B. Continuous decomposed ammonia protective atmosphere annealing furnace.
连续式氨分解保护气氛退火炉。
The results show that the protective atmosphere of air containing 0.1% HFC-32 has a fairly good protective effect.
结果表明：含0.1%体积浓度的HFC-32保护气体可以较好地起到保护作用；
Liquid nitrogen is adopted as protective atmosphere in bell type furnace for which vacuum pumping system are provide also.
在罩式电炉内处理，采取液氮作为保护气体，并设真空抽气设备。
The absence of a protective atmosphere means the moon has been subjected to intense bombardment in its 4.5 billion-year existence.
由于缺乏大气的保护，月球在它存在的45亿年间遭受了强烈的撞击。
The deep levels in electron irradiated CZ silicon single crystal grown in pure nitrogen protective atmosphere has been studied.
本文研究了电子辐照在氮保护气氛中生长的直拉硅单晶中引入的深能级。
The effects of solvent, addition agent, H2 protective atmosphere and agent H2 pressure on catalytic reaction were investigated.
对反应溶剂、添加剂、H2保护和H2压力等影响因素进行了考察。
The sintering treatment includes protective atmosphere sintering, vacuum sintering, hot pressing, hot isostatic pressing and spark plasma sintering.
所述烧结包括保护气氛烧结、真空烧结、热压、热等静压、放电等离子体烧结。
For this, the material is heated to predetermined temperature in a protective atmosphere and soaked for a specified time before it is put to room temperature.
为这，在它被放到室温之前，材料被加热在一个保护蒙气下预定温度而且一个指定的时间浸湿了。
The effects of protective atmosphere on magnetic properties of non-oriented silicon steel for high-efficiency motors after stress relief annealing are investigated.
研究了保护气氛对高效电机用无取向电工钢消除应力退火后磁性能的影响。
The method has such advantages as low reaction temperature, short reaction time, no protective atmosphere and large specific surface area of the obtained activated carbon.
本发明反应温度较低，反应时间较短，无保护性气氛，活性炭比表面积较高。
The influence of the parameters such as surface treatment state, laser output power, welding speed, protective atmosphere, and pulse frequency on the welding quality was studied.
研究了试件表面处理状态、保护气体、激光输出功率、焊接速度、激光脉冲频率等工艺参数对焊接质量的影响规律。
Because early Earth lacked oxygen in its atmosphere, it also lacked a protective ozone barrier.
因为早期的地球大气中缺乏氧气，所以也缺乏起保护作用的臭氧层屏障。
Workers who remove the metals often have no protective equipment and breathe in high levels of toxic chemicals, which are then released into the atmosphere.
工人经常是在没有保护设施的情况下做清除金属的工作，吸进高度有毒的化学物质，这些化学物质又被排放到空气中。
Unlike the protective layer of ozone in the upper atmosphere, excessive ground-level ozone is tied directly to health.
与高空中具有保护能力的臭氧层不同，过量的近地面臭氧直接危害人体健康。
One of the most disturbing aspects of the changes in Earth is the rate at which chemical pollutants produced by human activity are destroying the protective layer of ozone in Earth's upper atmosphere.
地球上的变化最令人烦扰的方面之一，是人类活动所产生的化学污染正在迅速破坏地球上部大气圈臭氧保护层。
The US satellite was deployed in 1991 from the space shuttle Discovery on a mission to study the make-up of Earth's atmosphere, particularly its protective ozone layer.
美国卫星是在1991年部署到发现号航天飞机上的，承载着研究地球大气层，尤其是其起保护作用的臭氧层成分的使命。
Electrical equipment or parts of electrical equipment are immersed in a protective liquid in such a way that an explosive atmosphere above the surface of outside the enclosure cannot be? Ignited.
将电气设备的部件整个浸在保护液中，使设备不能够点燃液面上或外壳外面的爆炸性气体。
The Northern Lights, also known as aurora borealis, are created by the Sun's atmosphere, which blasts particles into the protective magnetic field surrounding the Earth.
北极光是世界上最著名也是最绚烂的太阳活动现象之一，想要亲眼见证北极光的美丽，人们通常需要去到最遥远的挪威。
The Northern Lights, also known as aurora borealis, are created by the Sun's atmosphere, which blasts particles into the protective magnetic field surrounding the Earth.
北极光是世界上最著名也是最绚烂的太阳活动现象之一，想要亲眼见证北极光的美丽，人们通常需要去到最遥远的挪威。
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