lignitic materials
1Ranks of Coal as Classified by the American Society for Testing and Materials, Table — ▪ Table caloric value (moist, mineral matter free basis)* fixed carbon percentage volatile matter percentage British thermal megajoules (dry, mineral matter free basis) (dry, mineral matter free basis) units per pound …
2гуматы (для обработки бурового раствора) — — [http://slovarionline.ru/anglo russkiy slovar neftegazovoy promyishlennosti/] Тематики нефтегазовая промышленность EN lignitic materials …
3coal 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… …
