消声材料 meaning in Chinese
deadener
Examples
- 1 drawer fronts are at least 3 / 4 inch thick with double wall construction , painted prior to assembly and sound deadened
抽屉面板有3 / 4英寸厚，两层结构。装配前各面喷涂完毕，抽屉内有消声材料。 - The porous ceramics is a line of ceramic materials with porosity ; the pores are communicated up to the surface of the ceramic body
是一类体内含有大量彼此相通并与材料表面贯通的孔道结构的陶瓷材料，可用于过滤与分离、布气、催化剂载体、洁净燃烧、消声材料、隔膜材料等。 - It is the propose of this paper to develop a method to reduce the noise level of ma60 apu without more weighting and other infection on airplane . to accomplish this object , a new type of micro perforated absorber is used
针对新舟60飞机apu本身的结构和环境特性，我们采用一种新兴的环保型消声材料-微穿孔板为上要吸声结构完成降噪设计。 - The porous diffusion type silencer is widely used to reduce the air flow noise because of its small volume and high noise attenuating ability . the out case of the silencer plays a very important role in reducing noise . the effect of the hole ' s shape , diameter and the distance between neighboring holes as well as the matchup between the case and the sound absorbing material tube are investigated experimentally . the relation between the out - flow noise and the gas velocity distribution is carefully studied for two different kinds of matchup between the case and the sound absorbing material tube . some useful results are gotten , which may be valuable to the design of the silencer
多孔扩散型消声器由于其体积小、消声性能高而广泛应用到排气噪声的降低上，其外壳对消声器的消声性能具有重要作用.本文对此类消声器外壳的孔型、孔径和孔距以及外壳同消声材料的配合方面进行了细致的实验研究，特别对外壳与消声材料的配合与其排放噪声以及外部流场之间的关系进行了探讨，得到了一些有用的结论，对消声器性能的提高具有一定指导意义。