1.It further proved that triphosgene replacing the deadly phosgene and diphosgene is feasible.

1.一步证明了三光气代替剧毒光气和双光气可行性。

2.This paper reviews the research and development of phosgene Derivates,including diphenyl ketone,chlorocarbonate,isocya-nate,acyl chloride and carbonates.

2.本文综述了光气下游精细化学发生,包括二苯甲酮类、氯代甲酯类、异氰酸酯类、酰氯类、碳酸酯类化合物。

3.The article is about how to use phosgene and p-nitrophenylamine to react in acetic ether's liquefier to produce p-nitro-phenyl isocyanate, Its best technological condition have been discussed.

3.介绍用光气和对硝基苯胺在乙酸乙酯溶剂中反应来制备对硝基异氰酸苯酯方法，并讨论了其最佳工艺条件。