Excellent for sound absorption, insulation, gasketing pipe wrap and other applications.
尤其适用于消声、绝缘、包裹填充管等。
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。
An adaptive control approach applied to practical active sound absorption systems is presented.
研究了实际系统中有源声吸收自适应控制方案。
The undulating roof would provide sound absorption, artificial lighting and shelter for trucks.
起伏的屋顶将同时具有吸音，人工照明以及为流动餐车提供遮蔽休息区的功能。
Music classrooms need to satisfy acoustical requirements of sound insulation and sound absorption.
音乐教室要同时满足隔音和吸音的声学要求。
Methods Use a standing wave tube to measure the sound absorption coefficient of many kinds of grain.
采用驻波管法测量了多种粮食的吸声系数。
The Rayleigh Model is used to prove that the alloy honeycomb monolith has sound absorption performance.
在理论上用瑞利吸声模型证明了合金蜂窝体的吸声作用。
The study about sound absorption properties of product made of synthetic fiber is discussed in this paper.
本文介绍了目前关于合成纤维及其制品声学特性的研究状况。
Attenuation was paid to the study on the sound absorption mechanism of water-soluble polymer during dissolving.
研究了水溶性高分子涂料在其溶解过程中的吸声机理。
Sound absorption materials is always used in controlling reverberation time in the acoustical 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。
The sound absorption guiding cone is made of foam material, which can reduce the secondary noise and guide the flow.
吸声导流锥是利用泡沫塑料作吸声体，降低二次噪声，并有导流作用。
When the non-homogenous layer is divided, the sound absorption performance of the structures is increased in low frequency.
结果表明，对非均匀层进行分层后，结构在低频时的吸声性能有所提高。
It is very pivotal to choose and dispose the sound absorption material in the architecture such as odeums and cinemas, etc.
在影剧院、音乐厅等建筑中，吸声材料的选择与布置是十分关键的。
XPE foams exhibit exhibit excellent insulating qualities, sound absorption. and excellent resistance to chemicals and weather.
XPE具有优良的保温、吸音、耐化学及耐气候性能。
Foam glass has many fine properties as follows:fire proof, water proof, heat keeping and insulation, sound absorption and so on.
前言：泡沫玻璃具有防火、防水、保温隔热、 吸声等良好性能。
In applied acoustics field, the sound absorption measurement of an acoustic material and structure is always an important and basic task.
在应用声学领域，声学材料与结构的吸声测量始终是一项重要的工作。
Adding a back lining at one side of the porous metal material is an effective and workable way to improve its sound absorption properties.
而在多孔金属材料一侧添加背衬是一种提高吸声性能的有效可行的方法。
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。
Sound absorption and cooling problems are also considered. A water cooling sink is designed and made, and it shows a good performance in experiments.
还考虑了吸声和散热问题，设计和制作了一套水冷散热器，实验证明效果良好。
When the porosity and pore diameter reduced, the sound absorption curve moved to the low frequency zone and the frequency bandwidth increased at the same time.
随着孔隙率、孔径的减小，多孔铝的共振吸声系数有所下降，吸声频谱曲线向低频方向移动，且频带宽度展宽。
We applied the finite element method to study the variation of sound absorption structure and performance of rubber material under variable hydraulic pressure.
应用有限元方法计算静水压力变化下几种橡胶吸声结构的形变和吸声性能。
According to the function mechanisms, polymeric noise reduction composites were classified as vibration damping, sound absorption and sound insulation materials.
降噪材料按降噪机理可分为阻尼减振材料、吸声材料和隔声材料。
This paper derives the best range of thickness of the materials by analyzing the main factors influencing the sound absorption properties of porous metal materials.
通过分析影响多孔金属材料吸声性能的主要因素，推导出材料的最佳厚度范围；
This research provided a new technique that two procedure foaming technique to produce composite Polyurethane foam, and made a research on its sound absorption property.
采用二次发泡工艺制备出一种声学性能优良的聚氨酯多层复合泡沫吸声材料，并对其吸声性能进行了研究分析。
A novel sound absorption technology, semi-passive piezoelectric sound absorption, is presented and its performance is analyzed used electrical equivalent model in this paper.
提出了一种吸声新技术——半被动压电吸声技术，并对其进行了等效电路模型分析。
This paper aims to develop sound absorption and insulation real-time measurement system based on impedance tube, which will be applied in measurement in situ and product line.
本文旨在开发阻抗管吸声与隔声实时测量系统，使之在能够应用于生产线测量与现场测量。
In the measurement of sound absorption coefficient in random incidence and determination of sound power levels of noise sources, the reverberation room is used very extensively.
混响室是声学专业的实验室用房，它在测量声波无规入射时材料的吸声系数和测量噪声源的声功率级中得到了广泛应用。
The result shows that average absorption coefficient and noise reduction coefficient separately equal to0.58and0.60 and fine property of sound absorption at middle-low frequency.
结果表明材料的平均吸声系数和降噪系数分别达0。58和0。60，且材料的中低频吸声性能优良。
This dissertation does deep research in sound absorption performance of MR from theory and experiment aspects and indicates the sound absorption and noise reduction property of MR.
本文的研究揭示了金属橡胶材料的吸声降噪性能，对金属橡胶材料吸声特性进行了深入的理论和试验研究。
This dissertation does deep research in sound absorption performance of MR from theory and experiment aspects and indicates the sound absorption and noise reduction property of MR.
本文的研究揭示了金属橡胶材料的吸声降噪性能，对金属橡胶材料吸声特性进行了深入的理论和试验研究。
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