Sentence examples for coal concentration from inspiring English sources

The commercial synthetic resin showed the highest exchange capacity (concentration factor 98%%) followed by the xanthated coal (concentration factor 96%%).

For example, approximately 28% reduction in the surface area flux is observed when coal concentration is increased from 0to10%0%, by volume.

When coal particle diameter was the same, lean flammability limit was in inverse proportion to the maximum flame propagation velocity obtained by varying the coal concentration.

Results show that the optimum coal concentration corresponds to the highest furnace temperature for each group of tests both in the bench-scale and pilot-scale furnaces.

It is well known that the fluidity of a coal water slurry with a high coal concentration is largely affected by the nature of the dispersing agent.

The mass ratio of pulverized coal and air (coal concentration, kg/kg) in fuel-rich streams is important in the design and operation of rich-lean burners, in which the optimum coal concentration (Copt) that corresponds to the best combustion situation should be achieved.

In an astonishingly short eight years, as a result of tougher emission rules on power plants and a declining use of coal, concentrations of mercury in Atlantic Bluefin tuna, the sushi sort, dropped by 19percentt.

Taking the pulverized-coal concentration, the primary air velocity, and other factors into account, we found that the optimal ratio of primary air:vent air was 5 5.

Villagers mined local low-grade As-containing coal from abundant, small local coal pits, with As-coal concentrations mostly in the range of hundreds of milligrams per kilogram (Finkelman et al. 1999; Zheng et al. 1999).

Consequently, the pressure wave and flame velocities were both increased when a 10 g m−3 coal dust concentration coexisted with a 9.5% methane concentration in the deflagration.

No scientist doubts, either, that as man burns more fossil fuels, such as oil and coal, the concentration of these gases in the atmosphere increases.