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...
充满敬畏的人群安静地聆听。The crowd listened in awed silence.祖父是全家所崇拜、敬畏的人,常常带着凛然不可侵犯的神气.A severe , forbidding man whom all feared and respected.爱尔兰的教堂一直掌握着令人敬畏的权力。The church in Ireland has always exercised an awesome power....