1) Wuchuan mercury mining areas
务川汞矿区
1.
By determining mercury concentrations in mercury ore and smelting slag samples,we used a mass balance method to calculate mercury emission factors and annual mercury emission from the indigenous method of mercury smelting in Wuchuan mercury mining areas,Guizhou Province.
通过对贵州省务川汞矿区土法炼汞的矿石、冶炼矿渣中汞含量的测定,运用质量平衡原理,计算土法炼汞过程中汞释放因子,估算土法炼汞过程中汞的年释放通量。
5) Sichuan Mining Area
四川矿区
1.
High efficient coal mining methods for deep inclined thin seam and medium thick seam in Sichuan Mining Area;
四川矿区大倾角薄及中厚煤层高效采煤方法
6) Longchuan mining area
龙川矿区
补充资料：承务
1.隋唐官名。《隋书．百官志下》:"废诸司员外郎﹐而每增置一曹郎﹐各为二员……寻又每减一郎﹐置承务郎一人﹐同员外之职。"后以"承务"为地主富豪的通称。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条