solution mine

The techniques to pretreat ventilation networks for analyzing it and the software of mine ventilation networks solution are presented in this paper.

介绍了矿井通风网络分析前处理技巧以及解算软件。

The adsorptive rate of gold is high and that of silver and copper are 98.52% and 99.88% respectively when adopting anion resin to adsorb the complexes of gold, silver and copper from leaching solution in a mine in Yunnan Province.

采用强碱性阴离子树脂从云南某金矿氰化浸出液中吸附金、银和铜离子络合物，不仅金的吸附率高，而且银和铜离子的吸附率分别达到98.52%和99.88%。

Analysis, Prevention and Solution of Hidden Dangers in Safe Operation of Yangshan Iron Mine's Tailings Reservoir

阳山铁矿尾矿库安全运行隐患分析与防治

Technical Modification of Dissolving Area in Glauber Salt Mine with Solution Mining in Caverns

芒硝矿井硐室水溶法制硝水中溶区的技术改进

I try to make this easier by wearing mine on a string around my neck, although even this is not a complete solution as I sometimes take the card off the string, forget to put it back and then have to hunt around for it.

我设法让这事儿变得更容易——把它和其他东西串在一起挂在脖子上，不过，这也不是万全之策，因为我有时会把卡取下来，然后忘了拴回去，结果还是不得不到处找它。