片语

polymeric drag-reduction additive高聚物减阻材料

drag-reduction testing减阻测试

drag-reduction parameter减阻参数

Drag-reduction agent降阻剂

polymeric drag-reduction additives高分子减阻剂

drag-reduction characteristics减阻特性

vibration drag-reduction振动减阻

drag-reduction surface减阻表面

英汉例句

• The researches of drag reduction by grooved surface in water are mostly concentrated in experimentations recently, and researches in theory and numerical calculation are lacked.

  近年来对于水下条纹沟槽表面减阻的研究多集中在试验方面，理论分析和数值计算进行的却不多。

• The principle on viscosity drag reduction or magnetic fluid is discussed.

  论述了磁性液体粘性减阻技术的原理。

• The mechanism and methods of viscosity drag reduction are briefly discussed. Some of its applications for saving energy and materials, improving efficiency or reducing noise and vibration are given.

  本文综述了几种粘性减阻方法及其减阻的机理，联系了其在水相、油相中节约能源、材料，提高速度和效率等方面的应用。

• 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.

  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。

• Abstr: Bionic surface drag reduction is a very promising drag reduction way at all drag reduction techniques.

  文章摘要：仿生表面减阻是众多减阻方法中非常有前景的减阻方式。

• Working area for drag reduction agents (dra) is in turbulence area, and it can reduce resistance as well as increase transportation effectively.

  减阻剂的作用区域在流体的湍流区，它能有效的降低流体阻力增加流量。

• The drag reduction of the notchback car platoon is the most, that of the squareback is the next, and the fastback is the least.

  阶背式轿车队列的平均减阻率最大，直背式次之，快背式最小。

• This paper gives a brief introduction of the drag reduction characteristics of the dilute solution of high polymer in pipelines, the possibility of its application to oil pipelines.

  本文简要地论述了高分子聚合物稀溶液管道减阻的特点，并探讨了在输油管道上应用的可能性与存在问题。

• More mature drag reduction tools have been developed abroad, but the domestic drag reduction tool research and development is still in its infancy.

  国外已有较为成熟的减阻工具，而国内的减阻工具研发工作尚处于起步阶段。

• This paper presents the general principle and method of bleeding drag reduction characteristic design of base bleed projectile.

  本文提出了底部排气弹减阻特性设计的一般原则与方法。

• It is employed the concept of multi-scale coherent structures to study the mechanism of riblet surface drag reduction in turbulent boundary layer.

  将湍流多尺度相干结构的概念引入沟槽壁面湍流边界层减阻机理的研究。

• The site application results show that applying HG dra not only obtain satisfactory drag reduction effectiveness and increase transportation capacity of pipeline, but also ensure the safe operation.

  现场应用结果表明，添加hg减阻剂不仅具有较好的减阻效果和增输能力，提高了输送的经济效益，同时保证了输油生产安全平稳运行。

• The technology of drag reduction can reduce consumed energy by water pump, so it is would be used widely in energy conservation.

  减阻技术在集中供热及空调水输配系统的应用可以极大地降低泵耗，从而具有广阔的节能前景。

• Currently, the research target of this realm is raising the drag reduction efficiency, at the same time, is increasing its anti-to shear function and lower the usage cost as far as possible.

  目前，这一领域的研究目标是在不断提高其减阻效率的同时，尽量增强其抗剪切稳定性及降低其使用成本。

• Finally, some research direction of plasma drag reduction technology in China are suggested.

  最后针对我国的减阻研究情况，提出了等离子体减阻技术的研究方向。

• A micro bubble generator used for drag reduction comprising a cavity, a connection pipeline, a pressure air power machine and a porous silicon plate is disclosed.

  一种减阻用微气泡生成装置，由空腔、连接管道、压气动力机械、多孔硅板等组成。

• When the flow rate of the liquid slipping along the solid surface exceeds that of a critical speed, slipping will occur and drag reduction will be realized consequently;

  当液体沿固体表面的流速超过临界速度时，出现滑移，这样能实现减阻；

• The effects of PLMA′s relative molecular mass, content, temperature and flow state on the drag reduction effectiveness and the shear stability were discussed.

  考察了其粘均相对分子质量、质量分数、温度及流态对减阻效率、抗剪切稳定性的影响；

• The experiment shows that it can drag reduction and extend the discharge distance of pipeline transportation by ejecting compressed air to dredger pipeline.

  分析了管道输送加气减阻的机理和延长排距的效果，在模型试验的基础上进行了实船试验。

• Based on our flow visualizations, a new mechanism of drag reduction is proposed. The device has been refined and net drag reduction has been achieved.

  建立在自己流动显示的基础上，提出了新的减阻机理，改进了设计，并获得较好的减阻效果。

• The degradation of the polymer and its effect on the drag reduction are also discussed.

  讨论了聚合物降解的情况及对减阻的影响。

• The technology of magnetic fluid viscosity drag reduction is a new one.

  磁性液体粘性减阻技术是一种新兴的技术。

• The proposed drag reduction mechanism and drag reduction method are valuable both theoretically and in engineering to realize the low drag pipeline transport of highly viscous fluid.

  所提出的减阻机理及工程减阻方法对实现高粘度流体的低阻力管道输送具有重要的理论指导意义和工程应用价值。

• In this paper, under the gas-liquid stratified laminar and turbulent flows, and the mixture turbulence flow by aeration in pipe, the laws of drag reduction have been researched.

  本文研究了圆管中气液分层层流、分层紊流及掺气混合紊流情况下的阻力减小规律。

• This paper gives the experimental approach primarily in wind tunnel to the new concept of surface drag reduction on turbulent flow.

  本文对当今湍流表面摩擦减阻新概念进行了初步的风洞实验探索。

• The results are meaningful for explaining the mechanism of drag reduction from submicroscopic level.

  所得结果对于从亚微观层次解释减阻机理有实际意义。