| 21. | Waviness is the measure of surface irregularities with a spacing greater than that of surface roughness.
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| 22. | Surface roughness commonly shortened to " roughness ", is a measure of the finely spaced surface irregularities.
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| 23. | Surface roughness, nano-bubbles at the surface, slip, and compressional waves can interfere with the measurement of viscosity.
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| 24. | The contact angles obtained for hydrophobic surfaces are directly related to surface roughnesses by the Wenzel equation.
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| 25. | Bowden and Tabor were the first to emphasize the importance of surface roughness for bodies in contact.
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| 26. | Some instruments use radar scatterometers to measure the surface roughness to account for this source of error.
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| 27. | By fine-tuning the surface roughness, it is possible to achieve a transition between both superhydrophobic and superhydrophilic regions.
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| 28. | For example, the surface roughness can be used to increase { h } in order to enhance turbulence.
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| 29. | Using SPA-LEED may for instance permit a quantitative determination of the surface roughness, terrace sizes or surface steps.
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| 30. | Which path is realized physically depends on the initial conditions such as initial disturbance amplitude and surface roughness.
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