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- Experimental Study of the Characteristics of Turbulence in Drag Reducing Flow Using Surfactant Additives 界面活性剂添加物对水湍流阻力抑制的实验研究
- The latest achievements in study related to DRA's drag reducing mechanism and DRA production at abroad are described in the paper. 概述了国外减阻剂在减阻机理和生产工艺等方面的最新研究成果。研究结果表明,本体聚合可以大大提高减阻聚合物的分子量;
- Drag reducing performances of Cetyltrimethyl Ammonium Chloride (CTAC) drag reducing fluid in two-dimensional channel under different experimental situations were measured. 摘要通过对不同工况下氯化十六烷基三甲基季铵盐(CTAC)减阻流体在二维流道中减阻性能的测定，分析了温度、质量分数、配比变化对流体减阻性能的影响。
- In this paper, we had briefly introduced the classes and reducing mechanisms of drag reducers. The syntheses,applications and developments of drag reducers were also described. 该文简要介绍了减阻剂的分类,减阻原因和目前国内外减阻剂的研制、应用及发展情况。
- Study on drag reducing theory and technique of oil-gas-water three-phase flow 油气水混输减阻理论与方法
- Application test of FLOXS drag reducer in partial section of Gela Oil Product Pipeline has been carried out. 在格拉成品油管道上对局部管段进行了FLOXS减阻剂的应用试验。
- In adopting six-sigma techniques, we are striving to achieve Faster system throughput. Reduced flow time. More efficient manufacturing product flow. 在采纳六西格码管理技术时,我们努力实现更快捷的系统生产能力。降低流程时间。更加有效的产品制造流程。一致的产品。
- Internal stem/disc drive eliminates the need for pins or bolts which create additional leak paths and turbulence in the waterway that reduces flow. 内部阀杆/蝶板驱动,排除了对销钉或螺栓的需求。销钉或螺栓会产生额外泄漏通道,以及在水路内产生妨碍流体运动的涡流。
- And subsequently the theoretical calculation method for determining the proper location of drag reducer in ERD wells is set up. 进而给出了优化大位移井减阻工具合理安放位置理论计算方法。
- polymeric drag reducing additive 聚合物减阻加添剂
- Once plentiful around the Zambezi River, African elephants have suffered from a loss of habitat caused by an irregular and reduced flow of the river in the area. 曾经在赞比西河一带数量众多，而因为受到这地区不规则且减量了的河水影响，非洲象已丧失了大片栖息地。
- Progress in Drag Reducing Surfactant Research 减阻表面活性剂的研究进展
- DSH cement additive with low frictional re-sistance developed is prepared from drag reducer, filtration-reducing agent, stabilizing agent and accelerating agent. DSH低摩阻水泥外加剂由减阻剂、降滤失剂、稳定剂及促凝剂复配而成。
- drag reducing polymer suspension 减阻聚合物悬浮液
- After the diversion, the nullah no longer received discharges from livestock farms, but the diversion did lead to significantly reduced flow, lowering the nullahs ability to dilute or disperse pollutants. 虽然改道后锦锈花园明渠的禽畜废物污染量有所降低,但由于流量大幅减少,削弱了明渠稀释和消散污染物的能力。
- Thanks to a combination of reduced flow and increased run-off from saline soils churned up by agriculture, the water was becoming unhealthily salty, especially in its lower reaches. 由于流量减少再加上因农业活动所造成的盐渍土流失加剧，河水开始变咸，尤其是在下游区域，这对饮用者的健康有着不利影响。
- Dave wore drag to the fancy dress party. 戴夫穿着女子服装去参加化装舞会。
- How can I drag away from your arms? 我怎样才能离开你的怀抱呢？
- A free flow of water came from the pipe. 水从管道里通畅地流了出来。
