Sims says measurements of the grade, mineral matrix, and size of the ore deposit appear favorable to commercial extraction.
希姆斯说对矿品位、矿母及矿床大小的测量对商业提取显得十分有益。
2
It is recommended that minimum industrial grade and average grade of ore deposit in commercial factors can be canceled in order to suit for these two new standards.
附带建议在矿产工业指标中取消最低工业品位和矿床平均品位以与上述两个新标准接轨。
3
The conditions and result of a commercial scale trial of gold extraction from stripped barren ore by heap leaching process are reported.