Air circulating through these sacs transfers oxygen into the bloodstream that picks up the blood's carbon dioxide waste.
对于哺乳动物，每次吸气都将富氧空气带进肺中被称为肺泡的“死胡同”。这些在肺泡中循环的空气通过与肺毛细血管的血液进行气体交换，输进氧气并带走血液中的二氧化碳。
It is prevented by controlling the relative humidity of the circulating air and the temperature of the air.
控制循环空气的相对湿度和空气的温度可防止表面硬化的出现。
In the evening, open windows and use fans to create a cross-breeze, circulating cooler evening/night air through the rooms.
在晚上，打开窗户或者用风扇让空气保持对流，让凉快的晚风能够穿过房子。
Air circulating inside contains more than 900 chemicals, particles and biological materials with potential health effects.
室内的空气循环含有超过900种的化学品、微粒和生物材料，可能对健康产生影响。
BLOWER, an electrically operated fan for circulating air.
鼓风机，用来使空气循环的电动风扇。
High velocity convection is accomplished by circulating air through the oven and across the burners at high velocity to achieve rapid transfer of the heat to the vehicle.
高速对流，循环空气以高速度通过烘干室和穿过燃烧器，以达到向车身迅速地传递热量。
A healthy relationship keeps the doors and Windows wide open. Plenty of air is circulating and no one feels trapped. Relationships thrive in this environment.
而健康的关系则会保持门窗敞开，会有充足的空气流通，没有人会觉得自己被困在里面，关系能够在这种环境下成长。
A cyclone separator is one of the most important components in a circulating fluidized bed (CFB) boiler. The effect of air leakage on performance of a cyclone is remarkable.
旋风分离器是循环流化床锅炉的重要部件之一，窜气影响旋风分离器的性能。
A circulating blower and a heat exchanger are arranged on the outside of the humid cabinet and communicated with the humid cabinet by damp heat air ducts.
设置在回潮室外的循环风机和换热器通过湿热风管与回潮室相连通。
Numerical model for balanced draft air and gas system for circulating double fluidized bed is established and simulative study on the dynamic characteristics of air gas system is made.
建立了循环双流化床锅炉平衡通风风烟系统的数学模型，并对风烟系统的动态特性作了仿真研究。
The results indicated that this Circulating air Disinfector has good germicidal efficacy and can fulfill the requirement of disinfection of the natural bacteria in indoor air.
结果表明，该循环风消毒器具有良好的杀菌效果，对室内空气自然菌可达到消毒要求。
Full scale experiment shows the additive composition and its alkaline property is good for use in the circulating water system of coal mine air compressor.
工业性试验表明，该药剂配方及相应的碱性运行方案比较适合煤矿空压机循环水系统。
The high temperature gas generated by the air flow bed rises into the circulating fluidized bed to provide heat for the fluidized bed;
气流床生成的高温气上升进入循环流化床，为流化床气化提供热量；
The circulating air system and parallel multiple sifting covers were used in QFZ cleaning-grading machine, which could be favorable for increasing throughput and reducing contamination.
Q FZ清理分级机采用循环风系统和并行的多层筛面，有利于提高产量并减少污染。
Describes some problems that have influence on the life time of air-conditioner such as correct use of pad, disposal of circulating water, pre-filtration of air and so on.
对直接蒸发冷却空调机中填料的正确使用、循环水水质处理及空气预过滤等影响空调机使用寿命的问题作详细阐述。
The utility model relates to a circulating water purifying device for air conditioners, warming or other circulating water systems.
本实用新型涉及到一种空调、采暖或其它循环水系统的循环水净化装置。
The airflow circulating system can be used for an wall hanging type air conditioner indoor set, an air curtain machine, an air heater and a dehumidifier.
上述的气流循环系统还可应用于挂壁式空调的室内机、气幕机、空气加热器、除湿机中。
A new concept of achieving high temperature air by circulating fluidized bed combustion at high excess air ratio was proposed.
提出了借助循环流化床在高过剩空气系数下燃烧的技术提供高温空气的新构思。
Adoption of low-noise fan and suitable air channel that form the hot air circulating system, the heated dry air flows through the objects directly to dry and sterilize.
采用低噪声风机和合适风道组成热风循环系统，干热空气直接经过受热物体干燥、灭菌。
The substandard quality of circulating cooling-water results in severe fouling inside ice-water plant, cooler, etc. , which then induces unstable operation of air separation unit.
由于空分设备循环冷却水系统水质不好，造成冷水机组、冷却器等内部结垢严重，导致设备运行不稳定。
Rather like blood circulating in our veins, inside the termites nest it is air that is moved by external temperature and pressures.
就像我们血管里的血液流动一样，在蚁穴里的空气也是由外界的气温和压力控制的。
Based on the motion function and characteristic in different modes of water system of air-conditioning, the differential of circulating water volume pump and elevation of pump were analyzed.
根据空调水系统在不同工况下运行的性能与特点，分析冬夏及部分负荷运行时，空调水系统的流量和扬程差异。
The annular air-lift inner circulating reactor is one inner circulating reactor with high gas-liquid separating efficiency and excellent gas distributing effect.
一种环隙气升式内环流反应器，涉及一种具有高气液分离效率和良好布气效果的内环流反应器。
The generator stator winding parallel branches circulating current characteristics on air-gap eccentric fault were analyzed.
详细分析了发电机发生气隙偏心故障时定子绕组并联支路的环流特征。
In the end, the key components such as cyclone separator, circulating ash returning equipment, air distributor, firing device, observing window, gate for digging up the dreg are designed.
对旋风分离器、固体返料装置、布风装置、点火装置、观察窗、扒渣门等主要部件进行了专门设计和改进工作。
The characteristics of air flow and the air-solid two phase movement in a turbo classifier are analyzed by the dynamic equation of fluid motion combined with the features of intense circulating flow.
利用流体运动方程和平面强旋转流的流动特性分析了涡流分级机内空气流动特性和气固两相流运动特性。
The characteristics of air flow and the air-solid two phase movement in a turbo classifier are analyzed by the dynamic equation of fluid motion combined with the features of intense circulating flow.
利用流体运动方程和平面强旋转流的流动特性分析了涡流分级机内空气流动特性和气固两相流运动特性。
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