Now showing items 1-7 of 7
On the dynamic structure factor, S(q,[omega]), of polymers in dilute solution
(Elsevier, 1981-08)
In principle, interpretation of dynamic scattering experiments requires theoretical calculation of either intermediate scattering functions S(q,t) or dynamic structure factors S(q,[omega]). Although dynamic scattering ...
Performance characteristics of the high power density, flux-conserving Tokamak (FCT) reactor,
(Elsevier, 1979-04)
Most of the fusion Experimental Power Reactor (EPR) and commercial power reactor designs have been limited to low-[beta] (ratio of plasma pressure to magnetic field pressure), low power density Tokamak systems. In an effort ...
Interpretation of dynamic scattering experiments on ternary polymer mixtures
(Elsevier, 1992)
The dynamics of a ternary polymer mixture consisting of either homopolymers A and B, or diblock copolymers A-B, in a matrix of homopolymers C, is studied using the random phase approximation and assuming incompressibility. ...
Interpretation of dynamic scattering from polymer solutions
(Elsevier, 1980-08)
The theoretical results available for the interpretation of the dynamic scattering from polymer solutions have been re-examined. The scattering law S(q, t) is formulated using the eigenfunction expansion method and the ...
Multiple scattering in small-angle neutron scattering measurements on polymers
(Elsevier, 1983-02)
Multiple scattering corrections in small-angle neutron scattering experiments on polymers have been examined. Numerical calculations show that, for typical experimental conditions, the second-order scattering is less than ...
Concentration dependence of diffusion coefficient at various molecular weights and temperatures
(Elsevier, 1981-09)
The effect of temperature on the concentration dependence of the diffusion coefficient D(c) is investigated experimentally by light scattering using polystyrene with Mw = 179 000 and 900 000 in toluene and cyclohexane at ...
Temperature and concentration dependence of diffusion coefficient in dilute solutions
(Elsevier, 1981-09)
Temperature and molecular weight dependence of kD in D(C) = D(O) [1 + CkD], where D(C) is the diffusion coefficient for the density fluctuations in a dilute polymer solution, is investigated by first expressing D(C) as a ...