| 1. | Standard test method for airflow resistance of acoustical materials
隔声材料气流阻力的标准试验方法 |
| 2. | Acoustics - materials for acoustical applications - determination of airflow resistance
声学.声学用材料.气流阻尼的测定 |
| 3. | Acoustics . materials for acoustical applications . determination of airflow resistance
声学.声学应用材料.气流阻力的测定 |
| 4. | Test method for airflow resistance of respiration of filtering particle respirator
过滤式防微粒口罩对空气流呼吸阻力的试验方法 |
| 5. | Test method for airflow resistance of respiration of filtering particle respirator
过滤式防微粒口罩对空气流呼吸阻力的试验方法 |
| 6. | Air valve size and airflow resistance losses of valves always speed and the size of the spring - loaded edge
气阀阻力损失大小与气流的阀隙速度及弹簧力大小有关。 |
| 7. | Acoustics ; materials for acoustical applications ; determination of airflow resistance iso 9053 : 1991 ; german version en 29053 : 1993
声学.声学应用材料.气流阻力测定 |
| 8. | Introduction : fluid displacement into nuchal and peripharyngeal soft tissues while recumbent may contribute to narrowing and increased airflow resistance of the pharynx ( rph ) , and predispose to pharyngeal collapse in patients at risk for obstructie sleep apnea
摘要：平卧位时，体液移至颈背和咽周的软组织，可能造成咽喉部狭窄，气道阻力增加，增加阻塞性睡眠呼吸暂停患者咽壁塌陷的风险。 |
