电价：在原子间形成离子键的过程中，由电子从一种元素的原子转移到另一种元素的原子所表示的价。
Electrovalence: valence characterized by the transfer of electrons from atoms of one element to atoms of another during the formation of an ionic bond between the atoms.
每一元素倾向于既满足它的主价又要满足它的副价。
Every element tends to satisfy both its primary and secondary valence.
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。
An element bonding parameter topological index HLA is proposed based on topological principle and valence shell electron structural character.
该研究为进一步分离提取富钴结壳中有价元素奠定了良好的基础。
This research has laid foundation for further extraction and separation of valuable metals in ocean Cobalt-rich crust.
本文提出了一个将直接电位法与化学法相结合应用于元素价态分析的方法。
In this paper, a new method has been reported which combines direct potentiometry with chemical method to analyse valence states of elements.
从元素的价态分析讨论同一种元素在不同价态之间的氧化还原反应情况 ，从而得出“中间价态规则”。
The rules for intermediate valence conditions are obtained from the analysis and discussion of the oxidation reduction reactions of the same element in different valence conditions.
本文研究了一价碱金属钠、钾及钠与稀土元素钕二元复合掺杂的锰酸镧陶瓷材料。
In this paper, the main research object is the alkali metal sodium, potassium, sodium and rare earth elements neodymium doped binary compound doped lanthanum manganese ceramic.
它是含有0.01 ~6摩尔%范围的金属元素化合价为3价、4价或5价的任意一种的金属氧化物的氧化镁蒸镀材料。
The magnesium oxide vapor-deposition material comprises metal oxide in which the valence of the metallic element (s) is any of 3, 4 and 5 in the range of 0.01 to 6 mol %.
元素的特征价数是以该元素一个原子可结合的氢原子数或可从一化合物中置换出的氢原子数来表示。
Hydrogen (h) always has valence 1, so other elements' valences equal the number of hydrogen atoms they combine with.
元素的特征价数是以该元素一个原子可结合的氢原子数或可从一化合物中置换出的氢原子数来表示。
Hydrogen (h) always has valence 1, so other elements' valences equal the number of hydrogen atoms they combine with.
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