Experimental study has been thoroughly performed for affecting mechanism using drag reducing agents in multiphase pipelines.

在实验的基础上，对降阻剂在多相管流中的作用机理进行深入的研究。

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The correlation between the axial and transverse speed pulsation of the drag reducing fluid has been conspicuously suppressed.

减阻流体的轴向和横向速度脉动之间的关联被明显抑制。

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The effect of molecular weight, molecular weight distribution, molecular structure of the polymer and behavior of the crude oil on drag reducing efficiency are represented.

本文讨论了减阻剂聚合物的分子量、分子量分布、分子结构以及不同物性的原油对减阻率的影响。

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The upper flashing lights are integrated into the roof panel, eliminating the need for a bolted-on light bar that causes aerodynamic drag -- reducing fuel economy -- and can lead to rust.

CNN: Cops help dream up high-tech police car

The headlights split and redirect airflow away from the door mirrors, reducing wind noise and drag.

ENGADGET: Nissan starts US production of 2013 Leaf, vows faster charging and a lower entry price

The company said it would be focussing on the design and manufacturing processes needed to produce a next generation composite wing, with the emphasis on reducing weight and aerodynamic drag.

BBC: Bombardier in ?9m wing investment