Nitrogen foam thermal flooding is a new method for enhanced oil recovery of heavy oil.
氮气泡沫热力驱是一种新的提高稠油油田采收率的方法。
2
The effect of different nitrogen fertilizers on dynamic transformation of phosphorus fertilizer in paddy soil under flooding condition was studied in indoor incubation experiments.
利用室内土培试验研究了淹水条件下不同氮肥对水稻土（黄泥土）中磷肥转化的动态影响。
3
The pressure of nitrogen drive is greater than that of carbon dioxide drive but less than that of water flooding.