... 五、胶粘材料 Adhesive 六、隔音结构 Structure of sound insulation 金属蜂窝复合吸音板的构造为面板冲孔与背板冲孔；背贴进口SoundTex防火吸音纸，降噪系数NRC≥0.7。 ...
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The sound insulation property of aluminum foam(Al-foam) with composite structure was studied using a self-made equipment and sound detector.
采用自制的试验装置对泡沫铝与实体铝复合结构的隔声性能作了研究。
This structure has the advantages of lightening self-weight, strengthening floor slab rigidity, improving sound insulation and reducing structure cost.
此类结构具有减轻自重、增加楼板刚度、提高隔声效果和降低结构造价等优点。
To fabricate wood structure walls with good sound insulation, the paper studied the influences of building details on the sound insulation of wood structure walls.
研究表明，影响木结构墙体隔声的因素有墙板的面密度、墙骨的规格和间距、玻璃纤维棉的容重和厚度。
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