- large coal
- 大块级煤
English-Chinese dictionary of mining (英汉矿业大词典). 2013.
English-Chinese dictionary of mining (英汉矿业大词典). 2013.
coal mining — Coal was very important in the economic development of Britain. It was used as fuel in the factories built during the Industrial Revolution and continued to be important until the 1980s. The main coalfields are in north east England, the north… … Universalium
Coal Creek War — A drawing from Harper s Weekly showing Coal Creek miners firing on Fort Anderson in 1892 … Wikipedia
Coal pipeline — Coal pipelines are pipelines used to transport coal from where it is mined to where it is consumed. For very short distances, large trucks are used to transport coal, but trains and barges are preferred for long distances. In some cases it is… … Wikipedia
coal utilization — Introduction combustion of coal or its conversion into useful solid, gaseous, and liquid products. By far the most important use of coal is in combustion, mainly to provide heat to the boilers of electric power plants. Metallurgical coke… … Universalium
coal — coalless, adj. /kohl/, n. 1. a black or dark brown combustible mineral substance consisting of carbonized vegetable matter, used as a fuel. Cf. anthracite, bituminous coal, lignite. 2. a piece of glowing, charred, or burned wood or other… … Universalium
Coal-mining region — World coal producers and consumers. Coal reserves in BTUs as of 2009 … Wikipedia
Coal gasification — is the process of producing coal gas, a type of syngas–a mixture of carbon monoxide (CO), hydrogen (H2), carbon dioxide (CO2) and water vapour (H2O)–from coal. Coal gas, which is a combustible gas, was traditionally used as a source of energy for … Wikipedia
Coal — Sedimentary Rock Anthracite coal Composition Primary carbon Secondary hydrogen, sulfur … Wikipedia
Coal Black and de Sebben Dwarfs — Merrie Melodies series Coal Black title card. Directed by … Wikipedia
Coal Palace — Motto: Coal is light, heat, and power. General information Architectural style … Wikipedia
Coal bed methane extraction — (CBM extraction) is a method for extracting methane from a coal deposit. Contents 1 Basic principles 2 Areas with coal bed methane extraction 3 Measuring the gas content of coal … Wikipedia