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Estimate of confidence intervals for geometric mean diameter and geometric standard deviation of lognormal size distribution

Powder Technology, 2009
Confidence of particle size distribution, which is the size distribution of sample particles selected from a large population with lognormal size distribution, has been studied theoretically. Theoretical equations were derived from the basic formulas commonly used in statistics to estimate confidence intervals for geometric mean diameter and geometric ...
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Diameter Estimate in Geometric Flows [PDF]

Mathematics, 2023
We prove the upper and lower bounds of the diameter of a compact manifold (M,g(t)) with dimRM=n(n≥3) and a family of Riemannian metrics g(t) satisfying some geometric flows. Except for Ricci flow, these flows include List–Ricci flow, harmonic-Ricci flow,
Shouwen Fang, Tao Zheng, Fang Shouwen
exaly +2 more sources

Aggregate size distribution and geometric mean diameter affected by polymers PVA PAM and humic acid applications under wetting drying processes [PDF]

, 2010
Wetting/drying (WD) processes affect on soil structural and hydraulic properties. The objective of this study was to determine effects of organic polymers (polyvinylalcohol-PVA and polyacrylamide-PAM) and humic acid (HA) on aggregate size distribution ...
TURGUT, BÜLENT +2 more
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367. Development of an Optical-Microscopy Method for Length-Weighted Geometric Mean Diameter Determination of Synthetic Vitreous Fibers