Sentence examples for coals such as from inspiring English sources

Low-rank coals, such as lignites, have considerable natural permeability and can be exploited for UCG without the need for linking technologies.

Gasification is particularly suitable for the utilization of low-rank coals, such as Shengli brown coal, due to its high gasification reactivity.

However, high-rank coals, such as anthracites, are far less permeable, making the gas production rate more limited if UCG is employed [35].

Other properties of low-rank coals such as coal reactivity, alkalinity of the ash and the difficulty of handling raw coal also impact the design of the system components.

Low rank coals, such as lignite and subbituminous coals, have natural ion-exchange properties because of carboxylic and phenolic groups attached to a highly cross-linked aromatic structure (Hayashi and Li 2004) and continues attracting scientific interest.

Low-rank coals such as brown coal, which is difficult to prepare high concentration CWS, has been modified to optimize its character and enhance its value-added for applications (Christian 2003; Li et al. 2014; Yu et al. 2014).

The machines went to countries that had big walls of coal such as the one I'd drawn, coal easy to extract automatically.

Rapid growth in emissions in other emerging countries dependent on coal, such as India, means that emissions are likely to go upward again in a few years.

Countries that use a lot of coal, such as Poland, fear that the climate-change package will force them to abandon it.

Include other industries that use coal, such as steel, and some analysts calculate that India's total imports by 2017 could reach some 300m tonnes.

Low-rank coal, such as lignite, normally has low combustion heat and little commercial value.