transesterification

US [trænsəsterəfɪ'keɪʃən]
UK [trænsəsterəfɪ'keɪʃən]
  • n.酯基转移；转酯基作用；转酯作用
  • Web转酯化；酯交换反应；转酯化反应

E-C

Web Definition

n.
1.
酯基转移
2.
转酯基作用
3.
转酯作用

Sample Sentence

Definition:
AllAll,酯基转移酯基转移,转酯基作用转酯基作用,转酯作用转酯作用,转酯化转酯化,酯交换反应酯交换反应,转酯化反应转酯化反应
Category:AllAll,OralOral,WrittenWritten,TitleTitle,TechnicalTechnical
Source:AllAll,DictionaryDictionary,WebWeb
Difficulty:AllAll,EasyEasy,MiddleMiddle,HardHard
1.
It employs a process called transesterification, which reacts the grounds with an alcohol in the presence of a catalyst.
它需要进行一个被称作“酯交换”的过程，就是在催化剂的作用下，将咖啡渣与乙醇进行反应。
tā xū yào jìn xíng yī gè bèi chēng zuò " zhǐ jiāo huàn " de guò chéng , jiù shì zài cuī huà jì de zuò yòng xià , jiāng kā fēi zhā yǔ yǐ chún jìn xíng fǎn yìng 。
article.yeeyan.org
2.
Biodiesel has been greatly interested as an alternative fuel and is produced by a transesterification reaction of oil with alcohol.
生物柴油作为一种代用燃料已引起广泛关注，并且可通过油与醇的转酯反应合成。
shēng wù chái yóu zuò wéi yī zhǒng dài yòng rán liào yǐ yǐn qǐ guǎng fàn guān zhù , bìng qiě kě tōng guò yóu yǔ chún de zhuǎn zhǐ fǎn yìng hé chéng 。
emuch.net
3.
the temperature of transesterification should not be too high, and time not suitable to be too long.
酯交换反应的温度不宜太高，时间也不宜过长。
zhǐ jiāo huàn fǎn yìng de wēn dù bù yí tài gāo , shí jiān yě bù yí guò cháng 。
www.cnak.net
4.
In this paper, biodiesel was pre- . pared by transesterification of lard by means of methanol, using solid basic catalyst.
本实验采用猪油在固体碱催化剂（氢氧化钾）与甲醇酯化反应制备生物柴油。
běn shí yàn cǎi yòng zhū yóu zài gù tǐ jiǎn cuī huà jì ( qīng yǎng huà jiǎ ) yǔ jiǎ chún zhǐ huà fǎn yìng zhì bèi shēng wù chái yóu 。
epub.cnki.net
5.
Study on the solid catalysts for catalyzing transesterification to produce biodiesel was a focus at present.
研制用于催化酯交换反应制备生物柴油的固体催化剂是目前的一大研究热点。
yán zhì yòng yú cuī huà zhǐ jiāo huàn fǎn yìng zhì bèi shēng wù chái yóu de gù tǐ cuī huà jì shì mù qián de yī dà yán jiū rè diǎn 。
www.cnak.net
6.
After the transesterification, happens the two phases separation, followed by the alcohol excess recovery and dehydration.
经过酯基转移后，进行两次相位分离，然后进行剩余酒精的复原和脱水。
jīng guò zhǐ jī zhuǎn yí hòu , jìn xíng liǎng cì xiàng wèi fēn lí , rán hòu jìn xíng shèng yú jiǔ jīng de fù yuán hé tuō shuǐ 。
unido-itpc.org
7.
Butyl methacrylate(BMA) was synthesized from n ? butanol and methyl methacrylate at homogeneous reaction by transesterification process.
采用酯交换工艺，在均相条件下，由甲基丙烯酸甲酯和正丁醇合成了甲基丙烯酸丁酯（BMA）。
cǎi yòng zhǐ jiāo huàn gōng yì , zài jūn xiāng tiáo jiàn xià , yóu jiǎ jī bǐng xī suān jiǎ zhǐ hé zhèng dīng chún hé chéng le jiǎ jī bǐng xī suān dīng zhǐ ( BMA ) 。
www.chemyq.com
8.
Methods of synthesizing diphenyl carbonate included transesterification, urea and carbon disulfide.
其合成方法主要有酯交换法、尿素法和二硫化碳法等。
qí hé chéng fāng fǎ zhǔ yào yǒu zhǐ jiāo huàn fǎ 、 niào sù fǎ hé èr liú huà tàn fǎ děng 。
www.chemyq.com
9.
The transesterification of cooking waste oil and methanol to biodiesel in a solvent free system catalyzed by lipase was studied.
研究了利用餐饮业废油脂和甲醇，在无溶剂系统中通过脂肪酶的转酯作用来生产生物柴油。
yán jiū le lì yòng cān yǐn yè fèi yóu zhī hé jiǎ chún , zài wú róng jì xì tǒng zhōng tōng guò zhī fáng méi de zhuǎn zhǐ zuò yòng lái shēng chǎn shēng wù chái yóu 。
www.chemyq.com
10.
Biodiesel is long-chain fatty-acid methyl ester in essence, which can be produced by transesterification in industry.
生物柴油本质上是长链脂肪酸甲酯，工业上多通过酯交换反应进行生产。
shēng wù chái yóu běn zhì shàng shì cháng liàn zhī fáng suān jiǎ zhǐ , gōng yè shàng duō tōng guò zhǐ jiāo huàn fǎn yìng jìn xíng shēng chǎn 。
lib.cqvip.com
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