气体氮化 gas nitriding ; gas nitridation
气体氮碳共渗 [机] gas nitrocarburizing
气体氮化法 gaseous cyaniding
气体氮碳共渗剂 [机] gas nitrocarburizing medium
气体碳氮共渗 [机] gas carbonitriding ; [机] nitrocarburizing
气体渗氮 [机] gas nitriding ; Gas Carburizing
气体碳氮化 nitrocarburizing ; carbonitriding
气体共渗氮碳 gas nitrocarburizing
钢件的气体渗氮 Gas nitriding of steel parts
最后厌氧菌将硝酸盐转化成无害的气体氮。
Then anaerobic bacteria take that nitrate and turn it into harmless nitrogen gas.
利用宏观分析、显微检验、硬度测试和装车试验等手段，对引进奥地利重型汽车内齿圈按照新的气体氮碳共渗工艺处理后的质量进行了研究。
The quality analysis for gas nitrocarburized inner gear ring of heavy truck imported from Austria was taken by means of macro/micro-examination, hardness measuring and running test.
即使是元素状态为气体的氮，也通常作为硝酸根离子从土壤中被吸收。
Even nitrogen, which is a gas in its elemental state, is normally absorbed from the soil as nitrate ions.
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