trivalent element

网络  三价元素

医学



双语例句

  1. A trivalent metallic element of the rare earth group; occurs with yttrium. Beijing Non-ferrous Metals& Rare Earth Research Institute
    稀土属三价金属元素,与钇共生。北京有色金属与稀土应用研究所
  2. A trivalent metalloid element; occurs both in a hard black crystal and in the form of a yellow or brown powder.
    一种三价非金属元素,或呈坚硬的黑色晶体状,或呈黄色或棕色粉末状。
  3. A trivalent metallic element of the rare earth group; usually occurs in association with yttrium.
    一种稀土属的三价金属元素,通常与钇共生。
  4. A hard ferromagnetic silver-white bivalent or trivalent metallic element; a trace element in plant and animal nutrition.
    一种二价或三价金属元素,坚硬的银白色铁磁体,植物动物营养中的微量元素。
  5. A white trivalent metallic element; sometimes classified in the rare earth group; occurs in the Scandinavian mineral thortveitite.
    一种白色三价金属元素,有时归为稀土属,见于斯堪的纳维亚钪钇石中。
  6. A trivalent metallic element of the rare earth group; occurs together with yttrium; forms highly magnetic compounds.
    稀土属的一种三价金属元素,与钇共生,形成极具磁性的化合物。
  7. A ductile silvery-white ductile ferromagnetic trivalent metallic element of the rare earth group.
    稀土属的三价金属元素,一种可延展的银白色铁磁体。
  8. Trivalent chromium ( Cr3+) is an essential trace element for animals.
    三价铬(Cr+3)是动物机体所必需的一种微量元素。