元素化合价

Valence of elements

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1
有元素化合价升降的反应是氧化还原反应。
The reaction in which the valence of elements raises or downs is REDOX reaction.
2
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 %.
3
在反应中还原剂中元素的化合价升高。
Reductant in the reaction of elements in valence increased.

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