Sentences with phrase «air and water surface»

Waves originate when air and water surface temperatures are not the same.

Not exact matches

When demand for electricity is again high, the system is reversed: The weight of the water forces the air back to the surface, where it collects the stored heat and drives an expander, reproducing approximately 70 per cent of the input electricity and releasing the air back into the environment.
I took the dough out of the bowl and flattened it on a floured surface, kneading it lightly to get the air out, and repeated the rising process; placed the dough in the bowl, covered, filled sink with warm water, and placed the bowl in sink.
It has unique surface properties, with the ability to form elastic films at air - water and oil - water interfaces.
It is on the surface and in the water and in the air.
This is accomplished with a powerful blast of warm air that quickly breaks up the layer of surface water on a userâ $ ™ s hands for quick removal and evaporation.
It is a multifunctional thermometer which can detect the temperature of water, surface, body and air temperature.
The CPSC has issued a warning against using them and other soft surfaces, stating that infants should never be placed on air beds, water beds, and beds not designed for babies» use.
«NYSTA's knowledge of highway use and regulation and traffic impacts, while important, is highly limited within the context of a complex environmental review covering surface and groundwater, soils, bedrock and geology, storm water, air quality, habitat, and climate, among other areas of specialized knowledge and expertise,» they wrote.
He said while some hyrofracking chemicals are toxic and carcinogenic, public exposure to such chemicals is manageable, and that there are no known cases of the chemicals — which are injected deep underground a mile or more to fracture gas - bearing rock layers — reaching the surface to contaminate water or air.
«You can repel water with a rough surface that creates tiny pockets of air between the water and the surface, but those surfaces don't always repel oils or alcohols because of their lower surface tension,» Tuteja said.
Lunar water could be used for drinking or its components — hydrogen and oxygen — could be used to manufacture important products on the surface that future visitors to the moon will need, like rocket fuel and breathable air.
In a project called SWAB (Surface, Water, and Air Biocharacterization), NASA microbiologists keep tabs on the station's microscopic residents by sampling the water crew members drink, the air they breathe, and the surfaces they tWater, and Air Biocharacterization), NASA microbiologists keep tabs on the station's microscopic residents by sampling the water crew members drink, the air they breathe, and the surfaces they touAir Biocharacterization), NASA microbiologists keep tabs on the station's microscopic residents by sampling the water crew members drink, the air they breathe, and the surfaces they twater crew members drink, the air they breathe, and the surfaces they touair they breathe, and the surfaces they touch.
MAVEN arrived at Mars in Sept. 2014 on a mission to investigate a planetary mystery: Billions of years ago, Mars was blanketed by layer of air massive enough to warm the planet and allow liquid water to flow on its surface.
Then, the drop recoils from the water - repellent molecules on the leaf's surface and snaps back, launching part of the drop into the air.
«These releases could lead to a higher short - term concentration of certain pollutants in the air, soil and surface water bodies where the meltwater runs to,» worries Nazarenko.
«I think the reason the plant's surface is super-hydrophobic is because it lives on the water and requires air to survive,» Yang Yang, a postdoctoral researcher on Chen's team, said.
At night the chamber is opened, allowing ambient air to diffuse through the porous MOF and water molecules to stick to its interior surfaces, gathering in groups of eight to form tiny cubic droplets.
The Michigan Tech chamber works differently due to cloud mixing between a hot and cold surface, the same process that forms clouds or fog over a lake on fall days when the water temperature is warmer than the air temperature.
So, for example, a big part of what drives a hurricane is the fact that you've got a lot of warm water near the surface of the ocean that is transferring heat into the air, and that's what's moving up, and that is a big part of then what's propelling the entire bigger storm system.
The Michigan Tech chamber creates clouds through cloud mixing between a hot and cold surface — the same process that forms fog over Portage Lake on fall days when the water temperature is warmer than the air temperature.
With hundreds of aircraft constantly in the air and covering a wide expanse of water, it should be possible to make it extremely dangerous for any U-boat to show itself above the surface during daylight; and at night large seaplanes equipped with searchlights could make it almost as dangerous for submarines to rest on the surface while charging their batteries.»
The study accounted for evapotranspiration, which is water released into the air through plant transpiration and soil evaporation, as well as precipitation, and surface water flowing into and out of the Central Valley.
Schulz and his colleagues suspect that an atmospheric low tide releases a tiny amount of pressure on the air and water in the soil at the surface.
Cold surfaces can cause water vapor in the air to cool down, condense and form tiny beads of liquid.
