In the forty years in China, a great advance of gold assay was made in four aspects, namely, fire assay, wet assay, phase analysis and sampling and preparation of sample.

本文阐述了四十年来我国黄金分析在火法试金、黄金湿法分析、金的物相分析及取样与制样四个方面的进展。

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The wet process consisted of roasting, sulfur acid pretreatment and chlorination leaching of gold is examined. The results show that gold leaching rate is 97.95% and silver leaching rate is 79.86%.

本研究采用焙烧-硫酸预处理-氯化湿法工艺从其中回收金，金浸出率为97.95%，银浸出率为79.86%，效果令人满意。

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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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While their female counterparts had to fight for their gold medal Thursday in wet sand and smog-stained rain, the U.S. men's beach volleyball team had sunny weather.

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"We note that there is likely to be illegal gold exports and imports from and to China, " Mr. de Wet said in a note to clients.

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