【alkaline_earth_metal】什么意思_英语alkaline_earth_metal的翻译_音标_读音_用法_例句_在线翻译

abstract: The alkaline earth metals are a group of chemical elements in the periodic table with very similar properties. They are all shiny, silvery-white, somewhat reactive metals at standard temperature and pressure and readily lose their two outermost electrons to form cations with charge 2+ and an oxidation state, or oxidation number of +2.

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By two alkyl halide with alkali metal or alkaline earth metal polysulfides from condensation.

由二卤代烷与碱金属或碱土金属的多硫化物缩聚而成。

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Because of high alkaline earth metal content, the reduction swelling of Baotou pellet makes blast furnace operation very difficult.

包头白云鄂博矿碱金属含量高，球团还原膨胀率高，给高炉冶炼带来很大困难。

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The complexation properties of them with alkali and alkaline earth metal ions have been investigated by means of visible spectra in solutions.

借助于可见光谱的测定，考查了它们在溶液中与碱金属和碱土金属盐等的配位性能。

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alkaline earth metal