Gas Diffusion in Coal Powders is a Multi-rate Process
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DOI: 10.1007/s11242-019-01376-x
Abstract: Gas migration in coal is strongly controlled by surface diffusion of adsorbed gas within the coal matrix. Surface diffusion coefficients are obtained by inverse modelling of transient gas desorption data from powdered coals. The diffusion… read more here.
Keywords: diffusion; gas; rate process; coal ... See more keywords
Conductivity equations of protons transporting through 2D crystals obtained with the rate process theory and free volume concept
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DOI: 10.1016/j.cplett.2018.02.059
Abstract: Abstract The Eyring’s rate process theory and free volume concept are employed to treat protons (or other particles) transporting through a 2D (two dimensional) crystal like graphene and hexagonal boron nitride. The protons are assumed… read more here.
Keywords: theory free; free volume; rate; rate process ... See more keywords