Sentences with phrase «sand particles»

According to Scientific American, a mass of sand particles is typically 25 - 30 % air or water.
Mr van der Zanden used a range of instruments to measure the concentration and speed of sand particles in the water, he also examined changes in the underlying sand layer, and measured the water pressure at various points in the wave flume.
Visibility is usually moderate or poor due to the air picking up pollutants during its passage over Europe and from sand particles blown into the air from Saharan dust storms.
Lacking these bristles, the wolf spider instead glues sand particles together by connecting the grains with fine silk threads.
Identifying a pregnancy pillow made of micro-bead fillings is real simple: the pillows feel like they're filled with sand particles.
Because sand does not transmit energy to adjacent sand particles when wind blows over it, the wind must rise over a stationary hump.
Gravity - fed Combined Solar Receiver / Storage System Using Sand Particles as Heat Collector, Heat Transfer and Thermal Energy Storage Media
In a paper published this week in Nature Materials, researchers from North Carolina State University and the University of North Carolina - Chapel Hill show that magnetic nanoparticles encased in oily liquid shells can bind together in water, much like sand particles mixed with the right amount of water can form sandcastles.
And when dust from Utah settles on Colorado's snow - packed Rocky Mountains, those dark - colored sand particles speed up spring snowmelt by absorbing more solar energy.
Adding compost or other organic material such as aged manure will bind sand particles together, decreasing erosion and assisting in water retention.
Variations in the ability of sand particles kicked into the atmosphere from deserts in the Middle East to absorb heat can change the intensity of the Indian Summer Monsoon, according to new research from The University of Texas at Austin.
The results of the study could help improve monsoon prediction models, which usually use a constant value for sand particles» heat - absorbing ability.
MARS's distinctive red colour may be the result of thousands of years of wind - borne sand particles smashing together, not rust as was thought.
In a paper published this week in Advanced Materials, corresponding author Orlin Velev and colleagues show that, in a water medium, liquid silicone rubber can be used to form bridges between tiny silicone rubber beads to link them together — much as a small amount of water can shape sand particles into sandcastles.
This lifestyle helps the lizard evade the sweltering desert heat in the Middle East and North Africa, but it causes another problem: inhaling sand particles.
This likely means that as the air slows down, sand particles fall and get trapped in mucus and cilia that line the section, the scientists report today in the Journal of Experimental Biology.
They found the lizards breathe out with about 60 % more intensity inside their sandy burrows than when they are aboveground, which might allow them to expel sand particles from their nostrils.
Sand dunes are made of rocky sediment worn down by wind and collision with other sand particles.
This would be impossible for Mars» or Earth's dunes that are composed of silicate sand particles, where they are shaped by the prevailing winds.
These areas of loosely packed sand particles are created by an upward movement of water which is typically found near oceans and natural springs, and along riverbanks.
The fine sand particles are also great for polishing jewellery (not so great for cameras though!)
Previous contamination has been mere sand particles, much bigger and sourced naturally from the Gobi desert.
Particles Fluidized Bed Receiver / Reactor Tests with Quartz Sand Particles Using a 100 - kWth Beam - Down Solar Concentrating System at Miyazaki
It's a multipurpose bond - promoting primer that contains sand particles to create a surface that the new tile can adhere too.
Ross Boulanger, an engineer at the University of California at Davis, argues that even after soil liquefies, it is still a two - phase material: a dense slurry of sand particles in highly pressurized water.
The fossil also hints that the porpoise had poor eyesight, and its teeth showed signs of wear from sand particles.
Midair collisions of sand particles can double the strength of a sandstorm, according to new computer simulations.
Sand particles are very sneaky and they can ruin your soup, be alert.
Then, fast - moving particles in the solar wind could shoot the ionized water back toward the comet's surface, where it could collide with rust or sand particles.
Researchers conclude that the meter - scale ripples are built by Martian wind dragging sand particles the way flowing water drags sand particles on Earth — a different mechanism than how either dunes or impact ripples form.
He also calculated variations in the density and size of the sand particles affecting the lizard's friction, drag, and thrust.
Hooke, an early developer of the compound microscope, used his device to peer at the eyes of flies, the stinger on a bee, hairs, bristles, sand particles, seeds, and more, noting every detail with both words and masterful illustrations.
When you sand it the particles you can't see will enter your lungs and potentially cause serious health issues.
Why do they feel the need to overcompensate by throwing in the Sandman (Thomas Haden Church), an ex-con who can change into a shape - shifting heap of sand particles, and Venom (Topher Grace), an envious rival of Peter's at the Daily Bugle who transforms into a fanged, building - scaling meanie?
The types of sand particles that make up quicksand, however, are a little different; they are more elongated in their shape, and don't fit together as neatly.
When they blow over the island this way, they cross over the Sahara Desert first, where they pick up dust and sand particles in the air.
While smartphone screens may be scratched by items like keys and sand particles, the concern with Motorola's flagship phone is that a fingernail can leave an undesirable mark on the smartphone's screen.
In this case the final step was wiping off the excess oil and sanding particles and then buffing which showcased the paint's wonderfully - mottled depth and now beautiful sheen as well.
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