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      ventilation     
相关语句
  通风
    Study of Reliability of Ventilation System During Mine Fire Period
    矿井火灾时期通风系统可靠性研究
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    Experiment and Simulation of System Combining Displacement Ventilation with Cooling Ceiling with High Long Wave Transimitance Film
    加装长波高透过性薄膜的冷却顶板/置换通风系统实验与模拟
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    Simulative Studies on Water Mist Fire Suppression under Longitudinal Ventilation in Long and Narrow Spaces
    狭长空间纵向通风条件下细水雾抑制火灾的模拟研究
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    The Design and Realization of User Interface of CAD System for ZF Series Installations of Mining Ventilation
    ZF系列矿用通风装置CAD系统用户界面的设计与实现
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    DESIGN OF THE VENTILATION SYSTEMS WITH MULTI-STAGE VENTILATOR STATIONS IN UNDERGROUND METAL MINES
    冶金坑内矿多级机站通风系统设计
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  通风的
    Effect Evaluation of Industrial Ventilation and Safety Problems
    工业通风的效果评价及有关安全问题
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    Disscussion on controling angle-link ventilation
    浅谈角联通风的控制
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    The Calculation and Theoretical Analysis of Natural Draught Ventilation
    自然通风的计算及理论分析
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    Research and Designing on Ventilation of Agricultural Greenhouses
    农业温室通风的研究与设计
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    Technology of design and application on local ventilation in mine
    煤矿局部通风的设计与应用技术
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  换气
    Development and Evaluation of Residential Ventilation Systems
    住宅换气系统的开发及其评价
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    Methods The testing and evaluation on concentrations of the particulates with the diameters of 0.3,0.5,1.0,2.0,3.0,5.0 μm in indoor air of the cosmetic workshops was carried out among 11 cosmetic manufactures with air filtering and purifying system(air-purified factory) and 13 cosmetic manufactures without air filtering and purifying system but with mechanical ventilation (air-unpurified factory).
    方法选择11家采用空气过滤净化系统的化妆品厂(以下简称净化厂)和13家未采用空气过滤净化系统而仅采用机械通风换气系统的化妆品厂(以下简称非净化厂),测定生产车间空气中0.3、0.5、1.0、2.0、3.0、5.0μm的尘埃粒子浓度的分布情况并进行评价。
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    The results indicated that the nature ventilation rate was less than 0.2 times per hour as the result of airtight, while the ventilation rate by the mechanical supply and exhaust system was more than 1 time per hour.
    结果表明,在住宅气密性较高的情况下,自然渗透的换气次数不到0.2h~(-1),不能满足新风量要求,而集中式机械给排气系统的换气次数达到1h~(-1)以上,能有效的达到保证室内空气品质的新风量要求。
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    At last, 4 parameters were introduced for evaluation of residential ventilation systems which were thermal comfort, noise, ventilation rate and life cycle costing.
    我国目前尚无住宅换气系统评价体系,本课题主要从热舒适度、噪声、换气效果、生命周期总费用四个方面对住宅换气系统进行评价。
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    According to this method,the pressure and rate of smoke flow of everyroom and passageway in different times can be worked out simultaneously,The method is successfulin calculating ventilation and smoke flow.
    运用该方法可同时求出建筑物各房间、各通道不同时刻的压力、流量,该方法已成功地运用于一般通风换气和火灾烟气流动计算中。
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  通风量
    Study on Ventilation for Acceptable Indoor Air Quality:Ev──Ec Mathematical Model for Ventilation
    满足室内空气质量的通风量的研究──“E_v—E_c”通风量计算模式
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    Influence of ventilation on the release of CO_2 and CO in fire smoke
    通风量对火灾烟气中CO_2和CO释放的影响
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    Results Ventilation rates for three locations were 1 345.4 ,870.8 and 890.2 m 3/min respectively,and the average ventilation rate for the whole workshop was 1 035.47 m 3/min .
    结果  3个作业点通风量Q值分别是 1345 4 ,870 8,890 2m3 /min ,而整个车间平均通风量为 10 35 4 7m3 /min。
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    Result evaluation and supplied air volume ascertainment of displacement ventilation
    置换通风和效果评价及其通风量的确定
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    Determination of ventilation rate in decorating material malls
    装饰建材超市通风量的确定
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      ventilation
           In addition to heating, ventilation and air conditioning (HVAC) engineering considerations, the design approaches of architects are crucial to the utilization condition and methods of renewable energy.
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           Therefore, these processes resulted in the development of a ventilation system by which O2can reach the root system exposed to hypoxia.
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           By means of these sensors, an increase in the H2O2 level in lung or blood results in a decrease in lung ventilation and constriction of blood vessels.
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           Perfluorooctyl bromide (PFB) is used in medicine as a component of blood substitutes and for artificial lung ventilation.
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           Central Mechanisms that Control Respiration in the Pulmonate Snail Lymnaea stagnalis: Phasic Coupling of Lung Ventilation to Cyclic Locomotion
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             Based upon 11 major underground spontaneous fires in Shuangyashan Coal Field, the rules are explored of the spot, time and conditions of the fires, Some countermeasures are presented to prevent spontaneous fire in coal field, such as. post-mining or gob preventive injection, sand-filling or sealed separation in the gob with potential spontaneous fire, Visional judgement or index jndgement for prediction, nitrogene-injection for fire prevention, and control, spraying oxidation retardent to delay coal oxidati...
                根据双鸭山煤田开采史上11次重大的井下自燃火灾。探讨其发火地、发火时间、发火条件方面的规律。同时提出某些预防煤田自燃发火的对策——采后或采空区预防性注浆;对可能产生自燃火灾的采空区注砂或充填,加以封闭隔离;采用直观判断、指标判断等方法进行预测预报:注氮防灭火;喷涂阻化剂以延缓煤氧化;选择合理的开拓方式和回采方法:选择合理的通风系统和利于防火的通风方式;控制向采空区的漏风等。
    文摘来源
             Ergonomics in safety is a kind of new frontier science. This paper presents its practical application in mining safety engineering. Based on the study on the capabilities of human-machine and the design principles of human-hardware system, the functional assignment of human and machines on the mine ventilation and disaster prevention and care are analysed; the new technologies in electronics, computer and expert system are applied to design the simulation or control system of mine ventilation an...
                安全人机工程学是一门新兴边缘学科。本文探讨它在矿业安全工程中的应用实践。根据人机功能特性及人机系统设计原理,分析了矿井通风及灾变防治中人机功能分配。综合应用电子、计算机、专家系统等新技术进行矿井正常通风模拟和调节以及灾变状态摸拟和控制系统的设计。提出了创造一个安全、卫生和舒适的井下环境的有益措施,以利于提高矿工的安全健康水平和工作效率。
    文摘来源
             In this paper a field model for smoke movement is described. Predicted results are compared with the Austrian Zwenberg tunnel test data. With this model, some examples of smoke movement in subway are illustrated, and conclusion is given that the longitudinal ventilation rate should be about 2m/s to prevent hot air from spreading upstream.
                本文建立了一种描述地下隧道中烟气流动的场模型,并用此模型计算的结果与奥地利Zwenberg隧道的实验数据进行了比较。利用该模型,研究了隧道中不同的燃烧强度以及隧道坡度对烟气流动的影响。结果表明:大约2m/s通风风速即可抑制热烟气向上游流动,而在强制通风的情况下,隧道坡度对烟气流动的影响不大。本课题的研究对于地铁隧道中排烟风机的选择、人群疏散以及地铁中电缆线的铺设均有重要意义。
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