您要查找的是不是：
- sound absorption factor 吸声率
- The absorption factor and absorption rate of nitrogen were analyzed. 分析了影响氮的吸收因素和氮的吸收率。
- 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。
- AB-8 resin was selected during the experiment. After repeating 20 times,the absorption factor had only a loss of 1.45%. AB-8树脂重复使用20次后吸附率仅降低1.;45%25;
- 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。
- 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 average particle diameter of CSF was smaller than those of SRF and HAF, and its specific surface area and DBP absorption factor was higher obviously than those of the latters. CSF炭黑的平均粒径小于SRF和HAF,但其表面积和DBP吸油值明显高于后者。 CSF炭黑对天然橡胶、丁苯橡胶、丁腈橡胶、氯丁橡胶的补强效果与SRF相当,其配合量应小于50份。
- 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；
- 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。
- In this article,the courses of absorption and excretion of alcohol through bodies is simplified to general house models,and the conceptions of absorption factor and excretion factor are defined. 把人体对酒精的吸收、排放简化为一般的房室模型;提出了吸收因子、消除因子的概念.
- 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。
- 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。
- Micro-perforated sound absorption structures proposed by Professor Maa Dah-You have got abroad application on noise reductions and isolations in air. 摘要马大猷教授提出的微穿孔板吸声结构在空气噪声降低和隔离方面得到了广泛的应用，但未见水下应用的相关研究和报道。
- The sound absorptivity of Low Resilience PU Foam was discussed,and got the influencing degree of each influencing factor to its acoustical absorptivity. 对慢回弹聚氨酯泡沫的吸声性能进行了探讨，分析出各影响因素对其吸声性能的影响程度。
