2、

This paper analyzes shell electron pair repulsion theory, valence-bond theory and molecular orbital theory on molecular structure of noble gas compounds.

对稀有气体化合物的分子结构分别用价层电子对互斥理论、价键理论和分子轨道理论进行了分析处理。

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3、

An element bonding parameter topological index HLA is proposed based on topological principle and valence shell electron structural character.

基于元素键参数拓扑指数原理以及镧系元素价层电子结构特征构建了一种新的拓扑指数HLA。

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4、

Hypervalent molecules and ions are fascinating species, since they appear to violate the traditional Lewis Langmuir theory of bonding by expanding the valence shell of a main group element.

超价分子和离子是一类奇特而迷人的物种,它们的出现对经典的Lewis-Langmuir主族元素价层成键理论提出了挑战。

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5、

A New Formula for Calculating the Valence Shell Electron Pairs of Centre Atom in Molecular

一个计算分子中心原子价层电子对数的新公式

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6、

Heavy impurity doping makes the conduction and valence bands shift, and brings about the so-called Band Gap Narrowing ( BGN).

重掺杂使导带、价带带边同时发生了收缩,从而产生能带变窄效应(BGN)。

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7、

The valence states of cerium in ceric hydroxide was determined by titration method, the results are satisfactory.

对氢氧化铈样品中铈的价态进行了分析,结果令人满意。

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8、

This paper has investigated the analysis of different valence states of cerium in ceric hydroxide by titration. Adsorption Characteristics of Arsenite and Arsenate on Hydrous Ceric Oxide

研究了滴定法分析氢氧化铈中铈的价态。稀土材料氢氧化铈吸附水中亚砷酸与砷酸阴离子的特性效果

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9、
10、

We have calculated the bond distributions and atom positions of GaAs/ GaInNAsSb superlattices using Keating's semi-empirical valence force field ( VFF) model and Monte Carlo simulation.

用Keating的价力场(valenceforcefield)模型和蒙特卡罗方法计算了GaAs GaInNAsS b超晶格中键的分布、原子的精确位置以及应变。

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11、

LFT ( ligand field theory) and VBT ( valence bond theory) are applied to elucidate why Cr-Al complexes is not enough stable in solution.

并结合配位场理论和价键理论解释了Cr-Al异金属配合物不稳定的原因。

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12、
13、

Therefore, the back of "anti appreciation" and "fine-tune valence" may hide "leave offer" and "crazy super-item" rejector very much, the consumer must caution to guard against.

因此,“不涨价”与“微调价”的背后,很可能潜藏着“假报价”和“狂增项”陷阱,消费者一定要小心提防。

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14、

The relationship between bond valence and bond covalency has been investigated by a semiempirical method.

用一种半经验方法研究了固体材料中键电荷与键共价性的关系.

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15、

Ion selectivity is correlated to their type and valence as well as Shannon's radius.

研究了纳滤膜对无机盐的截留率与离子种类、电荷数以及有效离子半径等因素之间的关系.

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16、

The valence of chlorine is one, of oxygen two, of nitrogen three, and of carbon four.

氯的化合价是1, 氧是2, 氮是3, 碳是4.

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17、

This paper introduces the method of applying valence in balancing inorganic and organic oxidation-reduction reaction equation.

介绍用化合价升降法配平无机、有机氧化还原反应方程式.

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18、

Semi-empirical expressions for electrostatic repulsion parameters and valence orbital ionization potentials of lanthanoid atoms and ions

镧系元素的静电排斥参数和价轨道电离势的半经验公式

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19、

Through comparing the valence electron structure in austenitic crystal cell among all kinds of alloys, the strong covalent bond of austenitic crystal cell valence electron structure is thought as a main factor to influence the stability of austenite.

对各种合金奥氏体晶胞价电子结构进行比较后,认为影响合金奥氏体稳定性的主要因素是奥氏体晶胞价电子结构的强共价键。

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20、

Valence state analyses of Fe and Mn in oxides by EPMA have been reported in literature ~ ( 1.2 ) .

Fe和 Mn 氧化物价态的电子探针分析已见文献报导.

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