The extraction mechanism of palladium in chloride system by di ( 1 - methyl heptyl ) acetamide ( N _ ( 503 )) has been studied. 本文研究了N, N二 甲庚基乙酰胺 ( N_ ( s03 ) )从氯化物体系中萃取钯的机理.
What exactly goes wrong with those suffering from senile dementia?那些患老年痴呆症的人到底出了什么问题？She is suffering from senile dementia.她患有老年痴呆症。I think she's going senile .我想她是衰老了。...
The competitors cantered into the arena to conclude the closing ceremony.选手们慢跑进入竞技场，为闭幕式画上了句号。So what can we conclude from this debate?那么从这场辩论中我们能得出什么结论？What do you conclude from that?你从这件事中得出了什么结论？...