outburst prevention

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• Outburst (mining) — An outburst is the sudden and violent ejection of coal, gas and rock from a coal face and surrounding strata in an underground coal mine. When outbursts occur, they can be very serious events, possibly even resulting in multiple fatalities.… …   Wikipedia

• Противовыбросовое оборудование —         (a. outburst prevention equipment; н. Eruptionsausrustung, Bohrlochsicherung, Preventerausrustung; ф. equipement d antieruption; и. equipos de proteccion contra desprendimientos instantaneos) блок устройств, предназначенных для… …   Геологическая энциклопедия

• United States — a republic in the N Western Hemisphere comprising 48 conterminous states, the District of Columbia, and Alaska in North America, and Hawaii in the N Pacific. 267,954,767; conterminous United States, 3,022,387 sq. mi. (7,827,982 sq. km); with… …   Universalium

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• Windblast — is a term commonly used in mining to describe a sudden rush of air or gas due to the collapse of a void.CausesWindblast is common in longwall coal mines, especially those whose roof strata are competent, and do not cave immediately behind the… …   Wikipedia

• education — /ej oo kay sheuhn/, n. 1. the act or process of imparting or acquiring general knowledge, developing the powers of reasoning and judgment, and generally of preparing oneself or others intellectually for mature life. 2. the act or process of… …   Universalium

• Lynching in the United States — is the practice in the 19th and 20th centuries of the humiliation and killing of people by mobs acting outside the law. These murders, most of them unpunished, often took the form of hanging and burning. Mobs sometimes tortured the… …   Wikipedia

• Earth Sciences — ▪ 2009 Introduction Geology and Geochemistry       The theme of the 33rd International Geological Congress, which was held in Norway in August 2008, was “Earth System Science: Foundation for Sustainable Development.” It was attended by nearly… …   Universalium

• MTV Video Music Awards 2009 — Logo de la cérémonie MTV Video Music Awards …   Wikipédia en Français

• John Mitchel — (Irish: Seán Mistéil; b.November 3, 1815 ndash; d. March 20, 1875) was an Irish nationalist activist, solicitor and political journalist. Born in Camnish, near Dungiven, County Londonderry, Ireland he became a leading Member of both Young Ireland …   Wikipedia

• Joe Volpe — Infobox CanadianMP honorific prefix = The Honourable name = Giuseppe Volpe honorific suffix = PC, MP riding = Eglinton Lawrence parliament = Canadian term start = 1988 election term end = predecessor = Roland de Corneille successor = birth date …   Wikipedia