Furthermore, the accuracy of wet assay of gold in experimental sample was studied by means of new reduction sampling formula.
用新的缩分取样公式研究了提金工艺实验样品湿法分析金的准确性。
Furthermore, the accuracy of wet assay of gold in experimental sample was studied by means of new reduction sampling formula.
用新的缩分取样公式研究了提金工艺实验样品湿法分析金的准确性。
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