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