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- ultimate frictional resistance 极限侧摩阻力
- The ratios of frictional resistance increment in the ultimate bearing capacity increment were 56%~88%. 侧阻力增量对桩极限承载力的贡献为56%25~88%25。
- This energy is then dissipated by dry frictional resistance. 这种能量被干摩阻力所耗
- Round pit pattern increase friction resistance,pjrevent from slipping of goods. 圆坑花纹摩擦系数大,运行中增加阻力,防止物料下滑。
- The jacking force consists of the face pressure and friction resistance. 顶管顶力是由迎面阻力和侧摩阻力组成的,影响顶力的因素很多。
- It has enough energy to overcome the frictional resistance in valves and registers. 它有足够的能量克服阀门和记录器的摩擦阻力。
- In severe creasing the frictional resistance plays only a minor role in determining the crease resistance. 在严重的折皱作用下,摩擦阻力在织物抗折皱能力中仅居次要地位。
- Application shows that the reformed seal has rational structure, small frictional resistance and good sealing effect. 几个月的试运行证明,改造后的密封结构合理,摩擦阻力小,密封效果好。
- Propeller fans are used to move free air within a room or through channels having low frictional resistance. 螺旋桨式风机通常用于房间内或通过风道时移动自由气流时,产生微弱的摩擦阻力。
- The adjusting mechanism of the frictional resistance between the filler and cylinder wall,and between the subsoil and cylinder wall is discussed. 采用模型试验,以实测筒内、外土压力和筒底压力为依据,探讨内填料和地基土与圆筒筒壁间摩阻力的调整及其变化规律。
- The differential equation for the frictional resistance on the drillstring during tripping in high-deviated holes and horizontal holes was established. 建立了大斜度定向井及水平井起下钻过程中钻柱摩擦阻力微分方程,并推导得到钻柱摩阻的解析解。
- Presents the theoretical calculation formula and performs experiments of frictional resistance loss for PP-R hot water pipes. 给出了PP-R热水管沿程阻力损失的理论计算公式,并对其进行了实验研究。
- So it is very necessa ry to reduce the frictional resistance c oefficient in order to raise gas flow an d reduce running cost.A lot ... 考察了大量的摩阻计算公式,求解出各种不同条件下的摩阻系数,分析和讨论了影响摩阻系数的因素,提出了降低摩阻系数的主要方法,重点介绍了加内壁涂层的减阻方法。
- Feature: Round pit pattern increase friction resistance, prevent from slipping of goods. 特征:圆坑花纹磨擦系数大,运行中增加阻力,防止物料下滑。
- After it starts, not only adds 35%pressure to edge of shovel, also moves the part weight of front shaft of vehicle to the tail shaft, which can improve 25% frictional resistance. 系统启动后,不但能对雪板的铲刃增加35%25的压力,而且还会把车辆前轴的部分载荷转移至后轴,这样可提高25%25后轮对地面的摩擦力。
- Low friction coefficient between PCD diamond and steel materials reduces frictional resistance during bearing processing, thus enhances bearing processing precision. PCD金刚石和钢铁材料的磨擦系数低、减少了轴承加工的磨擦阻力,提高了轴承的加工精度。
- It is the structure of the AGS that makes the airflow's distribution in the AGS more uniform,forming a minor speed gradient and producing a smaller frictional resistance. 环缝洗涤装置的结构使气流在环缝内的分布更均匀,形成较小的速度梯度,产生的摩擦阻力小;
- Objective To study the frictional resistance in the buccal segment between self-ligating brackets and archwires in the dry and artificial saliva states. 目的探讨在干燥和人工唾液条件下,自锁托槽在后牙段所产生摩擦力的差异。
- Objective To investigate the effects of conventional stainless and cobalt-chromium alloy brackets in various bracket-archwire combinations on the frictional resistance. 摘要目的探讨不锈钢托槽与钴铬合金托槽对正畸摩擦力的影响。
- The standard value of ventilation resistance and coefficient of frictional resistance is very significant to the ventilation management of the mine as the basic data. 标准风阻值和标准摩擦阻力系数值作为矿井通风技术管理的基本资料对矿井通风管理具有重要意义。