combined application of organic nitrogen and nitrogen
nitrogen balance nitrogen equilibium
nitrogen effect to soil nitrogen
nitrogen response rate to fertilizer-nitrogen
Real-time nitrogen management and site-specific nitrogen management
Acute toxicity and chronic toxicity
~(15)N labelled nitrogen fertilizer
15N labelled nitrogen fertilizer
6Cr21Mn10MoVNbN high nitrogen steel
abdominal·Endovascular graft exclusion·Blood urea nitrogen·Creatinine·
腹·腔内隔绝术·血尿素氮·肌酸酐
过氧化氢酶(CAT)
四川省地质矿产勘查开发局成都综合岩矿测试中心
absorbed nitrogen and phosphorus
absorbing nitrogen amount
absorption and distribution of nitrogen
absorption and utilization of nitrogen