• 提高芳香族硝基化合物氢化催化剂性能在单铜催化剂引入稀土元素。

    Rare earths were introduced into mono-copper catalyst to improve the performance of hydrogenation catalyst for aromatic nitro-compounds.

    youdao

  • 例如,“裂解”在催化剂加热下,将大分子的合物破坏的。

    For example, "cracking" involves breaking larger hydrocarbons into smaller ones with either heat or catalysts.

    youdao

  • 商业上采用催化剂氢化

    Commercially two main types of hydrogenations are carried out with Nickel catalyst .

    youdao

  • 结果表明均相催化剂对大豆油氢化催化剂更好的活性选择性

    The result showed that the homogeneous catalysts had higheractivity and selectivity than that of the Nickel catalyst when hydrogenating the soybean oil.

    youdao

  • 苯基、氰基基、羧基在反应中不受影响。因此这一聚合物催化剂特别适用基、腈基、羧基和酯基相连双键氢化

    Thus, this polymer catalyst is especially suited to the hydrogenation of the ethylenic double bonds which are linked to aromatic, cyano, carboxyl and ester groups.

    youdao

  • 研究了双氧水氢化催化剂硫酸镍形式回收工艺方法

    A method for recovering nickel in hydrogenate used catalyst of hydrogen peroxide in nickel sulfate form has been developed.

    youdao

  • 研究氢化2 -溴丙烷催化剂作用下合成异丙硫醇反应动力学,建立了动力学模型

    Kinetics for synthesizing isopropyl mercaptan from NaHS and 2-bromopropane in the presence of catalyst was studied; the reaction and the kinetic model of the whole process were investigated.

    youdao

  • 氢化通常催化剂情况下,分子(H2)其它元素化合物之间化学反应

    Hydrogenation: Chemical reaction between molecular hydrogen (H2) and another element or a compound, usually in the presence of a catalyst.

    youdao

  • 综述催化剂催化主要有机合成反应,包括氢化氧化异构化复分解

    Several kinds of ruthenium - catalyzed organic reactions were reviewed: hydrogenation, oxidation, isomerization, metathesis.

    youdao

  • 通过氧化物催化剂用于豆油选择氢化研究制备方法氢化条件催化剂活性影响

    The effects of catalyst preparation and hydrogenation conditions on the activity of copper-chromium oxide catalysts for selective hydrogenation of soybean oil was investigated.

    youdao

  • 本文以研究二铁硅烷氢化反应作为重点以期通过硅氢化反应解决二茂铁衍生物作为催化剂固体推进剂中的迁移问题

    This thesis is focused on the hydrosilylation of ferrocenylsilanes, expecting to solve the problem of migration of ferrocene derivatives as combustion catalyst in solid propellant.

    youdao

  • 详细探讨了9908型催化剂不同氢化温度氢气压力以及催化剂浓度下氢化固体脂肪含量以及反式脂肪酸影响

    The effects of various hydrogenated temperatures, pressures and concentrations of 9908 catalyst on the solid fat content and trans fatty acids contents of hydrogenated oils were studied.

    youdao

  • 本文介绍了糖醇生产氢化所含催化剂的几种分离方法,并对几种分离方法的优缺点进行了详细比较

    The methods for separating catalyzer from hydride in the production of polyol are described. Their advantage and disadvantage are compared in detail.

    youdao

  • 如果需要补充加氢催化剂,则持续氢化直到转换完成

    The hydrogenation is continued until the conversion is complete, if required with addition of further hydrogenation catalyst.

    youdao

  • 工业生产山梨醇主要通过葡萄糖催化剂存在高温高压氢化制得。广泛用于医药化妆等行业

    In industrial production, sorbitol is manufactured from glucose by hydrogenation under high temperature and pressure conditions. It is used widely in pharmacy and cosmetics and the like industry.

    youdao

  • 结果表明,9908型催化剂适合油脂选择性氢化9910型则适合植物油的极度氢化

    The results indicated that 9908 catalyst was a kind of fine performance selective hydrogenation catalyst, and the 9910 was suitable for extreme hydrogenation.

    youdao

  • 结果表明,温度氢化反应异构影响较大,氢气压力催化剂浓度对异构化影响相对较小。

    The research showed that temperature affected the isomerism most, then the pressure of hydrogen and the concentrations of catalyst.

    youdao

  • 研究了不同用量催化剂生漆催化氢化影响

    The effects of the different amounts of Pd C catalyst on the hydrogenation of raw lacquer were investigated.

    youdao

  • 综述了近年不对称催化氢化反应中固载催化剂研究进展

    The research progress of supported catalysts for asymmetric catalytic hydrogenation was reviewed.

    youdao

  • 纳米级二氧化钛载体催化剂氢化硅烷化中的应用使用催化剂氢化硅烷化方法以及包括该催化剂组合物。

    Platinum catalysts that are supported on nanoscale titanium dioxide, use thereof in hydrosilylation, hydrosilylation method using said catalysts and compositions comprising said catalysts.

    youdao

  • 发明涉及载体上催化剂催化氢化相 应的脂族化合物的方法

    The present invention relates to processes for the catalytic hydrogenation of aromatic amines to their acyclic counterparts using a ruthenium catalyst on a lithium aluminate support.

    youdao

  • 手性化合物可用催化剂优选可用作不对称转移氢化方法中的催化剂

    The chiral compound can be used as a catalyst, preferably in an asymmetric transfer hydrogenation process.

    youdao

  • 研究以硼氢化修饰雷尼催化剂催化松油醇加氢制备二氢松油醇反应。

    The hydrogenation of terpineol to dihydroterpineol catalyzed by Raney Nickel modified by potassium borohydride was studied.

    youdao

  • 因为吸收大量常用作除氢的过滤器氢化作用催化剂

    Because it can absorb large amounts of hydrogen, it is used as a purification filter for hydrogen and a catalyst in hydrogenation.

    youdao

  • 制备了以超细二氧化硅为载体氰乙基化可溶性蛋白质-催化剂,研究了三丁基锡氢化酰氯化合物偶联反应的催化活性。

    Silica supported cyanoethylated soluble protein-Pd has been prepared and its catalytic activity in the cross-coupling reaction of tributyltin hydride and acid chlorides was studied.

    youdao

  • 制备了以超细二氧化硅为载体氰乙基化可溶性蛋白质-催化剂,研究了三丁基锡氢化酰氯化合物偶联反应的催化活性。

    Silica supported cyanoethylated soluble protein-Pd has been prepared and its catalytic activity in the cross-coupling reaction of tributyltin hydride and acid chlorides was studied.

    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