简单双原子分子CO与过渡金属间的相互作用,可能导致化学键的断裂与形成,并且引发重要的表面催化反应。
The interaction between simple diatomic molecules such as CO and transition metal surfaces may lead to breaking and making chemical bonds and trigger important surface catalyzed reactions.
类似于甲烷的碳前体可吸热蒸发,熔化的前体和具有催化活性的基底相反应并在表面形成石墨烯。
A carbon precursor like methane can be vaporized using heat where the melted precursor reacts with a catalytically active substrate to form graphene on the surface.
利用在线质谱分析检测了在各种催化剂上甲烷的程序升温表面反应(TPSR)过程中不同物种的行为。
The behavior of different species during the temperature programmed surface reaction (TPSR) of methane over various catalysts is traced by an on line mass spectrometer.
实验采用TPSR、TPD、XPS和脉冲反应等方法系统研究了镍基催化剂表面积碳的形态和特点。
The varieties and features of surface carbon depositions on nickel catalyst were extensively investigated by TPSR, TPD, XPS and pulse reaction methods.
通过采用铂催化剂催化低含氢硅油与烯丙基聚醚的硅氢加成反应合成了有机硅聚醚表面活性剂。
Silicone polyether surfactant was synthesized by the addition reaction of low hydrogen content silicone and allyl polyether with Pt catalyst and under no solvent condition.
采用电解银表面化学修饰法研究了铼对乙烯环氧化反应的助催化作用。
The promoting effect of Re for ethylene epoxidation was investigated on Re modified electrolytic silver surface.
FTIR表征表明反应后的催化剂表面有乙酸物种生成,尤其是在含水进料方式反应后的催化剂表面尤为明显。
The characterization of FTIR demonstrates that the acetic acid species is adsorbed in the catalyst surface after reaction, especially the reaction with water.
表面活性剂催化化学反应过程的机理有胶束催化和相转移催化。
These catalytic mechanisms of interfacial agent in some chemical reactions are micelle catalysis and phase transfer catalysis.
因为纤维催化剂比粒状催化剂的外表面积大得多,而直径却小得多,因而予计对扩散控制的快速表面反应是有利的。
Because of its much larger external surface area and much smaller pore diameter than granular carriers, it is expected to benefit diffusion-controlled fast surface reactions.
第二步,在金属钾催化条件下,使第一步产物缩水甘油醚发生开环加成反应生成双子表面活性剂的中间体低聚二醇。
The second step, the digomeric glycol-intermediate product of Gemini. surfactant was prepared by opening ring reaction of glycide ether in the presence of potassium as catalyst.
在自制的脉冲色谱吸附反应装置上建立了一种新的测定固体催化剂表面酸量的方法。
A new method for quantitatively measuring the surface acid amount of solid catalyst was set up on a self-made pulse chromatographic adsorbent reactor.
丙烷氨氧化制丙烯腈过程的控制步骤是丙烷在催化剂上的表面反应。
The result showed that the procedure of acrylonitrile Synthesize via propane ammoxidation was the surface reaction of propane on the catalyst.
在真空表面科学研究与实际催化反应体系之间存在着显著的差异,具体表现在所谓的“物质鸿沟”和“压力鸿沟”上面。
There are prominent differences between traditional surface science underUHV conditions and catalysis in the real world, focusing on the so-called"materials gap"and "pressure gap".
计算中只考虑了甲烷在催化表面上的反应。
During the calculations only the reaction of CH_4 on a catalytic surface has been taken into account.
XPS结果表明,催化剂表面不同的硫物种对反应有不同的影响。
XPS results also indicated that different kind of metal sulfide species shows different effect on the reaction.
而且燃料混合物的入口流速对表面催化反应有很重要的影响。
And inlet velocity of mixture plays a significant role in catalytic reaction.
表面活性剂铜配合物具有较好的水溶性和表面活性,不但在DM F溶剂中有效催化苯甲醇、安息香的空气氧化反应,而且在稀碱溶液中形成的金属胶束也可催化氧化苯甲醇。
Cu complex of the surfactant have water soluble ability and surface activity, can catalyze the air oxidation of benzyl alcohol or Benzoin not only in DMF solution but also in alkali water solution.
当紫外—可见光谱证明表面活性剂与金属催化剂有明显络合作用时,表面活性剂的加入便会显著改变振荡反应的t。
The addition of the surfactant can change considerably the oscillating lasting time when there is an obvious coordination between the surfactant and the metal catalyst.
考察了反应条件对酯化反应的影响,催化剂的表面总酸度与酯化活性的关系。
The effects of reaction conditions and catalysts surface acidity on esterification reaction were investigated.
本文介绍了催化分解臭氧过程中,臭氧在催化剂表面的吸附形态,及各种条件下的反应下臭氧催化分解的动力学和机理。
This review provides many kinds of adsorbed ozone forms on the catalyst surface and the kinetics and mechanism of ozone decomposition reaction.
由于树状大分子的内部及表面存在大量活性点,使得其在药物输送、催化反应、基因治疗、金属纳米复合材料及膜材料等方面都显示了良好的应用前景。
Those make this kind of macromolecule have well enough application prospects in drug deliver, catalyst carrier, gene therapy, metal millimicron composite and membrane material etc.
利用XRD、OM、SEM、EDS和XPS分析了该复合薄膜的结构、表面形貌及表面元素的组成和分布,并通过紫外光照下甲基橙溶液的光催化降解反应分析了薄膜的光催化活性。
The structure, morphology, the element composition and its distribution on the surface of the composite film were then analyzed by means of XRD, om, SEM EDS and XPS.
对于O_2和CO的表面催化反应,我们引入了一个包括O和CO的扩散的不可逆zgb扩散模型,非常自然地消除了二级相变点。
We introduce a diffusion-ZGB model including the diffusion of o and co for the surface catalytic reaction of O2 and co, and eliminate the second-order phase transition naturally.
TPD实验表明等离子体不仅可以脱附吸附在催化剂上的反应物而且能引发吸附物发生表面化学反应。
TPD of NO and O2 indicate that it is certain the discharge plasma alters some properties of a catalyst such as adsorption, desorption, and induces surface reaction on catalyst.
催化转化器中CO化学反应属于气固非均相催化反应,在载体蜂窝孔内CO向催化剂固体表面的质量传输过程对CO的转化率有着重要影响。
Chemical reaction of co is a gas-solid catalytic reaction in catalytic converter. The mass transfer course of co in honeycomb holes has very important effects on co conversion ratio.
尽可能提高催化剂表面强酸的 酸量是C4烯烃催化裂解制丙烯反应催化剂的研制方向。
Enhancement of the quantity of strong acid sites is the trend in development of C4-olefins cracking catalysts.
催化臭氧化反应前后活性炭的红外谱图表明其表面吸附有大量有机降解物。
The infrared spectra of the activated carbon indicated that, during the process of ozonation, there were a large number of organic degradation products adsorbed on the activated carbon surface.
煤焦表面的活性点、煤焦内在的催化剂以及反应气在煤焦孔隙之间的扩散能力是影响煤焦气化反应活性的重要因素。
Carbon activity sites, inherent catalysts and diffusivity of the reactant gases within the pores of the chars played key role in the gasification process.
乙醛和丙二醇的缩醛化反应表明丙二醇的转化率主要受催化剂表面弱酸度的影响。
The conversion of propylene glycol was mainly affected by the surface acidity of the catalyst.
乙醛和丙二醇的缩醛化反应表明丙二醇的转化率主要受催化剂表面弱酸度的影响。
The conversion of propylene glycol was mainly affected by the surface acidity of the catalyst.
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