- hydrogen content of coal
- 煤中氢
English-Chinese geology dictionary (英汉地质大词典). 2013.
English-Chinese geology dictionary (英汉地质大词典). 2013.
Coal — Sedimentary Rock Anthracite coal Composition Primary carbon Secondary hydrogen, sulfur … Wikipedia
Coal assay — Coal Analysis techniques are specific analytical methods designed to measure the particular physical and chemical properties of coals. These methods are used primarily to determine the suitability of coal for coking, power generation or for iron… … 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
hydrogen — /huy dreuh jeuhn/, n. a colorless, odorless, flammable gas that combines chemically with oxygen to form water: the lightest of the known elements. Symbol: H; at. wt.: 1.00797; at. no.: 1; density: 0.0899 g/l at 0°C and 760 mm pressure. [1785 95;… … Universalium
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
Hydrogen safety — covers the safe use and handling of hydrogen. Hydrogen poses unique challenges due to its ease of leaking, low energy ignition, wide range of combustible fuel air mixtures, buoyancy, and its ability to embrittle metals that must be accounted for… … Wikipedia
Hydrogen economy — The hydrogen economy is a proposed system of delivering energy using hydrogen. The term hydrogen economy was coined by John Bockris during a talk he gave in 1970 at General Motors (GM) Technical Center.[1] Hydrogen advocates promote hydrogen as… … Wikipedia
Hydrogen vehicle — A hydrogen vehicle is a vehicle that uses hydrogen as its on board fuel for motive power. The term may refer to a personal transportation vehicle, such as an automobile, or any other vehicle that uses hydrogen in a similar fashion, such as an… … Wikipedia
Coal mining — Men leaving a UK colliery at the close of a shift Surface coal mining in Wyo … Wikipedia
Hydrogen — This article is about the chemistry of hydrogen. For the physics of atomic hydrogen, see Hydrogen atom. For other meanings, see Hydrogen (disambiguation). ← hydrogen → helium … Wikipedia