seam gas content
11Jharia — Infobox Indian Jurisdiction native name = Jharia | type = city | latd = 22.3 | longd = 86.7 locator position = right | state name = Jharkhand district = Dhanbad leader title = leader name = altitude = 77 population as of = 2001 population total …
12карта газоносності вугільних пластів — карта газоносности угольных пластов **gas content of coal seam map Gasinhaltskarte der Kohlenflöze геологічна карта, на якій у вигляді ізоліній глибин залягання граничних поверхонь газових зон показується зміна вмісту природних газів по мірі… …
13steel — steellike, adj. /steel/, n. 1. any of various modified forms of iron, artificially produced, having a carbon content less than that of pig iron and more than that of wrought iron, and having qualities of hardness, elasticity, and strength varying …
14Coal mining — Men leaving a UK colliery at the close of a shift Surface coal mining in Wyo …
15Coal Seams of the South Yorkshire Coalfield — The coal seams worked in the South Yorkshire coalfield lie mainly in the middle coal measures. These are a series of mudstones, shales, sandstones, and coal seams laid down during the Carboniferous period about 350 million years ago. The total… …
16coal 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… …
17Underground 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… …
18Coal — Sedimentary Rock Anthracite coal Composition Primary carbon Secondary hydrogen, sulfur …
19List of pipeline accidents — The following is a list of pipeline accidents: This is an incomplete list, which may never be able to satisfy particular standards for completeness. You can help by expanding it with reliably sourced entries. Contents 1 Bel …
20welding — Technique for joining metallic parts, usually through the application of heat. Discovered in the 1st millennium AD during attempts to manipulate iron into useful shapes, the technique produced a strong, tough blade. Welding traditionally involved …
