Sentences with phrase «micrometers in»

PM2.5 stands for Particulate Matter less than 2.5 micrometers in size.
The key type of pollution driving the ban (no pun intended) is PM10 particles, which are each fewer than 10 micrometers in diameter.
The M90 features «a cutting - edge triple filter technology» that is said to protect its wearers from a variety of factors in the air, ranging from industrial air pollution (such as particulate matter, or PM, ranging from 0.3 to 2.5 micrometers in size) to pollen, bacteria, and other airborne substances.
However, past studies of such Arctic mixed - phase clouds have been unable to explain the measured abundance of ice crystals larger than 100 micrometers in maximum dimension (the size range where measurements are available), given observed environmental conditions and the measured concentrations of ice nuclei that could be entrained into the observed shallow cloud layers from aloft.
Lots of the energy is absorbed in a layer 1 - 10 micrometers in thickness — 1000 - 10000 molecules thick — at the very surface, where it causes the water to evaporate rather than heating the bulk.
Ultrafine dust particles refers to dust which is about 2.5 micrometers in diameter, nearly a 30th the thickness of human hair.
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.
But if you wait for the sunset, the sun looks red because the blue and ultraviolet light is scattered away by tiny particles.The new study suggests the objects causing the long - period dimming of Tabby's Star can be no more than a few micrometers in diameter (about one ten - thousandth of an inch).
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.
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).
The team «wrote» on the membranes with an AFM probe in water to create a series of peptoid - free linear gaps tens of nanometers in width and several nanometers to micrometers in length.
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.
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.
The position of the concentric rings indicates that the droplets are 1.2 micrometers in diameter, and the relative brightness of different rings indicates that the refractive index of the droplet fluid exceeds that of sulphuric acid, according to Markiewicz's team.
Of 989 samples, he found five with holes and 17 with an extremely thin bone (less than 100 micrometers thick, compared to about 1500 micrometers in normal ears).
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 yellow stripe is about four micrometers in diameter.
Fine dust particles of a few micrometers in size may penetrate deep into the lungs.
The cell nucleus with a faint blue periphery is 18 x 22 micrometers in size.
The cell is approximately 2 micrometers in length, and the lighter - colored structures contained inside of it are individual gas vesicles.
The first one mimicked the micro-scale features of soil, consisting of 85 chambers, each 100x100x15 micrometers in size, linked by a narrow channel.
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.
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.
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.
NIST's artificial synapse — a squat metallic cylinder 10 micrometers in diameter — is like the real thing because it can process incoming electrical spikes to customize spiking output signals.
Instead of gravel, Li uses polyvinyl alcohol fibers and extremely fine (100 micrometers in diameter) silica sand.
«We tested the method on microalgae as an example of large cells, around 100 micrometers in size, and achieved 95.8 % purity, 90.8 % viability, and a 92.8 % success rate,» corresponding co-author Yusuke Kasai says.
Geosmin was so repellent to this species that the larvae not only suppressed their diving behavior but escaped the vivarium by squeezing through shallow air channels only 200 micrometers in diameter.
That's the lesson one researcher is taking away from a microscopic analysis of the fairy wasp (Megaphragma mymaripenne), which at a mere 200 micrometers in length is one of the world's smallest animals (shown compared to a paramecium and amoeba above).
By engravings using electron beam lithography, the waveguides of several micrometers in length are provided with finest cavities of a few nanometers in size.
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 spore is approximately 10 micrometers in width.
The nanorods range in size from a few hundred nanometers to a few micrometers in length, and a few tens of nanometers in diameter.
«We used magnetic beads of 3 micrometers in diameter to pull down the exosomes in plasma samples,» Zeng said.
Some of these vesicles were as large as 50 micrometers in diameter.
Hammer and colleagues Dennis Discher and Frank Bates attempted to scale up this process to make vesicles more than 10 micrometers in diameter — the size of human cells.
Stereocilia are extremely small, less than a half a micrometer in diameter, which is about the wavelength of a visible light.
That dimming is best explained by dust particles less than a micrometer in size, Boyajian says.
The spores measure around 2 micrometer in length.
As novel light sources, carbon nanotubes of about 1 micrometer in length and 1 nanometer in diameter are positioned on metal contacts in transverse direction to the waveguide.
The new facility should be able to produce millions of devices a year, he says, with shapes as small as a micrometer in size — 10 times larger than circuits in silicon microchips.
The electrodes are separated by a gap of about one tenth of a micrometer in width.
Less than a micrometer in diameter, it's the most abundant photosynthetic organism on Earth, taking up carbon dioxide and releasing oxygen.
Although their work remains a milestone in successfully reproducing the intricate shapes, the method assumed that only neighboring clumps of material, about a micrometer in length, interacted — neglecting processes that occur over a continuum of distance scales.
Fit and finish, already a Honda strong point, gets even better, with flush fits and minuscule panel gaps that would have any engineer whipping out a micrometer in envy.

Not exact matches

Using penumbral imaging to measure micrometer size plasma hot spots in Gbar equation of state experiments on the National Ignition Facility
Successively printing about 1,500 layers, each 50 micrometers thick and deposited in a few seconds, the production - scale printer can build up a 500 - cubic - inch part in an hour.
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.
Working at the National Ignition Facility, Smith and his colleagues aimed 176 lasers at a pellet of iron a few micrometers thick wrapped in a gold cylinder.
The spectrometer will measure the corona in infrared wavelengths between 1 and 6 micrometers — the first time it has been measured fully in this range.
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