- rock underground pressure
- горное давление, давление пород
English-Russian mining dictionary. 2015.
rock underground pressure
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ROCK 101 — Saltar a navegación, búsqueda ROCK 101 Ciudad México, D.F. Área de radiodifusión Ciudad de México y estados alrededor Eslogan Idea Musical Primera emisión 1 de junio de 1984 Última emisión 16 de agosto de 1996 Frecuencia … Wikipedia Español
Underground coal gasification — (UCG) is an in situ gasification process carried out in non mined coal seams using injection and production wells drilled from the surface, which enables the coal to be converted into product gas. The process is flexible in operation and is… … Wikipedia
Rock Steady Crew — is a breakdancing crew and hip hop group that was established in the Bronx, New York City in 1977. The New York Times called the Rock Steady Crew the foremost breakdancing group in the world today. citequote History The original founders were… … Wikipedia
Rock ’n’ Roll Suicide — «Rock n Roll Suicide» Сингл Дэвида Боуи из альбома The Rise and Fall of Ziggy Stardust and the Spiders from Mars Сторона «Б» Quicksand … Википедия
Underground nuclear testing — Preparation for an underground nuclear test at the Nevada Test Site in the 1990s. Nuclear weapons … Wikipedia
rock — rock1 rockless, adj. rocklike, adj. /rok/, n. 1. a large mass of stone forming a hill, cliff, promontory, or the like. 2. Geol. a. mineral matter of variable composition, consolidated or unconsolidated, assembled in masses or considerable… … Universalium
Rock — /rok/, n. a male given name. * * * I In geology, a naturally occurring and coherent aggregate of minerals. The three major classes of rock igneous, sedimentary, and metamorphic are based on the processes that formed them. These three classes are… … Universalium
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
Underground mining methods — A drift mine is driven horizontally into coal that is exposed or accessible in a hillside. In a hydraulic mine, high pressure water jets break the coal from a steeply inclined, thick coalbed that would be difficult to mine with the usual… … Energy terms
rock — USGS PHOTO GLOSSARY OF VOLCANIC TERMS Rocks are naturally occurring mixtures of minerals, mineral matter, or organic materials. Three main types occur: sedimentary rocks, formed by weathering and mechanical sorting on the Earth s surface;… … Glossary of volcanic terms
tunnels and underground excavations — ▪ engineering Introduction Great tunnels of the world Great tunnels of the worldhorizontal underground passageway produced by excavation or occasionally by nature s action in dissolving a soluble rock, such as limestone. A vertical opening … Universalium
