1.
Discussion on System of Polyurethane Underwater Anechoic Material and Research Progress in Polyurethane Anechoic Structure
聚氨酯水声吸声材料的体系探讨及其吸声结构的研究进展
2.
sound - absorbing material and sound - absorbingconstruction
吸声材料和吸声结构
3.
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。
4.
Performance of Sound-Absorbing Material Based on Flow Resistivity
基于流阻率的吸声材料声学性能研究
5.
Quality Controls of Decoration Construction of Acoustic Noise Material
隔声吸声材料的装饰施工与质量控制
6.
Use of Corner Microphone for Sound Absorption Measurement in a Reverberation Chamber
混响室中用角点传声器测量材料的吸声系数
7.
Discussion on Feasibility of Nonwoven Sound-absorbing Materials Used for Road Noise-deafening Barrier
道路声屏障用非织造布吸声材料的可行性研究
8.
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。
9.
Structure Design and Performance Control of Gypsum-Absorbing Material;
石膏基吸声材料结构设计与性能调控
10.
Damping Properties and Acoustic Properties of Nano-elastomer Materials;
纳米材料高弹体的阻尼吸声性能研究
11.
Exploration of Market Demand and Development Trend of Sound Absorption Material;
吸声材料的市场需求及发展趋势探讨
12.
Al-Cu-based sound-absorbing materials by self-propagating high-temperature synthesis
燃烧反应合成Al-Cu基吸声材料
13.
Sound Absorption Characteristics of FeCrAl Sintering Fibrous Porous Materials
烧结FeCrAl纤维多孔材料的吸声特性
14.
On the optimization of sound absorption characteristics of porous sintered fibrous metal
烧结金属纤维材料吸声性能优化研究
15.
The absorbing and insulation performance of wedge absorbor and plat insulation meterial is studied by using the model of laying medium in this thesis.
该文采用分层媒质模型,对尖劈型吸声材料及平板型隔声材料的吸、隔声性能进行了仿真研究。
16.
Preparation and Research on Acoustic Charicateristics of the Sound Abosrption Material Based on Polymer Micro-Particles as Well as Computer Simulation;
高分子微粒吸声材料的制备、吸声特性及计算机仿真研究
17.
Influence of thickness and density on sound-absorption capability of nonwoven sound-absorbing material
厚度和容重对非织造布吸声材料吸声性能的影响
18.
Research on the Measurement of Reflection Coefficients at Oblique Incidence for Stealth Material Used on Underwater Weapons;
水中兵器声隐身材料全向声反射系数测量研究