phase transfer catalyst是什么意思_phase transfer catalyst的意思_phase transfer catalyst的翻译_phase transfer catalyst怎么读_phase transfer catalyst的音标_phase transfer catalyst的发音_phase transfer catalyst翻译器_phase transfer catalyst的短语_phase transfer catalyst速记技巧_phase transfer catalyst的近义词_phase transfer catalyst的反义词_phase transfer catalyst的双语例句

双语例句

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1、

The results showed that poly ( ethylene glycol ) as a phase transfer catalyst can raise the conversion.

指出聚乙二醇作为相转移催化剂可增加转化率.

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2、

Benzaldehyde was prepared by basic hydrolysis of cassia leaf oil using phase transfer catalyst.

在相转移催化条件下,从桂叶油出发通过碱性水解制备天然苯甲醛.

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3、

Dicyclohexyl disulfide was prepared by reaction of chlorocyclohexane and sodium disulfide using phase transfer catalyst ( PTC ) .

采用相转移催化剂,氯代环已烷与二硫化钠溶液反应合成了二环已基二硫醚.

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4、

N, N-diethylaniline was synthesized under normal tempreture with tetraethyl ammonium hydroxide as phase transfer catalyst.

以苯胺和溴乙烷为原料,用四乙基氢氧化铵作相转移催化剂,在常压下合成N, N二乙基苯胺.

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5、

Nitrodiphenylamine is synthesized by direct condensing method, adopting aniline-nitrochlorobenzene as feeds, PEG as phase transfer catalyst.

以苯胺、邻硝基氯苯为原料, 采用直接缩合法引入相转移催化剂合成邻硝基二苯胺.

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6、

Tetrakis ( diethylamino ) phosphonium bromide ( TPB ) was a novel phase transfer catalyst used to prepare fluorinated aromatic compounds.

四 ( 二乙胺基 ) 溴化鏻 ( TPB ) 是制备含氟芳香族化合物的一种新型相转移催化剂.

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7、

The process of synthesizing o-nitroanisole by using phase-transfer catalyst was described.

论述了以相转移催化剂催化合成邻硝基茴香醚的新方法.

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8、

It was pointed out that the quaternary ammonium salt was the most important phase transfer catalyst.

指出了此类合成反应中所采用的重要相转移催化剂是季铵盐类.

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9、

Tetrabutylammonium bromide ( TBAB ) was found to be the most effective phase-transfer catalyst in this reaction.

本实验中,四丁基溴化铵 ( TBAB ) 是最有效的相转移催化剂.

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10、

Polyethylene glycols can be used as effective phase transfer catalyst in halogen exchange fluorination.

聚乙二醇可作为卤素交换氟化反应有效的相转移催化剂.

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11、

The Synthesis and Application of a Difunctional Group Phase Transfer Catalyst

双官能团相转移催化剂的合成和应用

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12、

Polyvinyl chloride-polyethylene polyamine resin is a new polymer phase transfer catalyst.

它是一种新型的高分子相转移催化剂.

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13、

The Novel Synthetic Method of Several Perfume Intermediator on the Reaction-Controlled Phase Transfer Catalyst

几种香料中间体的反应控制相转移催化合成法

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14、

Synthesis of ethyl iso nicotinate using BTEAC ( benzyl triethyl chloride ) as phase transfer catalyst was studied.

以BTEAC ( 苄基三乙基氯化铵 ) 为相转移催化剂合成了异烟酸乙酯.

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相关词组

electronic funds transfer电子资金转账;
decline phase衰退期;
phase out逐步淘汰，逐步结束;
data transfer数据传送;
phase voltage相电压，对中性线电压;
luteal phase黄体期;
Network News Transfer Protocol网络新闻传送协议;
Simple Mail Transfer Protocol简单邮件传送协议;
out of phase<物理>异相;不同相;
in phase<物理>同相;
Trivial File Transfer Protocol普通文件传送协议;
initial phase初起阶段;初始相;初位相;初相位;
File Transfer Protocol文件传输协议;是文件传输协议;文件传送协议
phase transition相变;
phase in逐步采用;
mail transfer信汇，邮汇;
Late phase reaction后期反应;
mobile phase（色谱分析的）流动相;
Hyper Text Transfer Protocol超文本传输协议
concept phase初步设计阶段;

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HBS abbr.Harvard Business School 哈佛大学商学院;
else[els] adv. 其他;否则;另外;adj. 别的;其他的;
crew[kruː] n.(飞机、轮船等上的)全体工作人员;技术团队;一组人;划船队;赛船运动;v.当船员;
separately[ˈseprətli] adv.分别地，另行;分开，单独;分离地;个别地;
on the rocks[ɒn ðə rɒks] 触礁的;（婚姻）濒于破裂的;身无分文的;（企业等）濒临失败;岌岌可危;（酒等饮料）加冰的;加冰块的;
brother[ˈbrʌðə(r)] n. 兄弟;同事，同胞;同志;int. （表示生气或吃惊）我的老兄！;
brick[brɪk] n.砖，砖块;砖块状物体;一砖的厚度;〈口〉大好人;vt.用砖建造、砌或铺;用砖围住或堵住;
telescope[ˈtelɪskəʊp] n.望远镜;v.叠缩;精简;
whit[wɪt] n. 极少的量;一点儿;一点点;很少量;丝毫;丝毫不;一点也不;
SQLite n.一个轻量级别数据库;嵌入式数据库;创建数据库;数据库支持
pencil-case[ˈpensl keɪs] n.铅笔盒
oxygen[ˈɒksɪdʒən] n.氧（气）;