sonic velocity

Teaching Research for Sonic Velocity One-dimensional Gas Flow Dynamics Course

气体动力学声速的教学方法研究与实践

Wavelet analysis in wave-velocity logging APPLICATION OF SONIC LOGGING IN AVERAGE VELOCITY FIELD

场地波速测量资料处理的小波变换方法声波测井资料在平均速度场中的应用

Relationship between Sonic Wave Velocity and Hest-conductivity Coefficient in Coal and Rock Acoustic Sounding In Explosive Rocks

煤层岩体中声波速度与导热系数的关系

Experimental Study of Defect Effect on Sonic Velocity in Basalt

缺陷对玄武岩中声波波速影响的实验研究

Based on the known interval velocities obtained from the lithologic log and sonic log, this paper presents a way of estimating the sand-shale ratio corresponding to the interval velocity at different well depths by using the Bayes formula of the probability theory.

本文介绍一种根据钻井中已知岩性和相应的声速测井求得的层速度，用概率论中的具叶斯公式算出不同井深各层速度值对应的泥岩比值的方法。

Effects of physical aging on the structure, mechanical properties and crystallization behavior of amorphous PET film and fiber are studied by density, DSC, stress-strain curve, solvent-induced crystallization and sonic velocity measurements.

采用密度、DSC、应力&应变测量、溶剂诱导结晶和声速测定等方法研究了物理老化对非晶态PET膜和纤维结构与性能的影响。