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 ?
Inner Mongolia Baotou Steel Rare-earth (Group): As China's largest rare earth producer, the company has an annual capacity of approximately 350,000 tons/a.
At the time of the alleged 2010 embargo, Chinese firms accounted for 97 percent of rare-earth oxide production and a large fraction of the processing business that turns these into rare earth metals, alloys, and products like magnets.
14 report as saying that the consolidation program led by the central government will force Gansu Rare Earth New Materials to ultimately merge into Inner Mongolia Baotou Steel Rare-Earth, though there will be an integration period for the two companies.
China is now the world's main supplier of rare-earth elements, which are minerals that play a critical role in making products from basic communication devices to high-tech military weaponry.
Karl Gschneidner, the founding Director of the Rare-earth Information Center and an expert who has testified before Congress on the issue of rare earth supply, China may just be right.
said Tuesday it has developed what it describes as the world's first process to extract and recycle rare-earth metals from the nickel hydride batteries of its used hybrid cars on a mass-production basis.
Summary: WASHINGTON/BEIJING - The United States, Europe and Japan have joined forces to challenge China's restrictions on exports of rare-earth metals, escalating a trade row over access to some of the most important raw materials used in advanced technologies.
TSE:AVL) (NYSE:AVL) has released the following industry bulletin titled "Chinese Ministry of Commerce Announces Rare-Earth Export-Quota Allocations For 2012".
Concerned about the supply of rare-earth elements and minerals essential to producing a wide variety of high-technology goods, the House on September 29 passed a bill that would create the Rare Earth Materials Program within the Department of Energy to quantify U.
Not surprisingly, as China's rare-earth industry grows, "many of the processors and end users of these minerals are moving their advanced manufacturing and research and development facilities to China.
Rare-earth analysis is a "very useful tool to enable us to figure out the ecology of ancient animals and how they were living on the landscape," says ancient-soil specialist Gregory J.
Xu XK (1997) Application of the rare-earth fertilizers for agricultural sustainable development.