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- acetate lead precipitation 乙酸铅沉淀
- After dissolving ore samples of zinc and lead, the lead ions were precipitated.The zinc ions were titrated by EDTA.The lead precipitation was then dissolved. 利用铅锌矿中铅生成复盐沉淀,用EDTA标准溶液滴定锌,然后溶解复盐沉淀,加入过量EDTA标准溶液,用硝酸铅标准溶液反滴定。
- Objective To explore the antagonism of ginsenoside to the toxicity of embryo development induced by acetic lead in rat. 摘要目的：探讨人参皂苷对醋酸铅胚胎发育毒性的拮抗作用。
- Conclusion Ginsenoside has better antagonism on embryo teratism in rat induced by acetic lead and can proportionately promote the differentiation and development of rat embryo. 结论：人参皂苷对铅所致胚胎畸形有较好的拮抗作用，并可均衡地促进胚胎的分化和发育。
- The horse forged ahead the lead in the homestretch. 那匹马在最后阶段突然加速跑到前面。
- Shirley will try out for the lead in the play. 雪莉将参加该剧主角的选拔演出。
- Excessive patriotism can lead to xenophobia. 爱国主义过了头即可导致仇视一切外国人。
- Lead aprons shield people from radiation. 铅做的工作裙可使人免进辐射。
- Graphite is used in making lead pencils. 石墨常被用来做成铅笔。
- Lead will fuse at quite a low temperature. 铅会在相当低的温度下熔化。
- The team recovered its lead in the second half. 该队在下半场重新领先。
- No road of flowers lead to glory. 没有一条通往光荣的道路是铺满鲜花的。
- Copper has less resistance than lead. 铜的电阻比铅的小。
- I'll take part, but I won't want to lead. 我参加，但不想当领导。
- Alice has the lead in the school play. 艾丽斯在学校演出的戏剧中担任主角。
- We need someone with real vision to lead the party. 我们需要具有真知灼见的人来领导这个党。
- I don't want to lead an inactive life. 我不想过沉闷的生活。
- Where are the dog's collar and lead? 狗的颈圈和皮带哪去了？
- Cerium Acetate is soluble in water. 说明:醋酸铈溶于水。
- A white lead pigment, sometimes used in cosmetics. 铅白一种白色铅颜料，有时用于化妆品制造
