In modern wars, all most of the perforation wound, and the normal-frequency ventilation can't work well to the state of an illness, but the high-frequency ventilation can do it.
在现代战争中，伤员大部分都为枪弹伤(系贯穿伤)，而对于这种伤病情况，普通的常频呼吸机不能够达到最佳的通气效果，而高频呼吸机却能够达到较好的通气治疗效果。
It is a very complicated problem that is not only related to the shock wave interaction, but also to the shape, size and natural frequency of the ventilation structure.
它不仅与冲击波的作用情况有关，而且与通风构筑物的形状、大小、自振周期等因素有关。
Objective To investigate and evaluate the application and safety of high frequency oscillatory ventilation(HFOV) in the treatment of neonates with respiratory failure.
目的探讨高频振荡呼吸机在治疗新生儿呼吸衰竭中的应用价值及其安全性。
ObjectiveTo compare the effect of the normal frequency jet ventilation with the high frequency jet ventilation in suspension laryngoscopy.
比较常频通气与高频通气在支撑喉镜手术前应用效果。
Mine ventilation frequency wet dust removal system for the heading face of coal mine dust in air.
矿用通风湿式变频除尘系统，用于对煤矿井下掘进工作面的空气进行除尘。
Objective to evaluate the therapeutic effect of high frequency oscillatory ventilation (HFOV) combined with thoracic cavity occlusive drainage on neonatal pneumothorax.
目的评价高频振荡通气(HFOV)并胸腔闭式引流治疗新生儿气胸的疗效。
According to the law of similarity of fan, the characteristic of long-distance tunneling ventilation was analyzed, and the energy consumption of variable frequency fan was described.
根据风杌的相似定律，阐述了特长隧道掘进通风的特性，详细分析了风机变频工作的能耗。
The middle and high-frequency noise of the wet-style natural-ventilation cooling tower is simulated by test rig in tab.
在试验装置上进行了冷却塔噪声模拟试验，试验装置较好地模拟了火电厂湿式自然通风冷却塔的中高频噪声特性。
At the same time, the application of frequency conversion can also save power consumption, and improve economics benefits within the operation of the tunnel ventilation system.
同时，变频调速的应用还可以节约大量电能消耗，提高隧道通风系统运营的经济性。
As the protective lung ventilation strategy, high frequency oscillatory ventilation (HFOV) and partial liquid ventilation have important significance.
作为一种“保护性肺通气策略，高频振荡通气和部分液体通气日益受到重视。”
Study on high frequency acoustical performance of a ventilation and sound insulation window using transfer matrix method;
首次利用整体传递矩阵法对机床主轴双转子耦合系统的动力特性进行了详细研究。
Study on high frequency acoustical performance of a ventilation and sound insulation window using transfer matrix method;
首次利用整体传递矩阵法对机床主轴双转子耦合系统的动力特性进行了详细研究。
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