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- Test Method for Open Channel Flow Measurement by Acoustic Velocity Meter Systems 用传声速度计系统测试明渠流量的试验方法
- acoustic velocity meter 声速测定计
- In all these methods, acoustic velocity thermometry based on the acoustic travel time is a better one with a wider use. 而在声学测温的各种方法中，基于声波传播时间的声速测温方法又是一种比较好的、应用更广泛的方法。
- In all these methods,acoustic velocity thermometry based on the acoustic travel time is a better one with a wider use. 而在声学测温的各种方法中,基于声波传播时间的声速测温方法又是一种比较好的、应用更广泛的方法。
- The diameter of blowdown stand pipe is designed taking 0.5 times of acoustic velocity at the pipe mouth. 按照放空气体管口流速为0．5倍音速设计放空立管直径，根据火炬热辐射强度对不同环境的影响设计放空立管高度。
- The linear relationship between the nodularity and acoustic velocity has been accepted. 球墨铸铁的球化率随超声声速的线性变化关系已经被人们所认同。
- A pencil core is used as a detonation velocity meter to measure the developing velocity of fissure induced by explosion of the cement model. 文章介绍了一种用铅笔芯作为爆速仪探针测量水泥模型爆炸裂缝发展速度的方法。
- And the way overcomes the defects of the measuring accuracy of the traditional measuring instruments affected by the change of acoustic velocity. 并根据水声信道中多途效应时延估计模型,利用时延估计技术和互相关运算进行了计算机模拟。
- The acoustic velocity, compressive strength and the Young's modulus of the rock samples under different conditions were obtained. 利用回归分析法,建立了5种岩石的力学性质和声学性质随围压变化的数学模型。
- Velocity is one of the important acustic parameters of liquid. Ultrasonic-pulse reflection method is a suited technique of measring the acoustic velocity of liquid. 液体声速是液体声学的重要参数之一 ,获得液体声速常用的方法是脉冲反射法 ,文章提出一种新的测量方法 ,即共振声谱法。
- The ray-parameter method for acoustic velocity measurements of sediment layers presented by Bryan has been extended to the case of layers having a common dip-angle. Bryan提出的测量海底沉积层连的射线参数法可以推广到平行倾斜情况下使用。
- Based on the analysis of logging data， i t is found that effect of porosity and s hale content on acoustic velocity is hea vier than that of water saturation on it . 根据对实测测井解释资料的分析，认为孔隙度和泥质含量对纵波声速的影响大于含水饱和度的影响。
- Because there are many influential factors in experiment of acoustic velocity testing of unconsolidated sandstone, quantitative study is short of the influential factors. 摘要由于疏松砂岩声波纵、横波速度的影响因素较多，因此有必要对各影响因素进行定量研究。
- The results of well-to-seismic calibration are effective by selecting Permian igneous rock and Carboniferous double-peak limestone as the reference layers, adjusting appropriately acoustic velocity and choosing the most suitable wavelet. 利用上述方法，以哈得四油田二叠系火成岩及石炭系双峰灰岩为参考层，选取与研究区地震数据吻合性最好的子波，合理地调整声波速度，对哈得四油田的主要储层东河砂岩进行井－震标定，获得了较为理想的效果。
- Signal Detector of Propeller Flow Velocity Meter 旋桨式流速仪信号检测器
- bidirectional blood velocity meter 双向血流速度计
- Improvement of acoustic velocity measurement device 声速测量实验装置扩展应用
- Discussion about Frequency Velocity Meter Matching the Driver 变频调速器与传动电要的匹配
- In the picture a man is seen observing a meter. 你在图中可以看见一个人在观察仪表。
- critical value of acoustic velocity 声速临界值
