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永利皇宫网址:Fire without smoke

发布时间:2019-03-08 10:04:03来源:未知点击:

A spin-off from high-nitrogen explosives research could lead to almost smoke-free fireworks, say chemists at the Los Alamos National Laboratory in New Mexico. Michael Hiskey and his colleagues have created low-smoke pyrotechnics using the high-nitrogen compound 3,6-dihydrazino-s-tetrazine,