单词	photolysis
释义	photolysis /fə(ʊ)ˈtɒlɪsɪs / noun [mass noun] Chemistry The decomposition or separation of molecules by the action of light.To the best of our knowledge, no spectral and compositional data have ever been directly and simultaneously obtained for anthracene photolysis in solid particulate matter.... These compounds are generated by photolysis of atoms and simpler chemical compounds. This reaction should take place in darkroom conditions to protect the aryl azide from photolysis. Derivatives photolyse /ˈfəʊtəlʌɪz/ verb ... But it would not take a very sophisticated knowledge of science to know that hydrogen couldn't be held by earth's gravity, and methane and ammonia would be photolysed quickly. Chan and co-workers synthesized a ‘caged’ unfolded version of the peptide that can be photolysed in neat water solution to initiate peptide folding. They measure free Ca2 + in the focal spot of a confocal microscope (with the resting beam) and elicit transients in free Ca2 + by photolysing DM-Nitrophen with a flash of UV light. photolytic /fəʊtəˈlɪtɪk/ adjective ... The first is the photolytic reaction of molecular oxygen to give atomic oxygen, which subsequently combines with another oxygen molecule to give ozone. This titration served to correlate pH values with Mb spectra in the photolytic acidifications. Unfortunately, a similar range of carotenoid photolytic cleavage products were also present in extracts of the leaves.
随便看	downcut downdraft downdraught downdrift Down East downer Downers Grove Downey downfall downfield downfold downforce downgrade downhaul downhearted downheartedly downheartedness downhill downhiller downhole down-home Downing Street down in the mouth downland downlevel

英语词典包含243303条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。