Sentences with phrase «water at high pressure»

To extract it, the shale is blasted with huge volumes of fresh water at high pressure, a practice known as hydraulic fracturing, or «fracking».
Since this was first predicted in 1988, many research groups in the field have confirmed and refined numerical simulations, while others used static compression techniques to explore the phase diagram of water at high pressure.
The Tassimo builds up pressure, fills the cartridge then forces the water at high pressure through the coffee pouring exactly the correct amount for the drink.

Not exact matches

The process of fracking involves vertical and horizontal drilling, often for more than 10,000 feet below the surface, followed by the injection of millions of gallons of water, chemicals and sand at high pressures.
Higher demand for food is also putting pressure on water resources, says Angelo Katsoras, a geopolitical analyst at National Bank and co-author of the report.
Hydraulic fracturing, or fracking, deploys a mix of water, sand and chemicals at high pressure to release gas or oil trapped in rocks.
At a kilometer high, the water level would rise at 17.5 mm per second, and the pressure on the Earth's crust would be 100 barsAt a kilometer high, the water level would rise at 17.5 mm per second, and the pressure on the Earth's crust would be 100 barsat 17.5 mm per second, and the pressure on the Earth's crust would be 100 bars.)
Espresso is when hot water is forced through tightly packed, finely ground coffee at high pressure.
Sensors located at the top and bottom of the tank read water pressure, temperature, and level, and safety switches shut the system down if the water level gets too high or too low, respectively.
You might be induced for a variety of reasons, including: you've gone a week or 2 past your due date; it's been 12 to 24 hours since your water broke; you've been diagnosed with preeclampsia, a pregnancy condition involving high blood pressure; your placenta doesn't seem to be working properly; you have low amniotic fluid; or your baby's health or yours is at risk.
Instead, due to high blood pressure, I was sent to triage on a Wednesday afternoon at 37 weeks, spent a night being monitored, then had a balloon put inside my cervix for 12 hours to «ripen» it, then received pitocin (and an epidural, because by that point I was too frightened of what getting my water broken would feel like), threw up numerous times, developed a fever, was informed that I might or might not be getting a C - section, eventually pushed for 45 minutes and then had my son, on a Friday night.
Now, we do have very high water pressure in our house being at the beginning of our street main line, and even with the valves turned down and the toilet flushesd to decrease the flow some, the sprayer turbo deflects off the Dawg.
~ Blasting earth's radioactive bedrock at high pressure with immense amounts of chemically laced water & sand causes multiple problems far too serious to ignore.
A 24 - inch, high - pressure water main in Syracuse broke Monday night and shut off the water to almost two dozen buildings at Syracuse University, including the carrier dome.
The state had a de facto ban in place as it studied the process, which involves extracting oil and gas from deep underground by pumping water, sand and chemicals at high pressures deep underground.
Hydrofracking is the process of extracting natural gas from shale rock by blasting a mix of water and chemicals at high pressure into underground wells.
TRAPPIST - 1's planets are so wet that most of the water probably isn't even liquid, but ice formed under high pressure, says Cayman Unterborn, an exogeologist at Arizona State University in Tempe.
In «Darwin drift», a high - pressure zone forms at the front of each swimming animal, leaving an area of lower pressure behind, which draws in adjacent water.
Instead of weightlessness, the aquanaut would have to endure, among other things, artificial atmospheres with gaseous mixtures different from what we breathe on land, maintained at significantly higher pressures than those at sea level to match the water pressure at depth.
Gas hydrates naturally form along the coasts of continents and in Arctic permafrost, places where water and gas mix at relatively high pressure and low temperature.
Capillary action and root pressure can support a column of water some two to three meters high, but taller trees — all trees, in fact, at maturity — obviously require more force.
At high velocities deep in the ocean, that dual pressure heaves water with forces powerful enough to generate a tsunami, as a similarly massive chunk of seafloor did in the 2011 event in Japan.
Fracturing deep shale deposits by injecting them with water, sand and chemicals at high pressure — with the aim of releasing the gas they hold — is causing concern worldwide.
Then, that water broke through the crater rim (artist's concept, lower right), possibly through a weak spot previously eroded by ground water seeping through the rocks at high pressure.
Hydraulic fracturing, known as fracking, which involves pumping water and chemicals at high pressure thousands of meters below the ground to release gas from shale, has created an energy boom in the United States.
