Fineness of The Gold Content 黄金制品成色
The gold content of the Archean Taihua Group greenstone belt is lower than Clarke value.
太古宙太华群绿岩带金的丰度低于克拉克值。
The gold content above 10-9 in lead metal and lead oxide can be accurately determined by this method.
测定方法可准确测定金属铅及氧化铅样品中10 ~(- 9)级的金。
The gold content decreases with increasing granitization and migmatization or amount of fe1sic minerals.
并且随着花岗岩化和混合岩化程度增加而降低。
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