脉冲中子氧活化测井是一种测量水流速度的测井方法。
Impulse oxygen activation logging is a recent version of oxygen activation method for water flow measurement.
连续测量的水流速度是通过不同源距探测器计数率的比值来确定。
Water-flow velocity of continuous measurement was determined by the ratio of count rate value of different source spacing detectors.
通过在室内不同坡度和降雨强度下用电解质脉冲法对坡面水流速度进行测量。
The electrolyte pulse method is used to measure the velocity of sheet flow on a slope in laboratory under the condition of artificial raining.
氧活化水流测井是一种测量井下水流速度的测井方法。
Oxygen Activation Water Flow Logging is a method of measuring the velocity of fluid in downhole.
用这些公式和一台一维激光多普勒测速计，测量了方形管道中水流的二维湍流速度脉动的均方值和雷诺切应力。
Using these formulas and a 1-d LDA, mean square value of 2-d turbulent velocity fluctuation and Reynolds shear stress have been measured for water flow in a square duct.
计算结果与实验结果比较表明此数学模型是可行的，有可能用于测量和研究水流速度、泥沙含量及溶质在水流中的分布。
Comparing the calculated and experiment results show that the mathematical model is feasible and may be used to measure and study the velocity of sheet flow, sediment and the distribution of solute.
计算结果与实验结果比较表明此数学模型是可行的，有可能用于测量和研究水流速度、泥沙含量及溶质在水流中的分布。
Comparing the calculated and experiment results show that the mathematical model is feasible and may be used to measure and study the velocity of sheet flow, sediment and the distribution of solute.
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