Physical Parameters Affecting Particle


Matrix Porosity

Particle size for which 10% of the matrix is smaller than that size Particle size for which 60% of the matrix is smaller than that size Bulk density

Specific surface area Grain shapes

Surface roughness of grains Pore-diameter size and size distribution Surface charge of grains




Velocity of flow Pressure

Suspended Particles

Concentration (inflow, within medium, outflow)



Electric charge

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DIY Battery Repair

DIY Battery Repair

You can now recondition your old batteries at home and bring them back to 100 percent of their working condition. This guide will enable you to revive All NiCd batteries regardless of brand and battery volt. It will give you the required information on how to re-energize and revive your NiCd batteries through the RVD process, charging method and charging guidelines.

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