• 这种管束斜生于部分称为

    These parts of bundles in the stem be regarded as leaf trace.

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  • 通过实验研究提出观察植物立体结构方法

    The article proposes the experimental method of observing the spatial structure of plants leaf trace and leaf crack.

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  • 细胞颜色叶迹管束维管束的多少则是显微的主要区别点

    The color of Oil cell, the number of non-glandular hair, leaf-trace bundle and vascular bundle are distinct in micro-character.

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  • 初生结构多个管束排列环状部为单隙叶迹分别来自于3条维管束同一条维管束。

    The vascular bundles of the primary structure in stem are ring arranged, and the node is unilacunar and 3-traced, which is from three vascular bundles or one vascular bundle.

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  • 最后连同通道区一起,求得了包括影响栅的总损失系数

    Finally, Over-all loss coefficients in the cascade are obtained, considering effects of the shock wave passage and wake.

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  • 转子特征参数紊流可以求出旋转损失,为修改设计提供参考依据。

    The losses of the rotating cascade determined by the parameters of rotor wakes and the turbulence levels could be used in the design modification.

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  • 强度明显减弱,流动分离得到抑制泄漏涡也得到了周期性的抑制。

    The intensity of rotor wakes was reduced, flow separation on rotor suction side was suppressed and the tip leakage flow was suppressed periodically.

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  • 串列平均速度和紊流脉动速度沿额线方向比单列变化平缓。

    The mean wake velocity profiles behind tandem cascades satisfy the self-similarity, similar to that behind the single-row cascade.

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  • 利用数值计算的方法研究定常冷却效率的影响

    Numerical calculations were performed to investigate the effects of unsteady wakes on film cooling.

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  • 此外上游静子以及尾缘出口膨胀波等也是产生转子表面定常力因素。

    In addition, the wake interaction of upstream blade row and the expansion wave at rotor exit also cause an unsteady force acting on the downstream rotor blade surface.

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  • 方法30完全腹腔镜切除时对分布、脾动脉阻断供血界面变化、脾动脉处理方式进行归纳分析

    Methods:The anatomy of splenic artery and the blood-supply interface after blocking the splenic artery were analyzed in 30 cases reaceiving laparoscopic splenectomy.

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  • 串列平均速度紊流脉动速度沿线方向单列变化平缓

    Behind the tandem cascades, the variations of mean velocity and turbulence intensity along the tangential direction become more gentle than that behind the single-row cascade.

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  • 考虑影响

    Effects of the cascade wake are taken into account.

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  • 高速流动条件下损失主要是吸力边界层径向串流及其

    Under high velocity flow conditions, cascade losses are mainly caused by radial drift of the boundary layer along the suction surface and by blade wakes.

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  • 设计状态转子出口流动阻塞损失、高水平紊流脉动噪声主要发生通道中部、吸力区;

    In design condition, the flow blockage, loss, turbulence and noise at the exit focus mainly in the tip mid-passage, wake and the corner between the hub and the suction surface;

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  • 基于小型轴流压气机实验台,运用热线风速仪(HWA),对不同转速流量工况下排出口流动特性进行实验研究

    An experimental study of the stator blade wake in a small axial compressor is performed by using a hotwire anemometer (HWA) under different rotating speeds and mass flow conditions.

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  • 基于小型轴流压气机实验台,运用热线风速仪(HWA),对不同转速流量工况下排出口流动特性进行实验研究

    An experimental study of the stator blade wake in a small axial compressor is performed by using a hotwire anemometer (HWA) under different rotating speeds and mass flow conditions.

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