您要查找的是不是：
- 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。
- 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。
- 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
- water sound absorption materials 水声
- 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
- Discussion for Sound Absorption Materials in EASE Modeling EASE建模中吸声材料设置的讨论
- 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
- Keywords sound absorption material;sound absorption construction;microperforated panel;fibreless; 吸声材料;吸声结构;微穿孔板;无纤维;
- sound absorption material 吸声材料
- 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.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。
- Covers the disposition in the trailing wheel to have the sound absorption effect material, reduces the grit, Shui Pojian the noise. 在后轮罩配置具有吸音效果的材料，以降低沙石、水泼溅的噪音。
- This thesis selects hydrotalcite as selective IR absorption material by its characters of layer and ion-exchangeable. 本论文利用水滑石层状结构特点和层间离子的可交换性，将其作为选择性红外吸收材料。
- It indicates that straw-based wallboard has characteristics of low density, good heat insulation and sound absorption. 笔者综述了3种墙体材料生产工艺、产品性能及其用途的研究现状和发展趋势。
