查询词典 catalysis

Both electrolysis oxidation and catalysis decomposition can reduce the concentration of hydrazine to 10^(-5) mol/L.

两种方法均可将硝酸溶液中肼的浓度降低到约10^(-5) mol/L以下。

The analysis of hydrogen-producing nature was presented through the point of catalysis of hydrogenase, the production of energy and its transportation. From author's view, the course of de-hydrogen from pyruvic acid to acetyl-CoA was the chief determinant for hydrogen producing. And the balance and adjustment of NADH/NAD〓 was just the necessary condition, not the foundation reason.

本文从产氢反应的催化体系、能量产生和传递等不同角度对产氢本质进行了系统的理论分析，认为产氢发酵的第一判定条件（即产氢发酵的充分必要条件）是丙酮酸-乙酰CoA脱氢过程；而NADH／NAD〓的平衡调节机制只是必要条件，不是产氢发酵的根本动力。

The catalysis behavior of Fe-MCM-48 and V-MCM-48 for the hydroxylation of benzene were studied.

并初步研究了Fe-MCM-48和V-MCM-48对苯的羟基化反应的催化活性。

Especially in surface catalysis, fuel cell and conductive composite materials, ILs has plenty of practical needs.

特别在表面催化、燃料电池中的电解质和导电复合材料方面，离子液体已经有大量的实际应用需求。

It was detected by DSC that the temperature of imide and crosslinking reaction are differentiated by the catalysis of acetyl acetone copper and rare earth.

DSC研究表明乙酰丙酮铜催化剂和稀土催化剂可以分开低聚物的亚胺化和交联反应温度。

The synthesis process comprises using chiral phosphorus acid as catalysis, synthesizing 2-(4, 7-indoline) compound in high efficiency and highly enantioselective by using sulfur imide and 4, 7-indoline compound, and products can be used to prepare several 2-dimethylamino indoline compounds with high optical activity through oxidation reaction.

以手性磷酸作为催化剂，由磺酰亚胺和4，7-二氢吲哚化合物可以高效率高对映选择性的合成2-甲氨基(4，7-二氢吲哚)化合物；产物可以经过氧化反应用于制备多种高光学活性的2-甲氨基吲哚化合化合物。

Among them, metal phosphonates have been widely studied for potential applications such as ion exchange, catalysis and intercalation.

其中，金属烃基膦酸化合物因其潜在的离子交换、催化和吸附等功能而得到了广泛的研究。

It is clear that catalysis with ion exchange resins provides an effective and efficient answer to a number of catalytic problems.

很明显，用离子交换树脂进行催化是解决许多催化问题的一种有效办法。

Recent developments in the synthesis,modification and catalytic properties of titanium silicalite molecular sieve are reviewed,including the developments in the synthesis of TS-1 with hydrothermal and isomorphous replacement methods,the modification of TS-1,as well as applications in catalytic oxidation and acid catalysis systems.

本文重点综述了近年来钛硅分子筛催化材料的合成、改性及其催化应用的研究进展，包括钛硅分子筛（TS-1）的水热合成方法和同晶取代合成法、改性、成型与负载以及钛硅分子筛催化氧化功能和酸催化功能的研究。

In order to thoroughly study the effect of mineral catalysis on the hydrocarbon generation of organic matter, the comparative experiments of whole rock and kerogen for 4 samples were completed under different temperature, respectively, by means of thermal simulating experiment in the open system.

为了深入研究矿物催化作用对有机质产气的影响，采用开放体系下的热模拟实验，在不同温度下对4个样品分别进行了全岩和干酪根生气对比研究。

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％。