Results 211 to 220 of about 388,808 (259)

Particle Size Distribution

1994
The objectives of this test are: 1. Measure the distribution of sizes of particles in a ceramic raw material from its largest size DL ≈ 6700 lim (6.7 mm) to its smallest size D, ≈ 0.010 \μm. Unfortunately there is no single apparatus which is capable of measuring this range of sizes, common in the classical ceramic industry. Consequently, it may
James E. Funk, Dennis R. Dinger
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Diesel Particle Size Distribution: The Conversion Of Particle Number Size Distribution To Mass Distribution

SAE Technical Paper Series, 2001
<div class="htmlview paragraph">The ELPI particle size instrument measures the number of particles in 12 size ranges using a series of impaction stages. To convert the measurement of number to mass, the instrument assumes that all the particles are spheres and are of a constant density, defined by the user, but normally around 1000kg/m<sup> ...
G. E. Andrews, A. G. Clarke, N. Y. Rojas, T. Sale, D. Gregory   +4 more
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Particle Size and Size Distribution

2015
Abstract Particle size and size distribution have a significant effect on the behavior of metal powders during their processing. This article provides an overview of the sample preparation process for particle size measurement, which is a key step in the measurement of particle size distributions.
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The distribution of particle sizes

Journal of the Franklin Institute, 1950
Abstract In this paper the older literature on distribution of particle sizes is reviewed critically. The distribution law should be connected with the law of growth of crystals, for which is chosen the exponential law as Galton indicated long ago in an analogous case. The law which then follows is the so-called Logarithmico-Normal law.
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Particle Size and Distribution

2018
Particle size distribution, the measure of subdivision of a solid, can be directly correlated with uniformity of quality and performance. Primary particle size is a physicochemical property that may impact temporal chemical and physical effects such as stability and aggregation.
Anthony J. Hickey, Stefano Giovagnoli
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Size Distribution of Tobacco Smoke Particles

Nature, 1959
TOBACCO smoke from ordinary untipped proprietary branded cigarettes was collected directly on to various support films used in electron microscopy. ‘Formvar’ films were found to be most satisfactory in terms of particle resolution and film strength; with carbon, for example, the particles appeared to flow into one another more readily.
E, HARRIS, H F, KAY
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Technegas and Pertechnegas particle size distribution

European Journal of Nuclear Medicine, 1995
Technegas and Pertechnegas are radioactive aerosols produced in a commercial generator and used for lung scintigraphy. The aerosols are produced by first evaporating to dryness standard technetium-99m generator eluate (99mTcO4 in normal saline) in a graphite crucible (the simmer stage) and then heating this to 2500 degrees C (the "burn" stage). The aim
Lloyd, J. J., Shields, R. A., Taylor, C. J.; id_orcid 0000-0001-7867-9533, Lawson, R. S., James, J. M., Testra, H. J.   +5 more
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Particle Size Distribution

2017
In this chapter, a state of the art of Particle Size Distribution (PSD) measurement of bio-based aggregates and characterization methods is presented. Shiv particles coming from the stem of plants cultivated either for their fibers (hemp, flax, etc.) or for their seeds (oleaginous flax, sunflower, etc.) are very different from the mineral aggregates ...
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Size distribution of atmospheric giant particles

Atmospheric Environment (1967), 1971
Abstract The size distribution of atmospheric giant particles in the range 5–100 μm radius was measured at three locations in Washington State using a rotary inertial impactor. The size distribution was continuous at the different locations. A significant change in the slope of the dN dlog r vs.
K E, Noll, M J, Pilat
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Particle Size Distribution of Settled Dust

Journal of the Air Pollution Control Association, 1965
In 1958, San Bernardino County Air Pollution Control District adopted rules and regulations for the control of dust, fumes and particulate matter. These were taken from ordinances which had been effectively used in other areas. After three years, experience showed that in some instances these rules and regulations should be modified to take into ...
J H, FAIRWEATHER, A F, SIDLOW, W L, FAITH   +2 more
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