catalytic selectivity
英 [ˌkætəˈlɪtɪk sɪˌlɛkˈtɪvɪti]
美 [ˌkætəˈlɪtɪk sɪˌlɛkˈtɪvəti]
催化选择性
双语例句
- The niobium catalysts had high catalytic activity, selectivity and long service life, so the development of new type of niobium catalysts has a good prospect.
铌类催化剂具有催化活性高、选择性好和使用寿命长等优点。研究开发新型铌类催化剂具有良好的应用前景。 - Urushibara-Co showed the best catalytic selectivity, and the hydrogenation provided PPI dendrimer of1.
漆原钴的催化选择性好，催化氢化过程中发生的副反应较少，还原产物1。 - The catalytic activity and selectivity of the catalysts for n-pentane isomerization at ambient temperature were investigated.
考察了所制备的催化剂上常温下正戊烷异构化反应的活性和选择性。 - The catalytic activity and selectivity of the cobalt complexes in cyclohexene oxidation using molecule oxygen as oxidant were examined.
以钴配合物为催化剂活化分子氧氧化环己烯，高选择性地得到烯丙位的氧化产物； - The results of halogenated nitrobenzene hydrogenation show that they have better catalytic activity and selectivity than Raney Ni catalyst.
通过对多种卤代硝基苯加氢评价，非晶态合金催化剂表现出了优于RaneyNi的活性和选择性。 - The hydroxy-aluminium pillared clay zeolite prepared by this way gives high catalytic activity and Selectivity for 1-hexene cracking.
用该法制备的羟基铝交联蒙脱土对己烯-1的催化裂化反应具有较高的活性及选择性。 - Multi-metal catalyst, Pd, Cu, Ag etc., added with rare earth elements had excellent catalytic activity and selectivity.
通过加氢实验表明，含有稀土元素、Pd、Cu和Ag等组分的多金属催化剂具有良好的催化活性和选择性。 - Measures of improving the catalytic hydrogenation selectivity of c_4
提高碳四催化加氢选择性的措施 - Supported heteropoly acid catalysts give fairly high catalytic activity and selectivity on vapor-phase nitration of benzene and diluted nitric acid and were characterized by ESR.
杂多酸负载型催化剂对苯和硝酸的气相硝化反应具有很好的催化活性和选择性。 - Many of this type of catalysts containing Pt-group metals have been discovered by far, and have high yield and catalytic selectivity.
此处介绍的是目前国外已发现的多种这类反应的以铂系金属为主的催化剂。它们大多数具有高的催化转化率和很好的选择性。 - Influence of supports, metals, promoters and preparation method on the catalytic activity and selectivity are discussed.
讨论了催化剂载体、主金属、助剂和制备方法等因素对催化剂活性和选择性等方面的影响； - Transition metal phosphides are becoming a main study topic in new catalytic material field due to their similar properties to transition metal nitrides and carbides as well as their excellent reaction activity and catalytic selectivity for deep hydrodesulfurization ( HDS) and hydrodenitrogenation ( HDN).
过渡金属磷化物由于具有与过渡金属氮化物和碳化物相似的物理性质和优异的加氢脱硫、脱氮活性及催化选择性成为新型催化材料研究领域的一个热点。 - The chemical and physical properties of Cu/ ZnO catalyst effect obviously the catalytic functions ( catalytic activity and catalytic selectivity) for the alcohol synthesis from synthesis gas.
Cu／ZnO系合成醇催化剂的化学与物理性质对其催化活性和选择性均有明显影响。 - Nanometer catalysts have much greater catalytic activity and selectivity than those of traditional catalysts because of their unique crystallographic structure and surface properties, and have been developed as catalyst of the 4th generation at home and abroad.
纳米材料具有独特的晶体结构及表面特性，其催化活性和选择性大大高于传统催化剂，目前已经被国内外作为第4代催化剂进行研究和开发。 - Result show that TiSiW12O40/ TiO2 is very high catalytic activity and selectivity.
