| 1981 - 788 ページ
...fuel in the refinery process. This carbon or coke is not recoverable in a concentrated form. Рог statistical purposes, the amount of catalyst coke...may be estimated by using an average weight percent (1.5%-8.5%) of charging stock. "Petroleum wax" means petroleum wax as defined in ASTM standard D288.... | |
| 1975 - 404 ページ
...a fuel in the refinery process. This carbon or coke is not recoverable in a concentrated form. For statistical purposes, the amount of catalyst coke...may be estimated by using an average weight percent (1.5 percent — 8.5 percent) of charging stock. "Petroleum wax" means petroleum wax as defined in... | |
| 1988 - 156 ページ
...an airfoil to the total airfoil area, or the ratio of its span to its mean chord. SP-7 1968 asphalt A dark brown to black cementitious material, in which...in nature or are obtained in petroleum processing. ASTM (D 1079, D-8, D-4) 1968 asphaltenes Components of bitumens that are soluble in carbon disulphide... | |
| 1994 - 178 ページ
...an airfoil to the total airfoil area, or the ratio of its span to its mean chord. SP-7 1968 asphalt A dark brown to black cementitious material, in which...in nature or are obtained in petroleum processing. ASTM (D 1079, D-8, D-4) 1968 asphaltenes Components of bitumens that are soluble in carbon disulphide... | |
| United States. Congress. Senate. Committee on Interior and Insular Affairs - 1975 - 880 ページ
...a fuel in the refinery process. This carbon or coke Is not recoverably in a concentrated form. For statistical purposes, the amount of catalyst coke...may be estimated by using an average weight percent (1.5 percent - 8.5 percent) of charging stock. (n) Other Finished Products Includes all finished products... | |
| John J. McKetta Jr - 1977 - 514 ページ
...Introduction to Asphalt Definitions The American Society for Testing and Materials [1] describes asphalt as "a dark brown to black cementitious material in which...in nature or are obtained in petroleum processing." Bitumen is described as "a class of black or dark-colored (solid, semisolid, or viscous) cementitious... | |
| Terrel, Epps, and Associates - 1980 - 212 ページ
...molecular weight hydrocarbons, of which asphalts, tars, pitches, and asphaltites are typical. Asphalt - A dark brown to black cementitious material in which...in nature or are obtained in petroleum processing. Asphalt cement - A fluxed or unfluxed asphalt specially prepared as to quality and consistency for... | |
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