The effect of Al content, direct current negative bias and post treatment on the friction coefficient of the films was studied.

在此基础上讨论铝含量、直流偏压及后期处理对薄膜摩擦系数的影响。

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Based on this model, we analyze the effects of the change of wave height, wave's incident Angle, bottom friction coefficient and topography on rip current, and some useful conclusions are reached.

在此基础上，进一步分析了波浪入射波高、入射角度、底摩阻及驼峰高度对裂流的影响，得出了一些有用的结论。

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The adding of the drag reduction agent can reduce the friction force of the current and increase the flow speed as well as increase the conveying distance.

引入减阻剂后，可降低湍流磨擦阻力，提高流速。增大输送距离和提高管道输送能力。

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There is no friction in cyberspace, except that caused by inefficiencies of its current infrastructure.

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That could lead to friction if BP runs out of money since there's no provision in current law for deciding whether to award money to injured shrimpers or injured shareholders, many of whom will be unsympathetic characters like banks and hedge funds.

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But smoother increases in marginal tax rates, as under current law, create less economic friction, and fewer deadweight losses, then those with a number of peaks and valleys.

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