This artide describes the study and development of catalyst& pigment con taming rare metal elements.
对近年来含稀有金属元素的催化剂和颜料领域的研究与开发进展作了扼要介绍。
a ductile gray metallic element of the lanthanide series; used in lighter flints; the most abundant of the rare-earth group.
一种有延展性的灰色金属元素，用作打火石，稀土属元素中含量最丰富的一种。
a bivalent and trivalent metallic element of the rare earth group.
稀土属二价和三价金属元素。
a trivalent metallic element of the rare earth group; occurs with yttrium.
稀土属三价金属元素，与钇共生。
European Rare-Earth Actinide Society (ERES)
欧洲稀土金属和锕元素协会
any element of the lanthanide series (atomic numbers 57" through 71").
稀土属的任一种元素（原子序数至之间）。
a trivalent metallic element of the rare earth group; forms compounds that are highly magnetic.
稀土属三价金属元素，形成磁性特强的化合物。
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。
Distribution Characteristics of the Rare Earth Elements (REEs) in the Gejiu Tin-Copper Polymetallic Ore Concentrating Region of Yunnan Province
云南个旧锡铜多金属矿集区稀土元素分布特征
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。
a soft silvery metallic element; a rare earth of the lanthanide series; it occurs in gadolinite and monazite and xenotime.
一种软质的银色稀土属金属元素，见于硅铍钇矿、独居石和磷钇矿中。
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。
rare earth vapor laser
稀土元素蒸气激光器
lanthanid(e) series
【化】镧系(即稀土元素)
Studies on Bioremediation of Arbuscular Mycorrhizal Fungi in Heavy Metal and Rare Earth Element-Contaminated Soil;
丛枝菌根真菌对重金属、稀土元素污染土壤生物修复研究
a white soft metallic element that tarnishes readily; occurs in rare earth minerals and is usually classified as a rare earth.
一种白色的软质金属元素，易失去光泽，存在于稀土矿物中，通常被归为稀土类。
a yellow trivalent metallic element of the rare earth group; occurs in monazite and bastnasite in association with cerium and lanthanum and praseodymium.
一种稀土属黄色多价元素，与铈、镧、镨共生于独居石和氟碳锑矿中。
a silvery metallic element that is common in rare-earth minerals; used in magnesium and aluminum alloys.
稀土矿物中常见的一种银色金属元素，用于镁和铝的合金中。
Research on the Interaction Rule between the Rare Earth Cerium and the Low Melting Point Metallic Tin in the Steel;
钢中稀土铈与低熔点金属元素锡相互作用规律研究