Method the filter efficiency, pressure, capabilities of inner environment and physiological parameters of the user were tested in different negative pressure conditions.
方法：在不同负压条件下对空气过滤器的过滤效率和阻力、舱内环境指标和使用者生理参数进行测试。
This article narrated the application of the negative pressure wave method in the leak detecting system of transporting-oil pipe.
主要讲述了负压波理论在输油管道泄漏监测系统的具体应用情况。
Methods 12 cases of mammary cancer have been performed with small opening, big skin cut, double tube negative pressure drainage method. And compared with to traditional operation method.
方法对12 1例乳癌根治术采用小切口、大刀削切游离皮瓣、双管负压引流、并与传统手术方法相比较。
Based on the negative pressure wave, the correlation analytic method is used for leakage detection and location of pipeline, the algorithm of the leakage location is also introduced in the paper.
阐述了依据负压波法，应用相关分析法进行管道泄漏检测的原理，给出了漏点定位的算法。
In this paper, the negative pressure wave method for pipeline leak detection and location of.
本文研究了负压波法在管道泄漏判断和定位中的应用。
Method 108 cases of patients with pneumonia were selected as sample, sputum collecting was conducted by low negative pressure electric collector for each patients, and analyzed by microscope.
方法对10 8例肺炎患儿采用低负压电动吸痰法，采集气管内及咽部痰液各一份，作多酶体显微镜检查。
The cut-off negative pressure method is one of effective approaches to solve the seepage flow problem with free surface.
截止负压法是求解有自由面渗流问题较为有效的算法之一。
The cut-off negative pressure method is one of effective approaches to solve the seepage flow problem with free surface.
截止负压法是求解有自由面渗流问题较为有效的算法之一。
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