ammonia ammonia nitrogen 氨氮
ammonia consume by ammonia refrigeration 氨冷氨耗
13 N-ammonia 13N-氨水
A leak of liquefied ammonia 液氨泄漏
A301 ammonia synthesis catalyst A301催化剂; A301氨合成催化剂
A301 type ammonia synthesis catalyst A301氨合成催化剂
acetaldehyde ammonia 乙醛合氨
acid-ammonia 载频
acid-ammonia process 酸氨法
activated carbon-ammonia 活性炭-氨
add the ammonia 加氨
advanced ammonia synthesis process 新型氨合成流程
AER ammonia excretion rate 排氨率
aerobic ammonia oxidation 好氧氨氧化
Aerobic oxidation of ammonia 有氧氨氧化
air cooler with hot ammonia defrosting 热氨融霜空气冷却器
Alcohol-Ammonia Ratio 醇氨比
aldehyde - ammonia condensation 醛氨缩合
aldehyde ammonia 醛氨