selectivity of catalyst
英 [sɪˌlɛkˈtɪvɪti ɒv ˈkætəlɪst]
美 [sɪˌlɛkˈtɪvəti əv ˈkætəlɪst]
网络 催化剂的选择性
双语例句
- We would like to measure the intrinsic selectivity behavior of a catalyst independent of any potential disguises.
我们很想去掉任何可能的假象以测定催化剂固有选择性的可能。 - Result showed that both the activity and selectivity of catalyst could meet the demand of industrial design.
结果表明催化剂活性、选择性等达到工业设计要求。 - Fischer-Tropsch synthesis is one important technology for gas to liquid ( GTL). The activity and selectivity of catalyst are key factors in this process.
费托合成技术是一种重要的气变液（GTL）技术，其关键是研发高活性、高选择性、性能稳定、使用寿命长的催化剂。 - The developing history of PNP from mononuclear to dinuclear and trinuclear was introduced, and influences of PNP structure on the stability, activity and selectivity of the catalyst were emphasized.
重点介绍了PNP由单核向双核、三核的开发进程，并讨论了其结构对催化剂稳定性、活性和选择性的影响。 - While Cs decreased both the activity and the selectivity of the catalyst.
在693K以下，Cs离子对催化剂的活性和选择性均起抑制作用。 - The results of TPR, XRD and XPS showed that the existence of CeO 2 could enhance the interaction between the active component and carrier, adjust the composition of Ni species in the catalyst, and increase the activity and selectivity of the catalyst.
TPR、XRD、XPS结果显示，CeO2的加入能够增强活性组分与载体的相互作用，调变催化剂中镍物种的组成，可提高催化剂的活性及稳定性。 - They both had higher catalytic activity and selectivity. The catalytic activity and selectivity of different catalyst has been studied extensively.
总之，二种HTLcS催化剂太原理工大学硕士研究生学位论文均表现出了较高的催化活性和高选择性。 - Selectivity of GS-08M catalyst was enhanced about 1 percent higher than that of GS-08 by adding some of new selectivity-promoting additives and optimization of preparation technique.
通过引入新的选择性调变剂和优化制备工艺，GS-08M催化剂的选择性比GS-08催化剂提高近1个百分点。 - The results show that suitable ammonium exchange may increase the activity and selectivity of the catalyst.
结果表明，在对SAPO-11分子筛进行适当的铵交换后引入铂，可以提高催化剂的活性和选择性。 - Effects of promoters on selectivity and activity of catalyst in the process of hydrogenation of soybean oil
金属助剂对豆油氢化催化剂选择性和活性的影响 - The pretreatments of supports by halogenation can increase the selectivity of catalyst significantly.
载体经过卤化铵预处理可大幅度地提高催化剂的选择性； - Selectivity of the catalyst with specific surface about 1m~ 2/ g tends to increase with increasing capability of water absorption and the total pore volume of the carrier, especially for carriers having pores with a radius of greater than 30 μ m.
在载体比表面积接近1m~2/g的情况下，孔容越大，吸水率越高，特别是孔半径大于30μm的孔容所占的比例越大，催化剂的选择性就越高。 - So the preparation method of catalyst will influence the nature, activity, selectivity and stability of catalyst.
不同方法制备的催化剂，其物化性质也会发生变化，从而影响到其活性、选择性和稳定性。 - Gas phase hydrogenation of furfural was investigated under atmospheric pressure on Cu/ TiO2 catalyst. Effects of different reaction conditions, Cu contents and promoters on the activity and selectivity of the catalyst were discussed.
在常压条件下进行了糠醛的气相加氢反应，讨论了铜含量、反应温度、氢醛比、助剂对糠醛加氢活性和选择性的影响。 - Ultrastable Y zeolite is the major active components of catalytic cracking catalyst, and its modification process can produce some key effects on the ability of resid cracking, hydrothermal stability, and product selectivity of catalyst.
超稳Y型分子筛是催化裂化催化剂的主要活性组分，其改性工艺对催化剂的重油裂解能力、水热稳定性、及产品的选择性等都有关键性的影响。 - The activity and methyl formate selectivity of the Cu-Cr oxide catalyst vary with the H2/ CO mole ratios. The actiVity and MF selectivity of Cu-Cr catalyst decrease with the augmentation of H2/ CO mole ratios.
Cu－Cr氧化物催化剂的催化活性和MF选择性随着H2/CO摩尔比的增加而降低。 - The following may be concluded: when selectivity of the catalyst is increased by regulating its formulation, its activity will be decreased;
结果表明：通过配方提高镍基催化剂的选择性必将降低其活性； - The effect of supporter and drying conditions on activity and selectivity of hydrogenation catalyst
载体和干燥条件对油脂加氢催化剂活性和选择性的影响 - The activity and selectivity of the catalyst is higher as compared with the traditional hydrogenation catalyst and the reaction condition is mild.
与传统的加氢反应相比，该催化剂的反应条件温和，加氢反应的活性和选择性高。 - Because heavy metal has great influence on the activity and selectivity of Catalyst in the FCC process, this article introduces the necessity to recover metals from waste FCC catalyst. The principle and development course of chemical regeneration and magnetic separation technologies for catalyst recovery were introduced.
从炼油厂催化裂化生产中面临的重金属影响催化剂选择性和活性的实际出发，介绍了催化裂化废催化剂脱金属回收的必要性以及化学再生技术和磁分离技术脱金属回收方法的原理和发展历程。 - The Zn modified catalyst has not improve the selectivity of catalyst for thiophene in model gasoline containing octene.
不同的金属离子改性表明：1.采用锌离子对催化剂进行改性，没有提高催化剂在烯烃存在时对噻吩的选择性。 - The selectivity of the catalyst for growing SiC W increased with the temperature.
SiC晶须生长的催化选择性随温度的增加而提高； - Optimal activity distribution aimed at maximizing the selectivity of isothermal catalyst pellets for parallel-consecutive reaction network
以选择性为目标的最优活性分布：平行&连串反应网络 - The FT-IR spectrometry was used to determine the acidity distribution on MOR zeolite, Synthesized at different conditions. The reaction activity and selectivity of catalyst samples were also investigated.
利用FT－IR光谱法测定不同条件下合成的MOR沸石的酸性分布，并考察其催化剂的反应活性和选择性。 - JAC-1 acrylonitrile catalyst has following characteristics: transformation rate is low, the yield of carbon monoxide and carbon dioxide are low and the selectivity of acrylonitrile catalyst is high.
JAC-1丙烯腈催化剂具有转化率低、两碳收率低、选择性高等特点。 - In comparison with the conventional aluminum sol binder used for FCC catalyst, using SP binder cold improve the cracking activity and coke selectivity of the catalyst.
采用这种新型粘结剂制备FCC催化剂，与常规粘结剂相比可以降低粘结剂用量的30%～40%，同时改善了催化剂的裂化活性和焦炭选择性。 - It was found that Ba can effectively promote the selectivity of the catalyst.
结果表明加入Ba可以有效提高催化剂的选择性。 - The experimental results show that the hydrogenation reaction temperature over this catalyst is considerably lowered comparing that on traditional catalysts, meanwhile, the high activity and selectivity of the catalyst are also maintained.
结果表明，该锌锰复合纳米催化剂不但具有很高的催化活性和选择性，而且相比传统的加氢催化剂所需反应温度较低。 - The catalytic process includes the catalyst system and reaction system. The selectivity and activity of catalyst can be regulated with changing of conditions.
催化过程包括催化剂体系和反应体系，通过各种条件的选择和匹配能明显地调变催化活性和选择性。