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- In this paper,nuclear explosion X ray spectra,initial parameters of the pulse stress waves in aluminium exposed to the X rays and stress wave attenuation along the thickness are estimated by using some simple analytical models. 并以简化模型估算了核爆X射线谱的特征、X光辐照铝靶产生的脉冲应力波的初始参数及其沿铝靶厚度的衰减特性
- stress wave attenuation 应力波衰减
- In this paper, the attenuation phenomenon of stress wave transmitted through a fractured rock specimen has been studied by the method of the Split-Hopkinson bar. 本文用 Split-Hopkinson 压力杆装置研究了应力波通过破裂岩石试件的衰减现象。
- Influence of Acoustic Wave Attenuation on the Properties of Fiber AOTF[J]. 引用该论文 厉群;刘小明;李佟;金韬;周炳琨.
- The millimeter wave attenuation of expanded graphite is a comprehensive actions of scattering and absorption. 膨胀石墨蠕虫对毫米波的衰减为散射和吸收作用的综合结果。
- Wave attenuation properties of rectangular pontoon breakwater were analyzed with eigen-function expansion. 利用特征函数法对矩形浮箱式防浪堤的消浪性能进行分析。
- In this method, Stoneley wave attenuation from AC log is divided into two parts: attenuation through porous media and percolation attenuation through pore-fluid. 该方法把由声波测井数据得到的斯通利波衰减分为介质内衰减和孔隙流体渗流衰减两部分。
- ATTENUATION LAW OF STRESS WAVE IN THE BUKIT TIMAH GRANITE 粗粒花岗闪长岩中应力波的传播衰减规律
- The paper analyses the stress wave propagating in a variable section bar using HONDO finite element computer program . 利用HONDO有限元程序对应力波在变截面杆中的传播进行了分析。
- Acoustic emission (AE) is stress wave produced when the materials are distorted, or under the outside load. 众所周知,声发射(AE)是材料在受到形变或外力作用时,迅速释放能量而产生的瞬态应力波,是进行结构诊断的重要依据。
- The mechanism of spallation is analyzed as a result of the interaction of the unloading wave and reflected stress wave. 分析了层裂机制，得出靶材是在卸载波及被反射的压力波的共同作用下发生层裂;
- The paper analyzes the reasons for emulsion explosive's passivation by the action of blasting stress wave. 文中分析了爆炸应力波作用致使乳化炸药钝化的原因。
- It is shown that the irregularity of the joint surface apparently affects the stress wave transmission. 研究结果表明：节理面不规则结构明显地影响应力波的传播性质。
- Ultrasonic wave attenuation measure is an important method of researching the energy absorptance of rock. It relates with the variation of rock microcrack and is one of subjects to be researched continuously in rock area . 声波衰减是研究岩石能量吸收性质的主要方法，它与岩石内部微裂纹及其变化有着密切联系，是岩石领域需要深入研究的课题之一。
- attenuation principle of stress wave in the body of a pile 桩身应力波衰减规律
- It is also shown that there is a minimum shothole depth for given conditions including thickness and lithology of shot layer, low end frequency of effective signal, and wave attenuation steepness in time domain. 结果表明 ,对给定的激发层厚度、岩性、有效信号低端频率和波的时域衰减陡度 ,存在一个最小井深 Hmin。
- This paper presents a signal de-noising method using wavelet analysis in stress wave detection. 介绍了一种适合于管道应力波检测的基于小波变换的去噪方法。
- The interreaction between the weight hammer and the explosive sample is analysed making use of the stress wave theory. 从刚体动力学观点将这种相互作用简化为二阶系统,可得到一组关于应力、应力率和应力脉冲宽度的表达式。
- Fourier-transform-infrared(FTIR) and millimeter wave(MMW) are applied to study the ele- ctromagnetic waves attenuation by the aqueous foams. 摘要 采用傅里叶变换红外透射光谱法和毫米波反射截面及透射率法，研究了水基泡沫的电磁波衰减性能。
- Stress can be the undoing of so many fine players. 紧张可能是这许多优秀选手失败的原因。
