查询词典 hydrogenolysis

Hydrogenation of N=O group is easier than hydrogenolysis of the C-Cl bond on the hydrogenation of chloronitrobenzene .

氯代硝基苯中N=O极性键的加氢较C-Cl键的氢解容易进行，肉桂醛中C=O极性键较C=C键的加氢难。

The ZnO/MCM-41 catalyst exhibits high activity for the hydrogenolysis of methyl benzoate to toluene or benzene.

该催化剂具有较高的苯甲酸甲酯氢解活性。

Among those methods,hydrolysis and hydrogenolysis of organic sulfur are utilized wildly nowadays,and are described in detail.It is pointed out that the d...

最后，对有机硫脱硫剂的发展进行展望，提出以复合金属氧化物作为脱硫剂，既能保证脱硫精度，又可降低成本，是较好的选择。

The introduction of extended corresponding state parameter θ can reflect effectively hydrogenolysis on water at the region of high pressure and low temperature and improve the precision of the second virial coefficients of water and humid air.

本文目的是运用对应态原理对高温、高压、湿空气的第二和第三维里系数进行研究。1湿空气模型干空气采用美国国家标准和技术局的标准空气

The carbonylation of methanol, hydrogenolysis of methyl formate and concurrent methanol synthesis are analyzed with gas phase thermodynamics data.

首先求出了三个反应在不同温度下的平衡常数。

After that, we introduced a new approach to synthesis of valiolamine, by a series of reaction to the carbon-carbon double bond from the substrate of valienamine, including epoxidation, hydrogenolysis and so on, and obtained the aim product finally.

在完成上述合成路线后，本文通过提出了一条全新的合成伏格列波糖重要中间体valiolamine的路线，即采用对底物valienamine中的碳-碳双键进行环氧化、氢解等一系列反应，成功地制备出所需的中间体，研究全新的合成伏格列波糖的路线，研究结果证实：该新路线已经被打通。

Dehydrochlorination and dichloroelimination are proposed as the mechanism for the reaction. The possible dechlorination or hydrogenolysis is excluded from the system by both experimental data and the theory analysis.

一方面从机理解释上，给出了与之相对应的脱HCl反应机理和双氯消除机理，对存在疑问的脱氯加氢反应过程，从原理和实验两方面证明在FeS-水体系中的不可能性。

In the first chapter of this thesis, we prepared the desired β-amino acid ester starting from 1-tridecanol and converted it to the corresponding γ-amino alcohol via LAH reduction and hydrogenolysis.

在论文的第一章，我们从十三醇出发，以S型苄基保护的α-甲基苄胺为手性源，经过多步反应制得光学纯的β-氨基酸酯衍生物。

The influence of addition of Re species and the preparation methods of the ZrO2 support on the catalytic performance of Ru/ZrO2 and Ru-Re/ZrO2 catalysts for glycerol hydrogenolysis were investigated.

考察了Re组分及ZrO2载体制备方法对催化剂在丙三醇氢解制丙二醇反应中的催化性能的影响。

The transition metal carbides were a new class of catalysts which had good catalytic activity and selectivity and were widely used in hydrogenolysis,dehydrogenation,desulfidation,denitrification,reforming,and other hydrocarbon conversion reactions.

过渡金属碳化物作为一种催化新材料得到了人们广泛的关注，在催化加氢、脱氢、脱硫、脱氮和重整等方面，表现出优良的催化活性和选择性。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。