In this thesis, the acoustic characteristics of underwater anechoic coating are studied and analyzed by the OOFEM—Object-Oriented Finite Element Method.
本文主要用面向对象有限元方法(Object-Oriented Finite ElementProgramming——OOFEM)研究了水声吸声覆盖层的声学特性。
The Study of the Theory for a New Functional Type of Underwater Sound Absorption Coating;
新型功能性水声吸声覆盖层机理研究
The Research on the Acoustic Characteristics of Underwater Anechoic Coating by OOFEM
用面向对象有限元方法研究水声吸声覆盖层声反射特性
A review of underwater anechoic coating structure and absorption theories
水下吸声覆盖层结构及吸声机理研究进展
When the backing is a double-shell, the water layer causes obvious modulation phenomenon to the absorption coefficient curve.
背衬为双层壳体时，水层对吸声覆盖层的吸声系数曲线有明显的调制现象。
Computation of Acoustic Characteristics of Seawater Muffler with Waterproof and Sound Absorption Layers
内覆防水吸声层的海水消声器声学性能计算
Study on Low-frequency Characteristic of Sound Absorption Layer by Embedding Viscoelastic Coated Material
嵌入粘弹性包覆层的吸声覆盖层低频性能研究(英文)
Effects of hydrostatic pressure and damping material on acoustic radiation of cylindrical shell
静水压与阻尼覆盖层对圆柱壳声辐射的影响
Acoustic and Anti-shock Capability Research of the Acoustic Layer Structure;
声学覆盖层结构声学及抗冲击性能研究
Research on Measuring Sound Impedance of Anechoic Coating and Predictions in Sound Reflection of Composite Structure;
声学覆盖层声阻抗测量方法及复合结构声反射预报研究
The Influence of Land Covering on the Traffic Noise Attenuation;
地面覆盖物对交通噪声衰减量的研究
To cover with a thin protective layer.
覆盖以薄的保护层覆盖
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。
To cover or surround with mulch.
覆盖用覆盖层覆盖或包围
percolised hose
衬里渗透水带衬里和覆盖层
The water filmed over with ice.
水面上被一层薄冰覆盖着。
Research on p～y Curve for Horizontal Loaded Piles in Hallow Layer Clay;
浅覆盖层中水平荷载桩P-Y曲线研究
sound-absorbing perforated asbestos cement panel
吸声带孔石棉水泥板
Study on the Reasonable Overburden Depth for Subaqueous Rock Tunnel
岩石地层水底隧道合理覆盖层厚度研究