Hydraulic fracturing is a crucial method for the exploitation of tight gas reservoirs. The matrix permeability is a key factor influencing the fracturing result. This paper assumes that the matrix ...

Diffusion is the net movement of molecules from an area where they are at a higher concentration to areas where they are at a lower concentration. This is due to the random movement of the molecules.

This is a preview. Log in through your library . Abstract Analyses have been made, with respect to the principal inorganic constituents, of the blood and urine of Carcinus, when living in normal sea ...