A team of University of Texas at Arlington chemists and engineers have proven that concentrated light, heat and high pressures can drive the one - step conversion of carbon dioxide and water directly into useable liquid hydrocarbon fuels.
If the water pressure at the plate interface zone becomes as high as the pressure of the overlying rock column, the strength of the rocks at the plate interface becomes practically zero - an effect akin to aquaplaning will initiate eventually triggering an earthquake.
Permafrost was known to contain gas hydrates — icelike mixtures of water and organic gases first identified in deep - sea sediments which form only at very high pressures and low temperatures.
Dimers in the atmosphere absorb light like a color filter on a camera lens, creating anomalies detectable once the pressure of the planet is at least 0.25 bars — high enough to hold down liquid water.
Dr Joshi said: «The new treatment system is made by converting naturally occurring graphite into graphene oxide membranes that allow high water flow at atmospheric pressure, while removing virtually all of the organic matter.»
If the structure of Martian water is highly pressurised, perhaps we might expect to find organisms adapted to high pressure life similar to piezophiles on Earth, such as deep sea bacteria and other organisms that thrive at high pressure.
For example, when a normal tire travels over water at a high speed, pressure builds until a film forms to lubricate the interface; this is called hydroplaning, and results in a complete loss of frictional control.
During the completion phase of drilling, a mixture of water, sand and chemicals is forced down the well at high pressure, and is then brought back up.
Scientists also study water under more extreme conditions, including at high pressures, where it can exist in the solid state even at room temperature.
The treatments, administered at the Institute of Hyperbaric Medicine at Assaf Harofeh Medical Center, headed by Dr. Efrati, consisted of 40 one - hour sessions, administered five times a week over two months, in a high pressure chamber, breathing 100 % oxygen and experiencing a pressure of 1.5 atmospheres, the pressure experienced when diving under water to a depth of 5 meters.
Machinery has to pump the water at pressures high enough to send it anywhere from 3,000 feet to a mile down.
Fracking, which injects liquids underground at high pressure to extract oil and natural gas from hard to reach places, can contaminate water (SN Online: 10/12/15) and air, due to chemicals used in the process.
The hot little planet may have liquid water anyway, Charbonneau said: its density is consistent with a water - heavy makeup, plus a crushing atmosphere whose pressure would allow water to remain liquid at high temperatures.
InSAR uses a highly accurate radar to measure the change in distance between the satellite and ground surface, allowing the team to show that injecting water into the wells at high pressure caused ground uplift near the shallower wells, the release said.
This process involves injecting a slurry of water, chemicals and sand into wells at high pressure to fracture the rock and create veins that can carry trapped gas to the well.
«Because we pre-compressed the water, there is less shock - heating than if we shock - compressed ambient liquid water, allowing us to access much colder states at high pressure than in previous shock compression studies, so that we could reach the predicted stability domain of superionic ice,» Millot said.
Among the many discoveries on matter at high pressure that garnered him the Nobel Prize in 1946, scientist Percy Bridgman discovered five different crystalline forms of water ice, ushering in more than 100 years of research into how ice behaves under extreme conditions.
One of the most intriguing properties of water is that it may become superionic when heated to several thousand degrees at high pressure, similar to the conditions inside giant planets like Uranus and Neptune.
The pressure at a column of water is higher than at the bottom of a column of ice, and at the melting point the ice has essentially zero strength.
For years, Jacobsen has been synthesizing ringwoodite, colored sapphire - like blue, in his Northwestern lab by reacting the green mineral olivine with water at high - pressure conditions.
«This planet has the interior structure of a hybrid super - Earth / Neptune, with a rocky core surrounded by a significant amount of water compressed into solid form at high pressures and temperatures.»
Feb. 5, 2018 - Among the many discoveries on matter at high pressure that garnered him the Nobel Prize in 1946, scientist Percy Bridgman discovered five different crystalline forms of water ice, ushering in more than 100 years of research into how ice behaves under extreme conditions.
The team found that, at the high pressures expected in the moon's ocean, icy materials called clathrates could form that imprison methane molecules within a crystal structure of water ice.
Why it matters: At high pressures and low temperatures, like those found in permafrost or on the ocean's floor, water molecules organize into complex hydrate lattices that are held together by hydrogen bonds.
Hydrothermal vents are located several miles below the surface, on the ocean floor, where the surrounding water is at or near freezing, it is absolutely dark and the pressure is high.
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