• The silylation of support TS-1 led to the increase of catalyst activity and selectivity.

    载体进行适量烷化处理,有利于提高催化剂活性选择性

    youdao

  • The results obtained from comparison tests with imported catalysts show that the catalyst has higher activity and selectivity.

    对比评价表明,自制的催化剂活性选择性高于进口的液相醛加氢催化剂

    youdao

  • Influences of modification species and modification times on activity and selectivity of the catalyst were also investigated using toluene disproportionation as the probe reaction.

    以甲苯歧化反应探针考察了改性种类改性次数等因素催化剂选择性活性影响

    youdao

  • 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具有足够活性选择性耐热性外,必须具有足够的机械强度以便抵抗使用过程中的各种应力

    youdao

  • The lab results showed that the catalyst has good activity, selectivity and stability.

    实验室研究结果表明催化剂具有良好活性选择性稳定性

    youdao

  • 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均匀分布催化剂活性选择性稳定性影响

    youdao

  • 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.

    固定床上考察反应温度浓度空速催化剂活性选择性影响催化剂的耐热稳定性

    youdao

  • The activity and selectivity of the catalyst is higher as compared with the traditional hydrogenation catalyst and the reaction condition is mild.

    传统加氢反应相比催化剂的反应条件温和,加氢反应活性选择性高

    youdao

  • Mechanical test results must be evaluated In conjunction with catalyst activity, selectivity, and stability data.

    必须机械测试结果催化剂活性选择性稳定性数据联系起来进行综合评价

    youdao

  • The catalyst has high catalytic activity and excellent stability, both the conversion rate of TAME and the selectivity of isoamylene can be over 99%.

    催化剂具有良好活性稳定性TAME转化率和异戊烯选择性超过99%。

    youdao

  • 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助剂提高了F-T过程反应活性选择性稳定性

    youdao

  • 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,该催化剂裂化活性较高汽油选择性较好

    youdao

  • 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.

    结果表明金属催化剂活性高于二元金属催化剂,选择性高于单元金属催化剂。

    youdao

  • 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.

    结果表明材料自身对于OD P过程具有较高活性选择性尤其是CNF由于独特的结构特点更适合用作odp过程催化剂

    youdao

  • 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催化剂具有较高活性稳定性产品选择性好,少、C5 +

    youdao

  • 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表面特性因而催化活性选择性大大高于传统催化剂。

    youdao

  • 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PNP单核双核、三核开发进程,讨论了其结构催化剂稳定性活性选择性影响

    youdao

  • The methanation catalyst of carbon dioxide in the invention shows superior activity and methane selectivity in the methanation reaction of the carbon dioxide.

    本发明提供二氧化碳甲烷催化剂二氧化碳甲烷化反应显示出优越活性甲烷选择性

    youdao

  • The results indicated that the catalyst was good in activity, selectivity and stability.

    催化剂参比剂相比,良好的催化活性选择性和稳定性;

    youdao

  • 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催化剂再生活性选择性能满足周期生产要求。

    youdao

  • 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

    同时酯化反应催化模型,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,并得出制备此催化剂的最佳条件。

    youdao

  • 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

    youdao

  • The effects on the catalytic activity and selectivity of reaction temperature, time, pressure, quantities of catalyst and the kinds of solvent were observed.

    分别考察反应温度、反应压力、反应时间催化剂用量反应溶剂对反应影响。

    youdao

  • The catalyst had high activity and high selectivity in esterification of phthalic anhydride with isoamyl alcohol.

    催化剂对邻苯二甲酸酐异戊醇酯化活性,无副反应。

    youdao

  • Said catalyst features high reaction activity and selectivity and less by-product.

    催化剂具有反应活性选择性副产物的特点。

    youdao

  • The catalyst has high activity, high selectivity, high stability, long service life and high catalytic efficiency.

    发明使得催化剂的活性选择性稳定性好、使用寿命催化效率大大提高。

    youdao

  • When said catalyst is used for making Fischer-Tropsch synthesis reaction, as compared with skeleton iron it possesses high activity and selectivity.

    催化剂用于合成反应时具有骨架活性和选择性。

    youdao

  • The catalyst has high catalytic activity, good selectivity and stability, environment protection, simple preparation and lower cost.

    本发明所催化剂具有催化活性选择性好稳定性良好环境友好制备简单、成本低的优点。

    youdao

  • Its advantages include high activity and selectivity of catalyst, easy separating and reuse of catalyst, and low cost.

    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生产成本

    youdao

  • Its advantages include high activity and selectivity of catalyst, easy separating and reuse of catalyst, and low cost.

    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生产成本

    youdao

$firstVoiceSent
- 来自原声例句
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定