air requirement

Air is the basic requirement for the survival of all the lives on the earth.

空气是地球上一切生命体赖以生存的最基本条件。

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Research methods: ( 1) According to the indoor CO2 concentration control fresh air requirement, the fresh air should be handled single.

研究方法：（1）新风量按CO2浓度进行控制，新风单独处理；

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The control system will make this new air purifier achieve the requirement of environment protection, energy saving, intelligent and humanization, and the research will do important contribution to the indoor air pollution control and development of air purifying technology.

本文研究的控制系统使这款新型室内空气净化器真正达到环保、节能、智能化和人性化。本文的研究将为室内空气污染控制与空气净化技术的发展作出重要贡献。

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There are two ways to reduce the air conditioning energy consumption. The cooling load can be reduced by reducing the window-wall ratio, improving the structure of windows and controlling the fresh air requirement, the energy consumption can be reduced about 20% of the whole system.

减少建筑空调能耗可从两个方面考虑：通过减小窗墙比、改善窗户结构，控制新风量等方法减少空调冷负荷，可使整个系统能耗减少约20%；

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Lastly, analyze the measured data, found that natural wind flow into and out the metro station within the daily operation period which could satisfy the lowest fresh air requirement.

最后对实验数据进行了分析，发现地铁站内在日常运营时存在自然通风进出地铁站的现象，且计算出的换气次数能够满足地铁站人员所需的最低新风量要求。

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Study on Fresh Air Requirement in Road Tunnel Ventilation Design

公路隧道通风设计需风量几个问题的研究

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Research conclusion: ( 1) To control fresh air requirement, it could reduce fresh air cooling load.

研究结论：（1）调节新风量降低了新风负荷；

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The measurement result indicates that the system has perfect performance with the nitrogen flow about 5.5-8.5. The cold energy recovered satisfies the cold air temperature requirement of the vehicle air conditions.

氮气流量在5.5~8.5m3/h范围内，系统回收冷量满足汽车空调送风温度要求。

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Calculates and analyses the air conditioning loads in the inner zone, and studies the changes in minimum supply air rate and fresh air requirement of VAV air conditioning system in the inner zone, and provides the control values of minimum supply air rate.

计算分析了办公楼内区空调负荷，研究了内区变风量空调系统最小送风量和新风量的变化情况，给出了最小送风量的控制数值。

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To improve the indoor air quality, the ASHRAE Standard 62-1999 prescribes that the outdoor air requirement should be increased and the indoor relative humidity should be lowered.

美国《ASHRAE标准62-1999》要求增大空调系统的设计新风量，降低室内相对湿度以提高室内空气品质。

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According to the air and soil temperature requirement of crops at seedling stage, a new underground heat storage system to be used in greenhouse was designed.

基于作物幼苗期对气温与土壤温度的要求，设计了一种新型地下蓄热系统，对影响换热管道内热量交换的主要因素&空气流速进行测试。

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This paper analyzes the different factors influencing the runway operation. Through building aerodynamic, thrust, and runway surface models combined with kinematics and using object-oriented computer language, the simulation of runway operation is realized in meeting the minimum air traffic control separation requirement.

分析了影响跑道运行的各种因素，通过建立气动、推力、道面等数学模型，结合运动学方法，采用面向对象的计算机语言实现了在最小空管间隔下跑道运行的仿真。

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Some problems exist during the operation of cartridge filter, such as little effect of blast cleaning, minor air requirement and low filtering rate, etc.

滤筒式除尘器在使用过程中，普遍存在喷吹清灰效果差、处理能力小、过滤速度低的问题。

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Also, the heat output and the influence of train run status, piston-action ventilation shaft, different mode of ventilation and air conditioning system for station tunnel on airflow field, temperature distributions and fresh air requirement of subway were investigated.

分析得出产热量的分布规律；列车行车状况、活塞风井、不同形式车站及区间隧道通风空调系统对隧道内速度场、温度场及新风量的影响规律。

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Balanced simple design conforms to all maritime compressed air requirement.

简单的平衡设计符合所有海用压缩空气的要求.

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To implement this clean air requirement, the Act contains special permit provisions and requires changes in state implementation plans.

为实施清洁空气要求，该法案包含了许多特别许可条款并要求州对原来的实施计划做出调整。

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For both meeting indoor air quality requirement and saving energy, takes the concentration of CO 2 and TVOC as control indexes to realize random control of fresh air.

为了在满足室内空气品质的要求下，尽可能地减少新风量实现节能的目的，以CO2浓度和TVOC浓度作为控制指标，实现空调新风的随机控制。

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By examining the indoor concentration distribution of pollutants, we can see that the concentration satisfies the scheduled standard, that is, the quantity of fresh air meets the requirement.

通过考察室内的污染物浓度分布，可以看出其浓度满足预定的标准，也就是说所计算的新风量符合要求。

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With the sustained rapid growth of civil aviation, the contradiction between the air traffic requirement and the limited airspace resource becomes more and more conspicuous and become a bottleneck which counteracts the development of aviation.

随着航空业的蓬勃发展，空域资源相对飞行需求的有限性和稀缺性的矛盾日益突出，成为限制航空业经济、快捷、有序发展的重要瓶颈。

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A law of removing radon by ventilation and air requirement calculation for eliminating radon daughters in uranium mines

铀矿通风降氡规律及排氡子碳体风量计算

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If the air exceeds the stoichiometric requirement of coal, the combustor is in an overall excess air mode as in a conventional operation.

如果蒸汽量超过煤的化学计量要求，那么燃烧炉与传统操作一样处于整体空气过量状态。

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The major effects of fresh air requirement are outdoor air quality, pollutants caused in daily life, building materials, decorative materials and contaminant released by furniture and electrical appliances.

新风量的影响因素众多，主要受室外空气质量、家居生活产生的污染物以及建筑材料、装修装饰材料、家具电器等释放的污染物影响。

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There are six parameters of the indoor design calculation for comfort air conditioning. They are air velocity, relative humidity, air temperature, outdoor air requirement, noise sound level and dust concentration in air, which deal with thermal comfort standard and health criteria.

在舒适性空调中，涉及到热舒适标准与卫生要求的室内设计计算参数有六项：风速、空气相对湿度、温度、新风量、噪声声级、含尘量。

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