基于共振声谱法，研究了同轴孔隙性圆柱扰动体引起圆柱谐振腔共振频率的偏移。
In this paper, the problem of the acoustic resonant frequency shift of a cylindrical cavity with a coaxial porous sample is discussed on the basis of the resonance acoustic spectroscopy.
扰动因子向量的方向与材料单元体应力主方向相同。
The orientation of disturbance factor vector is the same as that of vector of material unit stress.
隧洞断面宜采用曲线形状； 宜采用控制爆破全断面开挖，减少对围岩的扰动以保持岩体自承能力；
The tunnel section is advised to adopt curved shape and full-face excavation by controlled blasting to reduce disturbance on surrounding rock and maintain its self-supporting capability.
根据差异界面、扰动效应和尖端效应等原则并结合具体的边界条件，判别目标体的存在与否以及存在的大致空间形式。
Then to distinguish that there are or not objectives and their approximate space shape is based on some principles such as differential interface, disturbed effect, point response, etc.
本文采用一种新方法测量软弱岩体中的初始应力和扰动应力场。
A new method is presented to measure the in-situ stresses and disturbed stress field.
热尘埃等离子体中的非线性尘埃声孤波在高阶横向扰动下是稳定的，且尘埃颗粒的温度、低温离子和高温离子的温度和数密度影响尘埃声波的性质。
The temperature of dust grains, low temperature and high temperature ions and the number densities of the ions influence the property of dust acoustic waves.
根据表面质点响应中瑞利波和反射体波能量分配分析表观相速度扰动机制，讨论振源、测点、洞穴三者相对位置及频率对表面波表观相速度影响。
Mechanism of disturbance of apparent phase velocity is analyzed from distribution of energies of Rayleigh waves and the reflected body waves in the responses.
考虑束-离子通道边界上等离子体电子可能发生的扰动，导出了TM模本征方程的理论式。
Considering the disturbance of the plasma electrons at the beam-ion channel boundary, the eigen-equation of TM mode has been derived.
城市化已引起大量痕量气态污染物、气溶胶以及臭氧前体物的人为排放，从而引起区域大气化学循环的扰动变化。
Urbanization has caused a large amount of emissions of trace gaseous pollutants, aerosols and ozone precursors, inducing the disturbance in regional atmospheric chemistry circulation.
论文第二章研究了等离子体中横向扰动下的(3 +1)维弱非线性离子声波，得到了描述离子声孤波的(3 + 1)维kp方程。
In chapter two, the (3 + 1) dimensional weakly nonlinear ion acoustic wave at higher order transverse perturbations in plasma was discussed and described by the Kadomtsev-Petviashvili (KP) equation.
地面入射的大功率无线电波能加热电离层等离子体，引起电离层电子温度和密度的扰动，实现电离层的地面人工变态。
The terrestrial ionospheric plasma can be heated by a powerful ground-based high-frequency radio wave, which results in the disturbance of the electron temperature and density.
目前，尘埃电荷扰动是等离子体的热门研究课题之一。
Nowadays, dust charge fluctuation is one of interesting topics in studying plasmas.
研究了镁合金熔体在半固态温度区间进行不同扰动处理后铸件的组织特征。
The microstructure of magnesium alloy melt under different disturbed treatment in semisolid state was studied.
采用数值方法分析了复杂应力条件下动力扰动对深部岩体破坏模式的影响。
The mechanical response of deep rock pillar, which is under complicated stress condition and then subjected to dynamic disturbance, is numerically simulated.
试验验证表明：考虑扰动影响的弹塑性模型可以很好预测相应扰动状态下的砂土应力—应变—体变关系。
The test results show that the proposed model can well describe the strength-strain-volume change relations of sands at a given disturbed state.
现场岩体变形试验时，试验点部位岩体由于受卸荷、松弛影响，表层岩体变形性能与深部未扰动岩体变形性能存在差异。
When plate loading test is carried out, the deformation properties of surface layer will be different from that of inner layer because of the existence of disturbance.
通过矩阵变换，得到隧道围岩体扰动应力、应变和位移的解答函数式。
By matrix transformation, the solutions of surrounding rocks disturbance stress, strain and displacement are obtained.
电子输运由中心位置向等离子体边缘靠近时，温度扰动分布函数在逐渐的减小。
When electronic transport to plasma edge position, the temperature perturbation distribution function is reduced.
电子输运由中心位置向等离子体边缘靠近时，温度扰动分布函数在逐渐的减小。
When electronic transport to plasma edge position, the temperature perturbation distribution function is reduced.
应用推荐