Sentences with phrase «of surface tension of water»

Not exact matches

Boar bristle will absorb water, whereas badger will shed water; badger, however can hold more water than boar, likely because of surface tension and water's attraction to the greater quantity of the finer hairs in the badger brush.

Water molecules move from areas of low surface tension to high surface tension and so the sticks moved.

When we added washing up liquid we disrupted the arrangement of the water molecules which decreased the surface tension inside the triangle of sticks.

What you experience is due to the surface tension of water and cohesion.

contain Saponin, a natural cleaner that works as a surfactant, breaking the surface tension of the water to penetrate the fibers of your clothing, lifting stains from the fabric and leaving dirt suspended in the water that is rinsed away.

«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.

All that's required to peel the ink from glass is the surface tension of water and a little patience, scientists report.

OUT, DAMNED SPOT Ink from permanent markers may seem nearly impossible to remove, but researchers have demonstrated that the surface tension of water can peel the ink off glass.

The shape of the dipper allows the water to be gripped by surface tension.

Dispersants are mixtures of solvents, surfactants and other additives that break up the surface tension of an oil slick and make oil more soluble in water, according to a paper published by the National Academy of Sciences.

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.

Still, the design needs work: The machine doesn't land well, and it can only pierce the water's surface with the help of soap, which lowers the surface tension.

Bacteria may be a meat - eating plant's best friends thanks to their power to reduce the surface tension of water.

Water's behavior was tested with three different approaches: ultrafast optical measurements, which revealed the arrangement of molecules on the nanometric scale; a computer simulation on the atomic scale; and measurement of the water's surface structure and tension, which was done at the macroscopic lWater's behavior was tested with three different approaches: ultrafast optical measurements, which revealed the arrangement of molecules on the nanometric scale; a computer simulation on the atomic scale; and measurement of the water's surface structure and tension, which was done at the macroscopic lwater's surface structure and tension, which was done at the macroscopic level.

Because of the force of surface tension, water droplets are normally held in tight spheres.

The physics of the water bell is exactly the same as the falling curtain of chocolate; and the reason the chocolate falls inwards turns out to be primarily surface tension.

Prof Angus Gray - Weale from the Chemistry, Department of Chemistry University of Melbourne said, «The surface tension of water affects its behavior and changes with pH but previous research about the adsorption of various ions at the interface all ignored the presence of the hydroxide ion and its charge.»

These motions are governed by water's surface tension, the force that gives a drop of water its shape.

Surface tension, the force that produces the lovely teardrop shape of dripping water, also resists surface ruSurface tension, the force that produces the lovely teardrop shape of dripping water, also resists surface rusurface ruptures.

CMU's water - walking robots use the force of surface tension on Teflon - coated legs a few hundred microns thick and two to four inches in length to keep themselves above water.

«Although surface engineering facilitates effective liquid manipulation and enables water droplet self - transportation on synthetic surfaces, self - transportation of oil droplets posed a major challenge because of their low surface tension,» explains Postdoctoral Researcher Xuelin Tian.

In order to make the transition from air to water, the team first had to solve the problem of surface tension.

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).

The resulting roughness increases the surface area of glass in contact with water, enhancing the attractive forces between the two and overcoming some of the surface tension.

In the case of electrons on helium, the system is pure and homogenous, but the surface of liquid helium is nonetheless disturbed by capillary waves — ripples associated with the surface tension and similar to small, circular ripples in a pond when a pebble is tossed into the water.

When you pour some soda into a glass, some gas escapes and forms foam, but most stays trapped by the surface tension of the water.

All experiments were carried out in laboratory conditions where ambient temperature was maintained around 23 °C, so as not to vary the surface tension of water.

The fan improves the ability of Rhagovelia to push against the surface tension of water.

«Surface tension is something that we have to overcome to get out of the water, but is also a tool that we can utilize during the gas collection process.»

• Safe: free of disease - causing microorganisms (bacteria, viruses, spores); heavy metals; chemicals from industry and agriculture; pharmaceuticals; disinfectants and related by - products; radioactivity; and synthetic fluoride; • Fresh: neither salty nor stagnant; • Clean: physically, biologically and chemically; • Natural: coming from a pristine mountain stream, glacial river or fresh spring; • Hydrating: water with low surface tension and thus better hydrating; • Mineral balanced: contains a wide variety of minerals including trace minerals, excellent ionic activity (Total Dissolved Solids ~ 300 ppm), including cations such as calcium, magnesium, potassium and sodium; and anions such as nitrate, chloride, bicarbonate, sulfate and carbonate.

Saponin is an all - natural surfactant which lowers the surface tension between your laundry and the wash water then bonding itself to the fibers of your laundry, literally lifting and removing stains, dirt, grease, and grime while simultaneously eliminating any odors and naturally softening your clothes.

Absent the expected emotional waves, «Unbroken» can't even muster the surface tension of still water.

While exploring the Water module, students made slides of water on different materials to observe surface tenWater module, students made slides of water on different materials to observe surface tenwater on different materials to observe surface tension.

Gillian used an image of an insect resting on the surface of water to illustrate surface tension (see Figure 2).

In fact, it has been constantly changing with synthetic resins now making their way in competition with solutions of nitrocellulose and, with more recent applications of dispersing agents, with lower surface tension, there have even appeared lacquers in which the more expensive and inflammable solvents have been replaced to a considerable extent by water.

Aquatic Therapy in an Underwater Treadmill: Buoyancy, hydrostatic pressure, viscosity, resistance and surface tension are physical properties of water that can produce specific therapeutic benefits.

It works by reducing the surface tension of water.

In another an Olympic swimmer, cauled in the surface tension of the pool's water, is being forced to play the recorder — a cheap, plastic version of the flute, often given to middle schoolers as an introduction to sheet music.

A hydrophilic surface would also be preferable for condensation (reduced surface tension effect for a given mass of liquid water in a droplet), though I've never heard of that being important in the atmosphere.

If nothing else these chemicals would actually reduce the surface tension at the ocean - atmosphere interface and allow a greater amount of water vapor to move into the atmosphere.

Surface tension of water is «ratcheted up» (in multimers of H2O [this is the phase change], the exact mechanism for which I prefer to keep secret at the moment) and it is the ensuing structure (pervection) that explains the missing lubrication (Lorenz) in our atmospheric circulation.

It is known that surface tension decreases with decreasing temperature, the rate of decrease is different in different sources, but it is known that at low temperatures (can be around Tlim of -70 to -100 C), s becomes very low, even for pure water without surfactants, and may become even negative in some extrapolations to the low T, which prevents calculations at these T.

* Reduce the surface tension of water that comes in contact with the reservoir, to improve gas production.

When water goes down a drain it doesn't just fall down the middle but sticks to the pipe because of surface tension; the powerpipe circulates the cold water supply in a coil wrapped around the drainpipe.

Most natural substances soak up oil, and the few that repel it also repel water because water has a higher surface tension... The new coating is a blend of a rubbery, commercially - available polymer and a novel nanoparticle.

Australian company, AquaGen Technologies has come up with a SurgeDriv system, which has a series of floats linked with tension cabling via the seabed and then to a generator on a platform above the sea surface, thus keeping as much of the infrastructure out of the water as possible.