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文献和实验of a given particle, then the time needed to completely sediement a particle can be determined by the formula: T = ((D-L)/(D+L))*(N/(d (g-p)S )) where T = time in minutes D = radial distance in cm for r L = radial distance to meniscus N
T = ((D-L)/(D+L))*(N/(d (g-p)S )) where T = time in minutes D = radial distance in cm for r L = radial distance to meniscus N = viscosity of the fluid medium g = density of the fluid medium p = density of the particle to sediment d
of the apparatus used. Figure F.2 presents a Nomogram for calculation of R.C.F. for a given radius and RPM. A simple formula for calculating this value is: RCF = 1.12r (RPM/1000)where r = radius in millimetersRPM = revolutions per minute The difficulty
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