نتایج جستجو برای: organometal molecules
تعداد نتایج: 193265 فیلتر نتایج به سال:
The insertion of an olefinic C=C bond into a metal-carbon bond is of potential interest as a preparativeroute to new products and as results of C-C coupling reactions to organic compounds. The allyl compoundsof Mg, react with an olefin by inversion of the allyl group via a six center transition state. These precyclicreactions may be one of the most important classes of organic reactions. The re...
platelet activation and adhesion to the site of vascular injury is a dynamic process comprising reversible and irreversible phases. platelet adhesion typically occurs in a multi-step process similar to the selectin/integrin-mediated adhesion of neutrophils. this phenomenon is highly regulated and influenced by the cross-talk between platelets and injured endothelium. this cross-talk involves a ...
The invention of the laser in 1960 gave us ruby laser, which generally produced chaotic pulses light. Six years later, 1966, a concept called passive mode-locking applied to neodymium-glass lasers reasonably well-behaving picosecond pulses. This triggered an intense activity, with respect developing improved pulse sources, measurement techniques, and application chemistry, physics, biology. Ini...
Quantum dot and well architectures are attractive for infrared optoelectronics, and have led to the realization of compelling light sensors. However, they require well-defined passivated interfaces and rapid charge transport, and this has restricted their efficient implementation to costly vacuum-epitaxially grown semiconductors. Here we report solution-processed, sensitive infrared field-emiss...
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