全世界正按计划扭转这一通过空气传播的致命疾病的传播率。
The world is on track to reverse the spread of this airborne killer.
无放流式调节器只有在通至调节机构的管道排气时才消耗空气。
The non-bleed controller uses air only when exhausting the line to the controlled device .
通入压缩空气后运行10 ~20分钟检查自动排水器是否有排水。
After the compressed air passes to run 10 ~ 20 minutes to check whether there are drainage automatic drainer.
高高的城墙上的一个小窗口是空气和阳光的唯一通道。
One small window high up in the wall is the only access to air and light.
风机在暖通空调系统中有着广泛的应用，对空气处理效果影响显著。
Fans are used widely in the HVAC's system, and have obvious influence on air handling effect.
无放流式调节器只有在通至调节机构的管道排气时才消耗空气。
The non-bleed controller uses air only when exhausting the line to the controlled device.
在适度高温下向残渣油或类似的矿物油品通入空气所生产的沥青。
Asphalt produced by blowing air through residual oils or similar mineral-oil produces at moderately elevated temperatures.
研究了带有同心套管的垂直圆柱形加热表面在环隙中通入空气时的核沸腾传热性能。
Nucleate boiling heat transfer on a vertical cylindrical heated surface with a concentric outer tube was investigated when air was introduced into the boiling liquid.
结果表明，通入空气使沸腾传热系数有所提高，并且加热表面温度有所降低。
It was found from the experimental results that air introduction can significantly enhance the boiling heat transfer and make the temperature of heated surface lower.
套筒式气封和油封总成，油封之间通密封空气， 油封与气封之间有一通大气的腔室。
Cartridge type air and oil seals-seal air is injected into the oil seal and is vented to atmosphere between the seals.
周期性通入空气和氮气来实现厌氧-好氧交替过程。
The alternation of anaerobic process and aerobic process were realized by periodical aeration of air and nitrogen.
上水时，空气阀、压力表阀及水位计通汽通水阀开足，其他阀门和检查门无孔门应一律关闭。
Before feeding water, air vent valves, pressure gauge valve, water level gauge, burner supply valve and steam supply valve should be opened fully. Other valves and checking manhole close.
阐述了国内外通油过滤材料和空气过滤材料的主要性能及其测试方法。
The key properties of oil filtration materials and air filtration materials and their test methods home and abroad were demonstrated in the paper.
介绍了高温空气发生器的工作原理与特点，提出了采用可编程序控制器(PLC)控制四通阀周期切换的控制方案。
The principle and characteristics of the high temperature air generator is introduced. The PLC control project of periodical shift of the cross valve is expounded.
延迟阀可调节从三通控制阀到瞬间脉冲或放气阀的空气流量，放气阀或瞬间脉冲改变控制阀，然后关闭。
Relay valves convert a sustained air flow from a three-way pilot valve into a momentary pulse or bleed, which shifts a control valve and then closes.
电极中通入空气时NO的脱除效果略差于氧气，但是与氨氩混合气相差不多。
When air was injected into the electrode, NO removal efficiency was a little worse than the case of oxygen but almost the same as the case of NH_3 + Ar.
高温空气成份几乎不受四通阀切换瞬间发生器内滞留烟气的影响。
The air component isn't influenced by the residual fume at the switching moment.
室内环境品质的影响因素很多，而与暖通空调关系最为密切的有热湿环境、室内空气品质、室内风速以及室内噪声因素。
There are many factors influencing the indoor environment quality, but hot and wet environment, interior air quality, interior wind velocity and interior noise has close relation to HVAC.
实验结果表明：以三氧化二铬、铜丝为催化剂，氨水配比1.5∶1和1∶1，通入空气时实验效果最佳。
The experimental result shows: with oxidizing chromiums at three, at catalyst, ammonia water mix: 1.5:1and1:1, open to copper wire air, obvious phenomenon was realized.
通入压缩空气会对二维电极反应器的运行产生不利影响，而对三维电极反应器降解有机物则可起到促进作用。
Aeration has a negative effect on the two-dimensional electrode reactor, whereas it enhances the removal effect of the three-dimensional electrode reactor on COD.
包括如下步骤：在催化剂存在下，在含有氯苯的废气中通入潮湿的空气进行反应；
The invention includes the following steps: the reaction is carried out by introducing humid air into the waste gas containing chlorobenzene in the presence of the catalyst;
以水和正己烷作为介质，考察了通入空气对内管加热的竖直圆柱形环隙内的沸腾传热性能的影响。
Heat transfer of nucleate boiling of water and n-hexane in a vertical cylindrical annulus with inner side heated has been experimentally investigated.
由线圈的断电，控制空气促动三通阀29通过supply管路和三通电磁阀73右位。
By deenergizing of coil, the control air actuates the3 - way valve pos. no. 29 through the pipe named "SUPPLY" and the3 - way magnet valve pos. no. 73, right frame.
由于室内装修、暖通空调及大量家用化工产品的使用，室内空气污染日趋严重。
Indoor ornament, air conditioning and central heating system and a wide application of chemical articles in everyday have resulted in serious indoor air contamination.
改造技术研究，提高暖通空调系统明星一站式次连同空气旁路，复位和挫折控制被认为是最赚钱的。
Of the retrofit techniques investigated, improved HVAC system star-stop times together with air-bypass, reset and setback control was found to be the most lucrative.
改造技术研究，提高暖通空调系统明星一站式次连同空气旁路，复位和挫折控制被认为是最赚钱的。
Of the retrofit techniques investigated, improved HVAC system star-stop times together with air-bypass, reset and setback control was found to be the most lucrative.
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