Methods To aggregate analyse the clinical symptoms, signs, the changes of arterial blood gas and lung imaging and so on of 19 acute phosgene poisoning patients.

方法对19例急性光气中毒患者的临床症状、体征、动脉血气变化和肺影像学改变等临床资料进行综合分析。

youdao

The invention relates to a method for producing isocyanates by reacting the corresponding amines with phosgene, optionally in the presence of at least one inert medium, in the gas phase.

本发明涉及一种在气相中，任选在至少一种惰性介质存在下，使相应的胺与光气反应而生产异氰酸酯的方法。

youdao