• In addition, the commercial application of newly developed DCC catalyst with high propylene selectivity was also summarized.

    另外开发丙烯选择性催化裂解催化剂工业应用情况进行了总结

    youdao

  • The special characters of copper colloidal catalyst is the high selectivity in the reaction of hydration of acrylonitrile to acrylamide.

    胶体催化丙烯腈水合制备丙烯酰胺反应突出催化特征选择性

    youdao

  • A hydrocracking catalyst with high selectivity to middle distillates was developed.

    开发了一种具有较高中油选择性加氢裂化催化剂

    youdao

  • The advantages of the method include rapid colour developing without catalyst, high sensitivity and selectivity.

    方法具有显色迅速不用催化剂灵敏度选择性较高以及不含乙醇等特点。

    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 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

  • 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

  • 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

  • In the oxidation process for manufacturing ethylene oxide, maintaining the high selectivity of the silver catalyst is essential to obtaining the best efficiency.

    乙烯氧化制环氧乙烷过程中,保持催化剂选择性发挥装置最好效益的行之有效方法。

    youdao

  • The relationship between the high selectivity of catalysis and the structure of active centre of copper colloidal catalyst in selective hydration of acrylonitrile to acrylamide was studied.

    研究胶体催化丙烯腈水合制丙烯酰胺选择性活性中心结构关系

    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 result showed proper reaction temperature, catalyst to oil ratio and short reaction time may detriment thermal cracking reaction, hydrogen transfer reactions, and get high propylene selectivity.

    结果表明:适当的反应温度,反应时间可能损害裂化反应,转移反应获得丙烯选择性

    youdao

  • The catalyst has high selectivity and the whole process is environmentally acceptable.

    催化剂选择性整个过程好的生产环境

    youdao

  • The present invention has mild reaction condition, simple operation, easy-to-obtain catalyst, high reaction selectivity and high conversion rate and has high industrial practicability.

    发明具有反应条件温和操作过程简单催化剂价廉易得、反应选择性好、反应转化率高等优点,是一种满足工业化需求、实用性很强的方法。

    youdao

  • The present invention relates to a high selectivity, high activing new type solid acid catalyst for esterification and its preparation method.

    发明一种酯化反应用选择性高活性新型固体催化剂及其制备方法。

    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

  • 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

  • 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

  • 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

  • The current method offers several advantages including high yields, good selectivity, the use of BiCl3 as an inexpensive catalyst, solvent-free, simple experimental procedure.

    方法具有在反应过程中收率、选择性催化剂廉价、反应不需要任何有机溶剂、反应速度快、后处理简捷等优点。

    youdao

  • The current method offers several advantages including high yields, good selectivity, the use of BiCl3 as an inexpensive catalyst, solvent-free, simple experimental procedure.

    方法具有在反应过程中收率、选择性催化剂廉价、反应不需要任何有机溶剂、反应速度快、后处理简捷等优点。

    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