- single longwall
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единичная лава
English-Russian dictionary of geology. 2011.
single longwall
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Longwall mining — is a form of underground coal mining where a long wall (typically about 250 400 m long) of coal is mined in a single slice (typically 1 2 m thick). The longwall panel (the block of coal that is being mined) is typically 3 4 km long and 250 400 m… … Wikipedia
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
mining — /muy ning/, n. 1. the act, process, or industry of extracting ores, coal, etc., from mines. 2. the laying of explosive mines. [1250 1300; ME: undermining (walls in an attack); see MINE2, ING1] * * * I Excavation of materials from the Earth s… … Universalium
Coal companies of Australia — Contents 1 Anglo Coal Australia Ltd 1.1 Anglo Coal Callide Mine 1.2 Anglo Coal Capcoal Mine … Wikipedia
Sociotechnical systems theory — is theory about the social aspects of people and society and technical aspects of machines and technology. Sociotechnical refers to the interrelatedness of social and technical aspects of an organisation. Sociotechnical theory therefore is about… … Wikipedia
Underground mining (hard rock) — A three dimensional model of an underground mine with shaft access Underground hard rock mining refers to various underground mining techniques used to excavate hard minerals, mainly those containing metals[1] such as ore containing gold … Wikipedia
Deep Navigation Colliery — The entrance to the former Deep Navigation Colliery, Treharris, in July 1984 Deep Navigation Colliery was a coal mine in South Wales, that operated from 1872 until 1991. Located next to the co developed village of Treharris in the borough of … Wikipedia
Magnetometer — A magnetometer is a measuring instrument used to measure the strength or direction of a magnetic field either produced in the laboratory or existing in nature. Some countries such as the USA, Canada and Australia classify the more sensitive… … Wikipedia
Eric Trist — (Sept, 1909 – June 4, 1993) was an British scientist and leading figure in the field of Organizational development (OD). He was one of the founders of the Tavistock Institute for Social Research in London. BiographyTrist was born in September… … Wikipedia
Mountaintop removal mining — Mountaintop removal site Mountaintop removal in Martin County, Kentucky M … Wikipedia
