Sentence examples for sizes of dust from inspiring English sources
"As the results came in, the numbers and sizes of dust grains were not what we'd expected, and many seemed to have come from strange directions," he added.
A poster that hangs on a wall outside the room goes a long way toward explaining the rigorous attention to sterility It depicts various sources and sizes of dust particles: For example, every minute, a cotton jogging suit that is stationary gives off 40 particles with a diameter of more than 5 microns; the same suit in motion stirs up 818.
Concerning the sizes of dust grains in the bright feature, we find that in 2003, particles with radii between about 10 μm and 1 cm contribute nearly equally to the total intensity.
That vehicle carries Dr. Simpson's Dust Flux Monitor Instrument, intended to measure the size of dust particles and map their distribution around the comet's nucleus.
A floating network of silicon sensors the size of dust particles would monitor the temperature, pressure, moisture of the surrounding air, or even movements on the ground.Science fiction?
Such wireless sensors the size of dust particles would float, like swarms of gnats, across enemy territory, reporting back on any movement detected on the ground.At present, the smallest fans to do the job have blades one centimetre long.
Now, we can obtain the size of dust grains that are able to keep spinning.
However, it is expected that the size of dust grains in comets exceed this upper limit of one hundred microns.
The degree of efficiency deterioration depends on the specific mass and size of dust particles deposition on PV module surface.
Ṁdust=4x106 g s-1 is estimated for smax = 20μm, which we adopt because the maximum size of dust particles produced by the erosion of impact with interstellar dust is of the order of 10 μm (Yamamoto and Mukai, 1998).
Taking into account the material density of cometary dust being 0.3 3 g/cm3 (e.g., Hörz et al., 2006), one can see that the size of dust particles spans five orders of magnitude from 10−2 to 10−2 µm.
