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.
香港按人口平均计算的本地生产总值为25,000美元, 在亚洲名列第二.At US $ 25,000, our GDP per capita is the second highest in Asia.第二次违规者要被罚款60美元.Anybody caught breaking this rule the second time will be fined $ 60.第二种是一名火箭科学家的, 得花10万元.It was from a r...
The stationmaster pounced and wrestled the gun from him.站长猛扑过去，奋力夺下他手中的枪。He toddled over and pounced on the chicken.他蹒跚走来,伸手猛抓小鸡.Before I could get the pigeon the cat pounced.未等我逮到鸽子，猫就猛扑了上去。'That's much too su...
用钢琴伴奏的传统歌曲traditional songs with piano accompaniment他演奏了不需伴奏的小提琴乐曲.He played works for unaccompanied violin.诗歌吟唱试用七弦琴伴奏的.The poetry was chanted to the accompaniment of the lyre....
本文研究了V波段四倍频器的设计和研制方法.This thesis presents the design and manufacture of a V - band frequency quadrupler.这种倍频器可以满意地用作为某型测速雷达的输出级.This frequency multiplier may be used satisfactorily as the output stage some velocity radar...