稀土和黃金比起來哪個較貴?! - 地球科學討論
By Hedda
at 2013-03-29T16:02
at 2013-03-29T16:02
Table of Contents
稀土的礦床很少,要提煉卻要用到毒性強,活性高的溶劑
而現在的電子業對稀土的需求量又很大
像鈾,佈這類的元素,到底黃金比較貴還是稀土?!
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地球科學
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By Isla
at 2013-03-31T02:39
at 2013-03-31T02:39
By Margaret
at 2013-04-01T13:16
at 2013-04-01T13:16
By Ivy
at 2013-04-02T23:53
at 2013-04-02T23:53
By Linda
at 2013-04-04T10:29
at 2013-04-04T10:29
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