溴甲乙烷,Zytox,音标,读音,翻译,英文例句,英语词典

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1) Zytox

溴甲乙烷

2) (bromomethyl)oxirane 点击朗读

溴甲基环氧乙烷

3) bromo-ethyl-methyl ether 点击朗读

溴乙氧基甲烷

4) Bromoacetaldehyde dimethyl acetal 点击朗读

2-溴-1,1-二甲氧基乙烷

5) bromoethane ['brəuməu'eθein] 点击朗读

溴乙烷

This is a new conceptual design for half micro-scale experiment of the preparation of bromoethane,because of when changing the quantity and adding the way of the feed stock,no any infection to the rate of production of bromoethane.

在不影响溴乙烷正常产率的前提下,改变原料量和加料方法,设计出制备溴乙烷的半微型实验新方案,与常量制备法相比,具有节约药品,操作安全省时,污染小等优点,在教学实践中经反复检验,符合半微型化学实验要求,是值得推广的新实验方案。

N,N-Diethylaniline was synthesized from aniline and bromoethane in C_6H_5NH_2/CTAB/C_4H_9OH/H_2O microemulsion under normal atmosphere.

在常压下向苯胺/十六烷基三甲基溴化铵/正丁醇/水微乳体系中滴加溴乙烷合成N,N-二乙基苯胺。

The content and ingredient as well as origins of impurity in bromoethane made from dregs of bromine at a pharmaceutical manufacturer was analysed through GC and GC-MS.

通过气相色谱仪和气相色谱-质谱联用仪确定了某制药厂用回收的溴化钠生产的溴乙烷中所含杂质的具体成分及其含量。

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6) ethyl bromide 点击朗读

溴乙烷

Mass analyzed threshold ionization spectra of ethyl bromide; 点击朗读

溴乙烷分子的质量分辨阈值光谱

8%,while m-aminophenol was used as material,ethyl bromide as ethyl reactant, dimethylsulfate as methyl reactant,and synthesis process was optimized by means of changing solvent and feeding appropriate phase-transfer catalyst etc.

以间氨苯酚为原料,用溴乙烷做烷基化试剂,硫酸二甲酯作甲基化试剂,通过改变溶剂及加入合适的相转移催化剂等方法优化工艺,经两步反应合成N-乙基间甲氧基苯胺,产率达到48。

By experiments utilizing an orthogonal design,optimum synthesis conditions were obtained as follows: in the ethyl bromide route,the molar ratio of 4-hydroxyphenylacetic acid to ethyl bromide was 1 ∶ 1.

以对羟基苯乙酸为原料,分别采用溴乙烷和硫酸二乙酯为醚化试剂,经Williamson醚化合成了对乙氧基苯乙酸。

更多例句>>

补充资料：溴甲基环氧乙烷

CAS：3132-64-7
分子式：C3H5BrO
分子质量：136.98
中文名称：溴甲基环氧乙烷；环氧溴丙烷；1-溴-2,3-环氧丙烷；3-溴-1,2-环氧丙烷

英文名称：(bromomethyl)-Oxirane；Epibromohydrin；(bromomethyl)ethylene oxide；(bromomethyl)oxirane；1,2-epoxy-3-bromopropane；1-bromo-2,3-epoxypropane；2-(bromomethyl)oxirane；3-bromo-1,2-epoxypropane

性状描述：无色液体。熔点-40℃，沸点134-136℃，61-62℃（6.67kPa），相对密度1.615（20/4℃），折光率1.4820（20℃）。能与醇、醚、氯仿混溶，不溶于水。易挥发。

生产方法：将1000ml1，3-二溴-2-丙醇和1500ml水混匀，分次加入400g氢氧化钙（88%），边加边搅拌。然后再一次加入400g氢氧化钙，减压蒸出环氧溴丙烷，馏出物经无水硫酸钠干燥，蒸馏，收集134-136℃馏分为成品，得1130-1200g，收率84-89%。

