The testing of transmission speed of sonic wave in the gas-liquid two-phase flow indicates that Wood formula can be used to calculate the transmission speed of sonic wave in the two-phase flow. 通过声波在气液两相流中传播速度试验证明,武德近似公式可以用来计算声波在该两相流中的传播速度。
Application Origin 7.0 software to experimental data of the sound velocity of ultrasonic Estimation of Reservoir Porosity Parameter Using Array Sonic Wave Slowness 利用Origin7.0软件处理超声波声速实验数据应用阵列声波长源距声波时差求取孔隙度参数
This paper studies the mechanism of sonic wave enhanced oil recovery. 该文用实验方法研究了声场提高原油采收率的机理。
The Application of Cross-hole Sonic Wave in Detecting Depth of Concrete Cracks 跨孔声波在检测混凝土裂缝深度中的应用
On application of rocks ( mass) sonic wave measuring in engineering geological exploration 谈岩石(体)波速测试在工程地质勘察中的应用
The resonance of sonic wave vibration is the key technology in the ultrasonic vibration drilling. 超声振动钻削中声振系统的共振是实现超声振动钻削的关键技术问题。
Determination of particle size distribution of fine powder-Method of sieve classification with sonic wave GB/T13220-1991细粉末粒度分布的测定声波筛分法
The relationships of dynamic elastic module, sonic wave velocity and horizontal depth, indicate that dynamic elastic module is more sensitive than sonic wave velocity. 岩石动弹性模量与弹性波速随水平进深的变化数据表明,动弹性模量对岩体质量的变化反应比弹性波速更灵敏。
Propagation of sonic wave and results of ultrasonic imaging logging are affected, in some degree, by these factors, such as working frequency, types of transducers, measuring distances, scanning intervals, tool eccentricity and slope, interface wave impedance difference, etc. 换能器的工作频率及类型、测量距离、扫描间隔、仪器偏心及倾斜、目的层的波阻抗差异等因素都会不同程度地影响声波的传播,最终影响成像效果。
Study on Sonic Wave Testing Technique for Loosened Layer of Rock 岩石松动层声波测试技术
The mechanism and phienomenaof sonic wave propagation in acoustic logging are analysed. 并对在声波测井中声波传播的机理和出现的一些现象进行分析讨论。
Making use of the principle that the sonic wave made by the rock open fracture spread in the rock, can accurately test the crack's appearance directions and extend length. 利用岩石张裂时发出的声波在岩石中的传播原理,可准确测出裂缝的形态方位和延伸长度。
The principle, character and structure of sonic wave dust cleaner were presented in this paper. 本文介绍了声波清灰的原理、特点、清灰系统的构成及使用效果。
The sonic wave sending technique of early air cutting detecting is an advanced one. 声波气侵早期检测方法是一种先进的方法。
To know the accurate reservoir porosity, we can interpret it on the basis of lab core analysis data in these two ways: first, using sonic wave moveout in logging to interpret it; 为了准确掌握储层孔隙度,可以实验室岩心分析资料为基础,利用两种方式对它解释:一是利用声波时差测井解释孔隙度;
Based on the above mentioned facts, this paper represents the matrix form of sonic wave equation in the frame of wavelet multiresolution analysis. 本文将声波方程的矩阵表示形式在小波多分辨分析的框架下进行了展开。
It is demonstrated that some of the energy of the sonic wave in a plate material can transmit into the air. 声波透射实验表明,对于板状材料,声音的一部分能量可以透射到空气中。
At low frequency, sonic wave has greater rate of attenuation. 在低频段,声波有较大的衰减变化率;
Primarily introduced the crack monitoring principle, the application limit and sonic wave signal record method. 主要介绍了AEO-4A裂缝监测技术的监测原理、应用范围及声波信号的录取方法。
Application of sonic wave transmission method to engineering quality detection 声波透射法在工程质检中的应用
In order to increase the resolution and fidelity, the noise level must be reduced first and the sonic wave and high frequency random noise coming from surface must be eliminated, which can enlarge the width of frequency band of simultaneously recording high and low frequency information. 要提高分辨率和保真度,首先要压低噪声水平以及消除来自地表的声波和高频随机噪声,从而扩大同时记录高低频信息的频带宽度。
Forward modelling and processing results show that the recorded sonic wave curves are not only related to formation properties, but also to the characteristics of acoustic source. 正演模拟结果和处理结果表明,测井记录的声波全波列不但与所测地层的性质有关,而且与声源的特性有关,声源特性对测井记录的声波全波列的质量有一定的影响。
The main principle is introduced, and the relationship between speed of sonic wave and media temperature is deduced. The great merits and existing questions of acoustic pyrometry are shown. 介绍了声学测温的基本原理,推导了声波传播速度与介质温度的关系式,阐述了声学测温的巨大优势和存在问题。
This paper sums up the application result of sonic wave technique inShaodong Gypsum Mine. 本文总结了声波测试技术在邵东石膏矿的应用成果。
Application of Ground Penetrating Radar and Sonic Wave Approaches in Nondestructive Detection for Retaining Wall Quality 地质雷达法与声波法在挡墙质量无损检测中的应用
Sonic wave measuring and analysis of high rock slope 某高边坡岩体声波测试与分析
Study and application of sonic wave properties of carbonate rock 碳酸盐岩的声波特性研究及其应用
Application of the Original Position Sonic Wave Test Method in the Research of Rock Mass Mechanical Property 原位声波测试法在岩体力学性质研究中的应用
Principle of Double-pipe Protecting Borehole Wall Blasting and Sonic Wave Evaluation of Blasting Effect 护壁爆破的基本原理与爆破效果的声波评价
Study on Compaction Effect of Rock Sonic Wave 岩石声波压实效应的实验研究