实验表明，在合成DOP的酯化反应中，TiSiW（12）O（40）／TiO2具有极高的催化活性和选择性。 - The catalyst had high catalytic activity and selectivity.
实验结果表明，该催化剂具有很高的催化活性和选择性，能将邻甲乙苯转化为与均三甲苯易分离的组份。 - Among them, zeolite beta is one of the most active catalysts. However, the highest catalytic selectivity for p-MNT formation of the zeolite beta was the mostly noticeable.
结果表明，不同结构的沸石和杂多酸等固体强酸催化剂对液相二氧化氮选择性硝化甲苯的反应均具有较高的催化活性，其中β沸石表现出对甲苯对位选择硝化最高的选择性。 - The effect of Na remained in a Cu Fe mixed oxide catalyst, prepared by coprecipitation, on the catalytic activity and selectivity in CO 2 hydrogenation was investigated. The influence of reaction temperature on the performance of the catalyst was also examined.
研究了由共沉淀法制备的Cu－Fe－O混合氧化物催化剂上残留的碱金属钠对CO2加氢的催化活性、选择性的影响，考察了反应温度对催化剂性能的影响。 - Zircon-based composite oxide catalyst and gold catalyst loaded on molecular sieve showed relatively high catalytic activity, selectivity and stability and had expected application and commercialization prospects.
指出锆基复合氧化物催化剂和负载在分子筛上的金催化剂具有较高的催化活性和选择性及好的稳定性，具有一定的应用及工业化前景。 - It is shown that: ( 1) the catalytic selectivity to CO of the nanocrystallites is much higher than that of bulk powders;
结果表明，纳米微晶对CO的催化选择性明显高于一般粉料对CO的选择性； - The formation and growth of anatase crystalline phase is the key factor in the improvement of catalytic selectivity.
锐钛矿TiO2（A）晶相的形成与完善是提高催化选择性的关键因素。 - The results show that such complex has good catalytic activity and selectivity for catalytic methanol carbonylation.
结果表明，该配合物催化甲醇羰基化反应具有较好的活性和选择性。 - Result show heteropoly acids and salts of Ti4+, Al3+ etc have very high catalytic activity and selectivity for esterification reaction.
结果表明，杂多酸和Ti~（4+）、Al~（3+）等高电荷小体积离子的杂多酸盐具有极佳的催化活性和高选择性，是一类优秀的低温型酯化反应催化剂。 - One of important application of porphyrin derivatives are used as biomimetic catalyst in oxidation, and the catalytic activity and selectivity still need to be improved.
仿生催化是卟啉衍生物重要应用领域之一，其催化活性和选择性仍需进一步提高。 - The catalysts and reaction conditions have great influences on the catalytic activity and selectivity.
催化剂和反应条件对催化剂活性和产物的选择性影响较大。 - The results indicated that polyaniline nanoparticles have strong catalytic activity, selectivity and high conversion.
利用了该纳米粒子作为催化剂催化环己烯氧化反应，发现聚苯胺纳米粒子催化环己烯氧化具有很强的催化活性，而且产物的选择性和转化率都很高。 - In recent years, alloy catalysts, adding another metal in the pure metal catalysts, are paid more and more attention for its unique surface stability and catalytic selectivity, such as the palladium and its alloy catalysts in this article.
近年来，通过加入另一种金属形成的合金催化剂，因其独特的表面稳定性和催化选择性，受到越来越多的关注，如本文要研究的Au-Pd双金属催化剂。 - This research areas have attracted much attention due to their high catalytic selectivity and their high efficiency in the synthesis of organic building blocks from easily available starting materials.
由于其原料简单易得，催化选择性高而备受人们的关注。 - Cu/ SiO2 catalyst with appropriate crystallinity of copper has high catalytic activity and selectivity.
具有一定结晶度的Cu/SiO2催化剂活性高、选择性好。