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To calculate penetration (or deposition) of particles due to diffusion to walls during passage throughout thin channels (r 0 L where r 0 - tube radius and L - tube length) it has been proposed a lot of different approaches (Gormley and Kennedy, 1949; Tan, 1969). All these expressions are corrected for steady state conditions when flow velocity is time independent. Any real process...
The perpendicular forces acting on Pt adatoms from Pt(100) surfaces are presented using the embedded-atom method. The force maps are classified into four force regions. When the adatom is very close to the surface the force is repulsive (region 1). The most repulsive forces represent the corresponding first layer atoms. Contrary to these true atomic images, when the adatom is near the surface and...
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