... earth wire || ①接地线，地线②架空地线 earth-alkali metal || 碱土金属 earth-current field || 大地电流场 ...
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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 ions 碱土金属离子
alkali earth metal ion 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。
Methods and recent development of isolation of structurally characterizable alkali, alkaline earth and lanthanide metal ketyl radical complexes were reviewed in the paper.
介绍了利用金属离子的配位作用捕获并分离重要有机反应中间体—— 自由基中间体的研究方法和最新进展。
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