主族元素

  • 网络main group;main group element
主族元素主族元素
  1. 气态主族元素标准熵与原子体积关系的研究

    Study of relationship between the standard entropy of gas main group element and the atomic volume

  2. 对最近几年镓与主族元素、过渡元素及其他一些典型配体形成的有机镓配合物的研究进展作一概述。

    This paper gives a review on the research work of organogallium complexes formed by gallium and main group element , transition element as well as typical ligands .

  3. 含第Ⅴ或Ⅵ主族元素芳香化合物的Pπ共轭

    Prt-Conjugation of the Aromatic Compounds with the Elements of Group ⅴ A or ⅵ A

  4. 主族元素的电负性一个计算基团Pauling电负性的方法

    Electronegativity values for main group elements Method of Calculating the Pauling Group Electronegativity

  5. 本文对含第Ⅴ或Ⅵ主族元素的芳香化合物的电子结构,Pπ共轭与分子几何结构的关系以及Pπ共轭能的计算作一综述。

    The electronic structures of the aromatic compounds with the elements of group ⅴ A or ⅵ A and the relation between P π - conjugation and their molecular geometries were described . The calculation of P π - conjugation energy was also represented in this paper .

  6. 报道了一类含吡啶环的新型大环席夫碱与第Ⅱ主族元素配合物的合成,它们的结构经元素分析、IR和′HNMR表征。

    The synthesis of new complexes of macrocyclic Schiff base containing pyridine ring with groupe IIA elements was reported . Their structure were characterized by the elemental analysis , IR and ′ HNMR .

  7. 基础无机化学:主族元素及其化合物。

    General Inorganic Chemistry : main group elements and their compounds .

  8. 主族元素无机盐水解性规律

    The hydrolysis regularity of major family element with inorganic salt

  9. 过渡金属和主族元素硼磷酸盐体系的研究

    Investigations on Transition-metal and Main-group-element Borophosphate Systems

  10. 主族元素中的d轨道

    D Orbit in Main Group Elements

  11. 主族元素的电负性

    Electronegativity values for main group elements

  12. 主族元素的桥联配合物

    Coordination-Bridged Compounds of Main-Group Elements

  13. 在原子激发态边界半径模型的基础上,对离子激发态的边界半径,也进行了详细的研究,给出了前五周期主族元素一价正离子、二价正离子第一激发态的边界半径。

    In this thesis , the boundary radii of the first excited univalent ions and divalent ions are also evaluated .

  14. 论述了d轨道在主族元素σ成键、π成键、过渡态成键中的作用。

    The effects of d orbit in main group elements in σ bonding , π bonding and exited states were discussed .

  15. 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。

    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 .

  16. 从这些具有不同骨架构型的簇合物可以看出,主族元素&主族元素之间的相互作用对这类原子簇化合物的骨架构型变化和稳定性有着重要作用。

    These compounds exhibit various cluster skeleton structures with different bridging ligands of group ⅵ A , which show the ligand-ligand element interactions are playing an important role in configuration and stability of the skeleton of the clusters .

  17. 稀土金属、锕系金属、一些早期过渡金属和主族元素与这些配体都能形成双层或三层的三明治型配合物,这些配合物显示将成为一类重要的功能材料。

    Rare earths , actinides , and some early transition metals and main group elements form sandwich-type complexes with these ligands in the forms of double - and triple-deckers , which emerge to be an important class of functional materials .

  18. 采用直接法制备了主族金属元素铅取代的以锰为中心原子的杂多配合物,经ICP,TG曲线确定其化学式为K14[Pb(MnW11O39)2]。

    Adopt direct method to produce the main group metal element-lead to take the place of heteropoly com-pounds with Mn as the central atom . By means of ICP and TG , the molecular formulas were confirmed as K14 [ Pb ( MnW11O39 ) 2 ] .

  19. 主族金属元素电子脱出功的计算

    The calculation of work function for the main group metal elements

  20. 现在请记住,离子键的形成,从第一族和第二族元素,与六七主族的元素相互构成的。

    Now , remember , the formation of the ionic bonds was from group one and group two , and over here with group six and seven .