最后又介绍了龙口平均流速的理论计算方法。
The theoretical computation of average flow velocity in the gap also is introduced.
解决烟道烟气平均流速自动监测的技术难题。
The technical difficult problem for automatic monitoring average velocity of flue gas was solved.
解决了烟道烟气平均流速自动监测的技术难题。
The technical difficult problem for automatic monitoring average velocity of flue gas has been solved.
较总流量分析法，仅能给出明渠断面平均流速有所改进。
There is improvement as compared with the method of total flow which only gives the average velocity of transverse profile of open channel.
较总流量分析法，仅能给出明渠断面平均流速有所改进。
There is improvement as compared with the method of total flow, which only gives the average velocity of transverse profile of open channel.
利用速度剖面公式计算的垂线平均流速场与实测值符合较好。
The dimensionless velocity-profile formula fits not only the depth average velocity profile but also velocity profile of each layer along depth.
研究了各工艺因素对消失模铸造铝液在型腔中平均流速的影响。
Effects of various process variables on average flow velocity of LFC liquid aluminum in the mold have been studied.
在配备相应的传感器后，可用以测量平均流速、流量及距离、深度等。
When appropriate transducers are installed, it may be applied to the measurement of distance, depth, average flow velocity and mass flow rate.
根据不同流型讨论了等面积圆环法确定断面平均流速时所产生的误差。
The error caused by the ring method of equivalent area to measure the mean velocity of the circular pipe is studied by the different now pattern.
重点研究了平均流速、流动方向、曲率半径和管道直径等对冲蚀的影响。
The focus of the study lay in the relationship between the erosion and the average velocity, flow direction, the curvature of the elbow and so on.
它大部分是在90分钟内消失的，它的速度的最大值比尼亚加拉瀑布的平均流速还快。
Most of it went in 90 minutes, at a rate that at its maximum was faster than the average flow of the Niagara Falls.
根据弯道水流纵向运动方程，提出了弯道水流纵向垂线平均流速计算公式。
According to the longitudinal equation of flow movement in channel bends, the theoretical formula of depth-averaged longitudinal velocity distrbution is established.
文中还利用量纲分析，导出了挖槽中心垂线平均流速折减系数的经验公式。
An empirical formula of depth-averaged velocity is derived by means of dimensional analysis, and at the same time the characteristics of the variation of bottom current velocity are described.
结果表明：双进气道方案局部流动阻力小，在上止点附近有较高的平均流速。
The simulation results show that the double inlet port has smaller local flow resistance and higher average velocity flow near TDC than the single one.
尺动脉的平均流速大于桡动脉（P<0。01）。但这些指标都有个体差异。
Mean flow velocity of ulnar artery was significantly faster than that of(radial) artery(P<0.01).
通过简化宽浅明渠二维水流运动方程，得到垂线平均流速在横向变化的微分方程序。
In this paper, a differential equation of describing the lateral distribution of depth averaged velocity is obtained by simplifying 2d shallow water equations of open channel flow.
虽然板式换热器各板间流速不等，但在换热和流体阻力计算时，仍以平均流速进行计算。
Although velocity varies among different plate, plate heat exchanger in the change of heat and fluid resistance calculation, is still at an average velocity to calculate.
本文提出了一种能同时测量血管平均流速和局部流速的改进伪随机码互相关直接提取方法。
This paper put forward an improved direct extraction method with pseudorandom cross correlation function, by which, the average and local velocity in blood vessel are measured simultaneously.
同时在试验的基础上，推导得植树后断面平均流速减小值和植物坝段床面剪应力的计算公式。
And base on the experiment, calculating formula of cross section mean velocity's reduction after planting and bed shears stress of vegetation dam block are established.
根据古文献记述，李兰秤漏很可能是使用弹簧联结权器和秤钩，以达到平均流速稳定的目的。
According to the record of ancient documents, this paper gives the possible structure of li Lan's steelyard clepsydra, and demonstrates the principle for the stabilization of average flow velocity.
本文提出了阻力线性假设，并结合河槽断面的具体情况，对河槽的断面平均流速公式进行了探讨。
This paper proposes a scientific hypothesis that the resistance is linear and suggests a sectional average velocity formula for river flow which reflects the character of river.
这一有效切应力不但是对切应力类水流强度指标的总结，还可以概括平均流速和水流功率等水流强度指标。
The effective shear stress not only generalizes the flow intensity but also summarizes the flow intensities of mean flow velocity, stream power and unit stream power.
因为平均流速不是由同一时间各测点流速取平均值得出的，而是由一段时间内各点的流速取平均值得到的。
The average flow velocity can not get from the average flow velocity of every monitoring point in the same time, but by a period of time.
CFD模拟结果表明，直管试样入口处局部流速比平均流速高约24%，表面剪切力大，与实验结果一致。
CFD simulation results show that the entrance velocity is about 24% higher than the local flow velocity, resulting into large surface shear force, is consistent with the experimental results.
通过对烟道“速度场常数”的研究，提出了利用速度场常数监测烟道烟气平均流速的方法，同时研制出速度场常数自动检测装置。
By means of study on velocity field constant in flue, a method used to measure average velocity of flue gas was presented.
结果表明，坡面径流平均流速随坡度和流量的增加而增大，流速与坡度和流量之间存在指数函数关系，坡度对流速的影响大于流量。
The results show that the average flow velocity increases with the flow discharge and the slope gradient in an exponential form, and the slope gradient has greater effect on velocity than discharge.
方法对190例正常人，运用灰阶、彩色多普勒及高频超声检查LGA内径、最高流速、最低流速、平均流速、阻力指数和血流量。
Methods Total 190 normal subjects, 97 males and 93 females, were examined by gray scale, color Doppler and high frequency ultrasound to detect LGA.
结果经颅多普勒检测颈动脉轻度狭窄平均流速的敏感性为88.3%，收缩期峰流速的敏感性为92 . 6 %，特异性为97.3%。
Results Transcranial Doppler had sensitivity of 88.3% (mean flow velocity) and 92.6% (systolic peak flow velocity) with specificity of 97.3% to detect the mild stenosis of carotid artery.
实验中得到了与实际更接近的平均流速估计，相对误差仅为5.62%，与滤波法的相对误差12.83%相比，准确性得到了一定的提高。
The mean blood velocity was estimated using the proposed method with a relative error of 5.62%, which demonstrated improved accuracy compared to 12.83% by using the high-pass filtering method.
实验中得到了与实际更接近的平均流速估计，相对误差仅为5.62%，与滤波法的相对误差12.83%相比，准确性得到了一定的提高。
The mean blood velocity was estimated using the proposed method with a relative error of 5.62%, which demonstrated improved accuracy compared to 12.83% by using the high-pass filtering method.
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