Sentences with phrase «presence of water»

If CO2 behaves as claimed then surely the lapse rate will show this, especially in presence of water vapour.
You feel secure in this knowledge and the physical presence of the water is not always necessary.
It was a particularly challenging project because of the scale involved, in addition to the frequent presence of water — long a computer graphics headache.
There is abundant evidence for the past presence of water on Mars but today it appears relatively dry, with water ice confined to the planet's polar caps.
The former is important as life would require the sustained presence of water to gain a toehold.
This was suggestive, but not conclusive, evidence of a previous presence of water.
Two years ago tomorrow, the Phoenix Mars Lander plopped down near the north pole, and for 5 months it transmitted data indicating the onetime presence of water beneath the frozen surface.
In the accompanying presence of water, the perovskite surface also gets converted to a protective shell.
Enter the Overleaf Spa, where the healing powers of the sea and the soul - stirring presence of its waters just beyond your spa suite's window combine for an Oregon spa experience that truly transforms body, mind and spirit.
The secret is in the island's limestone construction, which has naturally eroded under the constant presence of water to create tiered steps and refreshing pools.
Poorly characterized mechanisms driving both production and destruction of GEM in the interstitial air of snowpacks depend on environmental conditions (irradiation, temperature, and presence of water layer around snow grains) and the chemical composition of snow (e.g., presence of halogens or divalent mercury species as a consequence of surface deposition)(25).
«Glass with switchable opacity could improve solar cells and LEDs: Nanoscale «grass» structures also enable smart glass that switches from hazy to clear in presence of water
They indicated the presence of water, which was a cause for celebration, as having water on Mars means astronauts won't have to carry as much when they visit.
They also found a leaky roof, which is particularly concerning since the presence of water exacerbates the growth of salmonella.
Life is folly... everything between your living and your death is simply an electro - chemical reaction to internal and external stimuli — much like a fish reacting to the absence of or presence of water?
It belongs to a class of fiber called soluble fiber, which expands or bulks in the presence of water.
The proteins that form gluten, for example, are activated my mixing in the presence of water.
The protocol is used to certify the repulpability and recyclability of wax alternatives for corrugated products that have been treated to improve performance in the presence of water and water vapor.
When the fibers are disrupted, say in a twisting motion in the presence of water, these hard proteins change shape and the wool fibers expand and the outer sections begin to pull away from the main shaft.
Aside from the presence of water, bathrooms also contain lots of small items that adults use, like razors and tweezers, that you wouldn't want your baby to get his hands on.
All of the organophosphate nerve agents degrade in the presence of water, through a mechanism called hydrolysis.
It may be that several seemingly disparate phenomena were essential in making Earth a habitable world: the formation of the moon, the planetary magnetic field, plate tectonics and the presence of water.
Liquid water is not a prerequisite for a high score: A planet with liquids on the surface receives more points than a dry world, but the presence of water confers no additional advantage.
Long before the space age, humans looking at Mars thought they saw evidence for the presence of water, in the form of giant canals built by some very advanced, very thirsty civilization.
So the team concluded the lower densities in this system probably come from the presence of water.
The meteorite is made of volcanic rock, and the presence of water in it suggests that crustal rocks on Mars interacted with surface water that was delivered by volcanic activity, near - surface reservoirs or by impacting comets, Agee says.
Radar signals bounced off a crater on the moon's south pole by the US Clementine spacecraft in 1994 hinted at the presence of water ice.
The presence of water can make it easier for rocks to melt, Navon says, by lowering the melting point of hot rock under pressure.
The presence of water on ancient Mars is a paradox.
It is strongly associated with the presence of water and is notable, along with the tiger, as a feline that enjoys swimming.
Orians was studying how blackbirds choose where to live when he noticed that humans also select their habitat according to specific criteria, like the presence of water, large trees, open space, and distant views — criteria evoking the savanna where humans evolved.
Careful analysis of what frequencies are absorbed, and by how much, can directly reveal the presence of water vapor and other compounds, and can divulge climate parameters, such as temperature and pressure, that determine if liquid water is sustainable.
Observations from orbit show that the layers in Aeolis Mons — also called Mount Sharp — contain minerals thought to have formed in the presence of water.
The veins crosscut other parts of the meteorite — meaning they must have been among the last features to form while the rock was sitting on Mars — and the mineral is intrinsically interesting because it forms in the presence of water.
The unique leaves are super-hydrophobic, meaning «water - fearing» and retain a surrounding air pocket when submerged in water due to the presence of water - resistant hairs.
Because brown dwarfs are colder than stars, astronomers used Hubble to identify them by the presence of water in their atmospheres.
At high temperatures and in the presence of water, the starch granules lose their structure and can be easily degraded by our digestive enzymes.
However, the presence of water in their atmospheres indicates that most of them can not be misaligned stars in the galactic background, and thus must be brown dwarfs or exoplanet companions.
On Ceres, the relatively smooth flanks of Ahuna Mons and the presence of water ice suggest material bursting forth from within.
Other papers in the package also touch on the presence of water ice on Ceres, which had already been reported by the Dawn team and by astronomers observing the dwarf planet from afar.
Pinning down how and why acid molecules split in the presence of water could give insights into biochemistry and pollutants forming in the atmosphere
The presence of water and melt challenges geologists» long - held assumption that asthenospheric convection moves tectonic plates around.
Some researchers have made polymer coatings that become more wettable in the presence of water and more water - repellant in the presence of organic solvents.
The revised map draws on 30 years of data and uses a complex algorithm to factor in other variables that affect local temperatures, such as altitude and the presence of water bodies.
In this case, the crucial factor is not the presence of water; it is the proximity of violent, massive stars.
Because there is only one hydrogen - containing compound — H2O — that could plausibly exist in abundance on Mars, planetary scientists consider hydrogen a valid proxy for the presence of water.
Carbonate minerals, which form in the presence of water and have previously been found only in trace amounts on Mars, have been spotted in outcrops of rock on the Red Planet, new observations reveal.
The composition also suggests that these rocks formed in the presence of water and at relatively low temperatures, around 150 ° Celsius.
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