rare earth element

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rare earth element

One of a series of metallic elements that follow lanthanum (at. no. 57) in the periodic table of elements and that have oxides with similar properties. The series comprises the 14-element lanthanide series (at. nos. 58-71 and includes praseodymium, promethium, and ytterbium.
See also: element
References in periodicals archive ?
Development and extraction of rare-earth metals is one of the most promising and profitable industries.
Heavy rare-earth metals are typically needed in such magnets to deliver heat resistance properties.
China, which accounts for over 80 percent of global production of rare-earth metals, is boosting domestic reserves.
This finding is based on imports in India of Inorganic Chemicals, Organic or Inorganic Compounds of Precious Metals of Rare-Earth Metals and Radioactive Elements of Isotopes of InfodriveIndia.
The technology for extraction of such rare-earth metals as cobalt and nickel was developed in conjunction with Japan Metals & Chemicals Co.
China is compiling strategic reserves in rare-earth metals in moves likely to affect the world market prices, the Wall Street Journal has reported.
Korea is expected to make a shipment of rare-earth metals to Japan in May 1991, marking its entry into foreign markets for those commodities, which are widely used in high-technology industries.
Difficult to synthesize, the new superconductors consist of copper and oxygen combined with lead, strontium and any one of a wide range of rare-earth metals.
com/research/6975b9/compounds_of_rare) has announced the addition of the "Compounds of Rare-earth Metals, of Yttrium or of Scandium: European Union Market Outlook 2011 and Forecast till 2015" report to their offering.
com, India's premier research company in export import data, announced today that India's Inorganic Chemicals, Organic or Inorganic Compounds of Precious Metals of Rare-Earth Metals and Radioactive Elements of Isotopes imports in December- 2013 has grew to US$ 421.
In connection with construction of the plant, South Korean representatives expressed interest in development of rare-earth metals, coal and subsoil water sources for industrial needs.
Formed from a mix of oxides and rare earths, these zeolites apparently impart to oil products a telltale sign of their encounter--unusual proportions of such rare-earth metals as lanthanum, neodymium, samarium ytterbium, lutetium and vanadium.