四氟化硅
- 与 四氟化硅 相关的网络例句 [注：此内容来源于网络，仅供参考]
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A patent for fluorosilicic acid production by adsorption of silicon tetrafluoride with pressure water is described in the production of wet-process phosphoric acid or phosphate fertilizer.
介绍一种在湿法磷酸或磷肥生产过程中用水吸收四氟化硅制备氟硅酸的专利技术。
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Its specific procedures are :first to treat the sample with hydrofluoric acid to convert the silica into a gas of silicon tetrafluoride to escape, and then at a PH value of 4 to 5 to treat the residual liquid with hydroxylamine hydrochloride to get the ferric ions reduced to ferrous ions.
其具体步骤为：首先用氢氟酸处理试样，使沉淀法白炭黑转化成四氟化硅气体逸出。
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Low-quality fluorite mine ; prepare ; cryolite ; silicon tetrafluoride
低品位萤石矿；制备；冰晶石；四氟化硅
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β-Cyclodextrin with the 6-hydroxyls protected by dimethyl-tert- butylsilyl was selectively oxidized by lead tetraacetate. After the silyl groups were removed off by boron fluoride-etherate, mono-2,3- dialdehydro-β-cyclodextrin as a cuniform molecule could be constructed.
用四醋酸铅将七元（6-O-二甲基叔丁基硅基）-β-环糊精选择氧化、并用三氟化硼乙醚脱硅基保护基后，再经分离、纯化，可获得具有&楔筒状&空腔的单-2， 3-二醛基-β-环糊精。
- 推荐网络例句
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The labia have now been sutured together almost completely.The drains and the Foley catheter come out at the top.
此刻阴唇已经几乎完全的缝在一起了，排除多余淤血体液的管子和Foley导管从顶端冒出来。
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To get the business done, I suggest we split the difference in price.
为了做成这笔生意，我建议我们在价格上大家各让一半。
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After an hour and no pup, look for continued contractions and arching of the back with no pup as a sign of trouble.
一个小时后，并没有任何的PUP ，寻找继续收缩和拱的背面没有任何的PUP作为一个注册的麻烦。