Results 21 to 30 of about 1,453,911 (292)
New method for comparing of particle-size distribution curves [PDF]
Archives of Civil Engineering, 2022 The article discusses a new mathematical method for comparing the consistency of two particle size distribution curves. The proposed method was based on the concept of the distance between two graining curves.
Leszek Opyrchał +2 more
doaj +1 more source
Cleaner Materials, 2021 This paper investigates the direct transformation of laterites (natural iron-rich aluminosilicates) to cementitious composites with principal mineral phases being Gismondine and Stratlingite. The effects of particles size distribution and cement content (
Van Essa L.K. Samen +6 more
doaj +1 more source
On the micro mechanics of one-dimensional normal compression [PDF]
, 2015 Discrete-element modelling has been used to investigate the micro mechanics of one-dimensional compression. One-dimensional compression is modelled in three dimensions using an oedometer and a large number of particles, and without the use of ...
Ashby M. F. +6 more
core +2 more sources
Isolation of Cellulose Nanofibers from Oryza sativa Residues via TEMPO Mediated Oxidation
Journal of Natural Fibers, 2022 Cellulose nanocrystals (CNCs) or cellulose nanofibers (CNFs) with different morphologies, chemical, mechanical and physical properties can be obtained when microcrystalline cellulose is subjected to enzymatic, chemical or mechanical treatment.
Edwin S. Madivoli +5 more
doaj +1 more source
Using ultra-short pulses to determine particle size and density distributions [PDF]
, 2007 We analyze the time dependent response of strongly scattering media (SSM) to ultra-short pulses of light. A random walk technique is used to model the optical scattering of ultra-short pulses of light propagating through media with random shapes and ...
Boller, Klaus. -J. +2 more
core +3 more sources
Moment Dynamics of Zirconia Particle Formation for Optimizing Particle Size Distribution
Nanomaterials, 2019 We study the particle formation process of Zirconia ( ZrO 2 )-based material. With a model-based description of the particle formation process we aim for identifying the main growth mechanisms for different process parameters.
Wolfgang Halter +4 more
doaj +1 more source
Unfolding Particle Size Distributions [PDF]
Technometrics, 1967 This paper treats the unfolding problem of estimating the density distribution of particles dispersed in a three-dimensional specimen. A general framework is set in terms of a probabilistic model for the distribution of a discrete number of particle sizes with prescribed shapes which are sampled and observed by processes capable of being modeled.
W. L. Nicholson, K. R. Merckx
openaire +3 more sources
Applied Sciences, 2018 To disclose the fractal transformation mechanism of the size distribution of rare earth tailing particles, this paper utilizes the side confined uniaxial compression test to study the evolution rule of the particle size distribution of the rare earth ...
Wen Zhong, Fucai Yue, Armando Ciancio
doaj +1 more source
Estimating the size of the cosmic-ray halo using particle distribution moments [PDF]
, 2009 Context: Particle transport in many astrophysical problems can be described either by the Fokker–Planck equation or by an equivalent system of stochastic differential equations.
Bulanov +15 more
core +2 more sources
Varying particle size selectivity of soil erosion along a cultivated catena
Open Geosciences, 2023 Sheet erosion is a complex multi-factor-dependent process with high spatial heterogeneity on hillslopes. Although the individual factors have been well studied, their aggregated effect on size-selective erosional processes is highly uncertain. Therefore,
Szabó Judit Alexandra +6 more
doaj +1 more source