Sentences with phrase «by water droplets»

CO2 is a «well mixed» gas in the atmosphere despite all the sources and sinks, despite the 180 ppm reading in the ice cores being too low to support C3 plants, despite the daily and seasonal sawtooth Also see former EPA scientist — slide 24: «Most of the atmospheric carbon dioxide is being transported by water droplets.»

These are the forces exerted on the air by the water droplets suspended in it.

Each screen is formed by water droplets falling from 50 stainless - steel needles.

And even the light that does reflect from potential obstacles will arrive at different times, having been deflected by water droplets on both the way out and the way back.

Nothing stirs up a man's ire like a casserole dish besieged by water droplets.

Not exact matches

One really interesting, unforeseen point that has emerged is the factor of interchangeable weather, and how the Halo is making rainfall less obvious to the driver by deflecting water droplets away from the driver's visor.

Ultrasonic vibration: As the tiny droplets are created by «shaking» the water, ultrasonic vibration also kills germs.

The female structures nab sperm - packed water droplets by surrounding them with their fronds, like an immobilized claw in an arcade machine.

«As waves break near the shore, water droplets are blown by the wind and freeze onto subfreezing structures,» Gerth says.

Kim et al. used femtosecond x-ray laser pulses to probe micrometer - sized water droplets cooled to 227 K (see the Perspective by Gallo and Stanley).

Many clouds at mid-latitudes make rain by freezing water into ice crystals (which fall from the cloud then melt before they hit the ground), rather than by coalescing warm water droplets together.

The phenomenon can be understood through the action of water molecules, which condense to form liquid droplets by sticking to particles like dust and pollen.

And the water droplet bouncing was powered by the synergetic combination of the nonwetting surface — often called a «Cassie surface» — and the Leidenfrost effect.»

One intriguing possibility is that they were droplets of salty water that grew by absorbing water vapour from the atmosphere.

By comparing the hydrophobic surface and nanotextured surface, the group discovered that enhanced water droplet bouncing was created by the combined impact of the Leidenfrost levitation and the nonwetting Cassie statBy comparing the hydrophobic surface and nanotextured surface, the group discovered that enhanced water droplet bouncing was created by the combined impact of the Leidenfrost levitation and the nonwetting Cassie statby the combined impact of the Leidenfrost levitation and the nonwetting Cassie state.

Water harvesting materials usually work by trapping droplets or helping them travel into a reservoir efficiently — they don't do both.

In a new twist, a group of South Korean researchers from Seoul National University and Dankook University report an anomalous water droplet - bouncing phenomenon generated by Leidenfrost levitation on nanotextured surfaces in Applied Physics Letters, from AIP Publishing.

Hailstones are produced by severe summer thunderstorms, when frozen water droplets are tossed within a cloud and accumulate bulk until they're too heavy for the updrafts to support.

All the materials became waterproof and self - cleaning as water droplets of different sizes were seen bouncing instead of wetting the surface, removing the dirt applied by the researchers.

Combining superhydrophobic surfaces with Leidenfrost levitation — picture a water droplet hovering over a hot surface rather than making physical contact with it — has been explored extensively for the past decade by researchers hoping to uncover the holy grail of water - repellent surfaces.

«New innovative method for delivering genes into cells: Modification of cell physiological function with novel parallelized electroporation of mammalian cells by using electrostatic manipulation in a water - in - oil droplet.»

Beetles can skate across water by decreasing the surface tension - now tiny engines made from droplets, nanopowder and laser light are using the same trick

But according to the report, water droplets started by salt that reaches the atmosphere grow by attracting these smaller, pollution - initiated drops.

Scientists are keeping a close watch on variables that might affect life in the open ocean, including depleted oxygen levels caused by a feeding frenzy from oil - and gas - eating microbes, and the unknown effects of dispersants, which break the oil into droplets but may keep it suspended in the water.

The favoured explanation has been that the large water droplets produced by clouds collide with one another to release watery shrapnel that produces the abundant smaller droplets seen at ground level.

It was not clear from previous studies whether water harvested by such beetles came from dew droplets, in addition to fog.

