It thought that unconventional gas resources especially coal gas in China has a vast development prospects.

认为非常规天然气资源尤其是煤层气在中国有广阔的发展前景。

youdao

The adding in of coal, especially coal with a high sulfur content, can markedly reduce the generation of dioxin.

煤的加入(特别是高硫煤的加入)可以明显降低二恶英生成。

youdao

Coal prices also are low, owing to over-supply and the scaling-down of demand, especially from China, which burns half of the world's coal.

因为供应过剩和需求下降，煤炭价格也很低，尤其是消耗了全球一半煤炭的中国的需求下降。

youdao

These investors are beginning to rebalance their portfolios by tilting their strategies toward clean energy and away from the riskiest high-carbon companies, especially coal.

FORBES: Fossil Fuel Divestment Is A Timely Issue For Investors

Costs not captured include electrical grid upgrade, connectivity of renewables and buffering of their intermittency by rapid cycling of fossil fuel plants as presently practiced in this country, and non-carbon-tax externalities such as pollution and health care costs associated with energy sources, especially for coal.

FORBES: The Naked Cost of Energy -- Stripping Away Financing and Subsidies

There are many types of sulfide minerals, but pyrite and marcasite, the two structural forms of FeS2 that are especially common in coal regions, are the major acid-producers.

FORBES: Fracking With Bad Water