nitrous

The order of preference of inhalant anesthetics for euthanasia is halothane, enflurane, isoflurane, sevoflurane, methoxyflurane, and desflurane, with or without nitrous oxide.

对安乐死比较好吸入麻醉药剂主要有：氟，恩氟，异氟，七氟，氟，以及地氟伴有或者不伴有一化二氮（笑气）。

The reaction of triphenyltin with nitrous acid in aqueous phase in the presence and absence of O2 was studied by a laser flash photolysis technique.

利用激光闪光光解技术进行了有和无条件下氯化三苯基锡与亚硝酸水溶液紫外光解反应研究。