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- air sound absorption materials 空气声
- Sound absorption materials is always used in controlling reverberation time in the acousti-cal design of studios. 对演播厅混响时间的控制,在声学设计上往往通过安装吸声材料来实现。
- water sound absorption materials 水声
- Inside wall of pump chamber is adhibited with sound absorption material, equipped with double layer sound isolation door. 水泵房等房间内壁贴吸声材料。采用双层隔音门。
- The paper chooses the appropriate muffler,and experiments with the capability of sound absorption material,and designs the dustproof project. 本文通过选择合适的消声器以及吸声材料实验和防尘方案的设计。
- Finally, the future of noise active control is proposed, that is design theory and method of sound interdict strap, active sound absorption and research of new absorption material. 最后,提出噪声控制工程的未来发展方向,即:声学禁带设计理论与方法,主动吸声,新型吸声材料的研究。
- Discussion for Sound Absorption Materials in EASE Modeling EASE建模中吸声材料设置的讨论
- sound absorption material and structure 吸声材料和吸声结构
- Study on cement-based wood composite sound absorption material 水泥基木梗复合吸声材料的研究
- Electrodeposition for Manufacturing the Foamed Nickel Sound Absorption Material 电沉积法制备泡沫镍吸声材料
- sound absorption materials 吸声材料
- The sound of the blades whipping through the air sounds like music. 浆叶划过天空的呼啸声就象音乐一般。
- Micro-perforated sound absorption structures proposed by Professor Maa Dah-You have got abroad application on noise reductions and isolations in air. 摘要马大猷教授提出的微穿孔板吸声结构在空气噪声降低和隔离方面得到了广泛的应用,但未见水下应用的相关研究和报道。
- The results showed that the OSB wallbord composed by OSB,air and glass wool had a good sound absorption property,specially for low frequency sound. 结果表明,由定向结构板、空气层、玻璃棉构成的复合墙体在低频率范围内会出现共振现象,吸声性能比单层定向结构板有显著的增加,但在高频率范围内变化较小;
- According to the function mechanisms, polymeric noise reduction composites were classified as vibration damping, sound absorption and sound insulation materials. 降噪材料按降噪机理可分为阻尼减振材料、声材料和隔声材料。
- A new type of sound absorbing materials mainly made from low alkaline cement and expanding pearlite has been investigated on the basis of sound absorption principle. 摘要以低?A水泥和膨胀珍珠岩为主要原料,辅之以分散性良好的增强剂聚丙烯纤维,研制出一种新型吸声材料。
- Design on orbit traffic sound control structure and development on sound absorption material 轨道交通噪声控制结构设计及吸声材料研究
- Development of Sound Absorption Material of Polypropylene Fibre Enhanced Cement-matrix 聚丙烯纤维增强的水泥基吸声材料的研制
- Development of the Sound Absorption Material Used for Noise Reduction in Highway Tunnel 公路隧道降噪用吸声材料的研制
- GRADUAL CHANGE OF IMPEDANCE FOR POLYMER MICRO-PARTICLES SOUND ABSORPTION MATERIAL 声阻抗梯度渐进的高分子微粒吸声材料