nitrogen balance
短语词组
- nitrogen phosphorus balance 釩
- Nitrogen Mass Balance 氮質量平衡
- nitrogen n balance 氮平衡
- apparent soil -nitrogen-balance rate 土壤氮素表觀平衡率
- megative nitrogen balance 負氮平衡
- permeability nitrogen balance 氮平衡
- nitrogen transformations and balance 氮轉化與平衡
- energy and nitrogen balance 能氮平衡 返回 nitrogen balance