Sentence examples for coal sampling from inspiring English sources

The coal sampling was done following the Pillar Sampling Method.

During the present study, coal samples were collected from Derra underground coal mines following the pillar coal sampling method.

The samples were obtained from the No. 6 coal seam at the Heidaigou surface mine according to GB/T 481-1993 (producoaln coal sampling method).

Flotation tests were conducted for prepared blended coal samples to assess floatability of various coal samples.

The recommended heating temperature is 800 °C for coal samples.

Three types of coal samples were used in this study.

Coal samples collected from various Indian power plants are evaluated.

Finally, the secondary carbonization experiment of coal sample preparation was conducted, and the coal sample was obtained successfully.

In normal coal samples, quartz and other minerals are found only in trace amounts.

Proximate and elemental analyses of coal samples were also performed to point out the physicochemical characteristics of the Thar coal samples.

Gas bugs: Methane-generating bacteria on a coal sample from Wyoming's Powder River Basin, viewed by scanning electron microscopy.