Sökning: "wang lund"

Visar resultat 1 - 5 av 7 avhandlingar innehållade orden wang lund.

1. 1. Dual-ion Conducting Nanocompoiste for Low Temperature Solid Oxide Fuel Cell

   Författare :Xiaodi Wang; Mamoun Muhammed; Zhu Bin; Peter Lund; KTH; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Fuel cell; Nano; Composite; Conducting; Electrolyte; SRA - Energy; SRA - Energi;

   Sammanfattning : Solid oxide fuel cells (SOFCs) are considered as one of the most promising power generation technologies due to their high energy conversion efficiency, fuel flexibility and reduced pollution. There is a broad interest in reducing the operating temperature of SOFCs. LÄS MER

3. 2. Time-Resolved Diffraction Studies of Structural Dynamics in Solids

   Författare :Xiaocui Wang; Atomfysik; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Time-resolved X-ray diffraction; phonons; photo-acoustic transducer; electron diffusion; pressure wave; non-thermal melting; Fysicumarkivet A:2019:Wang;

   Sammanfattning : Studies of the structural dynamics of solids can improve our understanding of atomic motion in materials, and may thus help in the manufacture of new devices or the development of materials with novel structures and properties. Ultrashort laser pulses, a few tens of femtoseconds long, can deliver high energies (mJ–kJ). LÄS MER

4. 3. Expression and Regulation of P2 Receptors in Human Circulation

   Författare :Lingwei Wang; Sektion II; []
   Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Western blotting; Cardiovascular system; Kardiovaskulära systemet; vascular remodeling; systemic lupus erythematosus; smooth muscle cell; shear stress; real-time PCR; platelets; P2 receptor; gene expression; erythrocyte; ATP release; endothelium;

   Sammanfattning : P2 receptors mediate the actions of the extracellular nucleotides ATP, ADP, UTP and UDP regulating several physiological responses including cardiac function, vascular tone, smooth muscle cell (SMC) proliferation, platelet aggregation, and the release of endothelial factors. The aim of the present study was to investigate the mRNA and protein expression of P2 receptors in human SMCs, endothelial cells (ECs), erythrocytes and platelets, the regulation of P2 receptors under shear stress in human vessels, the changes of platelet P2 receptors in patients with systemic lupus erythematosus (SLE) and the regulation of plasma ATP levels by P2 receptor on erythrocytes. LÄS MER

5. 4. Development and application of laser diagnostics - from laboratory devices towards practical combustion engines

   Författare :Zhenkan Wang; Förbränningsfysik; []
   Nyckelord :Combustion diagnostics; Laser induced fluorescence LIF ; Ultra-high-speed; Burst-mode laser; Ballistic imaging; Particle imaging velocimetry; Laser Doppler anemometry; Turbulent premixed combustion; Plasma; Internal combustion engine; Partially premixed combustion PPC ; Auto-ignition; OH radical; CH2O formaldehyde ; Fysicumarkivet A:2018:Wang;

   Sammanfattning : For many decades, research work on combustion has been focused on improving combustion efficiency and reducing harmful emissions. Laser diagnostics is one of the best ways to investigate the combustion process and emission formation as it is non-intrusive and it has high spatiotemporal resolution. LÄS MER

7. 5. Inside the Box - Cultures of Innovation in a Mature Industry

   Författare :Yaqian Wang; Institutet för Ekonomisk forskning; []
   Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Innovation; Organizational Culture; Innovation Culture; Dynamics; Mature Industry;

   Sammanfattning : Innovation has been regarded a crucial means by which organizations adapt to the changes in the environment. Previous studies have identified organizational culture as a key factor that influences innovation, suggesting that a culture with certain characteristics can lead to superior innovation performance. LÄS MER