During the birth she was given gas and air.
她分娩时用了麻醉混合气体。
A gas radiation burner for improving the efficiency of burning by promoting mixing of fuel gas and air is disclosed.
本发明涉及一种用于通过促进燃料气体和空气的混合而提高燃烧效率的气体辐射燃烧器。
Both the gas and air are preheated by regenerators, two on each side of the furnace, alternatively heated by the waste gases.
这两种气体和空气预热的再生器，每边两个炉，或者加热的废气。
Use of gas and air pre-mixed and then burning to intense burning was carried out and the full and absolute absence of any explosion hazard.
使用时燃气预先与空气充分混合，再进行燃烧，使燃烧进行得剧烈而充分，绝对无任何爆炸危险。
By changing the speed and direction of the gas and air entering the combustor, the character of the turbulent field in the combustor is changed.
通过改变燃气和空气进入燃烧室的速度和方向，改变燃烧室内的湍流场特性。
Therefore, the static mixer with large blade area had the highest mixing ratio of the process gas and air in the natural gas purification process.
因此，叶片面积大的静态混合器对天然气净化处理工艺中的过程气与空气的混合率最高。
The oxidation and molecular recomposition proceeded in the same time, when the isobutanol gas and air passed the fixed bed catalytic reactor continuously.
异丁醇气体和空气混合后通过催化剂层的固定床反应器，使氧化反应和分子重排反应同时进行。
The integrity of critical gas and air vent filters should be confirmed after use. The integrity of other filters should be confirmed at appropriate intervals.
关键气体和空气过滤器的完整性要在使用后进行检查，其他的过滤器要在适当的时间间隔内进行检查。
Using this chart to distinguish the explosion danger caused by the mixture of gas and air is more complete and accurate than the chart of gas detonation triangle.
采用它判别瓦斯与空气混合气体的爆炸危险性时，比用瓦斯浓度三角形更加全面、准确。
The unique structure of the gas stove of the utility model leads the gas and air to be completely mixed to realize complete combustion and thorough utilization of heat energy.
本实用新型燃气灶头独特的结构，使得燃气与空气能充分混合，达到充分燃烧，充分利用热能。
Through homogeneous mixing between gas and air in cyclical combustion chamber of gas external combustion type lime kiln, it can be enough combustion, has homogeneous flame temperature.
煤气、空气在外燃式石灰炉的环形燃烧室内混合均匀，燃烧充分，火焰温度均匀，便于控制。
According to the curve of rolled coil annealing temperature, the curve of gas and air consumption, the air volume for one batch annealing furnace and discharge flue gas system are obtained.
利用钢卷退火温度曲线以及煤气和空气消耗量曲线，得到了单台罩式炉退火过程中的抽风量变化曲线，在此基础上，得到了系统抽风量。
A century earlier, Henry Cavendish had noted the existence of a residual gas when oxygen and nitrogen are removed from air, but its importance had not been realized.
一个世纪前，亨利·卡文迪什注意到当空气中的氧气和氮气被除去，还有其他剩余气体存在，但人们还没有认识到它们的重要性。
It flies using a 23 gallon tank of gas and burns 5 gallons per hour in the air.
它使用一个23加仑的油箱飞行，每小时在空中燃烧5加仑。
Burning gas, oil and coal creates air pollution.
燃烧可燃气体、石油和煤炭会产生空气污染。
He decided that trees use water, and a gas from the air, to grow.
他认为树木需要水和空气中的气体来生长。
The scientist did a test and found that trees can grow because of water and a gas from the air.
科学家做了一个测试，发现树木可以生长，是因为水和空气中的气体。
For example, oil and air circuit breakers are now replaced by gas ones.
例如，油和空气断路器如今已被气体断路器取代。
For the environment, organising committees assess as many as 34 distinct factors over time. They include air quality, land usage trends and greenhouse gas emissions.
就环境方面而言，组委会要在一段时间内评定多达34个不同的因素，其中包括空气质量、土地使用趋势和温室气体排放。
Occurrence: Helium comes from natural gas, deposits within Earth, and can be isolated from air.
存在：氦存在于自然大气中，在土壤中沉积，而且能从空气中分离出来。
Deforestation causes around fifth of greenhouse gas emissions every year, more than all the forms of air and surface transport combined.
砍伐森林每年导致约五分之一温室气体排放，高于所有形式的航空和水陆运输排放量的总和。
A major disadvantage of coal combustion-and characteristic of industrial cities-has been air pollution by soot, dust, ash, exhaust and large amounts of the greenhouse gas carbon dioxide.
煤炭燃烧的主要缺点——也是工业城市的特色——是烟尘、粉尘、灰渣和废气以及大量的温室气体二氧化碳污染了空气。
PAHs are chemicals released into the air from the burning of coal, diesel, oil and gas, or other organic substances such as tobacco.
多环芳烃是由煤炭、柴油、石油和汽油的燃烧释放出来的，或者如烟草这样的有机物。
Air which entered the front was mixed with fuel and burnt as a hot gas.
进入管前端的空气与燃料进行混合，像热煤气一样点燃。
The gas would have the dual effect of choking air-breathing animals and preventing sunlight from reaching Earth's surface.
这些有毒气体不仅会使动物造成了窒息，而且对照射到地球表面的阳光产生了严重阻挡。
Foodstuffs may be dried in air, superheated steam, in vacuum, in inert gas, and by the direct application of heat.
食物可以在空气、过热蒸汽、真空、惰性气体中干燥，可以用直接加热干燥。
Instead, as part of his job, he visits newly decorated apartments to inspect the heating systems, gas pipes, sewage systems, window glasses and even the air quality in rooms.
工作内容主要是对房屋进行查验，包括房屋的加热系统、煤气管道、污水处理系统、窗户玻璃，甚至还包括房屋的空气质量等等。
When thick magma and large amounts of gas build up under the surface, eruptions can be explosive, expelling lava, rocks and ash into the air.
当厚厚的岩浆和气体大量在地表下聚集起来，就会出现爆炸性喷发，将熔岩，岩石和火山灰喷向空中。
Plant have the power to take this gas from the air, combine it with water, and make it into their tissues; in fact, it is from this source that all organic carbon comes.
植物有能力从空气中吸收二氧化碳，使之与水化合转化成植物的组织，实际上，所有有机碳化合物都是通过这种方式形成的。
Plant have the power to take this gas from the air, combine it with water, and make it into their tissues; in fact, it is from this source that all organic carbon comes.
植物有能力从空气中吸收二氧化碳，使之与水化合转化成植物的组织，实际上，所有有机碳化合物都是通过这种方式形成的。
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