2013年7月26日星期五

Physical method extraction technology

 Physical methods include a variety of methods extraction technology. Former Soviet Union first proposed artificial earthquakes, high energy gas fracturing and ultrasonic methods. oil expeller , Canada for some heavy heating method using electromagnetic waves. China since the 1980s, since the basis of experience from abroad, has launched a variety of Food dehydrator of oil recovery methods and field trials, and some development of technology has begun to take shape.

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