Sentence examples for steps of coal from inspiring English sources

Among the two steps of coal gasification the rate of second step i.e., gasification of char is much slower than that of the first, so the construction and design of coal gasifier is dependent on the gasification of char.

The hazards of underground mining are critical factors, which should be considered in the design and planning step of coal mines.

b Stepping device of coal cutting shaft  .

In the fifth step, rating of Coal Spontaneous Combustion Potential index (CSCPI) for each coal seam can be calculated according to Eq. (9) (modified after Hudson 1992).

Mountaintop removal involves a simple, 5-step process of coal extraction.

This is the very first step of any coal mine applications.

Out-of-seam mining has a pervasive impact (Fig. 2) on each step of the coal production process (Chugh et al. 2013).

Each step of the coal lifecycle--mining, transportation, washing, combustion, and disposing of post-combustion wastes--impacts human health.

Last month, China took the significant step of banning coal imports from North Korea for the rest of the year as part of U.N. sanctions over its missile program, severing an important economic lifeline for Pyongyang.

To make up for the lost energy, Tokyo Electric has stepped up use of coal and oil.

Mr. Clapp also suggested that the report called into question Mr. Bush's proposed energy plan, which seeks to step up production of coal, oil and gas-fired power plants.