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
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。
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。
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。
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。
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。
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。
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。