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1)  ultrasonic resonance absorption
超声共振吸收
2)  The noise absorption and reverberation
吸声共振
3)  resonance acoustic absorption
共振吸声
1.
The results show that the acoustic absorption properties of closed cell polyimide foams have the typical resonance acoustic absorption characteristic.
结果表明,闭孔聚酰亚胺泡沫具有共振吸声特点;对闭孔聚酰亚胺泡沫的吸声系数进行了理论推导,研究了泡沫厚度对泡沫吸声性能的影响,分析了聚酰亚胺泡沫的吸声理论;采用闭孔泡沫与开孔泡沫组合后,泡沫整体吸声性能显著提高。
4)  resonance absorption
共振吸收
1.
Ions trapping and detection of radio frequency resonance absorption;
离子囚禁技术与射频共振吸收检测囚禁N_2~+离子
2.
Relativistic effects on resonance absorption in laser_plasma interaction;
相对论效应对激光在等离子体中的共振吸收的影响
3.
Accordingly,the intensity of resonance absorption is obviously enhanced.
发现Ag颗粒的曲率越大,颗粒层间的台阶越宽,颗粒费米能级上的电子数目越多,共振吸收相应地增强。
5)  resonant absorption
共振吸收
1.
A experimental tentative idea for detection Neutrino by resonant absorption law of the matter to rays;
用物质对射线的共振吸收法探测中微子的实验设想
2.
Working principles and specifications of a liquid film resonant absorption mechanical spectrometer were presented.
自行研制了液体膜切变波共振吸收谱仪,给出了该仪器的工作原理和技术指标,应用该仪器对厚度为0。
3.
The excitation of plasma waves, the acceleratioin of electrons and the generation of suprathermal electrons in the processes of laser plasma resonant absorption have been simulated using the developed two dimensional multi time scale fully electromagnetic relativistic particle simulation computer code.
用二维多时标全电磁模相对论粒子模拟程序,对共振吸收中等离子体波的激发,电子的加速以及超热电子的产生进行了模拟计算,给出了合理的物理图
6)  absorption resonance
吸收共振
补充资料:吸声
分子式:
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性质:声波通过某种介质或射到某介质表面时,声能减少或转换为其他能量的过程称为吸声。表征材料吸声性能的参数是吸声系数(acoustical absorption coefficient),即被材料吸收的声能与入射声能的比值。吸声系数大于0.2的材料称为吸声材料(acoustical absorption materials)。常用的吸声材料有玻璃棉、矿渣棉、卡普隆纤维、棉麻等植物纤维、泡沫微孔吸声砖等。

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