High velocity of flow channel in the bottom mat, mat extended length according to the cage height and maximum scour depth to determine.
流速大的河道应在最下部设置网垫,网垫伸出的长度根据网箱高度和最大冲刷深度来确定。
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.
在分配系统中没有安装高位点的排气口,可采用高流速以及流速限制技术以确保系统的完全充填。
With the developing of science and technology, more and more high head dams are build and problems brought by high velocity flow are following.
随着科学技术的进步,世界上修建的高坝日益增多,随之而来的高速水流问题也就越来越多。
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的高通滤波器在消除血管壁搏动带来的回波干扰时,也滤除了低速血流信息。
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.
超燃冲压发动机以其高速、高比冲和工作范围宽广的特点,正逐渐成为当今航空航天动力领域的研究焦点。
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.
小湾水电站泄洪洞在泄洪时具有高水头、高流速、泄量大的特点,对混凝土冲刷力强,容易产生空蚀破坏。
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,黏度随温度的变化幅度不大,但随着流速的增加而增加。
High flow velocity was found in some patients accompany stenosis of the siphon.
合并虹吸段狭窄时血流速度增高频谱紊乱。
Production of thin films at high flow velocity, along with large surface area, allow rapid heat transfer and efficient operation.
高流速下的生产薄膜有很大的表面积,使得快速的传热和高效的操作得以实现。
Under the high solid flux, in the dilute flow region, the particle velocity is analyzed and discussed with the variation of operating condition.
对稀相区在较高固粒流率下对颗粒运动速度进行了变工况分析和讨论。
High velocity gas flow causes turbulence coefficient, while the existence of turbulence effect affects percolation flow characteristics of a reservoir.
由于气体的高速流动,产生了湍流效应,而湍流效应的存在,又影响了储层的渗流特性。
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.
出泄槽水流挑流消能后在渠道内加速,使出渠流速仍然较高。
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.
分析了来流马赫数、出口反压、攻角、高速旋转等因素对进气道流场结构及主要性能参数的影响。
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.
对需要控制低频噪声的高速气流场合应用消声器,消声量和系统的阻力损失经常成为顾此失彼的二难选择。
The velocity distribution and the reciprocity of the two phases on the high efficient flow-guided sieve tray were analyzed and researched.
文中对高效导向筛板上液体流速分布和气液两相间的相互作用进行了分析和研究。
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.
本文以磁流体发电通道中高温高速气流为测量对象,阐述了非接触式测量流速的方法。
One of the main problems of spillway tunnel with large discharge and high velocity flow is the cavitation damage.
高水头、大流量泄洪洞内高速水流问题主要问题之一是水流空化引起过流表面空蚀。
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瘘引起,对乳癌的诊断有特异性的价值。
In the second phase group it was in a state of normal systolic flow velocity, low diastolic flow velocity and high renal vascular resistance.
第二组处于收缩期正常流速,舒张末期低流速,肾血管高阻状态。
The design element and the experiment result of reversible orifices and changing orifices low velocity flow is high.
分析了可逆式孔板流量计和可变式孔板流量计的设计原理和实验结果。
The variation of flow velocity in high gradient reveals the paroxysmal characteristics of the development of rill.
大坡度的水流速度变化揭示了细沟发育具有突发性特征。
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膜-高速空气环状两相流的蒸发换热特性。
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.
大比降排水管水流通常为高速水流,其水力设计已经超过排水设计规范范畴。
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大,通流能力小,不能满足高速或大型液压设备对流量的要求。
Usually sensor is used to measure velocity. It has the disadvantages of disturbing flow field, being dangerous and high cost.
传统的测试方法是用传感器测量液体速度,其主要缺点是干扰流场、耗资高、风险大、周期长。
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下油气相对渗透率变化及油气分布状态新特征。
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.
在高速流动条件下,叶栅损失主要是吸力面边界层径向串流及其尾迹。
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.
对于具有高速流动的油井,由于在井底附近地带存在湍流的影响,达西定律的平面径向流动已不完全适用。
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.
使用小流量数喷嘴可显著改善大比重油的贫油点火性能,但点火的压力-速度边界和富油点火边界缩小了。
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.
试验研究宽裂隙高水力梯度下的非达西渗流运动规律,建立流速与水力梯度的非线性关系曲线。
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