earth-alkali metal 碱土金属
alkali earth metal 碱土金属
alkali i earth metal 碱土金属
alkali earth metal ion 碱土金属离子
alkali earth metal ions 碱土金属离子
alkali earth metal oxide 碱土金属氧化物
alkali earth metal salts 碱土金属盐
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。
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。
The wollastonite as the alkali earth metal silicate, helps the melt in the ordinary ceramic body the function, reduces the body the agglutination temperature.
硅灰石作为碱土金属硅酸盐，在普通陶瓷坯体中起助熔的作用，降低坯体的烧结温度。
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