反催化剂

Raney nickel catalyst was used in hydrogenation of the turpentine and c-pinane,t-pinane,camphene and isocamphane and some other monoterpane s were determined.

用雷尼镍为催化剂对松节油进行了加氢实验，获得顺蒎烷、反蒎烷、莰烷、异莰烷等单萜烷类化合物，采用气相色谱"反吹、微流控"技术的色谱-质谱分析方法，测得了它们的保留时间和质谱图，为进一步研究原油或抽提物轻馏分中单萜烷类化合物的地球化学意义提供了一些基础性数据。

Examples of Main Applications:1 A variety of high temperature, corrosive liquid filtration, and catalyst filtration in chemical and petrochemical industries;2 Viscose and polymer filtration in synthesized fibers and film industries;3 Filtration of various catalysts in pharmaceutical industry;4 Gas sparger/diffuser,and flow homogenization;5 lubricant filtration.

石油化工行业中各种高温，腐蚀液、催化剂的过滤；2）化纤薄膜工业中各种聚合物熔体的过滤净化；3）制药行业中的各种催化剂的过滤分离；4）用于气体分布，液态化床孔板材料；5）用于高压反冲洗油过滤器等。

The result shows that catalyst concentration, reaction time, urushiol concentration and temperatures affect the polymer yield in oxypolymerization of urushiol system.

讨论了该配合物作为催化剂，催化漆酚氧化聚合反应时，催化剂浓度、时间、底物浓度以及温度对漆酚氧化聚合反应的影响。

The Effect of different reaction conditions (solvent, reaction temperature, molar ratio of iodobenzene and acrylic acid, kind and amount of base, amount of catalyst, reaction time) on the yield was investigated. The suitable condition of the reaction was obtained.

考察了不同反应因素（溶剂、温度、原料比、缚酸剂及其用量、催化剂用量、反应时间）对反应的影响，确定了该催化剂对碘代苯与丙烯酸交叉偶联生成反式－肉桂酸的适宜反应条件。

Its catalytic performance for Heck arylation of acylic acid with iodobenzene shows that the catalyst has catalytic activity and regioselectivity for the synthesis of trans-phenylacrylic acid.

结果表明该催化剂具有较高的催化活性和立体选择性，可高转化率、高产率地合成反式苯丙烯酸；通过简单的过滤、溶剂洗涤回收催化剂，并能多次重复使用。

The results indicate that little conversion of iodobenzene was observed on unmodified carrier supported catalysts; and a conversion of 100% and a selectivity of above 98% to trans-isomers were found over 10%Cu/5%KF/ZnO, 20%Cu/10%KF/ZnO.

结果表明，对碘苯与丙烯酸正丁酯的Heck反应的催化性能，未改性催化剂基本没有活性，而改性后，10%Cu/5%KF/ZnO、20%Cu/10%KF/ZnO催化剂的催化转化率为100%和反式异构体的选择性为98%以上。

Surface complex supports VSiO, which have good engineering character, and supported Pd/VSiO and Cu/VsiO catalysts have been prepared by surface chemical reaction modification and isovolume impregnation method, respectively. BET, TPR, chemisorption-IR chemisorption-TPD and microreaction techniques have been used to study the adsorption activation and partial oxidation reactivity of CO〓 and C〓H〓 on the Pd/VSiO and Cu/VSiO catalysts.

以表面化学反应改性法制备了工程性质优良的VSiO表面复合物载体，并以等体积浸渍法制备了负载型的Pd/VSiO和Cu/VSiO催化剂；采用BET、TPR、化学吸附—IR、化学吸附—TPD和微反技术研究了Pd/VSiO和Cu/VSiO催化剂对CO〓和乙烷的吸附活化和部分氧化反应性能。

The synthesis of alkylcyclohexylbenzoic acid: take the synthesis of ethylcyclohexylbenzoic acid as a typical example. With the AlCl3 as the catalyst, cis+trans acetylcyclohexylbenzene is synthesized from the reaction of acetyl chloride, cyclohexene and benzene.

烷基环己基苯甲酸的合成研究：主要研究了乙基环己基苯甲酸的合成，以乙酰氯、环己烯、苯为原料，三氯化铝为催化剂，合成乙酰基环己基苯，用水合肼、氢氧化钾、一缩二乙二醇经过高温加热还原羰基(Wolff-黄鸣龙还原)，将所得到的乙基环己基苯用乙酰氯进行傅克酰基化得到乙基环己基苯乙酮，所得中间体经过处理之后直接得到反式产物，将反式异构体的乙酰基氧化得到反式烷基环己基苯甲酸。

The relations between the amount of the agent and crosslinking degree, mechanical property, heat resistent,thermal stability and pyrofluxibility were studied in detail.

通过熔融反应、模压和注射成型，研究了热可逆交联剂DCPD_2及其盐与聚氯乙烯的交联反应时，交联剂种类与用量、催化剂种类与用量、助催化剂聚醚分子量大小对交联程度、力学性能、耐热性与热稳定性、流动性能等的影响。

In the preparation method, primary soybean oil and deep hydrogenation soybean oil, or primary rapeseed oil and deep hydrogenation rapeseed oil are adopted as raw materials; sodium methoxide is selected as a catalyst; the consumption of the catalyst is 0.1 percent to 0.5 percent; the reaction temperature is 70 DEG C to 110 DEG C; therefore, the primary soybean oil and the deep hydrogenation soybean oil, or the primary rapeseed oil and the deep hydrogenation rapeseed oil have randomized lactide reaction for 10 min to 90 min, so as to change the composition of mixed oil triglyceride and obtain the low/zero trans fatty acid base oil with different melting points and the characteristics of solid fat.

本发明以一级大豆油和极度氢化大豆油，或一级菜籽油和极度氢化菜籽油为原料，选择甲醇钠为催化剂，催化剂用量0.1％～0.5％，反应温度70～110℃，使一级大豆油和极度氢化大豆油，或一级菜籽油和极度氢化菜籽油之间进行随机交酯化反应，反应时间10～90min，从而改变混合油甘三酯组成，得到具有不同熔点和固体脂肪特征的低/零反式脂肪酸基料油。

Do not gum up the work by telling mother what we are going to do .

别告诉母亲我们要干的事，那会把事情搞糟的。

In recent years, application of the partial prestressed concrete beam s is developed.

近年来，随着部分预应力砼梁应用的推广，发现我国规范所采用的名义拉应力法的计算结果不稳定。