全面系统地考察了在层柱稀土固体酸催化剂上甲醇和环氧乙烷醚化反应。
Etherification of methanol with ethylene oxide (EO) was investigated systematically on the pillared rare earth solid acid catalyst.
本文以生物质资源蔗糖为原料，通过烯丙基醚化反应制备了烯丙基蔗糖。
Allylsucrose was prepared by allyl etherification from sucrose which is biomass resource.
在羟丙基醚化反应中淀粉发生降解，产物MS与分子量变化无明确的定量关系。
All the HPS were the mixed products, whose MS had no clearly quantitative relation to the molecular weight distribution of the solid HPS.
丙烯水合醚化反应中有副产物丙酮生成，而异丙醇单独进料时产物中没有发现丙酮的生成。
It was shown that there was by product acetone in the products of propene hydration etherification, while there existed no acetone in the products of isopropanol dehydration reaction.
详细地考察了活化温度和活化时间以及反应温度和反应时间、溶剂用量对烯丙基醚化反应的影响。
A lot reaction factors, involving activation temperature, activation time, reaction temperature, reaction time, the amount of solvent, were investigated in detail.
本文阐述了醚化反应器的特点及其动力学反应器的计算方法，并分析了影响醚化反应器的主要因素。
The properties of methyltertiarybutyl ether reactor and the calculation methods of the kinetic reactor are introduced. The major factors which effect the reactor are analyzed.
本文考察了各种工艺条件对不同催化裂化汽油轻馏分临氢醚化反应醚收率的影响和各馏分反应特点。
The effects of operation conditions on ether yield of hydro-etherification of three light FCC gasoline fractions and the reaction characteristics of these fractions have been investigated.
三聚氰胺、尿素与甲醛经羟甲基化、醚化反应，生成甲醚化六羟甲基三聚氰胺和甲醚化羟甲基脲复合树脂胶。
Melamine, urea and formaldehyde underwent hydroxymethylation and etherification to yield a composed resin glue of methyl-etherified hexahydroxy methylmelamine and methyl-etherified hydroxymethylurea.
纤维素醚是以天然纤维素(棉桨粕或木桨粕)为基本原料，经过碱化、醚化反应而生成的一系列产品的总称。
As natural cellulose linter pulp raw materials, HEC is the name of a series of products after alkalization and etherification.
同时提出在单糖进行硅醚化反应后适量加水的简易后处理方法，能显著减少色谱测定时溶剂峰的“拖尾”，并消除了反应后产生的沉淀。
An improved and simplified after-treatment procedure has been developed which serves to significantly reduce the'tailing'of the solvent peak and to eliminate the precipitate produced in the reaction.
以炼油厂催化裂化汽油轻馏分为原料，在固定床微型反应器中对几种分子筛催化剂的醚化活性进行了考察。
Etherification activities of various molecular sieve catalysts were investigated with FCC light ends as feedstock carrying on a fixed bed micro reactor.
研究了苯磺酸型树脂催化的异戊烯和甲醇的醚化，考查了温度、醇烯比和空速对反应的影响。
The etherification of isoamylenes and methanol to form tert all methyl ether (TAME) by benz-sulfonic acid cation exchange resin as catalyst, was studied.
以催化裂化轻汽油为原料对开发的RZE 3沸石型醚化催化剂的反应性能进行了研究，并与树脂型催化剂进行对比。
Reaction properties of RZE-3 zeolite catalyst for etherification of FCC light gasoline were studied in comparison with resin catalysts.
醚化及交联反应主要在淀粉的非结晶区进行，反应并未破坏淀粉颗粒。
Etherifying and cross-lining occurred mainly in the amorphous region of the starch granule, and they do not disrupt the starch granule.
通过使用含乙烯基吡啶聚合物的催化剂能令 人惊奇地使形成二醇或二醇醚副产物的开环反应最少化。
Surprisingly, ring-opening reactions that form glycol or glycol ether by-products are minimized by using the vinylpyridine polymer-containing catalysts.
结果表明：不同情况下，其反应机理是不同的，总体而言，是一个酯化与醚化相互竞争的过程。
It was shown that the reaction mechanism is variable under different experiment conditions, as a whole, the reaction is a competing process between esterification and etherification one another.
红外光谱图中相应基团的变化和扫描电镜图中显示的表面形态变化说明可能发生了醚化和胺化的改性反应。
The change of related groups in FTIR spectrum and the change of surface on the SEM pictures indicated that the etherification and amination reactions took place.
对溴苯酚经烷基化、硫酸二甲酯醚化、缩合及水解反应制得阿达帕林，总收率51%。
Adapalene was synthesized from 4-bromophenol by alkylation, etherification, condensation and hydrolysis with an overall yield of 51%.
以乙酰乙酸叔丁酯为原料，经过肟化、醚化、氯代酯解反应合成了头孢克肟开环侧链酸。
Cefixime open side chain acid was prepared by oximation, etherification, chlorination, ester decomposition using t-butyl acetoacetate as starting material.
此外，采用一锅煮的方法，从烯醇硅醚出发，经过环丙化反应、酯化反应，以较好的产率合成了环丙基酯。
Moreover, we adopted an one - pot route combining the cyclopropanation and esterification of enoxysilane to prepare the cyclopropyl esters in moderate to good…
此外，采用一锅煮的方法，从烯醇硅醚出发，经过环丙化反应、酯化反应，以较好的产率合成了环丙基酯。
Moreover, we adopted an one - pot route combining the cyclopropanation and esterification of enoxysilane to prepare the cyclopropyl esters in moderate to good…
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