苏格兰人喜欢鸣钟送旧.The Scots like to ring out the Old Year.全国为国王之死而鸣钟.Bells were tolled all over the country at the King's death.全国为总统逝世而鸣钟.Bells were tolled all over the country at the President's death....
间苯二酚和 2- 硝基二苯胺可用作安定剂.Resorcinol and 2 - nitrodiphenylamine may be used as stabilizers.研究了含二苯胺硝化棉的生物降解特性.Biodegradability of the nitrocellulose with diphenylamine was investigated in this paper.本文主要用分光光度法研究[Ir ( NO ) Cl_5...