| 1. | Two different methods may be used to measure flow rate; instantaneous and integrating .
流量可用瞬时和累计的两种不同的方法进行测量。 |
| 2. | Application of long - throat flume in measuring flow rate in irrigation areas
长喉道量水槽的应用研究 |
| 3. | People designed diversified flowmeters to measure flow accurately
为了对流量进行准确的测量，人们设计出了各种流量计。 |
| 4. | Accurately measure flow and protects the water supply from possible contamination
精确测量流量，保护水供应系统不会受到可能的污染。 |
| 5. | By analyzing existing flow measurement methods , several economic methods which are suitable to online meter and measure flow in the plain irrigation are chosen
本文通过分析现有的流量测量方案，选择用闸门、泵站、量水槽作为量水设施，并分析了这几种测流方法的流量计算原理。 |
| 6. | Using the 1 - d rivernet model calculates the water discharge ratio of the two branches and also duplicates the back - flow in the north branch during flood tide . the 2 - d model with a fine grid is applied to the field of flow in the changjiang estuary and the results are well in agreement with the measured flow
同时利用河网模型对长江口分汊河段进行一个月的水流模拟，并获得了长江口南北支分流比，复演出北支涨潮时水体倒灌转流现象，解决了河网模型用于分汊河道潮汐水流模拟的问题。 |
| 7. | The methods and developing status of flow measurement and physical parameter of fluid , the principle of vortex flowmeter , the theory of ar model spectrum estimation are described at the beginning of the thesis . the author develops a flow measurement system comprising the signal processing circuit and measurement software to measure flow and do qualitative and quantitative to measurement results that gain by count method and ar model spectrum estimation method
论文依次讲述了流量的测量方法和发展趋势，流体的物理参数，涡街流量计的测量原理， ar模型谱估计的基础理论，并针对涡街流量计设计了信号处理电路和测量软件，最后对用计数方法和ar模型谱估计方法得出的测量结果进行了定性和定量分析。 |
| 8. | A useful technique has been provided and developed for the researching and analyzing the factors and variation of flow field in the intake duct of diesel engine . to find out a new method to measure flow measurement , different intake duct on different conditions are experimented and researched by real - time holographic interferometry . real - time holography interferometry has many characteristics , such as high precision , non - destructive , high contrast of interference fringes and full field test
该方法具有精度高、非接触、条纹对比度好、对被测物体形状和表面无特殊要求的特点，实验了对三维非定常流动过程的可视化实时采集，为了解和分析不同流量、不同结构参数下进气道内气流运动状态和流动特性的变化关系及其影响因素提供了一种有效的测试手段。 |
