A novel atomic point valence Hi is defined according to the quantum numbers (ni) and electronegativity of element (xpi), and a new connectivity index (mB) is constructed from Hi based on the adjacent matrix.
基于原子外层价电子数ni及鲍林电负性χpii定义新的原子点价(Hi),并在邻接矩阵基础上建构元素键参数连接性指数(mB)。
A novel atomic point valence namedδit was defined according to the Kiersδiv and quantum numbers (such as ni, etc.
基于Kier的点价(δiv)及量子数(如ni)定义新的原子点价(δit), 并在邻接矩阵基础上建构连接性指数(mF)。
The atomic point valence ( g i ) of freed and combined atoms is defined as g i=(1+m 2 i)·(χ p i n i) 0.
原子点价 (gi)定义为 :gi=(1+m2 i)· (χpin i) 0 。
A simple non -variational configuration-interaction theory is presented for the divalent atomic system with two electrons outside a closed shell core, such as an alkaline earth atom and its corresponding isoelectronic sequence.
详细分析一种简单的非变分式的组态相互作用理论，用于研究双价原子系统。
(chemistry) having a valence of three.
（化学）有三价原子的。
Containing three univalent basic atoms or radicals per molecule. Used of a base or salt.
三碱式的每个分子中含有三个一价碱性原子或原子团的。用于碱类或盐类
Containing three replaceable hydrogen atoms per molecule. Used of an acid.
三元的三代的，三碱（价）的每个分子中含有三个可取代的氢原子的。用于酸类
Containing three sodium atoms.
三钠含有三个钠原子的
The number of atoms in a molecule.
原子数，原子价，化合价单质分子中的原子数
Containing three atoms per molecule.
三原子的三代的每个分子中包含有三个原子的
Having a valence of5.
五价的有五个原子价的
A divalent atom or radical.
二价原子二价的原子或基
REDUCTION AND X-RAY IRRADIATION OF TRIVALENT SAMARIUM IONS DOPED IN BARIUM BOROPHOSPHATE
硼磷酸钡中三价钐离子的还原和X射线辐照效应
A molecule of ammonia is made up of one atom of nitrogen and three atoms of hydrogen.
氨分子包含一个氮原子和三个氢原子。
It is to reduce Eu3+ into Eu2+ with electrolyzation method.
采用电解的方法将三价铕还原成二价。
The valence atom of an alkali-metal atom has two states.
碱金属原子的价原子具有两种能态。
This ten-dollar hat is now on sale for five.
帽子大减价，原价10 美元，现价5 美元。
(chemistry) haveing a valence of four.
（化学）有四价原子的。
(chemistry) having a valence of five.
（化学）有五个原子价的。
Every carbon atom has four bonds.
每个碳原子的价键为四。
(chemistry) having a valence of two or having two valences.
（化学）有二个原子价之一的，或有两个原子价的。
A valence elect ron can move away f rom it satom, leaving it a hole.
价电子能够脱离其原子给原子留下一个空穴。