Sentences with phrase «of dust particles»

Many of those models estimate the sizes and numbers of dust particles in the atmosphere based on weather conditions, but they don't include the effects of electric fields.

Another application is the measurement of dust particles and trace gases in environmental monitoring.

For the implementation on board of the high altitude aircraft they developed nine instruments measuring physical and chemical characteristics of dust particles and clouds.

The real variables are the average mass of the dust particles, the force of gravity, and the height above the table.

It may depend on the types of repairs you're having, but there's usually a lot of dust particles flying around, especially if you're working with wood.

A critical link between the size of dust particles in clouds and their likelihood to produce rain was discovered by scientists at PNNL and their collaborators.

A significant number of the dust particles in dark nebulae have coats of frozen water, nitrogen, carbon monoxide and other simple organic molecules.

If you have a great filter like that in the Aprilaire High Efficiency Air Cleaner not only will your filter last longer, but you will have 94 % of pollen and mold, 72 % of airborne bacteria and fungi, and 56 % of dust particles removed from your home.

Cassini will use a host of instruments to test the plumes, including its Cosmic Dust Analyzer, which can capture and test the composition of dust particles thrown up from the moon's surface.

Water droplets and ice crystals in the atmosphere condensed on the infusion of dust particles and settled into pouch - like formations due to wind currents.

Researchers now can tackle the mystery of why the winds create sooty waves of dust particles for only a few months during each 8 - year orbit, Williams says.

Fully enclosing the demolition area reduces the volume of dust particles emitted from the site by a factor of 100 compared with conventional methods, says Taisei's Hideki Ichihara.

The West Coast can rely on a steady stream of dust particles from Africa and Asia — it takes between seven and 10 days for the dust to cross the Pacific Ocean, Prather added, and dust can circumnavigate the globe in a matter of weeks — but what the western United States has been missing during this drought is the other main part of the equation: clouds that the dust can seed.

NASA's Mars orbiters will gather information before, during and after the flyby about the size, rotation and activity of the comet's nucleus, the variability and gas composition of the coma around the nucleus, and the size and distribution of dust particles in the comet's tail.

By examining infrared data taken earlier by the Spitzer Space Telescope, they discovered a swath of dust particles ranging in size from 0.1 to 20 microns (finer than a split hair) that added up to the mass of a large asteroid and, based on their warmth, were strewn about 1.8 Earth — sun distances from the star.

He also noticed that the intensity of polarized emissions allows us to estimate the size of dust particles far better than other methods.

Thanks to ALMA's high sensitivity, we have detected such a tiny signal to derive information about the size and shape of the dust particles,» said Kataoka.

Such a big difference in the estimated size of dust particles implies that the previous assumption might be wrong.»

In fact, the addition of dust particles could instead create more water droplets too small to rain down or even build a respectable cloud.

A beam of sunlight streams into your living room, illuminating a Milky Way of dust particles hanging in the air.

Researchers from Mainz develop specialized instrumentation for the analysis of dust particles in the stratosphere...

However, in the case of HD 98800B, the dust particles do not evenly fill out the inner disk as expected, due to either planets or the diskless binary pair sitting 50 AU away and gravitationally influencing the movement of dust particles.

Cassini's first dive in its grand finale revealed the space between rings is largely free of dust particles.

Glass - panel engravings explore the history of dust particles in interstellar space.

For their exhibition «Every piece of dust on Freud's couch» at the Freud Museum in London, artists Broomberg & Chanarin hired a police forensic team to scrutinise Sigmund Freud's iconic couch, gathering DNA samples, strands of hair and a multitude of dust particles left by his many visitors.

High moisture levels reduce the potential release of dust particles and bioaerosols.

«As small as they are, conglomerates of dust particles in soils behave the same way on impact as a glass dropped on a kitchen floor,» said Jasper Kok, the researcher who conducted the study and a scientist at the National Center for Atmospheric Research (NCAR) in Colorado.

Dust impact on climate has varied over time, depending on the amount of dust particles in the atmosphere and therefore on aspects like vegetation, wind strength, and precipitation patterns (8 ⇓ — 10).

Most of Earth's albedo is caused by reflection of the incident solar flux from several surfaces: from the tops of clouds, from the surface of the oceans, from the surfaces of continents, and from the surfaces of dust particles in the atmosphere.

Deposition of dust particles containing limiting nutrients can enhance photosynthetic carbon fixation on land and in the oceans.

Composed of dust particles and debris, the rings are formed by the star's gravity tearing apart asteroids that came too close.

This happens when Earth plows through a large number of dust particles.

Researchers found that the size of the dust particles in the inner 22 au gap is smaller than in the other bright regions and guess that a planet similar to Neptune is located in this gap.

Some of the largest uncertainties in current climate models stem from their wide - ranging estimates of the size and number of dust particles in the atmosphere.

The Aprilaire High Efficiency Air Cleaner is a whole - house cleaning solution that removes 94 % of pollen and mold, 72 % of airborne bacteria and fungi, and 56 % of dust particles.

Russian scientists favored the latter hypothesis because a comet is composed of dust particles and ice, which would fail to produce an impact crater.

Difficulty in measuring the size of dust particles has prevented astronomers from tracing the process of dust growth.

Comparing the observed intensity of the polarized emissions with the theoretical prediction, they determined that the size of the dust particles is at most 150 micrometers.

It is important that vacuum cleaners are fitted with HEPA (High Efficiency Particulate Air) filters meaning that at least 99.97 % (at 0.3 Micron) of dust particles are retained; helping children with allergies or asthma breathe easier.