1) wall coefficient
墙壁吸声系数
2) sound absorption coefficient
吸声系数
1.
A model of sound absorption coefficient based on damped harmonic oscillator and its application
基于阻尼谐振子的吸声系数模型及其应用
2.
The sound absorption coefficient of the material was tested by standing wave tube method.
采用驻波管法测试材料的吸声系数。
3.
The effect of thickness and density of the melamine foam on the sound absorption coefficient was analyzed by impedance experiment.
结果表明:材料厚度对其吸声性能的影响较大,密度对吸声性能只在频率400 Hz以下略有影响;三聚氰胺泡沫塑料较纤维材料低频(<1 kHz)吸声系数低,中高频(≥1 kHz)系数高;与聚氨酯泡沫塑料相比,低频(<1 kHz)吸声性能相当,中高频(≥1 kHz)吸声性能较佳。
3) absorption coefficient
吸声系数
1.
The method to surveying the material sound-absorption coefficient in a scale reverberation chamber;
缩尺混响室中测量材料吸声系数的方法
2.
Calculation of absorption coefficient of the multiple-layer absorbers;
多层吸声材料吸声系数的理论计算
3.
Influence of depth and cavity shape on absorption coefficients of sound-isolating decoupled tiles;
水深与腔型对隔声去耦瓦吸声系数的影响
5) Sound absorption
吸声系数
1.
The sound absorption property of the samples were studied.
实验显示,当吸声板密度为382kg/m3、厚度为50mm时,平均吸声系数最大为0。
6) sound-absorption coefficient
吸声系数
1.
A miniature acoustic pulse tube introduced in this paper may determine sound-absorption coefficient, sound-reflection coefficient and sound-trasmission coefficient of rubber goods and sample in laboratory.
本文介绍的一种小型声脉冲管装置可以在试验室对橡胶制品和试样的吸声系数，反声系数和透声系数进行测定。
2.
The results show that the sound-absorption coefficient increases with material thickness and this relationship is more distinct for low-mid frequencies than for high frequencies.
结果表明,吸声系数随着厚度增加而增加,且对中低频声波吸声系数的提高比对高频声波显著。
补充资料：墙壁
1.亦作"墙壁"。 2.院子或房屋的四围。多以砖石等砌成，垂直于地面。 3.喻赖以依靠的人或力量。
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