Sentences with phrase «at extreme temperatures of»

Henry's research group has recently demonstrated pumps, storage containers and other components that can operate at extreme temperatures of 1,300 degrees Celsius and above.
It also demonstrates superior healability at the extreme temperatures of -20 degrees C to 40 degrees C.

Not exact matches

At extreme temperatures, atoms are stripped of their electrons and nuclei move so quickly that they overcome their «mutual repulsion», joining together to form a heavier nucleus.
At the one extreme lies the superconduction of the field at absolute zero temperature; at the other, the lack of radiation in a field of «black hole» entities with infinite density (so that they no longer exert even gravitational influence mutuallyAt the one extreme lies the superconduction of the field at absolute zero temperature; at the other, the lack of radiation in a field of «black hole» entities with infinite density (so that they no longer exert even gravitational influence mutuallyat absolute zero temperature; at the other, the lack of radiation in a field of «black hole» entities with infinite density (so that they no longer exert even gravitational influence mutuallyat the other, the lack of radiation in a field of «black hole» entities with infinite density (so that they no longer exert even gravitational influence mutually).
Formed at high temperatures and pressures, the gems trace extreme events from the dawn of our solar system
They weren't estimating or extrapolating from lab experiments — they were applying the laws of fundamental quantum mechanics to derive iron's properties at extreme pressures and temperatures.
In 1955, however, labs at General Electric built on earlier research to create diamonds from graphite, another carbon allotrope, that had been subjected to extremes of pressure (nearly 1 million pounds per square inch) and temperature (3,100 degrees Fahrenheit).
In a new study, Scripps Institution of Oceanography at the University of California San Diego Professor James Day and colleagues examined the chemical composition of zinc and other volatile elements contained in the green - colored glass, called trinitite, which were radioactive materials formed under the extreme temperatures that resulted from the 1945 plutonium bomb explosion.
Even if a sample reaches the extreme temperatures and pressures at the centre of the Earth, it will only do so for a matter of seconds.
«We're talking about temperatures of 500 degrees Fahrenheit and pressures of about 600 pounds for most organic material — not at all extreme or energy intensive.
The New Calculus Other physicists, meanwhile, are employing string theory methodologies in their study of extreme matter states — from the intensely hot plasmas produced in particle colliders to materials created in laboratories at temperatures close to absolute zero.
The strength and path of the North Atlantic jet stream and the Greenland blocking phenomena appear to be influenced by increasing temperatures in the Arctic which have averaged at least twice the global warming rate over the past two decades, suggesting that those marked changes may be a key factor affecting extreme weather conditions over the UK, although an Arctic connection may not occur each year.
The surface of Venus is more than 400 °C hotter than the surface of Earth — and at those extreme temperatures, the rock crystals can grow more quickly, healing themselves so that the boundaries never form.
The researchers also looked at other extreme events, like the southeast Australian drought of 2006 and the rain events that led to widespread flooding in Queensland in 2010, to see whether they would occur more often as global temperatures increased.
«All of my research is performed under extreme conditions at high pressure, low temperatures and high magnetic fields with the aim to study magnetic and electronic properties,» she explains.
Since climate change is already leading to higher average temperatures overall, the finding that extremes are also more likely was not surprising, said Sophie Lewis, a climate scientist at the University of Melbourne and the climate system science center and the lead author on the paper.
Certain varieties of Earthly «extremophiles» — microbes that live at extremes of temperature, pressure, salinity and so on — exhibit similar behavior.
Only under extreme conditions, such as collisions in which temperatures exceed by a million times those at the center of the sun, do quarks and gluons pull apart to become the ultra-hot, frictionless perfect fluid known as quark - gluon plasma.
Scientists at the Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab) and NASA are using X-rays to explore, via 3 - D visualizations, how the microscopic structures of spacecraft heat shield and parachute materials survive extreme temperatures and pressures, including simulated atmospheric entry conditions on Mars.
A Carnegie - led team was able to discover five new forms of silica under extreme pressures at room temperature.
Climate scientist Christopher Field, director of the Department of Global Ecology of the Carnegie Institution for Science at Stanford University in Palo Alto, California, emphasized the scientific consensus that global temperatures are rising and that climate change is likely to contribute to extreme weather events.
In the extreme temperatures of outer space, for example, artificial muscles might best be made of silicone plastics, which have been demonstrated in a vacuum at — 100 degrees Celsius.
The SDO can see extreme ultraviolet wavelengths that are blocked by Earth's atmosphere, allowing it to look at the part of the corona where the temperature suddenly rises.
These tiny droplets «flow» in a manner similar to the behavior of the quark - gluon plasma, a state of matter that is a mixture of the sub-atomic particles that makes up protons and neutrons and only exists at extreme temperatures and densities.
It would place billions of people at risk from extreme temperatures, flooding, regional drought, and food shortages.
