• 研究氨基磺酸、氟硼酸甲苯磺酸催化作用探讨了其催化机理

    The research was concentrated on the co catalysis effect and the related catalytic mechanism of strong acids, such as amino sulfonic acid, p toluenesulfonic acid and fluoroboric acid.

    youdao

  • 杂环卡宾金属络合物许多反应催化作用它们一类潜在应用价值催化

    N-heterocyclic carbene metal complexes have catalytic activities for many organic reactions, and they are a type of catalyst with potential value.

    youdao

  • 这个理论认为:催化催化作用电子迁移形式

    Upon this theory the catalytic effect of catalyst is attributed to the electron transfer.

    youdao

  • 这个理论认为 :催化催化作用电子迁移形式

    Upon this theory the catalytic effect of catalyst is attributed to the electron transfer.

    youdao

  • 临氢降凝催化催化作用下,随着催化改质温度升高汽油馏分率逐渐提高,重油产率、催化积碳率逐步减少。

    By the catalysis of FC catalyst, with the temperature of catalytic transformation rising, the yield of gasoline would rise, however, heavy oils and carbon residue were on the contrary.

    youdao

  • 纤维素吸附区促进的结合有利于催化溶性底物作用对可溶性底物的催化作用无影响。

    Cellulose binding domains improve the binding and facilitate the activity of catalytic domains on the insoluble substrate, but not on soluble substrate.

    youdao

  • 综述煤气化反应催化类型介绍金属化合物催化作用

    This paper reviews the types of catalyzer of coal gasification, and introduces the catalysis of metal compounds.

    youdao

  • 综述磺酸、无机盐、固体超强酸杂多酸稀土化合物催化体系合成柠檬酸三丁酯催化作用研究进展

    This article aims at summarizing the development of research on synthesis of tributyl citrate and the catalysis of sulfonic acid inorganic salt solid superacid heteropoly acid rare earth compound.

    youdao

  • 同时,涉及催化挥发AP推进剂热分解催化作用

    The research of the volatilization of the catalysts and the catalytic action of the catalysts on the thermal decomposition of AP or solid propellants are also involved.

    youdao

  • 醋酸介质中,痕量邻菲咯碘酸氧化玫瑰桃红R褪色反应有明显催化作用据此建立测定邻菲咯啉催化动力学光度

    The method is based on the catalysis of phenanthroline to the discoloring reaction of bordeaux R oxidized by potassium periodate in the dilute acetic acid solution.

    youdao

  • 概述了胶催化作用基本原理以及胶束催化有机合成中的多方面应用

    This paper summarized the principle of micellar catalysis, reviewed its various applications in organic synthesis, and described the effects of different factors on the micellar catalysis.

    youdao

  • 研究它们烯烃双键异构反应中的催化作用优化了这两种催化剂在1—己烯双键异构化反应中的反应条件

    Their catalytic activity for 1-hexene double bound isomerization was investigated and their catalytic reaction conditions were optimized for double bound isomerization.

    youdao

  • 本文研究了几种催化合成苯二甲酸酐不饱和聚酯催化作用

    The catalysis effect of some catalysts on the synthesis of unsaturated polyester of phthalic anhydride type was studied.

    youdao

  • 依据磷酸钠体系中的催化作用开发研究了无催化氨三乙酸

    Based on catalyzing hypothesis of sodium hypophosphite, we explored and studied a non-phosphorus catalyst---sodium nitrilotriacetate.

    youdao

  • 轻烃天然气由富含干酪根矿物基质上过渡金属催化作用形成不是干酪根和重质烃的热催化作用所致。

    Generation of light hydrocarbons and natural gas are formed through catalysis of transition metals, such as Ni, V, Ti C etc.

    youdao

  • 最后通过催化回收使用实验表明催化作用没有明显改变

    Seven recovery and recycle experiments were carried out. It was shown that the catalytic activities of the polyoxyethylenes were basically not changed.

    youdao

  • CO2气化反应过程中由于产生气体比较少催化中铁元素对残渣半的CO2气化起到了一定催化作用

    During the CO2 gasification reaction process, due to less sulfur content gas generated, the iron element in the catalyst would have certain catalyst effect to CO2 gasification of the semi-coke.

    youdao

  • 综述了金属分子树合成中的催化作用常规催化作了比较,最后展望了此类大分子应用前景

    The catalytic application of metallodendrimer in synthesis is reviewed and also compared with conventional catalysts. The applied perspectives of metallodendrimer in catalysis are previewed.

    youdao

  • 研究不同对柠檬催化脱水效果不同PTC催化作用效果,并用正交实验设计确定了使用KOH- TBAB催化脱水法合成柠檬腈最佳反应条件

    The catalytic dehydration of lemonile with various alkalis and PTC was studied. The optimal conditions dehydration to lemonile for KOH TBAB catalytic by orthogonal design were determined.

    youdao

  • 提出了一种新的微观催化机理:碱金属盐催化作用在于催化改变CC化学键作用程度,从而加速反应的进行。

    A new catalytic mechanism is proposed: the catalytic effect of a catalyst is attributed to the change of CC chemical bond by catalyst.

    youdao

  • 结果表明采用催化具有很好的相转移催化作用,磺化废水具有一定相转移催化作用

    The research results indicated that the sodium salt of monoester used as a catalyst was of a good catalytic function and so is the waste water. Hence, a new process…

    youdao

  • 甲烷催化燃烧目的通过催化作用降低燃料的起温度加深甲烷氧化程度从而提高燃料利用率

    Methane combustion aims to reduce the fuel's initiate burning temperature by catalysis, then to intensify the methane oxidation, and finally to improve the fuel's utilization ratio.

    youdao

  • 压力指数变化情况说明催化燃烧所起催化作用大小。

    Variety of the burning rate pressure exponent will give expression to the additive's catalysis to the propellant's combustion.

    youdao

  • 选择乙二醇以及至少金属醋酸盐共同组成高效聚酯催化体系,研究其对缩聚反应催化作用

    A high-activity catalyst system for polyester consisted of Sb 2(EG) 3 and at least one kind of metal acetate catalyst of manganese, zinc, cobalt or lead.

    youdao

  • 研究酸性阳离子交换树脂合成反应催化作用系统地探讨了各反应因素对反应的影响,研究发现,D- 72强酸性阳离子交换树脂具有较高的催化活性,并能重复使用。

    This paper investigates the catalysis of D-72 strong acid cation exchange resin on the synthesis of acetals, and systematically discusses the influence of reaction factors on the catalysis reaction.

    youdao

  • 由于金属磷酸钠的氧化没有催化作用,需要加入镍离子作为催化剂。

    The electroless copper plating system with sodium hypophosphite as the reducing agent has been received people's attention.

    youdao

  • 由于金属磷酸钠的氧化没有催化作用,需要加入镍离子作为催化剂。

    The electroless copper plating system with sodium hypophosphite as the reducing agent has been received people's attention.

    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