It is shown that acoustic velocity of tap water is faster than that of the polymer solution.
实验结果表明，水中的声传播速度大于聚合物溶液中的声传播速度。
The latter has high coupling coefficient, low acoustic velocity and excellent temperature stability.
后者具有高的耦合系数，低的声速，好的温度稳定性。
The longitudinal acoustic velocity of the dry core samples filled with gas/CO2 mixture decreased with increases in CO2 content.
干岩样孔隙中充注混合气后，随CO2含量的增加，纵波速度有减小趋势。
It is found that the acoustic velocity increases gradually, then decreases gradually after a peak and tends to be stable finally.
结果表明，波速沿径向逐渐增大，经历一个波峰后又逐渐降低，最后趋于稳定。
If the sediment underlying a hydrate entraps natural gas, its acoustic velocity will become much lower, resulting in vivid characteristics of reflections.
若水合物下方的沉积物捕集了天然气，其声速会更低，由此产生的反射波具有鲜明的特点。
Furthermore, the acoustic velocity decreased linearly with the content of fruit juice, so it can be used to confirm the content of fruit juice in the dilutions.
超声声速与原果汁含量之间存在良好的线性关系，因此可以用来确定原果汁含量。
When the tunnel is excavated, the surrounding rock will be damaged and the damage zone will be formed around the profile where the acoustic velocity will weaken.
隧洞开挖以后围岩会出现损伤，并在洞周形成开挖损伤区，在损伤区范围内声波波速会出现衰减。
The variation in acoustic velocity along the borehole and the influence of blasting on excavation damaged zone (EDZ) are studied based on the in-situ testing results.
基于松动圈的现场测试结果，研究声波波速沿孔深的变化规律以及爆破施工对于松动圈的影响。
Diamond has the highest acoustic velocity, high Young's modulus and excellent mechanical and chemical properties, so have broad application in the field of acoustic devices.
金刚石具有最高的声传播速度和极高的杨氏模量，以及优异的机械和化学性能，在声学方面具有广阔的应用前景。
By directly measuring the acoustic velocity of each formation encountered in a well, the well logs and borehole seismic data can be correlated to surface seismic data more easily.
通过直接测量井中每一地层的声速度，测井记录和井中地震数据可以更容易地和地表地震数据联系起来。
After analyzing the limitation of the traditional pore pressure prediction methods, a new method based on the effective pressure theorem and the acoustic velocity model was proposed.
在分析地层孔隙压力预测传统方法局限性的基础上，提出了一种基于有效应力定理和声波速度模型的地层孔隙压力预测方法。
With the concentration of the polymer solution increasing, acoustic velocity of the polymer solution decreases, and the polymer density decreases too, but the apparent viscosity increases.
随着聚合物溶液浓度的增加，其声传播速度减小，其密度值也逐渐减小，但其表观粘度值逐渐增大。
Based on the acoustic wave sounding of the dam foundation of a water control project, the continuous ratio of J1~J4 inter layer shear zone is infered by analyzing the acoustic velocity anomaly.
以某水利枢纽工程坝基声波探测为例 ，通过声速异常分析 ，对J1～J4层间剪切带连续率进行了推定 ，其部分成果经开挖验证具有一定的可靠性。
The handle of boundary conditions and the formulation of acoustic particle velocity are given.
给出了边界条件的处理方法及声粒子速度的计算公式。
Based on the finite element analysis results of the dynamic properties of the structure, the acoustic radiation of the structure is analysed using the results of the surface velocity distribution.
在用有限元法分析结构动态响应特性的基础上，利用有限元分析得到结构表面振动速度分布，分析表面阻尼处理板结构的声辐射。
The experimental results show that acoustic resistance of perforated plate is related to plate thickness, aperture diameter, numbers of aperture, acoustic frequency and airflow velocity.
研究表明：穿孔板的声阻与孔板厚度、孔径、穿孔数目、声波频率和气流速度等因素有关。
In acoustics, the product of velocity times density, also called acoustic impedance and symbolized by z.
声学中，速度与密度的乘积就是阻抗，也称为声阻抗或波阻抗，用符号Z表示。
The amount of time for a wave to travel a certain distance, proportional to the reciprocal of velocity, typically measured in microseconds per foot by an acoustic log and symbolized by tor DT.
波在某段距离传播的时间，与速度的倒数成正比，在声测井中，以每英尺多少毫秒来量度，用符号t或DT表示。
The gain limitation of particle velocity and acoustic energy flux in the sea surface noise field and half-isotropic noise field is discussed based on orientation-exponent theoretic.
从指向性指数出发分别推导了海面噪声场条件下和半各向同性噪声场条件下质点振速检测器增益和声能流检测器增益的理论极限。
This method removes some limitations in formation pressure prediction using only seismic interval velocity or acoustic interval transit times.
该方法克服了单纯地震层速度或单纯声波时差预测地层压力的局限性。
The acoustic vector hydrophone is a new type sensor, which can simultaneously measure the pressure and particle velocity of the same point in acoustic field.
声矢量传感器是一种新型传感器，它可以空间共点，同时测量声场中的声压和振速信息。
So, the suppression method of applying non-linear transform on strong acoustic interference was proposed based on the characteristics of steady velocity.
基于声波具有非常稳定的传播速度这一特点，提出了一种利用非线性变换手段压制强声波干扰的方法。
The rock acoustic parameters in this paper include wave amplitude, spectral amplitude, spectral area, spectral density, wave velocity and attenuation coefficient etc.
这些岩石声学参数为波幅、谱幅、谱面积、谱密度、波速度、衰减系数等。
Acoustic correlation velocity measurement technology is used to make measurements of velocity relative to the seabed.
声相关测速技术可以测得舰船相对于海底的绝对速度。
An acoustic vector hydrophone measures the scalar acoustic pressure and the vector acoustic particle velocity, thus the DOA can be estimated by single vector hydrophone.
矢量水听器由于能获取声场中标量(声压)和矢量(振速)信息，因此单个的矢量水听器就可实现目标方位估计。
The sound velocity is one of the most important acoustic parameter in ocean sonar.
声速是海洋声呐测量中最重要的声学参数之一。
A new method of low intensity radiated noise measurement is shown using acoustic combined sensor and combined signal processing with pressure and particle velocity.
本文研究运用组合传感器和声压、振速联合信号处理技术进行低噪声通过特性的测量。
The acoustic field is calculated through the integral equality of acoustic pressure and velocity at the axial impedance discontinuous planes.
声场通过轴向阻抗间断面的声压和声质点速度积分相等计算。
The experiments also showed that the effect of thermal cracking on wave velocity is related closely with that on acoustic emission discovered by other authors.
实验同时表明岩石热开裂的波速效应，与过去被其他作者发现的热开裂声发射效应之间有着密切的关系。
The experiments also showed that the effect of thermal cracking on wave velocity is related closely with that on acoustic emission discovered by other authors.
实验同时表明岩石热开裂的波速效应，与过去被其他作者发现的热开裂声发射效应之间有着密切的关系。
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