学科分类
/ 1
1 个结果
  • 简介:<正>O.IntroductionGoldiscommonlyconsideredaninertelement,butitsgeochemicalpropertiesarenotsoinert.Intheareaofgolddepositstheconecntra-tionsofgoldinwaterarehigh.Itcannotonlymigrateinwater,butalsoeasilyprecipitateifthechemicalconditionschange.Thisisimpor-tantbothinprospectingforgoldbyhydrogeochemicalmethods,andingoldformation.

  • 标签: 民气 回毛 刃口 上工