• 关于谷物流量在线测量研究,有光电、冲量、核辐射电容传感器

    Many methods of measuring grain flow on combines are presented in the literature, such as volumetric method, impact sensor, radiometric method and capacitor sensor, etc.

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  • 为了交通事故再现提供新的依据研究了动量冲量动力学结合乘员运动仿真,提出了类算的耦合

    In order to provide new proof for accident reconstruction, the method of occupant kinematics reconstruction using the coupling of momentum-based method and multi-body dynamics method was studied.

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  • 本文用冲量给出了沿共切椭圆轨道实现轨道向另一圆轨道转移最优方案考虑到地球扁率造成的轨道摄动

    The optimal scheme is given for the dual-tangential transfer between two circular orbits by dual impulse method. The orbit perturbation as a result of the Earth's flattening is considered.

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  • 通过结合离散相似冲量定理,推演出一个计算位移速度公式

    A recurrence formula for calculating the displacement and the velocity is derived by combining the theorem of impulse with the method of discretized similarity.

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  • 换算标准压强条件下平均压强冲量系数计算精度优于切线的计算精度,并作出了计算验证。

    By converting test condition to the standard pressure condition, calculation accuracy of average pressure impulse coefficient method is superior to that of tangent method.

    youdao

  • 换算标准压强条件下平均压强冲量系数计算精度优于切线的计算精度,并作出了计算验证。

    By converting test condition to the standard pressure condition, calculation accuracy of average pressure impulse coefficient method is superior to that of tangent method.

    youdao

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