Sentence examples for coal surface and from inspiring English sources

These components form a film that covers the coal surface and slightly inhibits the self-heating of the coal.

The wetting property of AmPC dispersant on the coal surface and Zeta potential of the CWS with AmPC dispersant was measured.

While for a higher pyrite content, the excessive pyrite would produce too much H+ covering the coal surface and a lot of Fe(OH 3 penetrating into the coal pores so as to prohibit the oxidation process and therefore reduce the heat flux.

Testing included basic ranging to the coal surface, and also detailed analysis of the changes in the radar response based on the presence of various targets on the coal surface that would typically be encountered in the mine environment, e.g., the plate-washers (Hargrave et al. 2007).

In this paper we review and synthesize the current literature and associated interpretations surrounding TDS release from coal surface mines and we provide a summary of our related research findings and conclusions to date.

Because the change of pH value affects the ionization behavior of coal surface carboxyl and phenolic hydroxyl, thus affecting the coal surface potentially further, and affecting the coal's wettability ultimately (Yang 2012; Li et al. 2013).

A close relationship between the degree of coal surface oxidation and the proportion of X-100 in the composite collector used to achieve the optimal coal flotation was identified: the higher the degree of coal surface oxidation, the higher the proportion of X-100 required.

Adsorptivity was evaluated from three aspects, including specific surface area, adsorption capacity on per surface area, and interaction between CO molecule and coal surface.

The oxygen-containing functional groups on coal surface benefit the diffusion and adsorption of CO2.

Under geological pressure and temperature conditions (beyond the critical region of methane), supercritical adsorption occurs between methane (CH4) molecules and coal surface.

The Coal Operations segment engages in producing coal from surface and underground mines and sells coal to external customer and the power segment.