吸声面积 sound absorption area英语短句 例句大全

吸声面积,sound absorption area

equivalent absorption area等效吸声面积

3)Sabine equivalent absorption area赛宾等效吸声面积

4)sound-absorbent wall吸声墙面

1.Taking the construction of the perforated aluminum alloy panelsound-absorbent wall of the machinery room in Education Commissions Complex Building as an example,the author introduces the construction methods of fixed part and the technology of perforated aluminum alloy panelsound-absorbent wall.以教育部综合办公楼工程的机房铝合金穿孔板吸声墙面施工为例,介绍其固定件及吸声墙面的做法。

5)acoustic tile吸声面砖

6)absorption area吸收面积

延伸阅读

吸声分子式：CAS号：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。