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- surface friction drag 摩擦阻力,表面摩擦阻力
- Also ow coefficient of surface friction. 较小的表面摩擦系数。
- The principle and method of pipe flow calculation using friction drag of a straight pipe are introduced. 介绍了利用流体管道直管段的沿程阻力计算管道流量的原理和方法。
- The friction drag coefficient increases with increasing afterbody fineness ratio and decreasing Reynolds Number. 后体摩擦阻力系数分别随后体的长细比的增加和雷诺数的减小而增加；
- Low coefficient of surface friction, besides properties of general mod- ified polyes enameled round copper wire. 除具有普通的改性聚酯漆包线的特性外,还具有较小的表面摩擦系数的性能。
- In superplastic forming, bulk metallic glass has larger surface friction resistance than ordinary metal alloys. 大块非晶合金在超塑性成形时呈现出比一般金属材料更大的摩擦阻力。
- These arguments support the notion of a convective mantle, with the plates being rafted along on its surface, propelled by frictional drag on their undersides. 这些论据支持了一个对流地慢的概念，板块在其摩擦拖曳下沿地慢表面类似于船浮在水上一样移动。
- These arguments support the notion of a convective mantle,with the plates being rafted along on its surface,propelled by frictional drag on their undersides. 这些论据支持了一个对流地慢的概念，板块在其摩擦拖曳下沿地慢表面类似于船浮在水上一样移动。
- Superplasticity in a complex shape parts, the die surface of contact surface friction will limit further deformation region. 在复杂的超塑性零件的成形中，硬模表面的摩擦将限制接触面区域的进一步变形。
- If lack of oil or oilway jam, wall panels inside voice will increase was mainly driven by increasing friction surface friction parts. 如果残油或油路畅通，墙板里背的不韵音不离会加不小，宾给是部件摩擦背的摩擦力加不小变成。
- This paper analyzes the form mechanism of friction drag recovery around jacked pile, summarizes the application methods of recovery and construction measurement using engineering practice exampces. 本文对静压桩桩周摩擦阻力恢复值的形成机理进行了分析,通过工程实例总结了恢复值利用的方法和施工措施,并对其利用值作了静载检测和效果评价。
- Analysis is done to the property of the lining cork in the cased pilling tester. Conclusion is made that the surface friction performance and elasticity of the cork are the main quality index when the cork quality tested. 分析了箱式起球仪用内衬软木材料的性能,认为材料的表面摩擦性能和弹性是考核内衬软木复合材料的主要质量指标。
- The key to the solution is the comprehensive frictional drag during string running. 而在下入过程中摩擦综合阻力又是求解的关键。
- The frictional characters, the influence of material compatibility, the effect of NBR deformation on the starting frictional drag of friction pairs used in ASP flooding are investigated. 探讨了丁腈橡胶在三元复合驱液中的摩擦过程特征、材料匹配性的影响和橡胶变形量对摩擦副启动摩擦阻力的影响。
- A Method of Flow Measurement Based on Pipe Friction Drag 基于管道沿程阻力的流量测量方法
- Improved Calibration Method of Skin Friction Drag Balance 一种改进的阻力天平仪校准方法
- This paper introduces the commissioning process of Beijing-Tianjin Products Pipeline and analyzes the hydraulic condition of pipeline operation to find out the cause of high frictional drag. 介绍了津京输油管道的概况和投产过程,对管道的运行状况进行了水力分析,找出了管道摩阻损失过大的原因。
- The permeable stress and wellbore stress,which was dependent on fluid mechanical property and pump rate of wellbore fluid,determinated the penetration rate of wellbore fluid and tube frictional drag. 考虑应力敏感性渗流对井口记录的破裂压力的影响,建立了孔隙性地层破裂压力的解释模型。
- In classical and neoclassical economics, therefore, the fact that actors may have social relations with one another has been treated, if at all, as a frictional drag that impedes competitive markets. 然而,在古典主义和新古典主义经济学中,行动者可能彼此之间建立社会关系的事实被当作一个阻止竞争性市场的阻碍来看待。
- The gas bubbled to the surface of the water. 气体变成气泡升上水面。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
