有奖纠错
| 划词

No osmyl and no taste.Soluble in Benzene,Acetone,C2H4Cl2,CS2,toluene,party soluble in alcohol,diethyl ether,insoluble in water,gasoline.

溶于丙酮、、甲、二硫化碳、二氯乙烷,微溶于乙醇和乙醚,不易溶于水和汽油。

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Catalytic synthesis of phenetole by ethylation of phenol with diethyl carbonate(DEC)in fixed bed reactor was investigated.

以碳酸二乙酯(DEC)为乙基化试剂,在气固相条件下催化乙醚。

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Crystalline polypyrene microsheets were electrosynthesized in the medium of boron trifluoride diethyl etherate for the first time.

在三氟化硼乙醚介质,电聚芘首次制备出结晶型的聚芘微米片。

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This paper reports the improvement on the synthesis of 5 methylisoxazol 3 formamide by Claisen condensation of diethyl oxalacetate followed by cyclization and ammonolysis.

讨论了以草酸二乙酯为,过克莱森缩、环、氨解反应成5甲基异唑3甲酰胺工艺的改进。

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Entomologist Stephen Doggett, who runs the NSW Health arbovirus program which monitors mosquitoes and the diseases they carry is firmly in the DEET (diethyl toluamide) camp.

负责新南威尔士卫生局虫媒病毒项目的昆虫学家斯蒂芬·多格特赞成使用避蚊胺。该项目监控蚊子和它们自身携带的多种疾病。

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The synthesis of tridecane dicarboxylic acid diethyl ester with ethyl alcohol and tridecane dicarboxylic acid as reactants and cation exchange resin as catalyst had been studied.

以强酸性阳离子交换树脂为催化剂,十三碳二元酸乙醇为成十三碳二元酸二乙酯,考察了影响反应的因素。

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英语小霸王

It contains diethyl ether. It's a general anesthetic.

别吸 要你保持清醒。

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crofting, crofts, croissant, croisure, croix de guerre, Croixian, croker, Crolan, crolite, Croloy,

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3G, 401(K), a,
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