Firstly, the effective charge of characteristic atom was evaluated through the approach on the base of density function theory ( DVM-X_ α) according to the central atom cluster model.

OK, then it says draw a single bond from each surrounding atom to the central atom, and subtract two valence electrons.

后将中心原子与其相邻原子之间，连上单键，然后减掉2个价电子。

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Syntheses and Studies of Open Chain Analogues of Cryptands with Nitrogen or Carbon as Central Atom

含氮或碳中心原子的窝穴体开链类似物的合成与研究

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A compound described in terms of the central atom to which other atoms are bound or coordinated.

按与其他原子结合或配合的中心原子描述的化合物。

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An atom or molecule or radical or ion that forms a complex around a central atom.

在中心原子周围形成一个联合体的原子、分子、原子团或离子。

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Zirconium Substituted Heteropoly Complexes with Transition Metal as Central Atom

过渡金属为中心原子的锆杂多化合物的合成和性质研究

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Hybrid orbitals and its wave function of central atom in ml_8 complex

ML8型配合物中央体的σ杂化轨道及其波函数

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In the complex these atoms are each bound to one central atom and not to each other.

在络合物中，这些原子都和中心原子成键，而彼此不成键。

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We were talking about methane, which has only one central atom.

我们讨论的甲烷，只有一个中心原子。

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In the development and utilization of nuclear energy, including atom bombs and nuclear power plants, its security problems is nuclear radiation in the process of the use of nuclear energy and the impact of nuclear waste on the environment.

核能的开发利用历程包括军用与民用，其安全问题的表现主要在于核能利用过程中的核辐射以及核废料对环境的影响。

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The definition of complex and the right expressions of some coordination chemistry terminologies were introduced according to the latest relevant national regulation.

根据最新的相关国家规定，介绍了配合物的定义及一些配位化学术语的正确表述。

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Thus, studies on the synthesis of novel Schiff base complexes and their properties and application are significant to the development of coordination chemistry.

合成新的席夫碱配体及配合物，研究其性质及应用，对配位化学的发展有重要意义。

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Synthesis and coordination chemistry of fulvene ligand.

富烯有机配体的合成及与Ag（I）的反应化学。

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With the development of supramolecular coordination chemistry and material science the design and research of molecular-based magnet become of wide interest.

随着超分子配位化学和材料科学的发展，分子基磁体的设计合成与研究成为近年来最引人注目的课题。

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ZnO nanoparticles was prepared successfully by solid phase coordination chemistry reaction and characterized by XRD and TEM techniques.

利用固相配位化学反应制备了纳米ZnO粉体，借助XRD、TEM进行了表征，并采用循环伏安法和循环充放电法对电化学性能进行了分析。

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In the field of coordination chemistry, polynuclear molecules and coordination polymers currently attract considerable interest.

桥联多核配合物及配位聚合物的晶体工程和性质、功能的研究是当前配位化学中最活跃的研究内容。

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Sidgwick's EAN Rule and His Contribution to the Theory of Coordination Chemistry

Sidgwick的EAN规则和他对配位化学理论的贡献

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Genesis and modernization of coordination chemistry

配位化学的创始与现代化

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The chemical behavior of trace elements in biotic process of human body on the basis of coordination chemistry theory was discussed.

从配位化学的角度，论述了微量元素在人体生命过程中的化学行为。

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The chemistry of organic-inorganic supramolecular coordination chemistry is one of the most dynamic area of research in chemical industry.

以自组装为基础的有机－无机超分子配位化学是目前化学界最具活力的研究领域之一。

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Coordination Chemistry Towards the 21~ { st} Century Is Located at the Central Part of Modern Chemistry

21世纪的配位化学是处于现代化学中心地位的二级学科

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