Drawing on the extreme thermal conductivity of diamond, the new technology can operate at room temperature without the need for any cooling.
The paper's lead author, anthropologist Eva Fernández of Liverpool John Moores University in the United Kingdom, attributes the team's success to two main factors: First, the bodies at the Syrian farming villages were buried in pits under the floors of the houses and then sealed with thick mud, which probably protected the skeletons from the temperature extremes of Syrian summers; and second, the skeletons were put in cold storage immediately after being removed from the pits, which also preserved DNA from further degradation.
Threats — ranging from the destruction of coral reefs to more extreme weather events like hurricanes, droughts and floods — are becoming more likely at the temperature change already underway: as little as 1.8 degree Fahrenheit (1 degree Celsius) of warming in global average temperatures.
After the researchers analyzed the inclusions — each just 15 to 40 microns wide, or one - sixth to two - fifths of the diameter of a human hair — they found the inclusions contained the entire range of minerals one would expect of a volcanic rock called basalt that originally formed at the planet's surface and then crystallized under extreme high pressures and temperatures.
Lars Stixrude, a geologist at University College London, calls the idea «fascinating» — although he warns that science's understanding of the behavior of materials under the extreme temperatures and pressures of an ice - giant core is still incomplete.
The QGP is an extreme state of matter comprising deconfined quarks and gluons (partons) that exists only at temperatures above approximately 160 MeV, a condition met for last time a few microseconds after the Big Bang, or at baryon densities five times higher than normal nuclear densities, speculated to exist inside the core of neutron stars.
Field observations of microbes recovered from deep drill cores, deep mines, and the ocean floor, coupled with laboratory investigations, reveal that microbial life can exist at conditions of extreme temperatures (to above 110ºC) and pressures (to > 10,000 atmospheres) previous thought impossible.
For example, as a hotter, higher mass analog of WASP - 43b, KELT - 16b may feature an atmospheric temperature - pressure inversion and day - to - night temperature swing extreme enough for TiO to rain out at the terminator.
If that variability was increasing, they would expect to see more extremes at both ends of the temperature spectrum.
Today we understand the impact of human activities on global mean temperature very well; however, high - impact extreme weather events are where the socio - economic impacts of a changing climate manifest itself and where our understanding is more in its infancy but nevertheless developing at pace.
The sunshield is composed of what are essentially sheets of special plastic that maintain their integrity at extreme temperatures.
That leads to different patterns of temperature extremes in different places at different times.
Our experienced professionals have performed tests on a variety of materials, including composites, ceramics, metals, insulations, and lubricants in both normal and extreme environments at temperatures ranging from cryogenic to more than 3000 °C.
From rdmag: Researchers at the UT Dallas Alan G. MacDiarmid NanoTech Institute have demonstrated a fundamentally new type of artificial muscle, which can operate at extreme temperatures where no other artificial muscle can be used — from below the temperature of liquid
He especially enjoys research focused on the study of matter at extreme conditions of high pressure, high temperature, and high radiation flux.
They found that the likelihood of such extreme summers rose sharply in every region, cropping up at least 70 times more often in 2012 than in 1973 — a tenfold increase over the equivalent change looking at temperature alone.
In this case, the scientists looked at how much more likely the extreme temperatures recorded across Europe were during this heat wave because of warming, and found clear indications that it upped the odds.
Visit the lab of Matthew Andrews at the University of Minnesota Duluth, who studies hibernating thirteen - lined ground squirrels to learn how their hearts manage extreme temperature fluctuations.
Toward colder extremes, as the area of sea ice grows, the planet approaches runaway snowball - Earth conditions, and at high temperatures it can approach a runaway greenhouse effect (8).
Researchers at the University of Western Australia have discovered that rising sea levels could reduce water temperature extremes among reefs that have strong tidal conditions.
Although their reflectors are exposed to extreme conditions at an altitude of 5,000 meters above sea level in the Chajnantor Plateau, facing gusty winds and temperatures that vary from 20 to -20 degrees Celsius, and even snow, the antennas are designed to withstand these conditions.
Possible increased growth and productivity concurrent with climate oscillations that increase water availability, particularly at higher elevations and where stand density is low; extreme high temperatures would have net negative impact, regardless of water availability
«We show that at the present - day warming of 0.85 °C about 18 % of the moderate daily precipitation extremes over land are attributable to the observed temperature increase since pre-industrial times, which in turn primarily results from human influence,» the research team said.
Then, they calculated the total exposure to extreme heat in «person - days,» by multiplying the number of heat waves - days when temperatures reach at least 95 degrees - by the number of people who are projected to live in the areas where extreme heat is occurring.
The surface changes on Pluto are due to extreme temperature variations between seasons, said Mike Brown, professor of planetary astronomy at Caltech.
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