反应体系中加入高介电常数的溶剂不利于邻苯二酚的叔丁基化。
The addition of solvent with high dielectric-constant would retard catechol tert-butylation.
本文研究了填料对氯化丁基橡胶在玻璃化转变温度以上的温度范围里的力学阻尼行为的影响。
This paper presents our study on the effect of fillers on mechanical damping of chlorinated butyl rubber above its glass transition temperature, Tg.
研究了喷雾干燥法制备高包埋率微胶囊化二丁基羟基甲苯(BHT)的壁材组成及工艺条件。
The composition of wall materials and the technology of spray -drying for the butylated hydroxy toluene (BHT) microencapsulation were studied.
探索了杂多酸和杂多酸的四丁基铵盐对氧化羰化双酚A直接合成聚碳酸酯的促进作用。
The selected heteropolyacids and their tetrabutylammonium salts were explored as a promoter in the oxidative carbonylation of bisphenol A.
以叔丁基过氧化氢(TBHP)为氧化剂，四丁基溴化铵(TBAB)为相转移催化剂，有效地将乳酸乙酯氧化合成丙酮酸乙酯，产品纯度达98%以上。
Ethyl pyruvate was synthesized from ethyl lactate using TBHP as oxidant and TBAB as phase transfer catalyst, the purity of product was over 98 %.
同时，文中还论述了溴化丁基再生胶的实用价值。
Meanwhile it describes the utility value of regenerated BIIR.
样品的四丁基溴化铵和二氯甲烷离子对萃取方法与反相离子对色谱分离联用，为水体中芳香族磺酸盐的检测提供了可靠的监测手段。
The combination of ion-pair extraction technology with reversed-phase ion-pair chromatography method provide a effective inspection measure for the sulfonates in water.
通过添加适量四丁基溴化铵为相转移催化剂，使用过量的亚磷酸二异丙酯以补偿其在强碱环境中的水解，从而提高了反应产率。
The yield was increased through adding tetrabutyl ammonium bromide as the phase transfer catalyst, and using excessive diisopropyl phosphite to compensate its hydrolyzation.
硼硅玻璃模制注射剂瓶、溴化丁基橡胶塞包装。 1套/盒。 1套包含人凝血酶原复合物1瓶，人凝血酶原复合物溶解液1瓶。
[Packaging] Borosilicate glass vial, sealed with bromobutyl rubber stopper, packaging of 1 set per carton. 1 set contains a vial of human prothrombin complex, and solution.
实验结果表明：本体系中相转移催化剂的催化效率是苄基三乙基氯化铵大于四丁基溴化铵和四乙基溴化铵；
The results show that catalytic efficiency of the phase transfer catalyst BETAC is higher than TBAB, and TBAB is nearly as efficient as TEBA.
制备了以超细二氧化硅为载体的氰乙基化可溶性蛋白质-钯催化剂，研究了它对三丁基锡氢化物和酰氯化合物偶联反应的催化活性。
Silica supported cyanoethylated soluble protein-Pd has been prepared and its catalytic activity in the cross-coupling reaction of tributyltin hydride and acid chlorides was studied.
四丁基溴化铵和四乙基溴化铵的催化效率相当；采用2克相转移催化剂的催化效率大于采用4克催化剂的催化效率；壬二酸的产率随高锰酸钾用量的增加而增加。
The effects of 2 g PTCs used are better than those of 4 g PTCs, and the yield of azelaic acid is raised as the amount of potassium permanganate increases.
以醛为底物，通过四丁基三溴化铵(TBATB)氧化原位生成的亚胺转化为氰基化产物。
Nitriles were obtained from aldehydes through oxidation of in situ formed the corresponding aldimines using tetrabutylammonium tribromide (TBATB).
以三氯化磷与正丁基硫醇经硫代烷基化反应，得到的化合物被双氧水氧化即可得到该产品。
It is obtained by the reaction of the compound, which is prepared through the Thio-alkylation of PCl_3 with n-butane thiol, and hydrogen peroxide.
以异丁烯为烷 化剂 ，在间歇反应釜中研究了苯酚烷基 化反应合成2 ，4二叔丁基苯酚的反应工艺。
The synthetic process of 2,4di?tert?butylphenol was studied in a batch reactor, while isobutylene was used as alkylating agent.
以AB - 8型树脂固定化酶催化合成反应，分析产物的红外谱图和LC - MS质谱，推测可能有正丁基-葡萄糖苷的生成。
When the AB-8 resin immobilized enzyme was used in the synthesis, by analysing the IR and LC-MS of the product, we may speculate there is butyl-glucoside producing in the reaction.
研究了硫酸铵-溴化四丁基铵（TBAB）-水体系萃取分离铅的行为及其与常见离子的分离条件。
The extraction separation behaviour of lead with(NH4)2SO4-tetrabutylammonium bromide(TBAB)-H2O system and the conditions for the separation of lead with other metal ions are studied.
对叔丁基苯乙烯聚合物具有较高的玻璃化温度，并且能溶于脂肪烃中，使其在新型材料的开发、理论研究、分散聚合、环保油漆和油品添加剂等领域有广阔的应用前景。
It has a comprising prospect of application in many areas including the development of novel materials, theoretical research, dispersion polymerization, unpolluted paints, oil additives, and so on.
其中对叔丁基苯酚羟基化法是绿色化学工艺，是今后研究的重点。
At the same time green chemistry technique of the hydroxylation of 4-tert-butyl-pyrocatechol is the research focus in future.
其中对叔丁基苯酚羟基化法是绿色化学工艺，是今后研究的重点。
At the same time green chemistry technique of the hydroxylation of 4-tert-butyl-pyrocatechol is the research focus in future.
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