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- 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
- sound absorption measurement 吸声测量
- Reverberation room is the special test room that is used in acoustics, 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. 摘要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 overall situation, sound quality design, construction of building and decoration materials, acoustic measurement, sound absorption of seats, and other relevant issues are introduced. 介绍了北京音乐厅的总体情况、音质设计、建筑装修材料构造、声学测量、座椅吸收以及其他有关情况。
- Preliminary study on applications of vector hydrophone in underwater sound absorption coefficient measurement[A]Proceedings of 6th International Symposium on Test and Measurement(Volume 3)[C], 2005 . 尚建华;张明敏.;柱面波分解测量反射系数的一些分析[A]中国声学学会2007年青年学术会议论文集（上）[C];2007
- It indicates that straw-based wallboard has characteristics of low density, good heat insulation and sound absorption. 笔者综述了3种墙体材料生产工艺、产品性能及其用途的研究现状和发展趋势。
- Difference absorption measurement and wavelength modulation harmonic mea- surement are two fundamental approaches for gas light absorption detection. 差分吸收检测和波长调制谐波检测是气体光吸收检测的两种基本方法。
- Horniness beaverboard sound absorption, waterproof properties is good, hard usage, construction is convenient. 硬质纤维板吸声、防水性能良好，坚固耐用，施工方便。
- Photoacoustic absorption measurement of intrinsic GaAs by laser heterodyne at high temperature of 500K was made for the first time. 用激光外差法在温度500K下获得了本征GaAs的光声吸收测量。
- Its good characteristics include low cost, high durability and good property of sound absorption. 它具有成本低、耐久性高、吸声性能好的特点。
- The interaction of CSU-A with chalcopyrite and pyrite was studied by mineral flotation test, absorption measurement and infrared spectrum analysis. 通过矿物浮选实验、吸附量测试以及红外光谱分析;研究CSU A与黄铜矿和黄铁矿相互作用的规律.
- 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。
- The most probable pore diameter of an unsupported composite membrane was about 4.3nm as characterized by nitrogen isothermal absorption measurement. 用等温氮气吸附实验测定了非担载膜的孔径大小和分布;最可几孔径约为4.;3nm。
- The sound absorption property of eucalypt wood of 0.5 cm in thickness is much better than that of 1.0 cm in thickness. 0.;5厘米厚的锯材的吸声性能好于1
- The sound absorption coefficient of three kinds OSB wallboard were tested by the stationary wave method. 采用驻波管法测定了3种定向结构板(OSB)复合墙体的吸声系数；
- For absorption measurement of large-aperture optical coatings, a novel method of imaging photothermal microscopy based on image lock-in technique is presented. 为测量大口径光学薄膜器件的吸收,提出了一种新的基于图像锁相技术的成像光热检测法。
- In the light stamen and pistil heart the flow butterfly sucks the sound absorption. （只要意思接近）翻译：“挥去快乐的天堂时光，而坠入诱惑的梦想世界。
- The function of the curtain is sound absorption, sound insulation, adiabatic above all, prevent cold, adjust the light. 窗帘的功能首先是吸声、隔音、隔热、防寒、调节光线等。
- Sound absorption materials is always used in controlling reverberation time in the acousti-cal 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 aim was to research the sound absorption properties of graded polyurethanes at different incident angles. 主要研究梯度聚氨酯在全入射角下的吸声性能。
