To compare the level of friction resistance(FR)of different design self-ligating brackets using various bracket-wire combination in dry state during orthodontic phase of leveling and aligning.
探讨在干燥条件下,在牙齿排齐整平阶段应用不同的自锁托槽与不同的镍钛圆丝组合所产生的滑动阻力。
Experimental results show that the brake drag of the arrester is stable, and not influenced by the external conditions.
实验证实:理论分析方法正确,缓冲器制动阻力稳定,不受外界条件影响,动态阻力与静态阻力相差甚小,可预先按静态阻力准确计算。
A Model Building for Testing the Resistance to Sliding of Self-ligating Bracket and the Correlation Study;
自锁托槽滑动阻力测试模型的建立及相关研究
Primary Determinant Influencing the Skiing Resistance Against the Alpine Skier;
影响高山滑雪运动员滑行阻力的主要因素
Calculation on resistance of high-speed planing craft based on hull hydrodynamics analysis
基于水动力分析的高速滑行艇阻力估算
Research on Steady-State Rolling Resistance and Hydroplaning of Radial Tire
子午线轮胎稳态滚动阻力及水滑特性的研究
The damping force from the sliding mode c ontroller is determined based on the equivalent control force.
根据滑模面上的等效控制力,确定半主动悬架的实时控制阻尼力。
Smoother vehicles may have drag coefficients of the order of 0.55.
光滑飞行器的阻力系数可能为0．55量级。
The Study on Bearing Mechanism and Mechanics Analysis of the Load-Bearing and Anti-slide Pile;
承重阻滑桩承载机理及受力分析研究
Studies on Stick-Slip Periodic Vibration of Dry-Friction Damper Turbine Blades;
干摩擦阻尼叶片的黏滑周期振动研究
If the back roller rotates, faulty bearings, lack of lubrication, or a damaged roller may cause it to offer more resistance to rotation at one position.
如果后梁是转动的,轴承故障、缺少润滑、或后梁损坏,均会使后梁在某一位置受到较大的阻力。
Study about the effect of intracellular [Ca~(2+)]_i concentration balance modulation of small pulmonary artery smooth muscle cells on high resistance of fetal pulmonary circulation
肺小动脉平滑肌细胞内钙离子平衡调控在胚胎肺循环高阻力机制中的作用研究
paraglider aerodynamics
滑翔降落伞空气动力学
elastorheodynamic lubricant
弹性变流动力润滑剂
elastohydrodynamic lubrication theory
弹性流体动力润滑理论
Analysis of mechanical parameters of slip surface for basalt landslide in Yunnan
云南玄武岩滑坡滑动面力学参数分析
Study on the Stability Against Deep Sliding and Searching the Slip Surface of Gravity Dams;
重力坝的抗滑稳定及滑动面搜索研究
Study of Influence Factors on Resistance of Deep-V Planing Craft in Still Water
深V型滑行艇静水阻力性能影响因素研究
Additive drag perturbation method for measuring active drag in swimming;
测量游泳动态阻力的附加阻力微扰动法
Sludge can also clog oil passages and prevent normal engine lubrication.
油泥还会阻塞油路，妨碍发动机的正常润滑工作。