该词条未找到_海词词典

您要查找的是不是：

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。
The compound butyl rubber is calendered. 将混制成的丁基橡胶进行精压。
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)。
AIM: To explore the possible mechanism of tert - butyl hydroperoxide (t - BHP) - induced apoptosis in rat cortical neurons. 目的:探讨第三丁基过氧化氢(t-BHP)诱导大鼠皮层神经元凋亡的可能机制。
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。
To bring a butyl group into(a compound). 丁基化将丁基组引入（某化合物）
Possess of unique butyl quantity alarm system. 特有胶量报警系统。
Reasonable butyl spreading system and low pressure. 出胶系统合理，压力低。
According to the conductance results, the reactions between 4 - tert - butyl - calix[4] arene and amines proceed in two steps. First, a proton transfer from calixarene to amine. 电导测定表明在乙腈溶液中脂肪胺与对叔丁基杯[4]芳烃间的反应分两步进行:首先胺从杯芳烃得到一个质子生成胺正离子和杯负离子;然后离子再进一步包合.
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。
Method We measured SCHE by Butyl Cholinesterase Sulfide method. 方法利用硫代丁酰胆碱法检测血清胆碱酯酶。
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。
Kerosene and butyl xanthate were used as collectors in bulk flotation. 混合浮选采用煤油加丁基黄药作为捕收剂。
An ampoule of amyl nitrite or butyl nitrite used as a stimulant drug. 玻璃瓶用作兴奋剂的亚硝酸戊酯或亚硝酸丁酯的小玻璃药水瓶
Uses: Performance: anti-corrosion properties see right Ethylparaben, and butyl. 用途: 性能：防腐性能参见对尼泊金乙酯和丁酯。