Sentence examples for are bitumen from inspiring English sources
noun
Mineral pitch; a black, tarry substance, burning with a bright flame; Jew's pitch. It occurs as an abundant natural product in many places, as on the shores of the Dead and Caspian Seas. It is used in cements, in the construction of pavements, etc.
The primary steps towards an optimized and successful solvent-aided bitumen recovery method are bitumen characterization and phase behaviour study of solvent/bitumen system.
Hydrocracking and hydrotreating are bitumen upgrading technologies designed to enhance fuel quality by decreasing its density, viscosity, boiling point and heteroatom content via hydrogen addition.
Another by-product was bitumen.
In any given load of sands, only about ten per cent is bitumen; to produce synthetic crude, the other ninety per cent has to be separated out.
An increasing amount of the oil supplied is bitumen from the oil sands, which continues to bear an expensive environmental and economic cost per barrel under current technology.
This condition simulates late petroleum generation in which the dominant overall reaction is bitumen decomposition to oil.
Coal tar coatings were associated with higher mean PAH levels than were bitumen coatings (0.63 µg/L; 95% CI: 0.11, 1.16 and 0.13 µg/L; 95% CI: 0.05, 0.21, respectively).
"There are four bitumen-to-surface releases," confirmed Alberta Energy Regulator (AER) spokesperson Bob Curran in an email.
The Americans were building bitumen roads in the south, the Russians concrete roads in the north.
One of the common types of CMA is cold bitumen emulsion mixture (CBEM).
Around the same time, Mesopotamians were using bitumen to caulk their reed boats and, a little later, masted sails.
