名 the second of the ten Heavenly Stems，[音]a note of the scale in gongchepu, corresponding to 7 in numbered musical notation，a surname；数 （第二） second ；

[例句] 这条铁路在那儿分叉通向甲 乙 两地. There the railway forks to A and B ( places ).

[例句] 甲与乙恋爱. A and B are in love with each other.

[化] ethylene，ethene，[有化] olefiant gas ；

[例句] 非离子型表面活性剂有聚氧乙烯缩合物糖酯和烷基胺氧化物. Nonionics include polyoxyethylene condensates, sucrose esters and alkyl amine oxides.

[例句] 非离子型表面活性剂有聚氧乙烯缩合物, 糖酯和烷基胺氧化物. Nonionic surface - active agents include polyoxyethylene condensates, sucrose esters and alkyl amine oxides.

ethyne，acetylene，ethine ；

[例句] 不完全的燃烧和不适当的通风条件能导致乙炔的产生. Incomplete combustion and improper draft conditions can cause ethylene formation.

[例句] 已多次证实火焰中存在聚乙炔. That polyacetylenes are present in flames has been demonstrated many times.

aethylis，ethyl，ethyl group，aethyl- ；

[例句] 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.

[例句] '聚'.''氨脂一种氨基甲酸中除''.'乙基'.''酯以外的酯. Any of several esters, other than the ethyl ester, of carbamic acid.

alcohol，ethanol，ethylalcohol，grain alcohol ；

[例句] 这种蜡质属于乙醇有机溶剂的萃取物. The waxes are classed as alcohol or organic solvent extracted materials.

[例句] 在许多细胞中,含量最高的磷脂是磷脂酰乙醇胺或脑磷脂. The most abundant phospholipid in many cells is phosphatidyl ethanolamine or cephalin.

acetophenetidin，phenacetin，acetyl ；

[例句] 在菠菜叶片中也存在着转乙酰酶系统. The transacetylase system was also present in spinach leaves.

[例句] 将乙酰丙酮铁, 苯基B- 萘胺及磷脂通过40目筛加入. The ferric acetylacetonate, phenyl betanaphthylamine , and lecithin are added through 40 - mesh screen.

ethene，ethylene，aethylenum ；

[例句] 报道了三元共聚物 聚甲基 乙撑-环己撑 碳酸 酯 的制备与性能研究. The terpolymerization of propylene oxide ( PO ) and cyclohexene oxide ( CHO ) with carbon dioxide ( CO 2 ) was investigated.

[例句] 二羟甲基二羟基乙撑脲树脂 ( 即DMDHEU简称2D树脂 ) 是目前应用最多的抗皱免烫整理剂. At present , Di - Methylol Di - Hydroxy Ethylene Urea ( DMDHEU, 2 D resin for short ) is durable press finishing agent.

aldehyde，[化] acetaldehyde，ethanal，ethylal ；

[例句] 聚乙醛可以以无规, 间同和全同形式存在. Polyacetaldehyde may exist in atactic, syndiotactic and isotactic forms.

[例句] 乙醛酸循环体发现于油脂种子的贮藏组织中. Glyoxysomes are found in the storage tissues of fatty seeds.

ethane，[医] ethane，methylmethane，hexane ；

[例句] 天然气不含硫, 含甲烷88-99%, 乙烷6%和丙烷3%. The gas , which is sulphur - free , contains 89 - 99 % methane, up to 6 % ethane, and 3 % propane.

[例句] 某些苯代 ( 或多苯 ) 环氧乙烷是制取带苯环 ( 或二苯 ) 碳烯的极好原料. Phenyl ( or polyphenyl ) substituted epoxides serve as excellent precursors to phenyl ( or diphenyl ) carbenes.

ethylbenzene，phenylethane ；

[例句] 所以可以用下式来表示乙苯链转移. It is therefore possible to formulate the chain transfer with ethylbenzene as follows.

[例句] 主要考察温度变化对生物过滤塔净化含乙苯废气效果的影响. The effects of temperature change a biofilter for treating ethylbenzene.

diethyl [ethyl] ether，aether ；

[化] aminoethyl alcohol，cholamine，ethanolamine，neovaricaine ；

[例句] 在许多细胞中,含量最高的磷脂是磷脂酰乙醇胺或脑磷脂. The most abundant phospholipid in many cells is phosphatidyl ethanolamine or cephalin.

