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美日欧三方联合解决稀土紧缺问题

2012年3月28日
https://p.dw.com/p/14TMz
Description Rareearthoxides.jpg English: These rare-earth oxides are used as tracers to determine which parts of a watershed are eroding. Clockwise from top center: praseodymium, cerium, lanthanum, neodymium, samarium, and gadolinium. Category:lanthanides Date By voluntarily completing the form below, you can greatly help us to justify the continued availability of this service and to improve our service to media and the public. In addition, we request that media sources and other publishers send a tear sheet or a copy of the publication in which the image is used. Thank you for your assistance. Please send tear sheets to: USDA, ARS, IS Photo Unit 5601 Sunnyside Ave. Rm. 1-2225 Beltsville, MD 20705-5129 27 June 2009(2009-06-27) (original upload date) Source Transferred from en.wikipedia (Original text : http://www.ars.usda.gov/is/graphics/photos/jun05/d115-1.htm) Author Peggy Greb, US department of agriculture. Original uploader was Materialscientist at en.wikipedia Permission (Reusing this file) PD-USGOV-USDA-ARS. [edit] Licensing Public domain This image is in the public domain because it contains materials that originally came from the Agricultural Research Service, the research agency of the United States Department of Agriculture.
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美国、欧盟和日本在对待稀土紧缺的问题上达成一致。美国能源部部长朱棣文周三在东京召开的相关会议上表示,从中期来看,通过更为有效的方式使用和再利用可以缓解稀土能源紧缺的问题。中国出口的稀土占世界稀土贸易总量的90%。过去几年北京方面减少了稀土出口量,美国、欧盟和日本为此向世贸组织提起诉讼,要求中国扩大稀土出口,满足市场需求。