tric nitrogen

• 硝态氮

tric nitrogen的用法和样例：

例句

1. Some commercial laboratories use periodic nitrate nitrogen tests as guides.
   许多商业性的试验室已应用定期的硝态氮分析作为指导。
2. In many plants, including most tree crops, nitrate nitrogen does not usually occur in the leaves.
   在一些植物中，包括绝大多数的木本作物，硝态氮并非经常存在于叶片中。