классификация углей
(напр. по процентному содержанию общего углерода и др.)
[А.С.Гольдберг. Англо-русский энергетический словарь. 2006 г.]
Англо-русский словарь нормативно-технической терминологии. academic.ru. 2015.
Coal Classification — In the United States, coals are classified by rank progressively from lignite (least carbonaceous) to anthracite (most carbonaceous) based on the proximate analyses of various properties (fixed carbon, volatile matter, heating value, and… … Energy terms
coal classification — ▪ process any of various ways in which coal is grouped. Most classifications are based on the results of chemical analyses and physical tests, but some are more empirical in nature. Coal classifications are important because they provide… … 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 — Sedimentary Rock Anthracite coal Composition Primary carbon Secondary hydrogen, sulfur … Wikipedia
Coal Tit — Adult British Coal Tit, P. a. britannicus (note greenish grey back) Conservation status … Wikipedia
Coal Skink — Conservation status Least Concern (IUCN 3.1) … Wikipedia
Coal Run (novel) — Coal Run Author(s) Tawni O’Dell Countr … Wikipedia
Coal-crested Finch — Conservation status Near Threatened (IUCN 3.1) Scientific classification K … Wikipedia
coal — n a brown to black combustible sedimentary rock (in the geological sense) composed principally of consolidated and chemically altered plant remains. DISCUSSION Conditions required for formation of coal are believed to include accumulation of… … Coke&Coal Terminology
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 grade — This classification refers to coal quality and use. • Briquettes are made from compressed coal dust, with or without a binding agent such as asphalt. • Cleaned coal or prepared coal has been processed to reduce the amount of impurities… … Energy terms
