The amounts of ammoniaN released from the plants were unstable with great variation.
玉米挥发的氨量不稳定，变异较大。
2
The H-N ratio in the production of synthetic ammonia is one of the most important parameters to increase the product yield which is an efficiency measure to keep the optimal production.
氢氮比是合成氨装置最为关键的参数之一，保持比值始终处于最佳状态是提高合成氨产量的有效措施。
3
Air stripping had been studied to remove the high concentration of ammonia-nitrogen (NH3-N) from vanadium sesquioxide (V2O3) wastewater in this project.