In winter the observers didn't use the anemometer, an instrument for measuring wind speed, for fear it would be damaged by the supercooled water droplets that froze to everything, leaving the observatory caked in windblown ice.

An international team of scientists led by Newcastle University, UK, and funded by the US Office of Naval Research, have shown for the first time that barnacle larvae release an oily droplet to clear the water from surfaces before sticking down using a phosphoprotein adhesive.

He made the particles by atomizing a dispersion of graphene - based sheets into tiny water droplets.

In foggy weather, most of the light that reaches the camera's sensor will have been reflected by airborne water droplets, not by the types of objects that autonomous vehicles need to avoid.

The way clusters of S. caninervis harness water droplets inspired a newly designed urinal splash pad being developed by Truscott's Team.

«We have used a droplet of water to measure the water - repellent properties of a surface by recording the very tiny nanonewton force when the droplet touches the surface and when it separates from the surface.

A team led by applied mathematician Lakshminarayanan Mahadevan of the University of Cambridge, U.K., discovered that the wax is extremely water - repellant: Water droplets float on top of the needle tips much as ascetics rest on beds of nwater - repellant: Water droplets float on top of the needle tips much as ascetics rest on beds of nWater droplets float on top of the needle tips much as ascetics rest on beds of nails.

Or take the Greek alcohol ouzo — it turns cloudy white when you add water, because it's an emulsion of tiny droplets of oil (the alcohol) destabilized by the water molecules.

An experiment that, by design, was not supposed to turn up anything of note instead produced a «bewildering» surprise, according to the Stanford scientists who made the discovery: a new way of creating gold nanoparticles and nanowires using water droplets.

This conclusion was experimentally validated by actively sliding a water droplet on solid surfaces with micro-holes and micro-pillars of various sizes while simultaneously measuring the resultant sliding friction forces.

The measurement of thermal capillary waves, performed by Mr. Maayani, was made possible by turning the water droplet into a device the researchers called an «opto - capillary resonator.»

The presence of these particles helps to seed clouds by providing sites on which water droplets can condense, but very small particles, the scientists found, actually decrease the precipitating efficiency of clouds, meaning it rains less.

Clouds form when water condenses on particles of dust, and rain falls when condensed water droplets grow too heavy to be suspended by updrafts in the atmosphere.

Rainbows appear when light originating from the sun is refracted and reflected by small water droplets suspended in the air.

Then the researchers took the plants out into the forest, mimicking the natural process by which young leaves are gradually colonized by fungi swirling in the air or contained in water droplets when it rains.

Rosenfeld then divides the total volume of water in the cloud by the droplet size to reveal an estimate of the total number of cloud droplets.

Another hurricane - moderating hypothesis, this one advanced by Daniel Rosenfeld of Hebrew University of Jerusalem and William Woodley, an independent weather - modification researcher based in Colorado, holds that seeding a hurricane's lower reaches with microscopic dust particles — perhaps microbits of salt — would generate minute water droplets by giving the vapor something to attach to.

Acid rain arises when sulfur dioxide and nitrogen oxides (NOx), emitted by burning fossil fuels, react with water droplets in the air to form sulfuric and nitric acid.

A nanostructure inspired by the natural world repels water droplets and could prevent icing on airplane wings and other structures

People become infected with Legionella bacteria by inhaling contaminated water droplets, often from cooling towers or spas, or contaminated soil such as potting mix.

Jan van Hest and his PhD candidate Ruud Peters created their organelles by filling tiny spheres with chemicals and placing these inside a water droplet.

In the new study, the scientists concluded that natural trillion - times - per - second vibrations in the STO travel up into the iron selenide film in distinct packets, like volleys of water droplets shaken off by a wet dog.

The motors developed by researchers of the ICN2 Bioelectronics and Biosensors Group, led by ICREA Prof. Arben Merkoçi, have been used in test conditions to remove oil droplets from water.

The main mode, which is involved in the formation of ice crystals in mixed - phase clouds (clouds formed by ice particles and water droplets), is the immersion freezing mode.