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单词 alkaline earth
释义
alkaline earth
  • 简明释义
  • 碱土金属:周期表中第二组元素,包括铍、镁、钙、锶、钡和镭等具有二价强碱性的金属元素。
  • 网络释义
  • 1

    ?碱土金属

    ... Alkaline-earth elements 碱土元素 ; 碱土元素 alkaline-earth 碱土金属 alkaline-earth borophosphate 碱土硼磷酸盐 ...

短语
  • 双语例句
  • 1
    The article discusses the thickening mechanism of unsaturated polyesters with alkaline-earth metallic oxide.
    本文研究了碱土金属氧化物对不饱和聚酯的增稠机理。
  • 2
    The latter which appeared in the tang dynasty is to decoct the brine extracted from the ash or alkaline earth in flat plates.
    “煎盐”则指提取柴灰或碱土中的卤水,用浅而阔的盘熬干以制取盐,这一专称唐代始见。
  • 3
    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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更新时间:2025/4/29 7:40:53