- geothermal borehole
- 地热钻孔
English-Chinese geology dictionary (英汉地质大词典). 2013.
geothermal borehole
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Geothermal heating — has been used since the time of the Roman Empire as a way of heating buildings and spas by utilizing sources of hot water and steam that exist near the Earth s surface. [Climate.Org Renewable Energy: Geothermal,… … Wikipedia
Geothermal heat pump — A geothermal heat pump system is a heating and/or an air conditioning system that uses the Earth s ability to store heat in the ground and water thermal masses. These systems operate based on the stability of underground temperatures: the ground… … Wikipedia
Geothermal power in the United Kingdom — The potential for exploiting geothermal energy in the United Kingdom on a commercial basis was initially examined by the Department of Energy in the wake of the 1973 oil crisis. Several regions of the country were identified, but interest in… … Wikipedia
Geothermal gradient — The geothermal gradient is the rate of increase in temperature per unit depth in the Earth. It varies with location and is typically measured by determining the bottom open hole temperature after borehole drilling. To achieve accuracy the… … Wikipedia
Hot dry rock geothermal energy — (HDR) is a type of geothermal power production that uses the very high temperatures (approx 200 Celsius) that can be found in rocks a few kilometers below ground. Electricity is generated by pumping high pressure water down a borehole (injection… … Wikipedia
Enhanced geothermal systems — (EGS)Enhanced Geothermal Systems (EGS) enhance and/or create geothermal systems through hydraulic stimulation. When natural cracks and pores will not allow for economic flow rates, the permeability can be enhanced or stimulated by pumping cold… … Wikipedia
Eastgate, County Durham — Eastgate is a village in County Durham, in England. It is situated in Weardale, a few miles to the west of Stanhope.Eastgate originally marked the eastern border of the private hunting park used by the Prince Bishops of Durham. This was second in … Wikipedia
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global warming — an increase in the earth s average atmospheric temperature that causes corresponding changes in climate and that may result from the greenhouse effect. [1975 80] * * * Potential increase in global average surface temperatures resulting from… … Universalium
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