1) longitudinal wave velocity
纵波波速
1.
The longitudinal wave velocity,density,Young’s modulus and peak stress of rocks were analyzed.
对经受不同高温后熔结凝灰岩、花岗岩及流纹状凝灰角砾岩的波动特性进行了研究,分析比较了三种岩石纵波波速、密度、弹性模量及峰值应力随经历温度的变化规律,并研究了纵波波速与密度,纵波波速与弹性模量,纵波波速与峰值应力的关系。
2.
The scope of this research includes(1) the variation of peak stress,peak strain and elastic modulus with temperature,and(2) the relationship between longitudinal wave velocity and peak stress and peak strain.
通过单轴压缩试验,对不同高温后熔结凝灰岩、花岗岩及流纹状凝灰角砾岩的力学性质进行了研究,分析比较3种岩石峰值应力、峰值应变及弹性模量随温度的变化规律,并研究了峰值应力与纵波波速、峰值应变与纵波波速的关系。
3.
Using SYC-2 type supersonic wave test instrument and 20 kHz energy transducer,the authors are able to measure the longitudinal wave velocity of frozen silty clay under different temperature and moisture conditions.
用SYC-2型超声波测试仪和20 kHz超声换能器实测了不同温度和不同含水率下冻结粉质粘土的纵波波速,对实验数据进行了分析。
2) P-wave velocity
纵波波速
1.
0 MPa confining pressure,and through measuring 19 core samples of water-saturated sand in Daqing Oilfield,a set of complete and reliable data,such as P-wave velocity(v 0),pressure coefficient of wave velocity(a v),temperature confficient(b v),and quality factor( Q,including P-wave quality factorQ 0),pressure coefficient(b q)and temperature coefficient for pressure coefficient(c q))has been got.
温压条件下水饱和砂岩岩样纵波波速和衰减的测量与规律 。
3) compressional wave velocity
纵波速度
1.
Based on actual core data,the experimental studies were conducted to investigate the relationships of compressional wave velocity and shear wave velocity(P-wave and S-wave) with porosity and fluid types using sandstone core samples.
结果表明,饱和不同流体岩石的声波速度不同,岩石饱和气时的纵波速度明显低于饱和油、水时的纵波速度,并且孔隙度相同时岩石饱和油时的纵波速度略大于饱和水时的纵波速度,孔隙流体类型对横波速度的影响较小。
2.
The hydrated sediments have low heat conductivity and high compressional wave velocity compared to those of the surrounding unhydrated sediments.
目前大多通过双相介质理论的纵波速度来估计水合物和游离气的饱和度。
3.
The olivine crystal size distribution and compressional wave velocity of trachybasalt from the Qinling-Dabie orogenic belt are measured.
对化学成分、矿物成分、矿物含量及矿物定向性相近的4块新生代粗面玄武岩样品进行了橄榄石晶体大小分布和高压条件下纵波速度测量,讨论了晶体大小分布对高压条件下岩石纵波速度测量的影响。
4) P-wave velocity
纵波速度
1.
Regional characteristic analysis of P-wave velocity and deep oil-gas in the northern Songliao basin;
松辽盆地北部纵波速度区域特征分析及深层油气问题
2.
A P-wave velocity and poisson ratio nonlinear inversion method;
一种同时反演纵波速度和泊松比的方法
3.
The relation between density and P-wave velocity of rocks in Jiyang Depression;
济阳坳陷岩石密度与纵波速度的关系
5) compressional velocity
纵波速度
1.
And continuous measurements of compressional velocity and shear velocity were made in the course of displacing.
结果表明:水驱至含水饱和度极限时,岩心纵波速度平均增加7。
6) Longitudinal wave velocity
纵波速度
1.
Based on the measurement results, the elastic modulus and the longitudinal wave velocity of diabase and argillaceous limestone are organized and regressed to calculate their correlation.
百色水利枢纽消力池的工程地质条件复杂,在施工详图设计阶段对其进行专门勘察时做了大量的钻孔变形参数测试和声波测试,利用钻孔变形参数测试和声波测试结果,对辉绿岩、泥质灰岩的弹性模量和纵波速度进行整理、回归,求出其相关性。
2.
The longitudinal wave velocity, transversal wave velocity and blastability are measured in samples of frozen clay and sand under the temperature of -7℃, -12℃ and -17℃ respectively.
从理论上分析了人工冻土波速与爆破性的关系,进行了冻结砂土、冻结粘土在3个不同温度下(-7℃,-12℃,-17℃)的纵波速度、横波速度和冻土爆破性试验。
补充资料:波速
波传播的速度。①单色波的波速v与波长λ、波源振动频率f之间的关系为:v=λf。机械波的波速由介质的弹性模量和密度所决定。在室温下,声波在空气中的传播速度约为340米/秒;电磁波在真空中传播的速度等于光速,约为3×108米/秒。②海浪波速(c)的大小取决于波长(λ)或海区水深(h)。当海区水深很大时,波速仅与波长有关,而与水深无关,即为c2=gλ2π;当海区水深很小时,波速仅与水深有关,而与波长无关,即为c2=gh。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条