这些毒气会严重损害患者的呼吸系统。These gases would seriously damage the patient's respiratory system.毒气喷出来,危及几百人的生命.Poison gas blew off and endangered the lives of hundreds of persons.敌人居然使用了毒气.The enemy went so far as to use poiso...
起泡剂是能够发生化学反应并产生气体的物质.Foaming agent is a chemical reaction can occur and produce gases.运用GC-MS剖析两起由起泡剂引发的选矿事故.Two mineral processing accidents resulted from frothers are analyzed by means of GC - MS....
Autotrophic mutants were prepared from six different stocks of the homoictic group.自养突变体是从同株同核融合类群的6个不同的原种菌系制备的.The cell lost its autotrophic character and became dependent on added chemical energy sources.细胞丧失了自养的特性,变成依...