Sentence examples for coal is studied from inspiring English sources

The stress distribution and floor failure in the lower works after mining the upper coal is studied through numerical simulations.

The gas occurrence of the coal seam and the pressure-relief range of the surrounding rock (coal) were studied by experiments and numerical simulations.

Thermal and catalytic liquefactions of waste (recycled) tire and coal were studied both separately and using mixtures with different tire/coal ratios.

The fluidization characteristics of binary mixtures containing tobacco stem (TS) and cation exchange resin (a substitute for coal) were studied in a rectangular bed with the cross-section area of 0.3 × 0.025 m2.

In the scope of preliminary investigations, the influence of briquetting parameters on the gas tightness of a briquette plug and the optimum press channel geometry for different types of coal were studied.

The elemental compositions of the coal were studied through Ultimate analysis.

Mineralogy of coal was studied by X-ray diffraction (XRD) (Philips PW-1830) using whole coal at room temperature.

The contributive factors for retention effect of sulfur in coal were studied via three bituminous coals by Folgueras et al. (2004).

The vertical seam profile was reconstructed and megascopic variations in the coals were studied.

The concentration and distribution characteristics of mercury in Chinese coals were studied with 1018 coal samples systematic collected around the country.

In other study, the removal of Cr VI) from aqueous solutions using low-rank Turkish brown coals was studied as a function of contact time, solution pH, temperature, concentration of metal solutions and amount of adsorbent; adsorption capacities of 12.4 mM of Cr VI /g were observed (Arslan and Pehlivan 2007).