manganese peroxide二氧化锰The sample was molten and decomposed with sodium peroxide , leached and acidified hot water and - volumed.试样以过氧化钠熔融分解,热水浸取、酸化,定容.Explain why barium forms peroxide but beryllium does not.解释为什么钡能形成过氧化...
a woman with peroxide blonde hair漂染金发的女子Explain why barium forms peroxide but beryllium does not.解释为什么钡能形成过氧化物而铍则不能。It has studied the action of hydrogen peroxide on nitrous acid.它研究了过氧化氢对亚硝酸的作用....
沸腾钢在铸锭前不脱氧或轻度脱氧.In the case of rimming steel, no or some deoxidation is carried out before casting.由于废弃的部分小,沸腾钢的成材率较高.With small portion to be scrapped rimming steel has a high yield of good steel....
Any more raffle tickets? Twenty-five pence each or five for a pound.还有要买奖券的吗？每张25便士，1英镑5张。The money was raised by the sale of raffle tickets.这笔款子是通过出售购物彩券筹集的.The draw for the raffle takes place on Saturday.抽彩仪式星期六举行....
The coconut palm is a native of Malaysia.椰子树原产于马来西亚。He settled in Malaysia.他定居马来西亚.At Beryl's it's all about delivering the best chocolates in Malaysia.在绿柱石的,它的所有约提供最好的巧克力在马来西亚举行....
The relationship of this geometry to Riemann's varieties was not clear.这种几何和Riemann几何的关系是不清楚的.H. C. Whitehead theorem in Riemann manifolds is extended into Finsler manifolds.指出了Finsler流 形中任一点处凸邻域的存在性,将Riemann流形的J. H...
A mole can undermine the strongest rampart.一只田鼠能毁坏最坚固的堡垒.Perhaps the tower is part of the rampart of the city.这城楼或许就是城墙的一部分。Yes, an iron rampart, " he repeated, relishing his phrase.是的, 就是铜墙铁壁, " 他很欣赏自己用的这个字眼,又重复了一遍....
蕾特别喜欢咯咯地笑，而且总是爱开玩笑。Ray was very giggly and joking all the time.保罗十分讨人喜欢，开玩笑时很有分寸。Paul is a thoroughly likeable man with an unerring sense of comedy.我可不是开玩笑,事情够麻烦的了.I'm serious, things are difficult enough as they ar...