用途：有机合成中间体，溶剂。

说明：补充资料仅用于学习参考，请勿用于其它任何用途。

参考词条

全溴乙烷六溴乙烷二溴甲烷溴甲烷

溴代乙烷一溴乙烷四溴乙烷二溴乙烷溴氯乙烷氯溴乙烷

说明：双击或选中下面任意单词，将显示该词的音标、读音、翻译等；选中中文或多个词，将显示翻译。
	您的位置：首页 -> 词典 -> 溴甲乙烷 1) Zytox 溴甲乙烷 2) (bromomethyl)oxirane 溴甲基环氧乙烷 3) bromo-ethyl-methyl ether 溴乙氧基甲烷 4) Bromoacetaldehyde dimethyl acetal 2-溴-1,1-二甲氧基乙烷 5) bromoethane ['brəuməu'eθein] 溴乙烷 1. This is a new conceptual design for half micro-scale experiment of the preparation of bromoethane,because of when changing the quantity and adding the way of the feed stock,no any infection to the rate of production of bromoethane. 在不影响溴乙烷正常产率的前提下,改变原料量和加料方法,设计出制备溴乙烷的半微型实验新方案,与常量制备法相比,具有节约药品,操作安全省时,污染小等优点,在教学实践中经反复检验,符合半微型化学实验要求,是值得推广的新实验方案。 2. N,N-Diethylaniline was synthesized from aniline and bromoethane in C_6H_5NH_2/CTAB/C_4H_9OH/H_2O microemulsion under normal atmosphere. 在常压下向苯胺/十六烷基三甲基溴化铵/正丁醇/水微乳体系中滴加溴乙烷合成N,N-二乙基苯胺。 3. The content and ingredient as well as origins of impurity in bromoethane made from dregs of bromine at a pharmaceutical manufacturer was analysed through GC and GC-MS. 通过气相色谱仪和气相色谱-质谱联用仪确定了某制药厂用回收的溴化钠生产的溴乙烷中所含杂质的具体成分及其含量。更多例句>> 6) ethyl bromide 溴乙烷 1. Mass analyzed threshold ionization spectra of ethyl bromide; 溴乙烷分子的质量分辨阈值光谱 2. 8%,while m-aminophenol was used as material,ethyl bromide as ethyl reactant, dimethylsulfate as methyl reactant,and synthesis process was optimized by means of changing solvent and feeding appropriate phase-transfer catalyst etc. 以间氨苯酚为原料,用溴乙烷做烷基化试剂,硫酸二甲酯作甲基化试剂,通过改变溶剂及加入合适的相转移催化剂等方法优化工艺,经两步反应合成N-乙基间甲氧基苯胺,产率达到48。 3. By experiments utilizing an orthogonal design,optimum synthesis conditions were obtained as follows: in the ethyl bromide route,the molar ratio of 4-hydroxyphenylacetic acid to ethyl bromide was 1 ∶ 1. 以对羟基苯乙酸为原料,分别采用溴乙烷和硫酸二乙酯为醚化试剂,经Williamson醚化合成了对乙氧基苯乙酸。更多例句>> 补充资料：溴甲基环氧乙烷 CAS：3132-64-7 分子式：C3H5BrO 分子质量：136.98 中文名称：溴甲基环氧乙烷；环氧溴丙烷；1-溴-2,3-环氧丙烷；3-溴-1,2-环氧丙烷英文名称：(bromomethyl)-Oxirane；Epibromohydrin；(bromomethyl)ethylene oxide；(bromomethyl)oxirane；1,2-epoxy-3-bromopropane；1-bromo-2,3-epoxypropane；2-(bromomethyl)oxirane；3-bromo-1,2-epoxypropane 性状描述：无色液体。熔点-40℃，沸点134-136℃，61-62℃（6.67kPa），相对密度1.615（20/4℃），折光率1.4820（20℃）。能与醇、醚、氯仿混溶，不溶于水。易挥发。生产方法：将1000ml1，3-二溴-2-丙醇和1500ml水混匀，分次加入400g氢氧化钙（88%），边加边搅拌。然后再一次加入400g氢氧化钙，减压蒸出环氧溴丙烷，馏出物经无水硫酸钠干燥，蒸馏，收集134-136℃馏分为成品，得1130-1200g，收率84-89%。用途：有机合成中间体，溶剂。说明：补充资料仅用于学习参考，请勿用于其它任何用途。参考词条全溴乙烷六溴乙烷二溴甲烷溴甲烷

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