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- 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。
- 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。
- 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。
- 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。
- The thicker the shell of a warhead, the larger the attenuation exponential, and more promptly the peak pressure of explosive air shock wave attenuates with the distance. 结果表明，爆炸空气冲击波峰值随距离的衰减指数与壳体厚度近似成线性关系。
- 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
- millimeter wave attenuation quantity 毫米波衰减量
- CHARACTERISTICS OF CODA WAVE ATTENUATION IN YUNNAN AREA 云南地区尾波衰减特征研究
- Study on the Far IR Incident Wave Attenuation by the Aerosol 气悬体对远红外入射波的衰减研究
- Keywords Cavein;High pressure airflow;Ore cushion;Wave attenuation; 冒落;高压气浪;矿石垫层;消波;
- However, radio waves attenuate as they move out from the transmitting antenna. 然而，无线电波随者从传送的天线向外移动而衰减。
- Impulse,vibration and noise are ordinary troubles in hydraulic system,which is an available measure to reduce impulse noise while wave attenuator is used in the system. 液压系统的冲击、振动和噪声是系统中常见的弊端,采用消波器是减小系统冲击噪声的有效方法。
- The macroscopic epicenters distribute along Huangnitan, the meizoseismal area is small and the seismic wave attenuates fast, which reflects the sources are shallow. 震群的宏观震中位于郭家坝镇黄泥滩一带，极震区较小、地震波衰减较快，反映出该微震群的浅源特点。
- Bill wave his hand to us and then drive away. 比尔向我们挥手告别后开车走了。
- Radio2 can be heard on the long wave band. 第二广播电台可在长波段收听到。
- I am able to pick you up on the short wave radio. 我能用短波收音机收听到你的信号。
- A wave broke across the surface of the pool. 一个波浪从池水表面掠过。
