1. Agricultural ammonia emissions contribute to China’s urban air pollution
2. Atmospheric Reactive Nitrogen in China: Sources, Recent Trends, and Damage Costs
Some thoughts: First, estimate wet N; Second, trend analysis; Third, damage cost. 

版权声明：本文为rockman原创文章，遵循 CC 4.0 BY-SA 版权协议，转载请附上原文出处链接和本声明。
本文链接：https://www.cnblogs.com/rockman/p/4916750.html