中性氮
nitrogen───n.[化学]氮
neutral───n.中立国；中立者；非彩色；齿轮的空档；adj.中立的，中性的；中立国的；非彩色的
nitrogen species───形态氮
nitrogen fertilizer───[肥料]氮肥；氮肥肥料；氮肥（料）
lawful neutral───合法中立
ammoniacal nitrogen───氨态氮；[化] 氨型氮
nitrogen balance───[生理]氮平衡
nitrogen monoxide───[无化]一氧化氮；一氧化二氮
chaotic neutral───混沌中性
Preserved liver, kidney, pancreas, adipose tissue in liquid nitrogen, and collected the liver, pancreas to 10%neutral formalin-fixed.───肝脏、肾脏、胰腺、脂肪组织以液氮保存，并留取肝脏以10%中性福尔马林固定。
In heavy oil, not only the absolute concentrations but also the ratio indicators of neutral nitrogen compounds are too low to distinguish the oil migration path.───重质油中，无论是中性含氮化合物的绝对浓度或是其比值指标都降低，严重影响了原油运移途径的判别。
Determining Migration Pathway of Low Maturity Oil from Fractional Distillation of Neutral Nitrogen Compounds───以中性含氮化合物的分馏作用确定低熟油运移路径
Migrational Fractionation of Neutral Nitrogen Compounds of Crude Oil in Tarim Basin───塔里木盆地原油中性含氮化合物的运移分馏作用
Migration Fractionation Effect of Neutral Nitrogen Compounds in the Crude Oil in Gasikuli Field───尕斯库勒油田原油含氮化合物油气运移效应