查询词典 butyl

Nd_2O_3 was used as the catalyst for esterification of n-butyl alcohol with propionic acid.

采用氧化钕为固体催化剂，对丙酸丁酯合成的最佳工艺条件作了研究。

Two kinds of new intermolecular complex antioxidants 3-(3, 5-di-butyl-4-hydroxyphenyl) propionyl pentaerythritol phosphate and octstearic pentaerythritol tetra- phosphite were synthesized by one-pot and two steps transesterification.

分别采用一锅法和两步酯交换法合成了两种新型分子内复合型抗氧剂，即3-(3，5-二叔丁基-4-羟基苯基)丙酰亚磷酸季戊四醇酯和八硬脂基季戊四醇四亚磷酸酯。

C-formaldehyde is widely used in rubber, paint, plastics, medicine, spices, agriculture, textile and other industries; propanol mainly to do organic solvents, organic chemical raw materials, spices, synthetic propylamine, Bromopropane etc.; n-butyl alcohol is widely used in the preparation of esters, plastics, plasticizers, pharmaceuticals, and used as a solvent, such as spray paint.

丙醛广泛用于橡胶、油漆、塑料、医药、香料、农业、轻纺等行业；丙醇主要做有机溶剂，有机化工原料、香料、合成丙胺、溴丙烷等；正丁醇广泛应用于制取酯类、塑料增塑剂、医药、喷漆以及用作溶剂等。

When a solution of cis-1-t-butyl-4-chlorocyclohexane in ethanol is refluxed for several hours, the major product is found to be trans-1-t-buty1-4-ethoxycyclohexane.

答：顺-1-t-丁基-4-氯环己烷在ethanol中回流几小时主要产物得到反-1-t-丁基-4-乙氧基环己烷。

When the resinic demulsifiers is are synthesized using solvent polymerization, it is found that the dosages of butyl acrylate, methacrylic acid and initiating agent in demulsifiers all exist optimum values; with the demulsifiers concentrations' increasing, the dehydration rate increases, however, it increases with the salinity's increasing.

评价溶液聚合方法合成的树脂型破乳剂的破乳效果，得出破乳剂组分中丙烯酸丁酯、甲基丙烯酸和引发剂用量都存在最佳值；脱水率随着破乳剂浓度的增大而增加；随矿化度的增大而增加。

Three plasticizers were used: namely dioctyl phthalate, di n butyl phthalate and di(-2-ethyl-hexyl)sebacate.

研究中采用的增塑剂为邻苯二甲酸二辛酯、邻苯二甲酸二正丁酯和癸二酸二辛酯。

The tribological characteristics of the esterified Castor oil is better than those of Castor oil, Di-iso-butyl sebacate, Pentaerythritol esters , mineral oil 150#, bean oil, Rapeseed oil. As part of 12-hydroxyl of Castor oil acid has transformed into ester so that the isomerization degree of esterified castor oil increases with the branching carbon chain extending.

四球机测定酯化蓖麻油的摩擦性能优良；优于蓖麻油、癸二酸二异辛酯、季戊四醇酯、矿物油VG150〓、豆油和菜籽油；酯化蓖麻油的流变性能改进的机理认为是部分12-OH酯化后，直链的植物油结构异构化。

STUDY ON THE SYNTHESIS OF NORMAL BUTYL ACETATE OVER SILICOTUNGSTIC ACID SUPPORTED CATALYST Ⅱ.

文献名称负载杂多酸催化剂的表征及催化合成乙酸正丁酯的研究Ⅱ。

Synthetic method of butyl butyrate was investigated using silicotungstic acid ca talyst absorbed on activated carbon.

用活性炭固载硅钨酸催化剂催化合成了丁酸丁酯。

Nano-calcium carbonate/polymer composite particles were prepared by soapless emulsion polymerization of methylmethacrylate and Butyl acrylate on the surface of nano-CaCO3 in nano-CaCO3 aqueous suspension.

经甲基丙烯酸甲酯和丙烯酸丁酯双单体聚合包及的纳米碳酸钙形成了核壳结构增韧复合微粒。

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新