酸催化比碱催化具有更高的反应活性。
Activity of acid catalyst was higher than that of base catalyst.
与氰氢酸的加成是碱催化的。
The addition reaction with hydrogen cyanide is base-catalysed.
烷基萄糖胺与脂肪酸酯在碱催化下反应生成naga。
NAGA is produced by the amidation of N-alkyl amine and fatty acid ester in the presence of basic catalyst.
麦草碱木素在碱催化下经脱甲基改性可提高其反应活性。
The reactivity of wheat straw soda lignin(WSSL) can be improved by demethylation modification.
制备了两种不同的负载型固体碱催化剂用于假紫罗兰酮的合成。
Two kinds of catalysts were prepared to obtain high yield of pseudoionones in this paper.
固体碱催化植物油酯交换反应，产率、转化率达98.5 %以上。
Vegetable oil ester-exchange reaction is catalyzed by solid base catalyst, the yield and conversion of oil is over 98.5%.
提供了一种碱催化进样方式，利用裂解气相色谱对毛纤维进行鉴别的方法。
An analytical method was established for wool fiber by pyrolysis gas chromatograph (GC) with base catalysis inputting sample mode.
油脂酯交换催化剂有：常用酸碱催化剂、酶、固体碱、碘、金属配合物等。
The oil transesterification catalysts include usually used acid-base catalyst, solid base, lipase, iodine, metal complex, et al.
利用小角X射线散射探讨了溶胶-凝胶转变过程中酸、碱催化的不同机理。
Small angle X-ray scattering was used to investigate the different catalyzing mechanisms of acid and base in gelation process.
提供了一种碱催化进样方式，利用裂解气相色谱对毛纤维进行鉴别的方法。
Study on the microstructure and properties of wool fibers under the high-temperature hydrothermal process;
介绍了新兴的超声波制取生物柴油工艺技术，并与液体碱催化技术进行了比较。
This article presents a new ultrasonic biodiesel production technology and compares it with the liquid alkali catalysis technology.
在有机路易斯碱催化下，这类烯丙基衍生物容易与亲核试剂发生烯丙基烷基化反应；
Under the catalysis of Lewis bases, these allylic compounds readily undergo allylic alkylations with a series of nucleophiles;
以新疆特产红花籽油、甘油为原料，在碱催化剂的作用下合成红花油不饱和单甘油酯。
The safflower oil unsaturated monoglycerid ester was synthesized with glycerin and xinjiang local safflower oil in the presence of the sodium catalyst.
考察了碱催化剂BZ1、水含量、反应温度和反应时间对取代度和反应效率的影响。
The effects of alkaline catalyst BZ 1, reaction temperature, reaction time, amount of water on reaction efficiency were studied and discussed briefly.
综述了固体碱催化剂的种类及其特点，讨论了固体碱催化剂在油脂酯交换反应中的应用。
The variety and characteristics of solid base catalyst were summarized. And the application of solid base catalyst in the transesterification of lipid was discussed.
研究了数种芳基甲烷在有机溶剂中碱催化下的氧化缩合反应，并对反应产物进行了表征。
Oxidative dimerizations of a seris of aryl methanes have been investigated and the products characterized.
预酯化后油脂的酸值较低，后续工艺既可用酸催化也可用碱催化，完全不受生产工艺的限制。
After the esterification, the acid value of the oil is lower evidently, so the next technique can be catalyzed either by acid or by alkali, and can not be confined by productive technique.
本文讨论了路易斯酸及路易斯碱催化体系在外消旋体(动态)动力学拆分反应中应用的最新进展。
Recent progress in the applications of non-enzymatic system about Lewis acid and base to (dynamic) kinetic resolution reactions of racemes is reviewed.
近年来，多孔氮化硅基材料因为在高温固体碱催化、传感器等领域的潜在应用，而受到广泛的关注。
Recently, porous silicon nitride materials have attracted much attention because of their potential applications in high temperature solid base catalyst, sensors and so on.
比较三种不同鱼油原料脂肪酸组成、含量和各项品质指标，选取步鱼油用碱催化法进行乙酯化反应。
Compare three different fish oil materials on fatty acids composition, content and quality indexes, choose menhaden oil for the synthesis of ethyl esters by alkaline catalyst.
生物柴油生产过程中的催化剂是一个很关键的问题，目前实际生产中碱催化和酸催化应用较为广泛。
The catalyst was critical in the preparation of biodiesel. At present, base-catalyzed and acid-catalyzed reactions were widely used in the actual biodiesel preparation.
介绍了以甲醛、丙醛为原料，水为反应介质，碱催化进行交叉康尼扎罗反应制备三羟甲基乙烷的方法。
A method of preparing trimethylolethane from formaldehyde and propionic aldehyde in water was introduced in the presence of the base through cross Cannizzero reaction.
本文采用固体碱催化油脂和醇进行酯交换反应制备脂肪酸酯，着重于固体碱催化剂的研制及工艺优化。
The paper describes the transesterification reaction of oil and fat with alcohol to make fatty acid ester in presence of a solid base catalyst.
以苯酚、甲醛为主要原料合成了可发性碱催化酚醛树脂，并加入匀泡剂、发泡剂和固化剂制备了酚醛泡沫。
Phenolic resin was synthesized mainly from phenol and formaldehyde as raw material. The phenolic foam was prepared by adding foam stabilizer, foaming and curing agent.
脱苯甲酰基方法在此粗分为四类，即酸催化水解法、碱催化水解法、选择性脱苯甲酰基法和其它特殊方法。
The methods are divided into four kinds: acid catalytic hydrolysis, alkali catalytic hydrolysis, selective debenzoylation and special methods.
本文首次以曲霉油作为原料，选用乙二醇单丁醚作为溶剂，KOH作催化剂，碱催化异构化法制备共轭亚油酸。
Then conjugated linoleic acids were prepared from fungal oil by alkali isomerization using KOH as catalyst and 2-butoxy ethanol as solvent for the first time.
在原料脱臭馏出物预处理后，以甲醇钠为碱催化剂，将原料与甲醇进行反应，使原料中的甾醇酯转化为游离甾醇。
After the pretreatment of PODD, sterol ester in PODD can be transesterified into free sterol with methanol while methanolic sodium as catalyst.
研究了在稀碱催化下邻羟基苯乙酮和苯甲醛在乙醇溶液中的羟醛缩合反应，溶剂可以循环使用，适合工业化生产。
During the condensation reaction, the feedstock remaining after reaction can be recycled, and this synthesis route was suitable for the commercial production.
在3-（2＇-苯并咪唑基）-3-羟基丙酸乙酯水解过程中，苯并咪唑基以分子内一般碱催化方式参与催化酯的水解反应。
Benzimidazolyl group exhibits catalytic activity in the way as intramolecular general-base catalysis in the hydrolysis of 3-(2'-benzimidazolyl)-3-hydroxy propionate.
将合成出的具有特定结构的复合型固体碱催化剂，与溶有纯化碱木素的四氢呋喃建立起多相催化体系，对碱木素进行了多相催化羟甲基化作用。
A heterogeneous catalytic system for methylolation of alkali lignin was constituted of tetrahydrofuran containing purified alkali lignin and solid alkali catalyst with special structure .
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