Also, a lot of the bitumen lies too far underground to be mined, and has therefore to be pushed to the surface by injecting steam into the ground through many costly wells.Engineers and miners have come up with two techniques that have greatly reduced costs here.
Such a trend suggests that corrosion reaction will be further pushed to surface sites which are characterized by progressively higher value of E a * as concentration of the inhibitor becomes higher [28].
This means that the corrosion reaction will be further pushed to surface sites that are characterized by progressively higher values of (E_{text{a}}^{ circ }) as the concentration of the P 2ABT) in the acid solution becomes larger.
The majority of species are surface feeders, obtaining food that has been pushed to the surface by other predators or currents, or have floated in death.
Helium is trapped only after the grain cools to near surface temperatures, so the amount present indicated that the grain was pushed to the surface between 250 million and 500 million years ago.
According to this theory, in stars with unusually calm atmospheres, some elements sink under the force of gravity, while others are pushed to the surface by radiation pressure., §4.
The pneumococcal T2S system pilus behaves similar to the pseudopilus and perhaps a DNA binding protein is pushed to the cell surface in this way.
And all this because the audacious politics that are central to this vigorously engaging film have been pushed to the side, below the surface, and away from consideration.
