A chronosequence in the Rouge River Basin of south-central Ontario, were studied to investigate methods for describing the particle size distributions and to determine whether there are significant differences in the distributions for soil sola of different ages. These soils, forming in alluvium of ...
The effect of impact on the lunar surface is much larger than that on Itokawa, even with a single impact event, owing to the larger energetic scale of impact on the Moon. As this provides intense mechanical abrasion by impact-induced particle motion, the regolith particles become spherical from...
Fly-ash mobility increased with increasing sand particle sizes, e.g. pore sizes. Particle sizes and pore water velocity influenced the attachment coefficient, which was calculated assuming filtration theory. The same longitudinal dispersivity, sticking efficiency and detachment coefficient sufficiently ...
Therefore, the objectives of this study are: (1) to compare the effects of different passivators on the stabilization of exogenous-Pb contaminated soil; (2) to analyze the influence of different passivators on Pb enrichment and form partitioning in soil with different particle sizes; (3) to ...
(pore voxels and particle voxels) in the cylindrical volume. The specific surface area (S0) is defined as the area of the total pore boundary divided by the volume of the soil skeleton. In the meanwhile, the connected pores and isolated pores can be distinguished, and the voxel number of ...
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For comparison, 2D uniaxial and biaxial models were built using similar element sizes and loading rates as the 3D models (Fig. 15). Unlike the 3D models, the 2D models showed a perfectly linear elastic mechanical response up until yielding, followed by a sudden drop in the post-peak stress...
Figure3A–E show the linear plots of intraparticle diffusion, liquid diffusion, external diffusion, Bangham and Boyd models. Adequate understanding of the adsorption mechanism is enhanced by the determination of the rate-controlling/determining step. The three definite steps that could be used to des...
Polytetrafluoroethylene (PTFE) powder with particle sizes of 1 μm (Sigma-Aldrich, product number 430935) was prepared inside a 6-well plate. A micropipette was then used to dispense 5 µL of 0.5% agarose on the hydrophobic powder bed. The droplet was gently shaken in a circular motion...