vertical speed

The Design and Experiment Research of a Vertical High-speed Rotary Tipping Paper-cutting Device

垂直高速旋转式水松纸切割装置设计及试验研究

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The legs' supporting angle of sector in the last step of run-up before the take-off has much effect on the drop of body center, horizontal speed and vertical speed in broad jump.

助跑最后一步摆动腿着地时，其小腿支撑扇角对踏板前的身体重心下降、水平速度以及离板瞬间的重心垂直速度有重要影响。

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For a low speed vertical three-wedge bearing system, b_m-c_m ≥ 0.8 μ m.

对于低速立式三油楔动压轴系，则bm-cm≥0.8μm。

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A Study of Vertical Coupling Dynamics of High Speed Train and Track Systems

高速列车-轨道垂向耦合动力学的研究

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A conventional fixed pitch vertical axis turbine cannot usually start rotating on its own and only is able to work efficiently at very high tip speed ratios. As a result, a self-start motor will be required.

而传统的定桨距垂直轴水轮机构通常不能够独立的启动旋转且只能在非常高的速率下有效地工作，因此自启动马达是必需的。

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The influence of solidity and aspect ratio on power coefficient of H-type vertical axis wind turbine, and the change of attack angle with tip speed ratio were analyzed.

采用多流管模型分析了H型垂直风力机展弦比和实度对其功率系数的影响，并对叶片旋转过程中攻角随尖速比的变化进行了分析。

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Technology of vertical centrifugal casting, the calculation for gate size and rotational speed mold were introduced.

介绍了立式离心铸造方法 、 浇口尺寸和铸型转速的计算.

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The results show that melts landscape speed uy, vertical speed uz are much lower than flowing speed ux under thin-gauge high-speed casting.

结果表明：在超薄快速铸轧时，熔体横向速度uy、高向速度uz远小于流向速度ux。

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Study of Analytic Methods for Vertical Vibration of High Speed Railway Girder Bridge

高速铁路梁式桥竖向振动分析方法研究

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There are strong correlations between the speed of running-up and the type of techniques, which could be embodied by the transformation of horizontal speed to vertical speed. 7.

助跑速度与技术类型之间存在联系，其主要体现在一定条件下的水平速度与垂直速度之间的关系。

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Variable pitch vertical axis turbines have been proposed, which can markedly increase the power extraction efficiency at low tip speed through controlling the rotor blades pitch at all points of their rotation cycle.

目前已经提出了一种变螺距垂直轴水轮机，它可以通过控制转子在一个旋转周期上所有点的叶片间距来显著提高能量的提取效率。

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Improving on the high speed gear of 3 5m vertical type decelerator

关于Φ3.5m立式减速机高速齿轮的改造

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the project test interface is divided, according to test items, into self-inspection interface, output accuracy test interface, vertical speed test interface and discrete magnitude test interface.

根据大气机测试项目划分，又将项目测试界面分为自检测试界面、输出精度测试界面、升降速度测试界面、离散量测试界面。

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The Minimum Radius and Rapid Rotating Speed for Vertical Maneuver of New Aircraft X

某新机垂直机动的最小半径和快转速度

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