Results 171 to 180 of about 180,408 (214)
The limits of fine particle flotation
Minerals Engineering, 2010 Understanding the limits of fine particle flotation is the key to the selective separation of fine mineral particles. Fine particles have low collision efficiencies with gas bubbles and float slowly.
John Ralston, Daniel Fornasiero
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Glassy Particles in Lunar Fines
Nature, 1970Most of the Apollo 11 glassy particles differ from those generated by terrestrial volcanism, by meteoritic impacts, or by the condensation of the parent bodies of meteorites. Some of the particles may have been formed by the action of solar flares on the lunar surface.
G, Mueller, G W, Hinsch
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Personal Exposure to Fine Particles in Children Correlates Closely with Ambient Fine Particles
Archives of Environmental Health: An International Journal, 1999To investigate the validity of ambient fine-particle concentrations as a measure of exposure in epidemiological time-series studies, we established the association between personal and ambient concentrations, within subjects, over time. We conducted repeated measurements of personal and ambient fine-particle concentrations in 13 children who lived in ...
Janssen, N.A.H. +3 more
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Apparent particle density of a fine particle
Powder Technology, 1988Abstract The electrodynamic balance is used to measure the apparent density of individual synthetic char particles known as ‘Spherocarbs’. A distribution in apparent density measurements seems to correlate with the existence of large cavities inside some of the ‘Spherocarb’ particles.
M. D'Amore +3 more
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Behavior of fine particles in a spouted bed consisting of fine and coarse particles
The Canadian Journal of Chemical Engineering, 1983AbstractThe elutriation of fines from a spouted bed of fine and coarse particles has been studied. Equations for correlating elutriation rate coefficients are proposed. Three different regions associated with particle behavior have been identified in a way to permit calculation of elutriation rate at any column height. Measurements of cross‐sectionally
T. Ishikura, H. Shinohara, I. Tanaka
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The Remanent State Of Fine Particles
[1993] Digests of International Magnetics Conference, 1993Computations of the structure and energy of the magnetization configurations in very small particles have reached the limit of validity of the basic assumptions used in this theory, and the analytic models which have been published so far are not more reliable, for anything but ellipsoids. A review of all the theoretical studies leads to the conclusion
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