Sammanfattning : Exposure to large organic aerosol particles may cause respiratory and skin reactions. The use of human exposure chambers offers possibilities for experimental exposure challenges carried out with patients, in research and for investigations of the effects of exposure on the skin and in the respiratory tract. LÄS MER

3. 2. Aspects of interferon alpha signalling in hematopoetic cells

   Författare :Lennart Carlsson; erik lundgren; Ulrich Kalinke; Umeå universitet; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Molecular biology; interferon; human; B-lymphocyte; survival; proliferation; myeloma; Molekylärbiologi; Molecular biology; Molekylärbiologi; molekylärbiologi; Molecular Biology;

   Sammanfattning : The type I interferons (IFN) are a family of cytokines with pleiothropic activities that include inhibition of viral replication, cell proliferation and activation of the immune system. These properties give the IFNs important physiological and pathological roles in infection and cancer and have led to their therapeutic use for many clinical conditions. LÄS MER

4. 3. Rotavirus Disease Mechanisms Diarrhea, Vomiting and Inflammation : How and Why

   Författare :Marie Hagbom; Lennart Svensson; Karl-Eric Mangusson; Ove Lundgren; Niklas Arnberg; Linköpings universitet; []
   Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES;

   Sammanfattning : Rotavirus infections cause diarrhea and vomiting that can lead to severe dehydration. Despite extensive tissue damage and cell death, the inflammatory response is very limited. LÄS MER

5. 4. Anchorage in Concrete Structures : Numerical and Experimental Evaluations of Load-Carrying Capacity of Cast-in-Place Headed Anchors and Post-Installed Adhesive Anchors

   Författare :Rasoul Nilforoush; Lennart Elfgren; Norbert Randl; Karin Lundgren; Manouchehr Hassanzadeh; Richard Malm; Lars-Erik Persson; Luleå tekniska universitet; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Headed anchor; Anchor bolt; Adhesive anchor; Concrete cone breakout; Concrete splitting; Pullout loading; Size effect; Member thickness; Anchor head size; Orthogonal surface reinforcement; Concrete Strength; High-strength concrete; Cracked concrete; Steel fiber-reinforced concrete; Sustained loading; Creep behavior; Structural Engineering; Konstruktionsteknik;

   Sammanfattning : Various anchorage systems including both cast-in-place and post-installed anchors have been developed for fastening both non-structural and structural components to concrete structures. The need for increased flexibility in the design of new structures and strengthening of existing concrete structures has led to increased use of various metallic anchors in practice. LÄS MER

7. 5. A Traffic Simulation Modeling Framework for Rural Highways

   Författare :Andreas Tapani; Jan Lundgren; Karl-Lennart Bång; Linköpings universitet; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Traffic; Micro; Simulation; Model; Overtaking; Speed; Headway; Rural road; Electronic driving aid; Mathematical model; Road: Traffic theory; Road: Traffic theory; Other technology;

   Sammanfattning : Models based on micro-simulation of traffic flows have proven to be useful tools in the study of various traffic systems. Today, there is a wealth of traffic microsimulation models developed for freeway and urban street networks. The road mileage is however in many countries dominated by rural highways. LÄS MER