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- A new type of porous sound absorbing material was made from super-strength gypsum and glass fiber. 摘要以高强石膏为胶凝材料,内掺玻璃纤维,制备出一种新型多孔吸声材料。
- Sound Absorbent Material Made from Waste of Polished Brick 抛光砖废料制备吸音材料
- A new sound absorbing material that is good in sound absorbing at the low frequency and high frequency is made from PVC and rockwool in this paper. 利用PVC和无机物等研制了一种性能优良的吸声材料。
- A new type of sound absorbing material was made from super-strength gypsum and glass fiber and the sound absorp-tion coefficient of the material was tested by standing wave tube method. 以高强石膏为主要原料,内掺玻璃纤维,在发泡剂的作用下,制备出一种新型多孔吸声材料,采用驻波管法测试材料的吸声系数。
- This compound materials used in absorbing material is with sound absorbing function and light quality, wide band, good compatibility and strong inoxidizability. 这种复合材料用于吸波材料,它不仅具备良好的吸波功能,还兼备质量轻、宽频带、兼容性好和耐腐蚀性强等优点。
- Modeling and numerical study on a new type of composite sound absorbent material 一种新型复合材料吸声的理论建模与仿真
- A new cement was prepared which consisted of the composite porous sound absorbing material with portland cement, expanded perlite, ceramsite as main raw materials and some supplementary substances. 摘要以普通硅酸盐水泥、膨胀珍珠岩、陶粒主要原料,加以一定的辅助材料,研制出一种新型水泥基复合多孔吸声材料。
- 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。
- To soak up or dry with absorbent material. 吸收,吸掉用可吸收物质吸干或吸掉
- RESEARCH ON FOAMED PVC-COMPOUND SOUND ABSORBING MATERIAL 聚氯乙烯基混合吸声材料的研究
- sound absorbent material 吸音材料
- effective porosity of sound absorbing materials 有效空隙率
- The plastic overlaps the absorbent material by about an inch at the front and back of the diaper. 塑料盖过吸水材料前后各一寸。
- This is like smoked glass and other highly absorbent materials. 这就如同烟色玻璃或者其它强吸收特性的材质。
- Influence of the Structural Form of Sound Absorbing Material on the Behavior of Sound Absorption 吸声材料构造形式对吸声效果的影响
- A small, usually square cloth of absorbent material used for washing the face or body. 洗脸巾,浴巾用于洗脸或身体的用吸收性材料制成的小的、常为四方形的布巾
- Standard Specification for Fibrous Glass Duct Lining Insulation (Thermal and Sound Absorbing Material) 绝热和隔音材料(玻璃纤维,管道衬里材料)
- An absorbent material, such as granulated clay, for covering the floor of an animal's cage or excretory box. 粗沙粒为动物的笼子或排泄箱铺地的吸收性物质,如颗粒状粘土
- Equivalent Specific Acoustic Resistance of Sound Absorbing Materials 吸声材料的当量声阻率
- Ceilings shall be constructed of a rigid, smooth faced, non absorbent material and be washable. 天花板应采用坚固、平整、无吸附、可洗涤的材料。
