Jung Lu wrote me a poem once.荣路有一次给我写了一首诗。Lu Hsun attained a high position in the republic of letters.鲁迅在文坛上获得崇高的地位.Lu Shun's plays always act well.鲁迅的剧本上演的效果总是良好....
The production methods of N, N - dimethylaniline including liquid - phase and gas - phase method are introduced.介绍了N, N- 二甲基苯胺的两种生产方法 —— 液相法和气相法,综述了N, N-二甲基苯胺国内外生产工艺进展.A HPLC method with electrochemical detector for dete...