ventilation pipe

Regarding the problems existed in present theory of air leakage of ventilation pipe, this paper puts forward a new index to evaluate the air leakage of the pipe line.

本文针对现有通风管路漏风理论存在的问题，提出了通风管路漏风新的评价指标；

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The vent pipe is arranged vertically in the tank body to be used for the ventilation.

所述通风管竖置于所述池体中,用于通风.

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On the basis of initial design scheme, a reconstructive air-conditioning system with none return ventilation pipe are adopted. The initial design scheme in hydraulic structure optimization is given by application of artificial neural network.

采用人工神经网络方法，为水工结构优化提供初始方案。

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Drawing lessons from Liaoning Technical University research technique of ventilation of coal pits simulation and fluid network, combining the pipe network modeling project of Zhengzhou, Discussing the basic theories of simulation modeling of the pipe network in detail.

借鉴辽宁工程技术大学在矿井通风仿真及流体网络方面的研究方法，结合郑州市管网建模工程，详细地探讨了管网仿真建模的基本理论。

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Artificial ventilation was used for twenty-seven patients, and air pipe mechanical ventilation was used for 1 case.

使用人工通气者27例，有创机械通气者1例。

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Ventilation pipe is vital part of ventilation system.

通风管道是通风系统的重要组成部分.

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Hence, flexible pipe ventilation technique is developed and tested in the No.24 tunnel of a water engineering some of the test results are introduced in this paper.

因此，中国铁道建筑总公司组织石家庄铁道学院、铁十五工程局有关科研人员，在“引大入秦”工程24号隧洞开展软管通风技术的研究和试验。本文是该课题的部分测试结果。

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Performance of the reunited multi-functional ventilation pipe and its application in the air conditioner system

复合多功能通风管道的性能及在空调系统中的应用

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