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单词 diethyl
释义

diethyl /dai'eθil/

英汉-汉英词典
adj. 二乙基的
词组 | 习惯用语
diethyl ether 乙醚,二乙醚
diethyl carbonate 碳酸二乙酯
diethyl sulfate [化]硫酸二乙酯
英语例句库
  1. 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、苯、甲苯、二硫化碳、二氯乙烷,微溶于乙醇和乙醚,不易溶于水和汽油。
  2. Catalytic synthesis of phenetole by ethylation of phenol with diethyl carbonate(DEC)in fixed bed reactor was investigated.
    碳酸二乙酯(DEC)为乙基化试剂,与苯酚在气固相条件下催化合成苯乙醚。
  3. 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,电聚合芘首次制备出结晶型的聚芘微米片。
  4. 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原料,经过克莱森缩合、环合、氨解反应合成5甲基异唑3甲酰胺工艺的改进。
  5. 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。
  6. 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,十三碳二元酸与乙醇为原料合成十三碳二元酸二乙酯,考察了影响反应的因素。

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原声例句
英语小霸王

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

别吸进去了 我需要你保持清醒。

中文百科

乙基 Ethyl group

(重定向自Diethyl)

乙基是一个烃基官能团,化学式为—C2H5,简写为Et(Ethyl)。最简单的乙基化合物为乙烷(C2H6),乙基与氢原子相连。其他包括氯乙烷、溴乙烷、乙醇、乙胺和硝基乙烷等。

乙基化指向分子中引入乙基官能团的过程,参见烷基化。

英语百科

Ethyl group 乙基

(重定向自Diethyl)
Ethyl group (highlighted blue) as part of a molecule, as the ethyl radical, and in the compounds ethanol, bromoethane, ethyl acetate, and ethyl methyl ether.
Grupo metilo CH3, unido a una cadena de cinco átomos de carbono (pentano), formando el 3-metilpentano.

In chemistry, an ethyl group is an alkyl substituent derived from ethane (C2H6). It has the formula CH2CH3 and is very often abbreviated Et. Ethyl is used in the IUPAC nomenclature of organic chemistry for a saturated two-carbon moiety in a molecule, whilst the prefix "eth-" is used to indicate the presence of two carbon atoms in the molecule.

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更新时间:2025/6/21 0:59:03