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目的研究以庚醛和原甲酸三乙酯为原料制备庚醛二乙缩醛的工艺条件.Aim Enanthal diethyl acetal is prepared with heptaldehyde and triethyl orthoformate as raw materials.乙缩醛一种无色, 易燃, 易挥发的液体ch3ch ( oc2h5 ) 2, 用于化妆品和溶剂.A colorless, flammable, volatile liquid, ...
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“乙硅烷”的英语可以翻译为：[化] disilane，silicoethane ...
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“乙酰脲”的拼音为：...
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“乙炔基”的英语可以翻译为：[化] acetenyl，ethynyl，ethynyl ...
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“乙烷基”的英语可以翻译为：[医]ethyl ...
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“变乙醛”的英语可以翻译为：[化] metacetaldehyde ...
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这些峰分别相当于乙基和丙基的侧链开裂.These peaks correspond to side - chain cleavage of the ethyl and propyl groups respectively.'聚'.''氨脂一种氨基甲酸中除''.'乙基'.''酯以外的酯.Any of several esters, othe...
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“乙撑”的拼音为：yǐ chēng...
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“乙醛”的英语可以翻译为：aldehyde，[化] acetaldehyde，ethanal，ethylal ...
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“氯乙烷”的英语可以翻译为：[化] anodynon，antidolorin，[医] aether chloratus，aethylis chloridum ...
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“乙偶姻”的拼音为：...
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“羟乙基”的英语可以翻译为：ethoxy，ethoxyl- ...
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“溴乙烯”的英语可以翻译为：[医] bromethylene，vinyl bromide ...
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“胍乙酸”的英语可以翻译为：glucocyamine，glycocyamine ...
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“乙烷”的英语可以翻译为：ethane，[医] ethane，methylmethane，hexane ...
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“苯乙醛”的英语可以翻译为：[化] phenylacetaldehyde，hyacinthin ...
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“乙炔化”的英语可以翻译为：ethinylation，ethynation，ethynylation ...
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“乙炔基”的拼音为：...
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本文介绍了羟乙基纤维素的一般性质, 应用和生产方法.The general properties, application and manufacturing methods of HEC were introduced.研究了高取代度羟乙基纤维素 ( H-HEC ) 的精制工艺.The refining process of high - substitution hydroxyethyl cellulose ( H - HEC ) ...
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“溴乙烷”的拼音为：xiù yǐ wán...
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“乙叉”的拼音为：yǐ chā...
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“羟乙胺”的英语可以翻译为：oxyethylamine，hydroxyethylamine ...
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“乙庚嗪”的英语可以翻译为：ethoheptazine ...
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“乙酸基”的英语可以翻译为：[化] acetoxy，acetoxyl ...
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“乙酰苯”的拼音为：...
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“苯乙酮”的拼音为：...
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“乙基化”的英语可以翻译为：ethylize，ethylation，ethylate ...
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“乙胺”的英语可以翻译为：[化] aminoethane，ethamine，ethylamine ...
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把好苹果放在有孔的聚乙烯袋中保存。Keep good apples in perforated polythene bags.这种聚乙烯塑料应该可以挡一会儿雨.This polythene sheet should serve to keep out the rain for a while.我在容器上盖了一片聚乙烯塑料薄膜，解决了这个问题。I have overcome this problem by placing a sheet ...
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“乙酰胺”的拼音为：...