A high activity Cu base catalyst has been prepared for methanol synthesis by one step parallel flow coprecipitating method.
用一步并流共沉淀法制备了一种高活性合成甲醇铜基催化剂。
Accordingly, the thermal stability of polysiloxanes may be influenced by oxide, water, alcohol, acid, base, residual catalyst, silicone oil, mechanical stress, filler or the end groups of itself.
氧气、水或醇、酸、碱或残留催化剂、硅油、机械外力、填料、聚硅氧烷的链端基等都会影响聚硅氧烷的热稳定性。
Dibutylphthalate has been synthesized with zirconium base catalyst, and the suitable conditions of reaction have been determined.
利用锆基催化剂合成邻苯二甲酸正丁酯，确定了反应条件。
Diisooctyl Phthalate has been synthesized with zirconium base catalyst, and the suitable conditions of reaction have been determined.
利用锆基催化剂合成邻苯二甲酸异辛醇酯，确定了反应条件。
Iso octyl acetate was synthesized with zirconium base catalyst, and the suitable condition of reaction was determined.
利用锆基催化剂合成乙酸异辛醇酯，确定了反应条件。
Recently, porous silicon nitride materials have attracted much attention because of their potential applications in high temperature solid base catalyst, sensors and so on.
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。
The study provides a theoretical base for preparing high activity and high selective catalyst for pyridine synthesis.
该研究为制备高活性、高选择性的合成吡啶催化剂提供了理论依据。
Compared with the activity of sodium methoxide, sodium ethoxide, sodium isopropyl, sodium tert-butoxide, the best base catalyst was sodium tert-butoxide.
比较甲醇钠、乙醇钠、异丙醇钠和叔丁醇钠催化活性，叔丁醇钠为最佳的催化剂。
Ethyl acetate has been synthesized with zirconium base catalyst, and the suitable conditions of reaction have been determined.
利用锆基催化剂合成乙酸乙酯，确定了反应条件。
Activity of acid catalyst was higher than that of base catalyst.
酸催化比碱催化具有更高的反应活性。
A new solid base catalyst of calcium methoxide was made with calcium carbonate as the starting material.
以碳酸钙为基础材料，制成高效酯交换催化剂甲醇钙。
The modified titanium base solid acid used as catalyst for the synthesis of tributyl citrate from citric acid and butyl alcohol was investigated in this paper.
以改性钛基固体酸为催化剂催化合成柠檬酸三丁酯，确定了酯化优化条件。
Chitosan Schiff-base palladium catalyst was synthesized from chitosan and salicylaldehyde via grafting to form chitosan Schiff-base, followed by coordination with palladium salt.
水杨醛与壳聚糖反应制得壳聚糖席夫碱配体，此配体与钯盐反应得到壳聚糖席夫碱钯催化剂。
The variety and characteristics of solid base catalyst were summarized. And the application of solid base catalyst in the transesterification of lipid was discussed.
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 structure and shape of magnesia base catalyst-sorbent before and after denitrification were characterized by XRD and FT-IR.
利用红外光谱、X射线衍射对脱硝处理前后的氧化镁基催化吸附剂进行了分析，探讨其脱硝的机制。
Make sure that base paste and catalyst are mixed completely and are extruded in a uniform color.
确保基质膏剂和催化剂膏剂混合充分，而且压出时颜色均一。
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.
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。
This process is that depolymerization of PET with microwave radiation needn't acid, base and catalyst.
PET纯水微波解聚是指：在微波辐射作用下，PET在不加碱、不加酸、不加催化剂的纯水中进行解聚。
The reaction conditions of synthesizing 1-methoxy-2-propanol by solid base catalyst were investigated.
考察了固体碱催化剂上2—丙基甲醚合成反应的工艺条件。
Hartshorn(NH_(4)OH) was used as a new catalyst instead of acetic acid in the saponification reaction of base zinc salt of dioctyl thiophosphate (T203).
选用氨水溶液代替醋酸作为新型催化剂用于硫磷双辛基碱性锌盐（T203）的皂化反应。
The synthetic diamond tests were carried out using a six-anvil high-pressure apparatus and a new sheeted iron-base catalyst made by power metallurgy.
利用自行研制的片状粉末冶金铁基金刚石催化剂在六面顶压机上进行了金刚石合成试验。
The oil transesterification catalysts include usually used acid-base catalyst, solid base, lipase, iodine, metal complex, et al.
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 paper describes the transesterification reaction of oil and fat with alcohol to make fatty acid ester in presence of a solid base catalyst.
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。
As a novel solid base catalyst, the hydrotalcite-like compounds have been attracted more and more attention due to its good catalytic performance, tunable structure and low cost of raw materials.
水滑石类化合物作为一种新型的固体碱催化剂，以其良好的催化性能，结构可调变性，原料价格低廉易制得等特点，受到了越来越多的关注和重视。
The solid base catalyst in the method has the advantages of low in price, convenient recovery, and cyclically used.
该方法中的固体碱催化剂价格便宜，利于回收，可循环使用。
Methoxydiphenyl ether was synthesized from guaiacol by using various catalysts and bases. The influences of base, catalyst, temperature, time and the way of feeding on the reaction were studied.
以愈创木酚为起始原料，采用各种不同的催化剂与溴苯缩合制备得到邻甲氧基二苯醚，并研究了碱、催化剂、反应温度、反应时间和加料方式各种因素对该反应的影响。
The advantage of solid base catalyst and the conditions of dehydration and hydrogenation were investigated.
研究了固体碱催化剂的优点及催化加氢条件。
The combustion catalyst adopted by ordinary double base propellant can adjust the burning rate. It's necessary to study further on the combustion mechanism.
该推进剂具有低特征信号、低易损性等特点，用一般双基药所采用的燃烧催化剂可调节燃速，深入研究其燃烧机理很有意义。
The catalyst is characterized in that the catalyst is a tetradentate schiff base complex contains one or two organic base groups and has single active site initiation and controllable polymerization.
其特征是该催化剂系含有一个或两个有机碱基团的四齿席夫碱钴配合 物，具备单活性点引发和可控聚合。
The catalyst is characterized in that the catalyst is a tetradentate schiff base complex contains one or two organic base groups and has single active site initiation and controllable polymerization.
其特征是该催化剂系含有一个或两个有机碱基团的四齿席夫碱钴配合 物，具备单活性点引发和可控聚合。
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