carbon and nitrogen circulation

同义词释义

1)carbon and nitrogen circulation,碳氮循环2)carbon and nitrogen cycles,碳、氮循环3)carbon-nitrogen cycle,碳-氮循环4)soil carbon-nitrogen cyclings,土壤碳氮循环5)C/N ratio,碳/氮6)Titanium carbonitride,碳（氮）化钛