得出了二甲醚火焰传播速度与一次空气系数的关系曲线，并且在一次空气系数约为0。
The curve of relationship between flame speeds and the primary air ratio is got, and when primary air ratio is about 0.
在实验中，主要通过调整一次空气系数和引射器喷口的大小，达到稳定燃烧的运行工况。
In experiment, steady operating point of combustion can be obtained mainly by setting primary air factor and the size of spout.
当二次空气的入口温度低于一次空气的露点温度时，一次空气的冷却有可能是一去湿过程。
When the entering temperature of the secondary air is lower than the dewpoint temperature of the primary air, there may be a dehumidifying cooling pro-cess in the primary air passages.
然后介绍了一、二次风速，旋流叶片的导角，一次空气比例系数等参数的选择及制造烧嘴的材料。
Selection of the primary and secondary airflow rate, the guide Angle of the blade, the primary air ratio as well as the material for manufacture of the burner nozzle are given.
回热式间接蒸发冷却具有正反馈式工作原理，能进一步降低一次空气温度，扩大有用能的利用范围。
The regenerative indirect evaporative cooling with the positive feedback principle, can further decrease the temperature of the prime air stream and expand the useful range of available energy.
在实验结果的基础上利用火焰稳定理论，论证了在不同一次空气系数时获得最佳燃烧器参数的可能性。
Based on the experimental result and flame stability theory, the possibility to obtain the optimum parameters of the burners are discussed under different primary air coefficient.
采用FLUENT软件对大气式燃气燃烧器的引射器进行数值模拟，得出喷嘴位置与一次空气系数的关系。
The numerical simulation of the injector of atmospheric gas burner is carried out using software FLUENT, and the relationship between nozzle position and primary air coefficient is obtained.
存在这样的裂缝，一个普通房屋里大约每小时会置换一次新鲜的室外空气。
Because of such leaks, the air in an average home was replaced by fresh outdoor air about once an hour.
我想再一次追问环境的问题，即空气这个话题。
ROBINSON I want to push you one more time on the environment- air.
目前，污染物测量是在一个城市的多个不同地点进行测量的，然后数据会合计成一个数字(空气质量指数)最后在网站上每天发布一次。
Currently, pollutants are measured at different stations in a city and that data is aggregated to a single number (the air quality index) and published once a day on a website.
你最后一次呼吸新鲜空气，赞叹晴空万里的蓝天，驻足欣赏街道两侧树林间的美景是什么时候？
When is the last time you felt the fresh air, admired the beautiful blue sky and saw the beauty in the trees lining your street?
但与那场惨烈巷战的战友不同，阿富汗的陆战队这一次，绝大部分时候，把炎热的空气当成了他们的打击目标。
But unlike their comrades in that bloody urban battle, the marines now in Afghanistan have, for the most part, thrust their swords into hot air.
这一次，埃克森和芭拉有望借助全球各国推行的新监管标准实现目标，这些新标准更接近于欧美的安全、空气质量和油耗标准。
This time, Akerson and Barra will be helped by new regulations worldwide that more closely emulate the safety, air quality and efficiency standards in Europe and the U.S..
坟上的花被霜雪冻得僵硬，褐色的树叶在冰冷的空气中狂乱地翻滚着，飞舞着，再一次将她埋葬。
The flowers on her grave stiff in frost. Brown leaves tumbling, flying wildly in the frozen air, reburying her.
但在最近一次在巴西帕拉州雨林边界上空的侦察飞行中，空气中竟然连片缕烟丝都没有。
But on a recent surveillance flight over the forest frontier in Brazil's state of para, there was hardly a wisp of smoke in the sky.
汽车制造商对该法律提出质疑，部分根据是二氧化碳不属空气污染物——最高法院这一次完全否定了这种说法。
Carmakers have challenged the law, in part on the ground that CO2 was not an air pollutant-a notion the Supreme Court has now comprehensively quashed.
开始的时候，太空船内的空气稀薄，你脸上会出现一些红线——那是破裂的血管——然后，你会赚到很多钱，只需再进行一次太空旅程。
Inboard air's thin to start with. You get a few redlines-that's these ruptured blood vessels -and you say the hell with the money; all you'll make is just one more trip.
阿恩特说：“我们看到的只是北极空气在北半球人口密集地区的一次大爆发，北极空气真的向我们发威了。”
"We basically have seen just a big outbreak of Arctic air" over populated areas of the Northern Hemisphere, Arndt said. "the Arctic air has really turned itself loose on us."
阿恩特说：“我们看到的只是北极空气在北半球人口密集地区的一次大爆发，北极空气真的向我们发威了。”
"Webasically have seen just a big outbreak of Arctic air" over populatedareas of the Northern Hemisphere, Arndt said. "The Arctic air hasreally turned itself loose on us."
华龙网讯昨日，热浪袭人，空气湿度不大，行走在大街上的市民体验了一次“桑拿天”。据120指挥中心统计，早晨8时至下午4时，主城区共有29人中暑，另外还有7人因高温引发疾病而昏倒。
A total of 29 people suffered sunstroke and 7 other people fainted for heat related illness from 8:00 to 16:00 yesterday, according to Chongqing 120 Command center.
最空道后，再一次把机箱盖好，同时喷一些空气到你的接口和通风口中。
Finally, close your case once again, and spray a few blasts of air into your ports and vents.
他在执行第一次太空行走的任务时，又是碰到空气泄漏，又是碰到材料意外硬化——后者把他压回了密封舱，几乎让他丧命。
He performed the first space walk on his mission, but experienced both air leaks and material unexpected stiffening — the latter of which made cramming himself back in the capsule a very near thing.
2005年空气质量准则第一次为可吸入颗粒物（PM）确定了一项指导值。
The 2005 AQG set for the first time a guideline value for particulate matter (PM).
世上最美好的事情不过于第一次步入大学，呼吸完全自由的空气了。
There is nothing better than going to college for the first time and having all of this freedom for yourself.
但一次又一次，在涉密网络和公共网络之间的这个“空气间隙”被桥接上，其中很大一部分是通过使用光盘和可移动存储设备。
But time and time again, the so-called "air gaps" between classified and public networks have been bridged, largely through the use of discs and removable drives.
你会发现，你的肩升高了，你的胸腔舒展开了，你感觉空气进入你的胃中；如果没有，那就再来一次。
You probably noticed that your shoulders raised, your chest cavity expanded and you felt the air in the upper part of your stomach. If you didn't, try it again.
选购一台空气净化器“其实并不难决定。但是当你第一次把孩子送进大学，你会想要一切完美无缺。”
Choosing an air freshener "really shouldn't be that hard of a decision but when you're sending your kid off to college for the very first time, I want to get everything right," she said.
看着你离去的背影，我泪如雨滴，最后一次呼吸着空气中有你的气息。
Watching you leave the back, my tears like rain, the last breath of air in your breath.
每周需用干燥的压缩空气或铜刷清理机台背部冷凝器一次以上。
A week with dry compressed air or a copper brush cleaning machine back condenser more than once.
每周需用干燥的压缩空气或铜刷清理机台背部冷凝器一次以上。
A week with dry compressed air or a copper brush cleaning machine back condenser more than once.
应用推荐