Sentences with phrase «micrometer particles»

The device separated 9.9 - micrometer particles from 7.3 - micrometer particles so efficiently that 97 percent of the 7.3 - micrometer particles went to the correct location.

A pale beige polypropylene plastic embedded with 25 - micrometer particles of the resin is inserted into the tube in the form of a long - haired shag carpet sample and, almost immediately, CO2 levels inside the greenhouse begin a steady march downward as the resin binds CO2 to form bicarbonate, a kind of salt produced.

Not exact matches

The Rock Spa employs the state of art technology in the halo generators for crushing the pharmaceutical graded salt grains in minute particles within the size of one to ten micrometers.

This system works by trapping a cellulose particle that's mere micrometers across in a beam of nearly invisible laser light.

That dimming is best explained by dust particles less than a micrometer in size, Boyajian says.

It then combines with pollutants from combustion — mainly nitrogen oxides and sulfates from vehicles, power plants and industrial processes — to create tiny solid particles, or aerosols, no more than 2.5 micrometers across, about 1/30 the width of a human hair.

Rieke notes that our solar system contains a faint debris disk of its own — micrometer - size dust particles slowly spiraling in toward the sun.

Xiao used battery powered aerosol monitors to measure indoor concentrations of fine particulate matter, or particles 2.5 micrometers in diameter or smaller, which consists mainly of black carbon and organic carbon.

Each dust particle is only about 0.1 micrometer across (roughly the size of particles in cigarette smoke), but lots of them block the 27,000 light - years between Earth and the galaxy's center.

Consisting of particles just a few micrometers in size (creating the halo in this artist's impression), the snow has been accumulating over millions or even tens of millions of years.

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.

Next, they placed latex particles a few micrometers wide on one side of the tank and applied an acoustic field using a vibrating ceramic plate.

The method developed in this research can be used to detect cesium carbonate particles at high resolution (micrometer - level) by using a fluorescent probe called «Cesium Green,» which also enables intracellular imaging of cesium distribution.

In May Quinn and one of his students, Chris Somers, were finally able to pin the blame on airborne particles just a few micrometers in diameter.

The embassy has been using Twitter to publish average hourly readings of particulate matter that's less than 2.5 micrometers in diameter (PM2.5): fine particles from combustion and industrial emissions that penetrate deeply into the lungs and are linked to heart disease and other health problems.

«Pushing a micrometers - wide particle through the air with a laser might be prone to distortion, if not outright failure, when even the slightest breeze wafts by,» GORT wrote.

The detector attaches to a charged - particle microbeam and enables the delivery of radiation to an area less than 2 micrometers wide.

«The method [of detection] was to weigh the air filters,» Perera says, «and these captured only the bigger particles, not the ones down to one or two micrometers [about one - fiftieth the width of a human hair].

As a result, the EPA began to monitor and regulate particles as small as 10 micrometers, also called microns, in 1987, but did not get down to the level of 2.5 microns, as Perera had urged, until 1997, when standards were tightened.

Fine dust particles of a few micrometers in size may penetrate deep into the lungs.

This type of pollution refers to particles found in the air that are less than 2.5 micrometers in diameter, or 1 / 30th the average width of a human hair.

The ratio indicates that smaller, micrometer - sized, dust particles dominate and larger dust particles are absent in the most prominent gap with a radius of 22 astronomical units.

The simulated image at left shows how the smaller particle size in Venusian cloud tops (compared to a typical 10 to 40 micrometers in terrestrial ones) causes the colored fringes to spread further apart than they would appear on Earth.

PM2.5, or particles that are less than 2.5 micrometers in diameter, can be inhaled deeply into the lungs and cause serious health problems.

Infrared excess from dust particles at 70 micrometers in size was detected at around 5 AUs out from Zeta Doradus (Trilling et al, 2008; and Bryden et al, 2006, pp. 36 and 41 for HD 33262).

To make the particles, each between one and five micrometers in size, researchers filled the beehive structure of synthetic silicon dioxide with semiconductive silicon the same way a blacksmith would pour molten metal into a cast iron mold.

The researchers also observed communication over many micrometers from one gold particle to another, but not between gold and palladium particles.

* 1: Cosmic dust consists of small solid particles composed of silicon, carbon, iron and other elements about the size of 0.1 micrometer.

The other set of studies, led by Destaillats working with Berkeley Lab scientists Lara Gundel and Jennifer Logue, will look at the particulate matter in thirdhand smoke, or PM2.5, particles smaller than 2.5 micrometers in size.

The microcapsules had five or five and a half bilayers placed around a 4 - micrometer silica particle.

Cosmic dust is small solid particles consisted of silicon, carbon, iron and other elements with the size smaller than 1 micrometer.

However, the exact level of MRI contrast depends on precisely how the cells take up and store the iron particles on the micrometer scale, which can not be seen directly in the MRI images.

An element or compound is considered colloidal when the particles are sized between one nanometer and one micrometer, and the energy of the substance is predominantly governed by surface effects.

Ultrafine dust particles refers to dust which is about 2.5 micrometers in diameter, nearly a 30th the thickness of human hair.

Particles smaller than 10 micrometers (called PM 10) are small enough to enter the lungs, where they can cause respiratory problems.

It then combines with pollutants from combustion — mainly nitrogen oxides and sulfates from vehicles, power plants and industrial processes — to create tiny solid particles, or aerosols, no more than 2.5 micrometers across, about 1/30 the width of a human hair.

Aerosols - A collection of airborne solid or liquid particles, with a typical size between 0.01 and 10 micrometer (~ 0.00000039 and ~ 0.00039 inch) that reside in the atmosphere for at least several hours.

The key type of pollution driving the ban (no pun intended) is PM10 particles, which are each fewer than 10 micrometers in diameter.

Then there is particulate matter, especially the tiny particles with a diameter of less than 2.5 micrometers, which studies show can trigger asthma attacks.