Sentences with phrase «of liquid droplets»

Since arctic clouds are known to exert a significant influence on atmospheric radiation and may play a role in observed arctic warming, the ARM - ACME V campaign will also address populations of liquid droplets and ice crystals to help characterize the properties of cloud layers.

Plasmon resonance of gold nanorods for all - optical drawing of liquid droplets M. de Angelis, P. Matteini, F. Ratto, R. Pini, S. Coppola, S. Grilli, V. Vespini, and P. Ferraro Applied Physics Letters 103, 163112 (2013).

Using nuclear magnetic resonance (NMR) spectroscopy, computer simulations and microscopy, the researchers showed how disease mutations and arginine methylation, a functional modification common to a large family of proteins with low - complexity domains, altered the formation of the liquid droplets and their conversion to solid - like states in disease.

«Probability density function,» a statistical representation of the likelihood of something occurring at any point in time, was used to examine cloud properties, including vertical motion, liquid and ice water content, and the conditions of cloud particle growth, including how ice crystals grow at the expense of liquid droplets.

Indeed, the existence of these liquid droplets is entirely due to quantum fluctuations, a fascinating intrinsic quantum effect.

Researchers in Hong Kong and at Lehigh University recently demonstrated that it is possible to exploit the Leidenfrost effect to control the direction and destination of liquid droplets on a surface and thus to cool it more efficiently.

Scientists in the last 20 years have learned to control the movement of liquid droplets on a solid surface by breaking the wetting symmetry that results from the impact of a droplet on a surface.

«Understanding the wetting of micro-textured surfaces can help give them new functionalities: New theoretical model explains experimental measurement of the friction of liquid droplets sliding on micro-structured surfaces.»

However, until now, our understanding of exactly how the sliding behaviour of liquid droplets depends on surface microstructures has been limited.

These findings should «be of value for a wide range of research areas, such as the study of nonwetting surfaces by the Leidenfrost effect and nanotextured features, enhanced liquid droplet bouncing, and film boiling of liquid droplets on heated Cassie surfaces,» he added.

Because the nickel particle that is causing the spinning is resting at the bottom of the liquid droplet that is a barrier, and the bacterial disk is rotating adjacent to the droplet surface, a stagnation zone forms.

«Wettability plays a key role in determining the equilibrium contact angles, contact angle hysteresis, and adhesion between a solid surface and liquid, as well as the retraction process of a liquid droplet impinged on the surface,» explained Doo Jin Lee, lead author, and a postdoctoral researcher in the Department of Materials and Engineering at Seoul National University.

The scientists would also like to create a system in which the proteins, FKBP and FRB, form liquid droplets so that they can compare the effects of the liquid droplet and hydrogel forms of the protein structures.

As for the rounding up of a liquid droplet, compaction is driven by the surface tension of the cells.

The most significant changes in the new D - series cloud datasets are: 1) revised radiance calibrations to remove spurious changes in the long - term record, 2) increased cirrus detection sensitivity over land, 3) increased low - level cloud detection sensitivity in polar regions, 4) reduced biases in cirrus cloud properties using an ice crystal microphysics model in place of a liquid droplet microphysics model, and 5) increased detail about the variations of cloud properties.

Not exact matches

Fine particulate pollution is a mixture of solid particles and liquid droplets, many times smaller than a human hair.

The model also incorporates the inertia and surface tension of the liquid, which determine the size and configuration of the droplets that emerge as a «blood cloud», and the diminished air drag each droplet feels thanks to the presence its neighbours.

Minute liquid gallium droplets are deposited on a hot silicon crystal of around 600 °C in temperature.

To fabricate the wires, the scientists employed a procedure known as the self - catalysed Vapour - Liquid - Solid (VLS) method, in which tiny droplets of liquid gallium are first deposited on a silicon crystal at a temperature of around 600 degrees CeLiquid - Solid (VLS) method, in which tiny droplets of liquid gallium are first deposited on a silicon crystal at a temperature of around 600 degrees Celiquid gallium are first deposited on a silicon crystal at a temperature of around 600 degrees Celsius.

