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References in periodicals archive ?
To investigate the effect of particle size on deposition under attractive double layer interactions, the particle mass transport equation was formulated incorporating van der Waals, electrical and hydrodynamic interactions and was solved numerically (Elimelech, 1991, 1994; Elimelech et al.
Just as with every other approximate law, so also the rule of van der Waals provided a new stimulus for measuring investigations.
The basic interactions that compete in the phenomenon of colloidal stability are the short-range, van der Waals attraction, and long-range electrostatic repulsion.
En diciembre de este ano 2010, se cumplen cien anos desde que Johannes Diderick van der Waals recibiera el Premio Nobel de Fisica, en reconocimiento a sus pioneros estudios sobre la fisica de liquidos y gases (Nobel.
Organic semiconductors differ from more conventional kinds by being held together by van der Waals forces rather than covalent bonds, and so have narrow electronic bandwidths, and charge carriers that are localized and have smaller mobilities.
Se considerarmos os raios de van der Waals de 1,2 [Angstrom] e 1,7 [Angstrom] para os atomos de hidrogenio e carbono, temos que a soma de 2,9 [Angstrom] para estes raios pode ser utilizada com criterio estrutural para analisarmos as distancias [EXPRESION MATEMATICA IRREPRODUCIBLE EN ASCII].
As the PPs are in a perpetual state of ZP agitation about their average "r" positions, however, there is a residual, random van der Waals force that the two PPs, and hence the PV as a whole, exert on the free mass.
There is abundant evidence that van der Waals force can draw particles together progressively more around the perimeters of interpartical contacts, but their role in compaction remains unanswered.
According to the DLVO model proposed by Derjaguin and Landau (1941) and Verwey and Overbeek (1948), the net interaction between two surfaces/interfaces in a liquid medium is the arithmetic sum of van der Waals and electrostatic (electric double layer) forces.
The material mimics the pads on the bottoms of gecko feet, from which microscopic hairs protrude; as the pad touches a surface, the hairs employ Van Der Waals forces to create a large, but reversible bond.
Bound together by Van der Waals forces, CNTs like to aggregate, a bad quality for developers who want to distribute them in a composite or take advantage of the electrical properties of long nanotubes.