To guide the design and operation of emergency ventilation system, intensive study on several key issues of emergency ventilation theory has conducted.
为了指导应急通风系统的设计与运行，本文针对应急通风理论中的若干关键问题进行了较为深入的研究。
It has many advantages including wide application, simple operation, decreased injury and stimulation to respiratory tract, less complication and reliable ventilation efficacy.
具有应用范围广，操作简便，对呼吸道的损伤、刺激小，并发症少，能维持有效、可靠的通气。
The energy saving technology of metal mine ventilation is analyzed and discussed so as to increase operation efficiency of energy saving in ventilation.
对金属矿山通风节能技术进行了分析与探讨，以提高其节能运行效率。
The ventilation and air-cooled air conditioner equipments are the main components of large-scale power station equipments and their service life would relate directly with the power station operation.
大型电站的通风及空冷空调设备是电站设备的重要组成部分，它的使用寿命直接关系到电站的运行情况。
Conclusion Early diagnosis and operation accompanied with mechanic ventilation is critical in treatment of traumatic cervical spinal cord injury with respiratory insufficiency.
结论早期诊断、早期手术减压并辅以机械通气法是治疗颈髓损伤并呼吸功能不全的关键。
Cost for operation ventilation, operation safety, smog exhaust during a fire and its control and other key problems are well addressed.
在满足通风要求的基础上，重点研究了通风运营成本及运营安全、火灾排烟及火灾通风控制等关键问题。
Form: Vertical musical instrument type and airtight ventilation structure. The main control cabinet and the operation table are set up separately.
形式：自立型琴式密闭通风构造。主控柜和操作台分设。
Conclusion Early and timely effective mechanical ventilation is the important method to cure ARDS after abdomen trauma operation.
结论早期和及时有效的机械通气是救治腹部外伤术后ARDS的重要手段。
The paper introduces a new semi-transverse ventilation system with oblique walls, a fire control technique with ventilator braked by reversal operation and their functions in the fire control.
文章提出了一种新的斜墙式半横向通风方式和风机反转制动消防技术以及它们在火灾时的作用。
The model can simulate operation conditions of the tunnel and solve key technical problems of ventilation shaft.
该模型通可以较好地模拟运营工况和解决通风风井部位的关键技术问题。
Conclusion LMA during general anesthesia for this kind of operation can induce less intubation reaction, reduce the rupture of intracranial aneurysms and maintain a good function of ventilation.
结论在颅内动脉瘤介入治疗术麻醉中行lma，可减轻气管插管引起的插管反应，降低动脉瘤破裂危险性，且通气功能维持良好。
Both the natural and mechanical modes of operation are described and put in the context of current thermal comfort criteria for wholly mechanical and wholly natural ventilation.
论文描述了自然的和机械的运作模式，并且把他们置于完全机械的和完全自然通风的热能标准体系。
The results showed that exhaust fan has the advantages of low consumption of energy and moisture, simple operation and lowering temperature uniform. Ventilation with exhaust fan is fit for cool area.
结果表明，用排气扇通风具有耗电低、降温均匀、水分损耗低和操作简便等优势，适用于冷空气资源充足的地区。
Manual or control level controlled switching and ventilation adjustment, enabling easy operation.
手动或操纵杆控制开启开启关闭及调节通风量，操作简便；
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。
Objective: To observe physiological effects of permissive hypercapnia(PHC) in gynecological laparoscopic operation and decide extensive use of this ventilation strategy.
目的：观察容许性高碳酸血症对妇科腹腔镜手术患者的生理影响，扩大这一通气策略的应用范围。
Through the adjustment of ventilation, the nascent cavitation number of cavitation is improved and the pore plate can crush and separate clogs during operation.
通过调节通气提高空化初生的空化数，工作时孔板旋转使堵塞物破碎和脱离。
It has great significance to know etiology of lung injury during operation and one-lung mechanical ventilation in order to decrease case fatality of lung injury...
为减少胸科患者术后肺损伤的发病率，了解手术和单肺机械通气过程中肺损伤的病因十分重要。
According to temperature changes of the DC traction motor in continuous operation, the fan motor speed is controlled, and the purposes of regulation of ventilation and energy-saving are achieved.
根据直流牵引电动机在持续运行中的温升变化控制通风机的电动机转速，实现通风量调节，以达到节能目的。
Objective To develop an automatic device for ventilation and gas exchange in hyperbaric oxygen chamber in order to avoid of the defects in manual operation.
目的研究高压氧舱的自动通风换气系统，解决手动控制的各种弊端。
Tunnel ventilation is the focus of operation and management of the tunnel, and it need to be seriously tackled when tunnel fire occurred.
隧道通风是隧道运营管理的重点，也是隧道出现火灾情况下需要认真处理的关键问题。
September 2009, coal companies Tangkou main fan was modified to further improve the ventilation system, ventilation, safe and reliable operation of equipment.
2009年9月，唐口煤业公司对主通风机进行了改造，矿井通风系统进一步完善，通风设备运行更加安全可靠。
The electrical ventilation window has the advantages of reasonable and compact structure, easy and reliable operation, good cooling effect, and high safety and practicability.
具有结构合理、紧凑，使用方便、可靠，降温效果明 显，使用效果好，安全实用等特点。
The electrical ventilation window has the advantages of reasonable and compact structure, easy and reliable operation, good cooling effect, and high safety and practicability.
具有结构合理、紧凑，使用方便、可靠，降温效果明 显，使用效果好，安全实用等特点。
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