Webacademic.ru RU. EN; DE; ES; FR; Запомнить сайт; Словарь на свой сайт Webboghead coal Sapropelic coal with a greasy, dull lustre and no lamination; in appearance and combustible properties it resembles cannel coal but with a brown or yellow streak. It has a high percentage of algal matter and volatiles, and when distilled gives a high yield of tar and oil. A Dictionary of Earth Sciences.
Origin of the boghead coals. [36 refs] (Technical Report)
WebMetallurgical coal or coking coal [1] is a grade of coal that can be used to produce good-quality coke. Coke is an essential fuel and reactant in the blast furnace process for primary steelmaking. [2] [3] [4] The demand for metallurgical coal is highly coupled to the demand for steel. Primary steelmaking companies often have a division that ... WebThiessen, R. Origin of the boghead coals. [36 refs]. United States: N. p., 1925. Web. Copy to clipboard. Thiessen, R. Origin of the boghead coals. [36 refs]. United States. Copy to … red maple tree symbolism
boghead coal Encyclopedia.com
WebA variety of coal, derived from colonial algae, that looks like carbonaceous shale WebThe pyrolysis of oil shale from the Green River Formation and from Australia has been studied in supercritical steam in an Autoclave reactor. In addition, three model compounds (polyethylene, polystyrene, cholesterol) have been similarly pyrolyzed in supercritical steam. The analytical method consisted of vaporizing the sample and passing it ... Webbog coal болотный уголь (землистая разновидность бурого угля) boghead coal богхед (сапропелевый уголь с преобладанием водорослей) bone [bony] coal 1. зольный уголь 2. глинистый уголь bottle coal газовый уголь red maple tree types