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To bring a butyl group into(a compound). 丁基化将丁基组引入（某化合物）
Ethyl tert butyl ether is synthesized from ethanol and tert butyl alcohol by reaction distillation. 以乙醇和叔丁醇为反应物,采用反应精馏法合成了乙基叔丁基醚。
The influence of the p tert butyl phenolic resin level on the dynamic properties of NR/NBR/ENR blend was investigated. 研究了对叔丁基酚醛树脂用量对NR/NBR/环氧化天然橡胶 (ENR)共混物动态力学性能的影响。
The refined process of 2,6 di tert butyl 4 methylphenol is studied by means of batch distillation and the design of technological process on the basis of the result is completed. 采用间歇精馏方法,对2,6二叔丁基对甲苯酚的精制过程进行了研究,并根据研究结果进行了工艺过程的设计。
Synthesis of 2,5di tert butylhydroquinone by alkylation of hydroquinone with methyl tert butyl ether (MTBE) was studied. 研究了以对苯二酚和甲基叔丁基醚 ( MTBE)为原料 ,以酸性阳离子交换树脂为催化剂合成 2 ,5二叔丁基对苯二酚 ( DBHQ)。
Synthesis of sterically hindered dicyclohexylmethyl、L menthyl and tert butyl diazoacetate by diazo transfer was described on this paper. 研究了用重氮转移法合成具有较大空间位阻的重氮乙酸二环己基甲酯、L-薄荷酯和叔丁酯。
The advanced technical study on synthesis of Tert Butyl benzene was introduced.The totyal yield and the quality of Tert Butyl benzene was improved. 介绍了叔丁基苯合成工艺改进的方法,提高了产品的质量和收率。
Some of phenol compound and oxygen containing compounds with tertiary butyl group were screened to use as gasoline antiknock additives. 在实验过程中筛选出几种酚类化合物和叔丁基含氧化合物等作为汽油抗爆添加剂。
Hexamethylene glycol bis[3 (3,5 di tert butyl 4 hydroxyphenyl)] propionate was synthesized without solvent with methyl 3 (3,5 di tert butyl 4 hydroxyphenyl) propionate and hexamethylene glycol as raw materials and organic tin as catalyst. 以 3 -(3 ,5 -二叔丁基 -4-羟基苯基 )丙酸甲酯 (简称 3 ,5 -甲酯 )与 1 ,6-己二醇为原料 ,有机锡为催化剂 ,在无溶剂的条件下合成了己二醇双 [3 -(3 ,5 -二叔丁基 -4-羟基苯基 ) ]丙酸酯。
As per our clients overseas, we are looking for suppliers of below products.Ethyl malonyl chloride CAS NO：36239-09-5 Di tert butyl malonate CAS NO：541-16-2 Pls contact us for more details. 求购丙二酸乙酯酰氯和二叔丁基丙二酸应我公司国外客户需求，特寻如下产品的中国生产厂商丙二酸乙酯酰氯 CAS NO：36239-09-5 二叔丁基丙二酸 CAS NO：541-16-2 有意者，请联系。
The synthesis of ethyl tert butyl ether (ETBE) with ethanol (EtOH) and tert butyl alcohol (TBA) by using A 15, S 54 and D 72 strong acid cation exchange resins as catalysts was studied. 用A-15、S-54和D-72型强酸性阳离子交换树脂作催化剂、以乙醇和叔丁醇为原料,对合成乙基叔丁基醚的反应过程进行了研究。
Ethyl tert butyl ether (ETBE) is a good additive for gasoline with high octane number.Some typical production technologies overseas and domestic research situations of ETBE synthesis are introduced. 乙基叔丁基醚(ETBE)是一种性能优良的高辛烷值汽油调和组分。
N' tert butyl N substituted acylurea N′-叔丁基N取代酰基脲
introduce the butyl group into a chemical compound. 把丁基引入化学中的化学物。
Keywords tert butylamine;synthesis;isobutene;methyl tert butyl ether; 叔丁胺;合成;异丁烯;甲基叔丁基醚;
Keywords pervaporation;distillation;ethyl tert butyl ether （ETBE）;ethanol; 渗透汽化;精馏;乙基叔基醚（ETBE）;乙醇;
Education should not be restricted to any one specific age group. 教育不应限制在任何特定的年龄组上。
He broke away from that lawless group years ago. 他在几年前脱离了那个非法团体。
The group of barbaric soldiers killed many people. 那群野蛮的士兵杀了很多人。
The group was made up of doctors. 这个团体是由医生组成的。