You calculate Q by dividing the pressure drop across the channel ΔP by the polymer viscosity η, similar to the original equation for shear stress τ. This specific examples gives you another method of comparing shear rate vs. viscosity, and, through these methods...
To calculate the degradation index (DI) from the intrinsic viscosity changes, a simple and accurate enough equation has been proposed: DI = {([η]) 0 /[η]) 1/ a 1}/(0.57 × P w 0 0.14), with P w 0 being the initial polydispersity index: P w 0 = M w 0 / M n 0 . The...
A new compact, stand-alone testing instrument is said to determine the intrinsic viscosity (IV) of PET resins while avoiding both the costs and the environmental hazards of handling and disposing of toxic solvents. Tester measures IV of PET More results ► Acronyms browser ? ▲ INTOR INTOSAI ...
Learn to define cardiac output and how to calculate cardiac output. Learn the normal range and average values of cardiac output. Related to this Question What are the two primary factors that determine cardiac output? Define cardiac output and the majo...
A few German mathematicians named Richard Courant, Kurt Friedrichs, and Hans Lewy derived a stability condition for explicit time-marching solutions for partial differential equations in their original paper titled On the partial differential equations o
Calculate the solution to x + 9 x = ? ( t ? 1 ) x ( 0 ) = 0 , ? x ( 0 ) = 3 Derive the mathematical model of the liquid height h . The mass inflow rate is q i n . The resistance ( R ) is linear. Using the ideal-gas equation of state, ver...
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To quantify the extent of this degeneracy, we measure the “prospective potency” of a direction by the integrated squared error in output torques induced during movement by a fixed-sized perturbation of the initial condition along that direction. We can then calculate a full basis of orthogonal ...
Titan’s OG Series flow meters are designed to give reliable, high performance across a wide range of applications. Almost immune from the effects of varying liquid viscosity, density and temperature, the measurement performance of oval gear flowmeters improves as liquid vi...
The synthesized benzoxazine was loaded with various amounts of hydrophilic PEG molecules to modify the resin framework, give the resin its intrinsic characteristics and improve anti-biofouling performance. Curcumin has several inherent properties; moreover, the two phenolic hydroxyl groups characterizing ...