[例句] 乙醇胺在气体的纯化和分离方面也是有用的. Ethanolamines are also of value in the purification and the separation of gases.

ethylize，ethylation，ethylate ；

[例句] 这些高分子载体包括,聚乙烯吡咯烷酮 ( PVP ) 、 羧甲基纤维素钠 ( CMC ) 、 壳聚糖 ( CS ) 和氰乙基化纤维素 ( CC ). These polymer support are polyvinylpyrrolidone ( PVP ), sodium carboxymethyl cellulose ( CMC ), chitsan ( CS ) and cyanoethylated cellulose ( CC ).

[例句] 使乙基化把乙基引入 ( 一化合物 ) To introduce the ethyl group into ( a compound ).

[化] biformyl，ethanedial，oxalic aldehyde，glyoxal ；

[例句] 在催化剂存在下,用双氧水氧化乙二醛溶液快速合成了乙醛酸. Glyoxylic acid was rapidly synthesized by catalytic oxidation of glyoxal with H 2 O 2.

[例句] 利用报废的液体推进剂硝酸-27S和乙醛制备乙二醛. Glyoxal is prepared with waste liquid propellant HNO 3 - 27 S and ethanal.

[化] acetonitrile，methyl cyanide，methyl cyanide ；

[例句] 从苯乙腈制取苯基硝基甲烷就用这个方法. This is a generally known method for obtaining phenylnitromethane from benzyl cyanide.

[例句] 设计了一套回收制药废液中乙腈的新工艺. A novel process of acetonitrile recovery from pharmaceutical effluent was designed.

glycol，[化] ethanediol，[医] ethylene glycol ；

[例句] 乙二醇迅速地被它氧化,生成草酸和羟基醋酸. Glycol is oxidized rapidly by it to oxalic and glycolic acids.

[例句] 结果表明,聚乙二醇缩水甘油醚对丝胶蛋白具有明显的交联作用. The result showed that polyethylene glycol diglycidyl ether cross linked sericin obviously.

[化] acetamide，acetylamine，acetic acid amide，ethanamide ；

[例句] 所述的灭螺药物添加剂为溴乙酰胺或氯硝柳胺. The molluscacidal medicated additive is bromoacetyl bromide or niclosamide.

[例句] 这些阴离子受体包括桥联二吡咯柄型二茂铁 、 基于联吡咯的索烃、附加有离子基团的吡咯酰胺、吡咯-2, 5- 二甲酰胺和吡咯 -2,5-二乙酰胺. These receptors include bridged dipyrrole ansa - ferrocene, bipyrrole - based catenanes , guanidinium - appended amidopyrroles, 2,5 - diamidopyrroles and pyrrole - 2,5 - diacetamides.

[医]acetic ；

[例句] 介绍了苯乙酸的生产方法 、 用途及市场. The production process, use and market of phenylacetic acid were introduced.

[例句] 介绍了鉴别氯代乙酸的反应原理和操作方法. Reaction principles of chloroacetic acid detection and its operation Methods: Were introduced.

[化] acetyl，ethanoyl ；

[例句] 主要观察指标: 大鼠脑海马组织胆碱乙酰基转移酶活力的测定. MAIN OUTCOME MEASURES: Determination of the choline acetyltransferase activity in the groups.

[例句] 此外, 还介绍了乙酰基丁二酸二甲酯的应用. Finally , the application of DMAS was also presented.

[化] aminoethane，ethamine，ethylamine ；

[例句] 结果盐酸乙胺丁醇 、 利福平、吡嗪酰胺和异烟肼均具有良好的色谱行为. Results Ethambutol hydrochloride, isoniazid, pyrazinamide and rifampicin all had good chromatographic behavior.

[例句] 目的: 探讨盐酸乙胺丁醇片含量测定中使用不同过滤方法对测定结果的影响. Objective: To establish a HPLC method determination of assay for ethambutol hydrochloride.