Ho and her colleagues created these delicate structures by attaching droplets of liquid gallium to tiny silicon wires and immersing them in a gas containing methane.

They saw the expected soot, sea salt, and plenty of local dust inside the liquid droplets, but those things rarely had ice associated with them.

In fact, the droplets remained liquid until about -55 degrees Fahrenheit (around -48 degrees Celsius) and then froze in about one millionth of a second.

Unlike traditional pipettes, which draw up liquids using suction, the liverwort relies on the surface tension of the water to hold droplets, says study coauthor Hirofumi Wada, a physicist at Ritsumeikan University in Kusatsu, Japan.

Surprisingly, the first step of the process involves the parent phase producing droplets of liquid.

Opening a channel between the droplets allow for the mixing of their individual liquid contents.

Yet despite being 62 degrees below the freezing point of water, the cloud droplets remain stubbornly liquid.

The nanosurfactant combines several characteristics of each «active» molecular surfactant which allows a tremendous flexibility whereby liquid droplets can be manipulated.

The blowflies are dangling droplets of liquid food that have been stored in a special organ called a crop, Stoffolano says.

In Vader's device, an electrically - pulsed magnetic field permeates liquid metal in an ejection chamber and creates circulating electrical currents that interact with the magnetic field to produce a pressure that squeezes a droplet out of the ejector nozzle.

A magnetic coil surrounds the tube and receives a short - lived electrical pulse to create a pressure within the tube that ejects a droplet of liquid metal through the orifice.

That was the key to making droplets of liquid metal eject from a nozzle.

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.

Continuous motion of a self - propelling liquid metal droplet under a pH gradient, shown at different time intervals.

According to theory, this liquid helium forms droplets of «rain» that fall farther towards Saturn's core, unleashing gravitational potential energy that makes Saturn more luminous.

Most of each cell's volume is a large liquid droplet.

To work out how to enable liquid metal to move autonomously, Professor Kourosh Kalantar - zadeh and his group from the School of Engineering at RMIT first immersed liquid metal droplets in water.

The work also explains how the electric charges that accumulate on the surface of liquid metal droplets, together with their oxide skin, can be manipulated and used.

The formation of those droplets would also suddenly release a lot of latent heat — released from a substance as it changes from a vapor to a liquid — into the atmosphere.

The procedure, described in the latest issue of the journal Proceedings of the National Academy of Sciences, centers on making droplets, which are a mixture of two or more immiscible, or unmixable, liquids — in this case, oil, water, and alcohol.

Or, second, the Leidenfrost effect «can help produce a liquid droplet dancing on a hot surface by floating it on a cushion of its own vapor,» he added.

In this method, when a liquid droplet suspended between a pair of electrodes in dielectric oil is exposed to a direct current (DC) electric field, the droplet moves between the pair of electrodes periodically and deforms under the intense DC electric field (Fig. 1).

A simple trick keeps droplets of liquid from flying through the air upon impact — which could lead to splashless labs, operating rooms and even urinals

But if the bridge consists of two narrow cones, then the surface tension pulls the liquid back toward the individual droplets and causes the bridge to break.

They started with a conductive solid substrate, which they topped with droplets of an electrically conductive liquid.

«Using a liquid droplet is a clever way to do it,» says Zhong Lin Wang, a pioneer of energy - harvesting devices at the Georgia Institute of Technology in Atlanta.

A quantum droplet of an «electric liquid» — a new kind of quasi-particle — can be squeezed from a semiconductor by shooting it with lasers

So when the solid electrode was pushed down, compressing the liquid droplets, or pushed laterally over the top of them, the device produced a very large capacitance and voltage.

The findings may have implications in a variety of applications, he says, such as painting, producing synthetic fibers, and performing mass spectrometry, to name a few that depend on the precise control of tiny droplets of liquid augmented by electric fields.

If the bridge is made of short, wide cones, then the surface tension of the liquid tends to pull the drops together to make one big droplet.

If a droplet of liquid is placed on any normal surface, it will begin to shrink from the top down.