您要查找的是不是：
- drag reducing efficiency 减阻率
- 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。
- Thus heat loss is reduced efficiently. 因而有效地减少了热量损失。
- This insidious disease produces extensive and unmeasured economic losses through reduced efficiency in feed utilization. 这种隐伏性疾病产生了广泛的和未加统计的由于饲料利用率降低的经济损失。
- 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。
- To limit the market of an industry to one country would often mean reduced efficiency and higher costs. 把一个行业的市场局限在国家内部,只会导致该行业生产效率降低,成本增加。
- polymeric drag reducing additive 聚合物减阻加添剂
- Although these policies have the benefit of achieving greater equity, they have a cost in terms of reduced efficiency. 尽管这些政策有完成更公平的利益,但他们在减少的效率方面有成本。
- 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。
- Abstract Fluid inertia effects increase equipment loading and reduce efficiency in high rate shallow wells with high water production. 在含水率较高的大排量浅井中，流体的惯性效应使设备负荷增加，并降低了泵效。
- Progress in Drag Reducing Surfactant Research 减阻表面活性剂的研究进展
- drag reducing polymer suspension 减阻聚合物悬浮液
- Safety Regulations: These set how much safety your workers should be provided. This, again, reduces efficiency as it leads to slightly slower rates of production. 劳动保障:这里设定你为工人提供的劳动保障的程度。由于这造成了生产速度的减慢也会降低工作效率。
- 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。
- 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？
- He took a drag from the wine glass. 他从酒杯里喝了一口酒。
