Compressor is one of main equipments in synthetic ammonia system.

压缩机是合成氨系统的关键设备之一。

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With the gradual increase in capacity, the intermittent discharge of purge gas from the ammonia system is changed to stable discharge.

随着生产能力的逐步提高，合成氨系统排放的吹除气由间歇排放改为稳定排放。

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Srinivas Garimella at the Georgia Institute of Technology in Atlanta is developing a system in which external heat is used to boil off ammonia vapour from a solution.

亚特兰大乔治亚技术研究院的斯瑞尼瓦斯·盖瑞·麦拉正在开发用外部热源把氨从溶液中蒸发出来的系统。

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"Once we survive that, it's just a steady threat of radiation, meteorite impacts, and vehicle system failure like fire or ammonia breakthrough, " he posted.

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In Europe the trucking industry has settled on a technology called selective catalytic reduction, in which urea is periodically injected into the exhaust system to break down the NOx, converting nitrogen oxides into (somewhat) harmless ammonia.

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