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- Test Method for Laboratory Measurement of Airborne Sound Transmission Loss of Building Partions and Elements 建筑物隔墙和构件的气载噪声传输损耗的实验室测量的试验方法
- Test Method for Laboratory Measurement of Airborne Sound Transmission Loss of Building Partitions 实验室测量建筑隔墙的空气声音传输损失的试验方法
- Standard Test Method for Laboratory Measurement of Airborne Sound Transmission Loss of Building Partitions and Elements 楼房隔墙对空中声音传播损耗的实验室测定方法
- airborne sound transmission 空气中声传输
- Sound transmission in middle ear and microphonic potential. 中耳传音功能和微音器电位。
- The three methods have the high reliability to the airborne sound target, may as the sorter input. 三种目标提取方法在对空中目标声信号的特征提取均具有较高的可靠性,可作为分类器的输入。
- Acoustics. Measurement of sound insulation in building and building elements. Part 10: laboratory measurement of airborne sound insulation of small building elements. 声学。建筑物和建筑元件隔音测量。第10部分:小型建筑物元件气载噪声隔离的试验室测量。
- Osteo uses the principle of osseous sound transmission, background noises are filtered out effectively. Osteo使用骨的原则声音输送,背景噪音被有效地滤出。
- After being analyzed with FEM, impedance tube method was introduced to measure sound transmission loss(STL) of glass. 在有限元分析基础上,采用了驻波管法对小样品玻璃进行隔声量测量。
- Tough PVB film can well damp sound waves and enable insulated glass effectively hinder sound transmission and definitely lower environmental noise. 韧质材质的PVB膜对声波有很好的阻尼作用,使夹胶玻璃能有效阻挡声音的传播,明显的降低外界环境噪音。
- Of or relating to sound transmission from two sources,which may vary acoustically,as in tone or pitch,to give a stereophonic effect. 两路立体声的从两个声源传来,可能有听觉上的不同(如在音调和音高上),可产生立体声效果的或与之相关的
- R.J.M. Craik. Sound Transmission through buildings: using statistical energy analysis. Gower Publishing Limited, 1998,England. 杜功焕;朱哲民;龚秀芬.;声学基础[M]
- Through testing on muffler on a certain motor, the paper evaluates the static performance of sound transmission loss of the muffler. 通过对某种发动机使用的消声器进行测试,对消声器的静态传声损失性能作出评价。
- Through testing on muffler on a certain motor,the paper evaluates the static performance of sound transmission loss of the muffler. 通过对某种发动机使用的消声器进行测试,对消声器的静态传声损失性能作出评价。
- Of or relating to sound transmission from two sources, which may vary acoustically, as in tone or pitch, to give a stereophonic effect. 两路立体声的从两个声源传来,可能有听觉上的不同(如在音调和音高上),可产生立体声效果的或与之相关的
- Pupilary light reflex, Physiological function of rod and cone, Photosensory transduction mechanism of rod; Sound transmission in middle ear and microphonic potential. 瞳孔对光反射、锥视杆细胞的生理功能、杆细胞感光换能机制;中耳传音功能和微音器电位。
- Smoking is forbidden until the plane is airborne. 飞机升空时禁止吸烟。
- The article decribes the tests of sound transmission and mechanical properties and comparison result of home-made CFRP and GFRP panels moulded by hand lay-up process. 本文介绍了国产碳布手糊层板与无碱玻璃布手糊层板的透声性能和力学性能试验情况及比较结果。
- Also movable partition provides the retractable panels on top and bottom of each panel to seal the workspace and minimize sound transmission rating with quality performance. 此外活动隔音屏风提供顶底伸缩端作为密封工作空间而达至减少及控制噪音传输。
- Objective To investigate the influence of cirrhosis and detachment of ligaments, tendons and stapes replacement prosthesis on sound transmission for human ear. 摘要目的研究听骨韧带、肌腱硬化和切除以及人工镫骨置换对声音传导的影响。