Sentence examples for solid mining from inspiring English sources

Another waste product is called coal sludge or slurry, a mixture of wastewater and solid mining refuse.

Both of these wastes are usually put into large impoundments or "ponds", typically located in valleys dammed with solid mining refuse.

Management has a solid track record operating mines, he said, and the company has substantial mining reserves.

Solid backfilling mining can reduce the buildings' damage caused by mining greatly.

New solid backfill mining technology provides unique technical advantages for "three-under" coal mining which refers to coal resources trapped under buildings, railways, and water bodies.

Based on the research of mechanism, some principles on subsidence control of solid backfilling mining under buildings were proposed.

In solid backfill mining without gangue removal, the gangue is separated directly underground and backfilled into goaf.

The effect of controlling strata movement in solid filling mining depends on the filling rate of the goaf.

Based upon characteristic movement features of the overlying strata in solid backfill mining and in-situ observations, an associated model representing a roadway support system has been developed.

The reduction of subsidence value, the slow advancing speed and the subsidence caused by backfilling body compaction are the main reasons that solid backfilling mining velocity decreases significantly.

Important sources of heavy metal contamination urban industrial aerosols, solid wastes, mining activities, industrial, and agricultural chemicals are responsible for lead entering into the water supply of industrial and consumer utilities.