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Molecular formula : MW : CAS :
nature : τ y< yield stress / SUB> fluid is greater than zero. The shear flows, when the shear stress below τ τ y, stationary and fluid with a certain stiffness; When the shear stress over ι y, fluid began to flow. For example, Binghamton (Bi ngham) body is a plastic fluid, the constitutive equation can be written as : where to shear rate; Η p plastic viscosity.
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