The value of additional coefficient of raft roughness is established through the comparative analysis of raft prototype resistance measurement on the spot and relevant model experiment.
通过木排原型阻力的现场测试与相应的模型试验分析对比，确定了木排粗糙度附加系数的数值。
Since if the frictional resistance coefficient is a function of relative roughness, then the form resistance coefficient is independent of the Reynolds number.
若流线型物体表面的摩擦阻力系数仅为相对粗糙度的函数，则形状阻力系数与雷诺数无关。
From the wear resistance of non-regrind cutters and the roughness of processed surfaces, some tests and analysis are done.
从不重磨车刀的使用寿命、加工表面粗糙度等方面，来展开试验分析研究。
Aiming at the technology demand of advanced copper interconnection, the effect of pulse current density on cu layer properties such as resistance, crystal size and surface roughness were investigated.
针对先进纳米铜互连技术的要求，研究了脉冲电流密度对铜互连线电阻率、晶粒尺寸和表面粗糙度等性能的影响。
It is proved that mirror EDM with mixed dielectric powders can not only decrease the surface roughness, but also improve the surface abradability, corrosion-resistance and micro - hardness.
研究结果表明，混粉电火花镜面加工不但能够显著降低加工表面粗糙度值，而且能够提高加工表面的耐磨性、耐蚀性和表层显微硬度。
The surface condition (roughness) of corrosion test sample has a pronounced influence on the pitting resistance of the base metal.
腐蚀试样的表面状态（粗糙程度）对母材金属的耐点蚀性能有明显的影响。
A new model of thermal contact resistance based on the statistic characteristic of roughness profile is proposed in this paper.
本文在对粗糙度曲线统计特征分析的基础上，提出了一种接触热阻的计算模型。
Aerodynamic roughness length is a important feature to easement soil resistance to wind erosion.
耕作土壤表面空气动力学粗糙度是评价土壤可蚀性的重要指标。
Compared with the existing coating material, the film of the coating material simultaneously has the advantages of smaller surface roughness, higher hardness and better wearing resistance.
与现有的镀膜材料相比，本发明提供的镀膜材料的薄膜同时具有较小的表面粗糙度、较高的硬度和较好的耐磨性。
The quality requirements of glass beads in mechanical plating were analyzed, including circle forming ratio, surface roughness and wear resistance.
分析了机械镀锌工艺对玻璃珠冲击介质的质量要求，包括成圆率、表面光洁度和耐磨性能；
Grain shape and surface roughness are indicated to codetermine the abrasion resistance of the film. Further, the ar film with triangular grain and moderate roughness shows good abrasion resistance.
分析得到了粗糙度与耐磨性关系曲线，结果表明三角形晶粒以及适中的粗糙度能有效的提高薄膜耐磨性。
This is related not only to the wearability, the surface roughness and the oxidation resistance of coating but also to the hardness, the toughness and the bending strength of carbide alloy A.
这既与涂层的耐磨性、表面粗糙度和抗氧化性能有关，也与硬质合金A的硬度、韧性和抗弯强度有关。
The surface roughness directly influences the conformity, wear resistance, corrosion resistance, working accuracy of the machine, and the reliability of the instrument and its service life.
表面粗糙度与机械零件的配合性质、耐磨性、工作精度、抗腐蚀性有着密切的关系，它影响到机器或仪器的可靠性和使用寿命。
The surface roughness directly influences the conformity, wear resistance, corrosion resistance, working accuracy of the machine, and the reliability of the instrument and its service life.
表面粗糙度与机械零件的配合性质、耐磨性、工作精度、抗腐蚀性有着密切的关系，它影响到机器或仪器的可靠性和使用寿命。
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