Sentences with phrase «human hydraulic fluid»

Not exact matches

Other human activites linked to seismic activity include hydraulic fracturing, in which a water mixture gets pumped underground to break up rocks and release gas, and fluid withdrawal, which can refer to the withdrawal of oil and gas, groundwater or hot water / steam for geothermal power, the USGS says.

Previous studies have shown that fracking fluids contain high levels of salts, barium and radioactive elements, in addition to human - made chemicals added in the process of hydraulic fracturing.

Even in a seemingly implausible accidental - release scenario in which all of a well's hydraulic fracturing fluid and untreated wastewater were discharged directly into surface waters for the lifetime of the well, shale - gas electricity had a lower lifetime human toxicity impact, or HTI, than coal electricity, according to the study.

As the child grows and the spine expands, doctors would send a wireless signal to adjust the implant — which has been tested in sheep but is at least three years away from human trials — opening a valve that moves fluid from the implant's reservoir into the piston to increase the implant's hydraulic pressure.