• High velocity of flow channel in the bottom mat, mat extended length according to the cage height and maximum scour depth to determine.

    流速河道应在下部设置网,网垫伸出长度根据网箱高度最大冲刷深度确定。

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  • In distribution systems where high point vents are not installed, high velocity flow and flow restriction techniques can be used to ensure complete filling of the system.

    分配系统没有安装高位排气口采用流速以及流速限制技术确保系统的完全充填

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  • With the developing of science and technology, more and more high head dams are build and problems brought by high velocity flow are following.

    随着科学技术进步,世界上修建高坝日益增多,随之而来的高速水流问题也就越来越多。

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  • In medical Doppler ultrasound systems, a high-pass filter is usually employed to remove wall clutter components which may also remove the information of the low velocity blood flow.

    医学超声多普勒系统高通滤波器消除血管搏动带来的回波干扰时,滤除了低速血流信息

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  • The scramjet has some advantages of high flow velocity, high specific impulse and wide operating range which become a viewpoint in the research field of power of Aeronautics and Astronautics.

    燃冲压发动机以其高速高比工作范围宽广特点,正逐渐成为当今航空航天动力领域研究焦点。

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  • As the high head, high velocity and large flow of flood discharge, the concrete of spillway tunnel in Xiaowan Hydropower Station is easy to be damaged by cavitation.

    小湾水电站泄洪洞泄洪时具有水头、高流速、泄量特点,混凝土冲刷力强,容易产生空蚀破坏

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  • Super high water cut oil system has good flow behavior at lower temperature, and its apparent viscosity changes a little with temperature but increases with the increase of velocity.

    特高含水原油体系具有很好的低温流动性黏度温度变化幅度不大随着流速增加而增加

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  • High flow velocity was found in some patients accompany stenosis of the siphon.

    合并虹吸狭窄血流速度增高频谱紊乱。

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  • Production of thin films at high flow velocity, along with large surface area, allow rapid heat transfer and efficient operation.

    流速生产薄膜很大表面积使得快速传热高效的操作得以实现。

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  • Under the high solid flux, in the dilute flow region, the particle velocity is analyzed and discussed with the variation of operating condition.

    较高流率颗粒运动速度进行工况分析讨论

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  • High velocity gas flow causes turbulence coefficient, while the existence of turbulence effect affects percolation flow characteristics of a reservoir.

    由于气体高速流动产生了湍流效应湍流效应存在又影响储层渗流特性

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  • The water flow in the canal speeds up after energy dissipation in the discharge flume, so the velocity of flow is still high in the canal.

    槽水流挑渠道加速,使出渠流速仍然较高

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  • And then the influence of the inlet flow's Mach, the outlet pressure, Angle, high velocity to the structure and major performance parameter of inlet's flow field are analyzed.

    分析了来马赫数出口反攻角高速旋转等因素对进气道结构主要性能参数影响

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  • To enhance noise reduction and to improve flow resistance always attend to one thing and lose another in the case of designing silencer for low frequencies noise with high velocity flows.

    需要控制低频噪声高速气流场合应用消声器消声量系统的阻力损失经常成为顾此失彼二难选择。

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  • The velocity distribution and the reciprocity of the two phases on the high efficient flow-guided sieve tray were analyzed and researched.

    文中高效导向筛板上液体流速分布和气液相间相互作用进行了分析研究。

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  • For gas flow at high temperature and high speed in MHD-channel, a method of measuring gas velocity without physical contact is discussed in this paper.

    本文磁流体发电通道中高温高速气流测量对象,阐述了非接触式测量流速方法

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  • One of the main problems of spillway tunnel with large discharge and high velocity flow is the cavitation damage.

    水头、流量泄洪洞高速水流问题主要问题之一水流空化引起过流表面空蚀。

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  • These high velocity flow signals might be caused by arteriovenous shunting, and had a specific value for diagnosis of the breast cancer.

    这种高速血流信号可能为动一静脉引起乳癌的诊断特异性价值

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  • In the second phase group it was in a state of normal systolic flow velocity, low diastolic flow velocity and high renal vascular resistance.

    第二处于收缩期正常流速舒张末期流速,血管状态

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  • The design element and the experiment result of reversible orifices and changing orifices low velocity flow is high.

    分析了可逆流量计可变式孔板流量计设计原理实验结果

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  • The variation of flow velocity in high gradient reveals the paroxysmal characteristics of the development of rill.

    坡度水流速度变化揭示了发育具有突发性特征

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  • A theoretical analysis was carried out for evaporative heat transfer of annular two phase flow of liquid film and high velocity air in vertically heated tubes.

    通过理论分析,研究了竖直传热管内降-高速空气环状蒸发换热特性。

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  • In the sewer pipe with high energy slope, there always occurs the high velocity flow, and its hydraulic calculation is beyond the range of wastewater design specification.

    比降排水管水流通常高速水流,水力设计已经超过排水设计规范范畴。

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  • Because of the high flow resistance and the poor flowing ability, the spool valves can't meet the requirements for high velocity or huge hydraulic equipment.

    同时由于滑阀流动阻力,通流能力小,不能满足高速大型液压设备流量要求

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  • Usually sensor is used to measure velocity. It has the disadvantages of disturbing flow field, being dangerous and high cost.

    传统测试方法传感器测量液体速度主要缺点干扰场、耗资高、风险大、周期长。

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  • Some novel characteristics of gas condensate relative permeability and distribution state under high velocity flow have been found in the analysis of application example.

    实例分析揭示了高速流动油气相对渗透率变化油气分布状态特征

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  • 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.

    高速流动条件下叶栅损失主要是吸力边界层径向串流及其尾迹

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  • Because of the effect of turbulent flow near the wellbore zone, Darcy's law for the plane radial flow can't completely apply to the oil Wells of high velocity turbulent flow.

    对于具有高速流动油井由于井底附近地带存在湍流影响达西定律平面径向流动已完全适用

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  • Using a small flow number atomizer may obviously improve the lean ignition limit of the high density fuel, but the ignition velocity-pressure limit and the rich ignition limit are shrunk.

    使用流量喷嘴显著改善比重贫油点火性能,点火的压力-速度边界油点火边界缩小了

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  • Circle water flow system and high hydraulic gradient are applied. The experiment is carried out and the behavior of non-Darcy water flow with high velocity is studied.

    试验研究宽裂隙水力梯度非达西渗流运动规律,建立流速水力梯度的非线性关系曲线。

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