The branching involves the way in which water molecules in the air move toward the crystal; and the symmetry involves their final attachment to the crystal surface, causing the crystal to grow.
The normal, microscopic imperfections — holes, gaps and voids — on the surfaces of everything from industrial boilers to pots and pans create pockets where air is trapped and liquid water can become steam.
It is a surface hunter, shaped by evolution to hover just beneath the boundary between water and air, where it picks off anything unlucky enough to catch its notice.
Warm air and surface water are melting the summer polar ice cap.
«For various periods over the last 60 years, we have been able to combine important processes: atmospheric variability, such as the North Atlantic Oscillation, water and air temperatures, the occurrence of fresh surface water, and the duration of convection,» explains Dr. Marilena Oltmanns from GEOMAR, lead author of the study.
Weiqing Ren from the A * STAR Institute of High Performance Computing and the National University of Singapore used a «climbing string» computational technique to model a micropatterned surface that uses microfabricated pillars to trap air pockets and so repel water molecules.
To move and turn, they use «a sculling motion, [where] during the front stroke the leg is in the air, and during the reverse stroke the leg is pushing water [but] never breaking the water surface,» says principal investigator Metin Sitti.
This creates a dense net of fibers that water can't penetrate — and it also traps air bubbles that prevent heat transfer, keeping water from freezing on the feather's surface.
However, plant leaves and biofilms both vary in this respect: when the lotus effect is present, small air bubbles are trapped between the water droplet and the surface of the leaf, whereas this does not occur in the rose petal effect.
So far, these early results showed that physical conditions where the air and the ocean interact must be a vital part of any successful hurricane forecasting model and would help explain, and predict, how a storm might intensify as it moves through across the water based on the physical stress at the ocean's surface.
Theories of icicle growth had traditionally had nothing to say about such features, but Farzaneh and Ueno suggested surface tension between the freezing water and the surrounding air was the culprit: the higher the surface tension, the fewer ripples on the icicles (Physics of Fluids, vol 22, p 017102).
Using satellite data, the scientists then assessed how this new tree and plant cover would drive three climate feedbacks: water vapor in the air, carbon absorption by plants and the reflectivity of the Earth's surface.
It requires two ingredients: low air pressure and a «superhydrophobic» surface that fiercely repels water.
Whales» lungs are particularly efficient at taking up oxygen when they breathe air in and out through their blowholes at the water's surface.
AMARGOSA VALLEY — In the Nevada desert one mountain range removed from Death Valley, four divers strapped air tanks to their backs and slipped beneath the surface of a water - filled cavern for one of world's most exclusive scuba expeditions.
i.e. the water vapour will tend to carry heat (in the form of warmed air and latent heat) higher in the atmosphere, reducing surface warming.
Precipitation rate was used in the calculation rate not because of the latent energy in the water vapor, but because the precipitation rate was treated as proportional to the rate of transfer of air (with water vapor mixed in) from the surface to the upper cloud level; and the fraction of each kilogram of air that was water vapor was treated as constant.
Salt lamps attract this water vapor and those items it carries to its surface and removes them from the air.
While moving over the Great Lakes the dry, cold air loads up water vapor and heat from the lakes surfaces leading to strong snowfall downwind of the lakes.
Gently squeeze excess water out of bristles and place on a level surface to air - dry before next use.
► A man and a woman steal a Medevac helicopter and fly to stop creatures from destroying a city: they see a giant wolf jump into the air and bite three helicopters in half while the wolf and a giant gorilla destroy buildings and vehicles into rubble and smoke; something swims fast under the surface of a river, it rises high in the water to reveal a prehistoric spiny crocodile with an armored tail and a spiked ball at its end, many huge teeth that include side tusks, and wings behind its ears; it upsets a large touring craft full of people who fall into the water, screaming, and it roars at the sky before joining the other two creatures in destroying buildings.
You'll have to ensure there's good air quality for your colonists, make sure there's power stored up to run through the night, mine for water and dredge up the Martian surface for concrete and more.
No they were just air bubbles and coolant level is not dropping so I do nt think there is any water leak in the engine, Couldn't they just be the air bubbles due to the sloshing of engine oil in the sump over the uneven surface of the road?
It expresses Nagare «flow» on the outside with sand - dune like surface iteration and combines these with shapes from machines that move through water or air.
The «self - cleaning» paint, called Ultra-Ever Dry, creates a protective layer of air between the paint and environment, effectively stopping standing water and road spray from creating dirty marks on the LEAF's surface.
a b c d e f g h i j k l m n o p q r s t u v w x y z