吸音材料

二次加固对复合针刺吸音材料结构和性能影响的研究

Structure and Performance Influence Research for Second-reinforced Composite Needle-punched Acoustical-absorbent Material

墙壁和天花板使用了吸音材料。

Sound absorbing material has been used in walls and ceiling .

国家大剧院壳体屋面吸音材料喷涂施工技术

Spraying construction of sound-absorptive material on shell roof of National Grand Theater

利用陶粒制备地铁吸音材料

To use ceramisite in acoustic material for underground tunnel

静音箱采用了S形进排风结构，采用二级加重消音器，箱体内侧采用了高级吸音材料。

Our mute tank adopts S-shaped intake and exhaust air structure with two heavier mufflers .

在多孔内管和外壳体中间填充有吸音材料和耐热蓄热材料。

Acoustic material and heat-resisting heat-storing material is filled in the porous inner tube and the housing body .

吸音材料的结构使得它与声波的接触面积增大，具有更好的吸音效果。

The structure of the sound-absorption material increases the contact area with the sound wave , thereby having better sound-absorption effect .

对近场拖车的型式、结构、尺寸、吸音材料以及传声器和噪声测量分析系统进行了详细的设计。

The type of trailer 、 structure 、 size 、 sound-absorbing materials and microphones and noise measurement analysis system were designed specifically .

本文利用轻质陶粒、水泥、珍珠岩和粉煤灰为主要原料，辅以造孔剂和防水剂，采用一般混凝土的成型方法研制成一种新型无纤维多孔吸音材料。

In this paper it took light ceramic globule , cement , perlite and fly ash as the main material , vesicant and the waterproof as the additive , produced a kind of porous material without fibre by the method of common concrete 's molding .

纤维集合体，简称纤维体，为多孔、轻质、柔软的吸音隔声材料，已被广泛地应用于各类内饰和隔绝材料。

Fiber assembly , referred to the fibrous body , is a porous , light , soft , sound-absorbing insulation material , and it has been widely used in various interior and the insulation material .

本实用新型涉及吸音、隔音材料技术领域，特指一种麻纤维吸音棉。

The utility model relates to the sound absorbing , sound insulation material technique field , in particularly a bastose sound absorbing cotton .