Leaching of copper from chalcocite with acidic acetonitrilecopper sulphate system was studied.研究了用酸性乙腈硫酸铜体系从辉铜矿中提取铜.The paper discusses a new method for producing cupric feed copper sulfate by chalcocite and ehalcopyite....
Double Happiness Super Standard Ball standard of ITTF for any match.红双喜超级三星乒乓球国际乒联(ITTF)特准之比赛用球.ITTF stands for International Table Tennis Federation.ITTF是国际乒乓球联合会的简称.What does ITTF stand for?ITTF表示什么?...
Bullies pick on younger children.坏孩子专挑年纪更小的孩子欺负。Why do you always pick on me to do the unpleasant jobs?你为什么老是找我干这些令人不愉快的工作?I know someone has to fetch some more logs, but why pick on me?我知道得有人再去捡些木柴, 但为什么挑上了我?...
The Memorial seems almost ugly, dominating the landscape for miles around.那座纪念碑耸立在方圆数英里景致之中显得近乎难看。He is dominating and active in manner.他有领导作风而且能采取主动.The boy was brought up by his mother, who was a dominating influence i...
介绍了一种在凝胶体系中用扩散法制备草酸亚铁的结晶方法.A diffusion method for the preparation of ferrous oxalate in a gel system was presented.实验结果表明:添加有氯化亚铁的细水雾,其灭火性能发生了显著变化.This paper presents an experimental study of fire suppression effectivene...
Airliners would be jetting through the sky at 500 miles an hour.大客机会以每小时500英里的速度穿越太空.They placed very stable and accurate atomic clocks on regularly scheduled jet airliners.他们将非常稳定、准确的原子钟装在定期飞行的喷气式班机上.The fog grounded th...
a tenuous nylon rope很细的尼龙绳This decision puts the President in a somewhat tenuous position.这个决定使得总统的位置有些岌岌可危。a tenuous hold on life命若游丝a tenuous line of argument空洞的辩论方式The cultural and historical links between the many pr...