The reaction of methylene radicals in their 3 B1 electronic ground state with molecular NO was studied. Pure CH2(X 3 B1 ) radicals were prodced by UV photolysis of ketene at 351 nm.The products were measured by Time-R...The reaction of methylene radicals in their 3 B1 electronic ground state with molecular NO was studied. Pure CH2(X 3 B1 ) radicals were prodced by UV photolysis of ketene at 351 nm.The products were measured by Time-Resolved Fourier Transform Infrard (TR-FTIR) spectrometer. CO.OH .NH2 and HOCN or its isomer HNCO were found as primary prodcts and several possible channels of this reaction were suggested.展开更多
Nitrous oxide (N<sub>2</sub>O) is one of important trace gases in the atmosphere. It acts not only as a greenhouse gas which affects climate change, but also as a source of NO which causes the depletion ...Nitrous oxide (N<sub>2</sub>O) is one of important trace gases in the atmosphere. It acts not only as a greenhouse gas which affects climate change, but also as a source of NO which causes the depletion of ozone layer. Therefore, study on the sources of N<sub>2</sub>O and the mixing ratio of N<sub>2</sub>O in the atmosphere is an interesting research project in atmospheric science.The emission fluxes of N<sub>2</sub>O in agriculture field and forest soil, and the emission of N<sub>2</sub>O from coal burning and biomass burnig have been investigated in China. But展开更多
文摘The reaction of methylene radicals in their 3 B1 electronic ground state with molecular NO was studied. Pure CH2(X 3 B1 ) radicals were prodced by UV photolysis of ketene at 351 nm.The products were measured by Time-Resolved Fourier Transform Infrard (TR-FTIR) spectrometer. CO.OH .NH2 and HOCN or its isomer HNCO were found as primary prodcts and several possible channels of this reaction were suggested.
文摘Nitrous oxide (N<sub>2</sub>O) is one of important trace gases in the atmosphere. It acts not only as a greenhouse gas which affects climate change, but also as a source of NO which causes the depletion of ozone layer. Therefore, study on the sources of N<sub>2</sub>O and the mixing ratio of N<sub>2</sub>O in the atmosphere is an interesting research project in atmospheric science.The emission fluxes of N<sub>2</sub>O in agriculture field and forest soil, and the emission of N<sub>2</sub>O from coal burning and biomass burnig have been investigated in China. But