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- Standard Practices for Mounting Test Specimens During Sound Absorption Tests 声音吸收试验时试样的安装
- sound absorption test 吸音试验
- 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。
- 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。
- 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。
- 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。
- Research on the working mechanism of aerobic biological selector was done through sludge absorption test of soluble organic matter and kinetic parameters analysis. 并通过污泥对溶解性有机物的吸附试验和动力学参数的分析对好氧生物选择器的工作原理进行了探讨。
- 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。
- Recovery of intestinal function could be judged according to D2 xylitol absorption test and blood drug level of FK506.Conclusion Recovery of gastrointestina... 结论手术后胃肠道功能恢复是一个漫长而困难的过程,临床表现和FK506血药浓度、D2木糖醇吸收试验是监测移植肠功能的简便实用方法。
- 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
- Methods The blood level of BUN was detected,the state of gastrointestinal tract funtion was analyzed according to D2 xylitol absorption test and the blood drug level of FK506. 方法检测血BUN、FK506血药浓度及D2木糖醇吸收试验,分析胃肠道功能情况,及时调整免疫抑制药物剂量和胃肠道内、外营养供给。
- 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;
- 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。
- What is the purpose of the light absorption tests for benzylpenicillin sodium? 本品吸收度检查的意义是什么?
- 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。
- Numerical and emulational results of sound absorption coefficient from some typical structures are presented. 给出了一些典型结构的吸声系数的仿真结果。
- Report on the Determination of Sound Absorption Coefficients of a Renhurst Rippletone Ceiling System in a Reverberation Room. 怡谱佳吊顶声学混响室法吸音系数报告。