Sentence examples for extract previously from inspiring English sources
For example, using fracking to extract previously untapped, hard-to-reach shale gas trapped in impermeable shale rock is highly contentious.
But here on the front lines of the battle over fracking, which has become an increasingly popular technique to extract previously unobtainable reserves of oil and gas, no conclusion is yet definitive.
The flurry of local rules comes as the federal government inches forward on a national study of hydraulic fracturing, also known as fracking, the process used to extract previously inaccessible natural gas from shale deep underground.
The draft report, after a three-year study by the Environmental Protection Agency, represents a new scientific and political skirmish line over whether fracking, as it is more commonly known, poses a threat in the dozens of places around the nation where it is now being used to extract previously unreachable energy resources locked within rock.
"In our industry", says Renault's Mr Schweitzer, "the number of jobs will continue to decrease, because productivity will increase faster than production; the 35-hour week will just slow that decrease".In fact, employers are using the prospect of a shorter week to extract previously unthinkable flexibility from the unions: things like wage moderation, weekend work, late-night shifts.
The invention allowed miners to extract previously inaccessible coal.
Although the area has been dredged before for Dover port and Ramsgate up the coast, the amount of sand and gravel would be more than a third of the total amount extracted previously, between 1976 and 1998.
However, the edges of object contours in an image should be extracted previously for EPIDE method.
When we deal with calculations for the C2 and C3 samples, a contribution of oxide peaks was extracted previously.
Sibutramine was extracted previously in our lab [ 21].
Enzyme activities of the extracts, previously obtained from a liquid culture medium, were characterized in terms of laccase and peroxidase for ligninolytic activity.
