Sentence examples for coal compounds from inspiring English sources

Tatu suggested that aristolochic acid and coal compounds might be working in combination.

These components may act as protective ash coal compounds, but inorganic elements such as calcium or potassium also appeared and their presence increased with the biomass share.

By trial and error, reactions of coal tar compounds were found to yield useful dyes.

During the incomplete burning or conversion of coal, many compounds are produced, some of which are carcinogenic.

It meant dumping Britain's world lead in the development of clean coal technology – compounded by the recent refusal of government backing for a clean coal power station to be built at Hatfield colliery.

In March 2001, during what union members describe as a labor dispute, two union leaders were pulled off a company bus after it left the coal mining compound here and were shot dead by paramilitary gunmen.

Whereas destructive distillation of coals produces compounds of carbon and hydrogen with carbon atoms linked in six-membered rings, torbanite produces paraffinic and olefinic hydrocarbons (compounds with carbon linked in chains).

Results from the use of the reactor system to probe the pyrolysis kinetics of an 11-component coal model compound mixture and the liquefaction of several coal samples in tetralin are reported.

With increasing mining depth, coal-gas compound dynamic disasters have become an important factor restricting mining safety.

This study provides some references for understanding the mechanisms of coal-gas compound dynamic disasters and the basis for an early warning system.

The expert, Dr. James E. Hansen, and his colleagues conclude in a new analysis that the warming seen in recent decades has been caused mainly by other heat-trapping emissions -- methane, chlorofluorocarbons, black particles of diesel and coal soot and compounds that create the ozone in smog -- which are easier to control than carbon dioxide, with many of them already on the decline.