试验结果证实了理论预测的有减阻作用的柔性壁构造特征。
These results confirmed the predicted characteristics of appropriate compliant surfaces.
实验结果表明，SAF水泥分散剂对油井水泥具有良好的分散减阻作用，是一种有发展前途的固井水泥浆添加剂。
The results showed that SAF has excellent dispersing effect on the well cement, and so it has a fine prospect.
从而得到结论，在平面-平面接触，乏油状态下，该种表面凹坑有一定减阻作用，且在某一深度的凹坑减阻效果最好。
So it indicates that the surface with this kind of concave can reduce friction under the condition of plane-plane contact, and if the concave on the surface has some special depth t...
结合室内模拟环道评价装置，测定聚合物的减阻性能，确定DDS作为外给电子体对聚合活性中心数量和分布的调变作用。
By determining drag reduction efficiency of polymer in a simulative loop evaluation apparatus, effects of DDS as external electron donor on number and distribution of active centers were confirmed.
厢式货车在公路运输中发挥着越来越大的作用，研究厢式货车的减阻节能问题具有重要的意义。
As more and more van body trucks are used in modern highway transportation, researches on reducing aerodynamic force and saving energy become more important.
对减阻率的分析表明，三种非光滑表面均能起到减小旋成体阻力的作用，总阻力最大减阻效果为5%左右。
The test results indicated that all 3 kinds of nonsmooth surfaces can reduce the drag of bodies of revolution, the maximal reduction rate is about 5%.
电磁力作用在后部对升力的提升比作用在前部好，而覆盖在前部的减阻效果比作用在后部的好。
The effect of lift enhancement with the Lorentz force acted on the tail is better than the front, and the drag reduction is better with the Lorentz force applied to the front.
电磁力作用在后部对升力的提升比作用在前部好，而覆盖在前部的减阻效果比作用在后部的好。
The effect of lift enhancement with the Lorentz force acted on the tail is better than the front, and the drag reduction is better with the Lorentz force applied to the front.
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