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97102313 Characterization and modeling hydrogeochemical processes controlling selenium transport in aquifers associated with reclaimed coal mines in the Powder River basin of Wyoming (mine reclamation). Fadlelmawla, A. A. 1996,142 pp. Avail. degree-granting institution. From 11i.y~. Ahstr. Inr.. B. 1996. S7, (5). 3322. 9710237 4 Characterlzatlon of hazardous trace elements in solid waste products from a coal-burning power plant in Kentucky
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The authors determined the avalanching behaviour of two coal types, one of good and the other of poor handleability characteristics. This revealed significant differences in the nature of flow of the coals. The criteria established will now enable a structured study of the variables that affect hand
Solid fuels (sources. winning, properties) both fundamrntal studies of particle hrcakage and mineral texture. as well a\ industrial work aimed at improving comminution tcchnol. The comminutlon re\carch program i\*, de\crihed. 97100016 Continuity of kinetics between sub-and supercritical regimes in t
## Bord and pillar Monte Carlo Roof fall Sensitivity analysis Support safety factor Roof falls accounted for 18.18% of all fatal accidents in Indian coal mines, contributing about 35.29% of all fatal accidents in below-ground operations in 2005. The support safety factor, always preferred in suppor