Exact(6)
Longer time of plasma treatment results in stronger adhesive attraction, leads to smaller friction.
The PEO coatings exhibited a much better wear resistance and a smaller friction coefficient than the uncoated AJ62 substrate.
Another study compared the friction among different brackets and smaller friction was found for the Damon passive system only when larger diameter wires were used [23].
The responsible reasons should be the smaller friction coefficient between the wheel-road than the heel-road interactions, different body gestures leading to different contact positions, forces and timing.
Compared to the coarse grain (CG) NiTi, the SMAT NiTi has smaller friction coefficients and improved wear resistance at applied loads from 5 to 15 N due to the grain refinement effect.
In areas with a very small or non-existent Coriolis force (e.g. near the Equator), the only significant atmospheric forces in play are the pressure gradient force (the pressure difference that causes winds to blow from high to low pressure ) and a smaller friction force; these two alone would not cause the large-scale rotation required for tropical cyclogenesis.
Similar(53)
An alternative possibility, that the active state possesses only one membrane-bound C1 domain (C1A or C1B) together with a membrane-bound pseudosubstrate peptide on the bilayer surface, cannot account for the observed large frictional drag of active PKCα given the small friction expected for a surface-bound peptide [>3-fold less friction than a C1 domain (see above and Figure 6C)].
Any small friction they resolve through sexual contact: a playful rub, oral sex, full intercourse.
For small friction angle, the failure surface tends to be planar.
If the sleeve surface is designed as the homogeneous slip surface, a low fluid load support together with a small friction drag can be obtained.
On the other hand, all other polymers and copolymers investigated behaved according to Kramer's theory but for small friction limits.
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