Reasonable choice of mining method means that it can strengthen the safety management of mining work and reduce personal injury and death for geological conditions. Depending on the stope ore mining process management method, a metal, non-metallic undergroun.......

Source and properties of wastewater from tailings reservoir of sulfide mine

A part of the beneficiation process wastewater in the sulfide ore dressing production is clarified and used for beneficiation production. A part of the remaining ore slurry i.......

Grouting pump is a key equipment in grouting construction. The performance and quality of the grouting pump play a decisive role in the safety, quality and efficiency of the grouting project. If the choice of grouting pump has blindness and randomness, it may cost a large amount of money an.......

According to the statistical data of China's leading car quality information platform for defective automobile product collection, there were 170 compact cars that had at least one vehicle owner complaint in 2017, and the total number of complaints was 21,045, an increase of 12 mod.......