The silylation of support TS-1 led to the increase of catalyst activity and selectivity.
对载体进行适量的硅烷化处理，有利于提高催化剂的活性和选择性。
The results obtained from comparison tests with imported catalysts show that the catalyst has higher activity and selectivity.
对比评价表明，自制的催化剂活性及选择性高于进口的液相醛加氢催化剂。
Influences of modification species and modification times on activity and selectivity of the catalyst were also investigated using toluene disproportionation as the probe reaction.
以甲苯的歧化反应为探针，考察了改性剂的种类和改性次数等因素对催化剂选择性和活性的影响。
A successful technical catalyst is required not only to have high activity, selectivity and heat-resistance, but also enough high mechanical strength in order to resist some mechanical stresses.
一种成功的工业催化剂，除具有足够的活性、选择性和耐热性外，还必须具有足够的机械强度，以便抵抗在使用过程中的各种应力。
The lab results showed that the catalyst has good activity, selectivity and stability.
实验室研究结果表明，该催化剂具有良好的活性、选择性和稳定性。
This paper reviewed the effects of the non uniform distribution of active components on the activity, selectivity and stability of catalyst.
本文评述了活性组分不均匀分布对催化剂的活性、选择性和稳定性的影响。
The effects of reaction temperature, concentration, space velocity etc. on the activity and selectivity of the catalyst as well as its thermal stability were examined in fix bed reactor.
在固定床上，考察了反应温度、浓度、空速等对催化剂活性和选择性的影响及催化剂的耐热稳定性。
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。
Mechanical test results must be evaluated In conjunction with catalyst activity, selectivity, and stability data.
必须将机械测试结果和催化剂活性、选择性和稳定性数据联系起来进行综合评价。
The catalyst has high catalytic activity and excellent stability, both the conversion rate of TAME and the selectivity of isoamylene can be over 99%.
该催化剂具有良好的活性和稳定性，TAME转化率和异戊烯的选择性均超过99%。
The activity, olefin selectivity and thermal stability of F -T catalyst can be improved by using ultrafine particle with a suitable promoter.
利用超细粒子并选用适当的助剂提高了F-T过程的反应活性，选择性和热稳定性。
The perfermance test on a commercial riser cracker shows that meta-Y-3A molecular sieve cracking catalyst is of high activity and improved gasoline selectivity.
偏Y-3A分子筛裂化催化剂在提升管催化裂化工业装置上使用试验的结果表明，该催化剂的裂化活性较高，汽油选择性较好。
It was also shown that activity of tri metal catalyst was higher than that of bi metal one, and selectivity of Cu ni Cr catalyst was higher than that of nickel catalyst.
结果表明，三元金属催化剂的活性高于二元金属催化剂，选择性高于单元金属催化剂。
Carbon materials have high catalytic activity and selectivity to propene for ODP. Compared with activated carbon and graphite, CNF is a promising catalyst for ODP due to its structure peculiarities.
结果表明炭材料自身对于OD P过程具有较高的活性和选择性，尤其是CNF由于其独特的结构特点更适合用作odp过程催化剂。
The commercial trial results showed that FC-24 catalyst possessed stable high activity and good selectivity, thus the product slates were high in total C5 + liquid yield and low in gas yield.
标定结果表明，FC - 24催化剂具有较高的活性且稳定性好，产品选择性好，产气少、C5 +液收高。
Nanometer catalyst material had peculiar crystallographic structure and surface property, thus its catalytic activity and selectivity were too much greater than these of traditional catalyst.
由于纳米材料催化剂具有独特的晶体结构及表面特性，因而其催化活性和选择性大大高于传统催化剂。
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。
The methanation catalyst of carbon dioxide in the invention shows superior activity and methane selectivity in the methanation reaction of the carbon dioxide.
本发明提供的二氧化碳甲烷化催化剂在二氧化碳的甲烷化反应中显示出优越的活性和甲烷选择性。
The results indicated that the catalyst was good in activity, selectivity and stability.
该催化剂与参比剂相比，有良好的催化活性、选择性和稳定性；
The commercial results indicated that the activity and selectivity of the regenerated catalyst can be fulfilled the long term operation.
生产实践表明，RN - 1催化剂再生后的活性和选择性能满足长周期生产要求。
The catalyst has high activity, selectivity and the characteristic of reaction controlled phase transfer catalyst.
该催化剂具有高活性、高选择性，且具有反应控制相转移催化剂的特性。
The catalytic activity, selectivity and stability of the catalyst for esterification were investigated. The results show that the refluxing-adsorption method is advantageous to prepare the ca…
同时以酯化反应为催化模型，考察了催化剂在酯化反应中的催化活性、选择性、稳定性等性能指标，并得出了制备此催化剂的最佳条件。
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。
The effects on the catalytic activity and selectivity of reaction temperature, time, pressure, quantities of catalyst and the kinds of solvent were observed.
分别考察了反应温度、反应压力、反应时间、催化剂用量及反应溶剂对反应的影响。
The catalyst had high activity and high selectivity in esterification of phthalic anhydride with isoamyl alcohol.
该催化剂对邻苯二甲酸酐和异戊醇的酯化活性高，无副反应。
Said catalyst features high reaction activity and selectivity and less by-product.
该催化剂具有反应活性和选择性高副产物少的特点。
The catalyst has high activity, high selectivity, high stability, long service life and high catalytic efficiency.
本发明使得催化剂的活性和选择性高、稳定性好、使用寿命长、催化效率大大提高。
When said catalyst is used for making Fischer-Tropsch synthesis reaction, as compared with skeleton iron it possesses high activity and selectivity.
该催化剂用于费托合成反应时，具有比骨架铁高的活性和选择性。
The catalyst has high catalytic activity, good selectivity and stability, environment protection, simple preparation and lower cost.
本发明所述催化剂具有催化活性高、选择性好、稳定性良好、环境友好、制备简单、成本低的优点。
Its advantages include high activity and selectivity of catalyst, easy separating and reuse of catalyst, and low cost.
且催化剂颗粒较大，易于从反应产物中分离，催化剂可重复使用，明显降低了生产成本。
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