查询词典 chemical adsorption

But in the chemical adsorption process, the movement and the distribution of the molecular electronic has been changed.

而在化学吸附过程中，分子的电子运动和分布发生了变化。

Using mordern physical chemistry techniques (such as XRD、 TG-DTA、 IR、 XPS and 〓Xe-NMR)、 chemical adsorption techniques (NH〓-TPD、 H〓-TPD、 TPO、 TPR etc.) and pulse flow microreaction of n-hexane、 methylcyclopentene and n-hexane containing 0.2ppm thiophene, we studied mainly the following three points:(1). the changes occured during the calcination pretreatment of Pt ammine complex supported on β and L zeolites;(2). the effect of structure and acidity-basicity of zeolite on the dispersion and electron state of Pt particles; and (3). the influence of second metal component on the reactivity of nhexane aromatization and sulphur-resistance of Pt/L zeolite catalyst. Several interesting and valuable results are obtained and summerized as follows

本论文运用各种近代物理表征方法(XRD、BET、TG-DTA、IR、XPS和〓Xe-NMR)、化学吸附技术(NH〓-TPD、H〓-TPD、TPO、TPR等)和正己烷、甲基环戊烷及含噻吩正己烷的脉冲微反等方法，着重研究了(1)载Pt的β和L沸石在分解预处理过程中发生的变化；(2)沸石载体结构及酸碱性对Pt粒子分散及电子状态的影响；(3)第二金属组份对载Pt沸石催化剂上正己烷芳构化及抗硫性能的影响等，得到了某些有意义的结果。

The calculated reaction energy barriers of ethene chemical adsorption and dimerization reaction are 108 and 149 kJmol^(-1), respectively.

计算得到的乙烯化学吸附和二聚反应的反应能垒分别为108和149kJmol^(-1)。

The electron withdrawing group being introduced into the alkyl groups of the n -hexyl ZDDP is able to strengthen chemical adsorption between ZDDP and Fe atoms.

在伯烷基上吸电子基团能增强硫原子与铁原子之间的化学吸附作用力。

The results showing that α-Ti, atomic crystal with face-center structure became TiH2, ionic crystal with cubic-center structure, and there were two parallel process after electrolysis: chemical adsorption occured on the surface of material mainly, but dominant physical adsorption enhanced dislocation of crystal.

结果表明，电解后面心立方结构的原子晶体α-Ti转变成了体心立方结构的离子晶体TiH2；存在着两个不平衡的并行进程：化学吸附主要发生在材料表面，占优势的物理吸附强化了材料内部的晶体位错。

The results showed that MgO has a certain strength of Lewis base, and the adsorption of BATE on MgO is monomolecular chemical adsorption.

结果表明MgO有一定的路易斯碱强度，与硼酸三甲酯之间的吸附是单分子层化学吸附。

Preeminently by the humic acid through the chemical adsorption, and the characteristics of the solids are decorated by covering the organic membrane.

初期的动力学过程主要表现为腐殖酸的竞争吸附，随后转变为吸附态腐殖酸对稀土元素的表面结合。

ABSTRACT Inhibition mechanism and the relations between inhibition efficiency and molecular structure of inhibition of carbon steel in chlorhydric acid by benzene nitriles whose inhibition is caused by chemical adsorption and quaternary ammonium salts whose inhibition is caused by physical adsorption are mainly studied from microscope through quantum chemistry calculation, and the relations between inhibition efficiency and molecular structure of inhibition of carbon steel in chlorhydric acid by benzene nitriles are studied by making use of model-constructing thought of grey theory in this paper.

本文主要通过量子化学计算，从微观角度研究了化学吸附型缓蚀剂苯腈类化合物和物理吸附型缓蚀剂季铵盐在盐酸溶液中对碳钢缓蚀的缓蚀机理和缓蚀性能与分子结构的关系；并运用灰色理论建模思想，研究了苯腈类化合物在盐酸溶液中对碳钢缓蚀的缓蚀性能与分子结构的关系。其中，通过量子化学计算，从微观角度研究物理吸附型缓蚀剂在盐酸溶液中对碳钢缓蚀的缓蚀机理和缓蚀性能与分子结构的关系，是在尝试着进行；而运用灰色理论建模思想，研究缓蚀剂缓蚀性能与分子结构的关系，是一项具有尝试性和开拓性的工作。

By analyzing the crystal structure of ilmenorutile and the infrared spectrums of ilmenorutile reacted before and after with alkylhydroxyoximate, the adsorption form between ilmenorutile and alkylhydroxyoximate can be proved to be chemical adsorption.

通过铌铁金红石晶体结构和铌铁金红石与烷基羟肟酸盐作用前后红外光谱的分析，论证了铌铁金红石与烷基羟肟酸盐的吸附形式为化学吸附，并确定了烷基羟肟酸盐在铌铁金红石表面的吸附模型。

The paper introduces one kind of new chemical removing phosphorus technology named fixed active lanthanum oxide chemical-adsorption phosphorus based on the above summary.

在此基础上，提出了一种新的化学除磷技术—固定化活性氧化镧的化学—吸附除磷技术。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。