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出典:Wiktionary
uranium glass (uncountable)
出典:Wikipedia
出典:『Wikipedia』 (2011/07/05 08:21 UTC 版)
Uranium glass is glass which has had uranium, usually in oxide diuranate form, added to a glass mix prior to melting. The proportion usually varies from trace levels to about 2% by weight uranium, although some 19th-century pieces were made with up to 25% uranium.
uranium glass