Results 241 to 250 of about 75,364 (297)

Modeling of sand-cultivated substrate for Gobi facility agriculture and validation of trenching test. [PDF]

Sci Rep
Song Y, Xu J, Zhang S, Xing J, Wang L, Wang X, Hu C, Li W.   +7 more
europepmc   +1 more source

Innovative Galenic Formulation of Prussian Blue Tablets: Advancing Pharmaceutical Applications. [PDF]

Pharmaceuticals (Basel)
Martínez-Alonso B, Torrado Durán G, Torres Pabón NS, Peña Fernández MÁ.   +3 more
europepmc   +1 more source

A Simplified Calibration Procedure for DEM Simulations of Granular Material Flow. [PDF]

Materials (Basel)
Hajivand Dastgerdi R, Malinowska AA.
europepmc   +1 more source

Microencapsulation of <i>Camellia oleifera</i> Seed Oil Emulsion By-Products: Structural Characterization and Lipidomics Analysis. [PDF]

Foods
Wu X, Chang Y, Song M, Hou J, Feng H.
europepmc   +1 more source

Study on the Morphological Distribution and Modeling Methods of River Particles in Upstream and Downstream Sections. [PDF]

Materials (Basel)
Hu Z, Zhang J, Tan X, Yang H.
europepmc   +1 more source

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Relaxation at the Angle of Repose

Physical Review Letters, 1989
We have investigated the distribution of avalanches which occur when the slope of a sandpile exceeds the metastable slope given by the angle of repose. In contradiction to recent models by Bak, Tang, and Wiesenfeld for the dynamics of granular systems, we do not observe power-law distributions. We also find that the slope of a sandpile decays as $log(t)
, Jaeger, , Liu, , Nagel
openaire   +2 more sources

Angles of repose that exceed modern angles

Geology, 1990
Angles of repose for naturally occurring materials are known to be a function of, among other geologic parameters, the acceleration of gravity and cohesion between particles. Thus, steeper angles may have been recorded in ancient sediments because Earth9s acceleration of gravity was less than now.
C. John Mann, Sherman P. Kanagy II
openaire   +1 more source

Geometric effect of angle of repose revisited

Granular Matter, 2014
We report on a universal pattern observed in the collapse dynamics of a sand heap. Collapse dynamics of a three-dimensional sand heap were studied through experiments and numerical simulations. A phenomenological law that describes the shape of a collapsed sand heap was found, we call this the geometric constitutive law of friction.
Miki Y. Matsuo, Daisuke Nishiura, Hide Sakaguchi   +2 more
openaire   +1 more source

Flow Rates and Repose Angles of Wet-Processed Granulations

Journal of Pharmaceutical Sciences, 1977
The equation of McDougall and Evans was found not to apply to granulations. The functional relationships among volumetric powder flow rates, angles of repose, and particle size were demonstrated to exhibit maxima (rather than minima) in five common pharmaceutical granulations produced by wet processing.
J T, Carstensen, P C, Chan
openaire   +2 more sources

Measurement of the Repose Angle of aTablet Granulation*

Journal of the American Pharmaceutical Association (Scientific ed.), 1955
In order to study the problem of granulation flow in tableting as it is related to interparticle friction, the response angle of a sulfathiazole granulation was studied as a function of average particle size, presence of lubricants, and admixture of fines.In general, the repose angle increased with decreasing particle size.Talc added to granules in ...
openaire   +2 more sources