1.
Raw natural rubber--Determination of nitrogen
GB/T8088-1987天然生胶氮含量测定法
2.
crude petroleum and petroleum products-determination of nitrogen content
原油及石油产品中氮含量测定方法
3.
determination of nitrogen - part 2 : determination of bound nitrogen, after combustion and oxidation to nitrogen dioxide, using chemiluminescene detection
氮含量测定-用化学发光检测法测定二氧化氮燃烧和氧化后的胶联氮含量
4.
Determination of total nitrogen content for compound fertilizers--Titrimetric method after distillation
GB/T8572-1988复混肥料中总氮含量测定蒸馏后滴定法
5.
Clinical significance of the content assay of nitric oxide in cerebrospinal fluid
脑脊液中一氧化氮含量测定的临床意义
6.
Fertilizers--Determination of nitrate nitrogen content--Nitron gravimetric method
GB/T3597-1983肥料中硝态氮含量的测定氮试剂重量法
7.
Discussion for Determination of Nitrogen Contend in ABS Resin by Full Automatic Azotometer
应用全自动定氮仪测定ABS树脂氮含量的探讨
8.
Nitrogen measurement in infantile zhili syrup by Kjeldah method
凯氏定氮法测定小儿智力糖浆中总氮含量
9.
determination of the mass concentration of nitrogen oxides (chemiluminescence method)
氧化氮含量浓度的测定-化学发光法
10.
After harvesting the crops, he tested them for nitrogen content.
作物收获后，他测定了作物中氮的含量。
11.
methods for determination of oxides of nitrogen in flue gases
废气中氧化氮含量的测定
12.
Determining the Content of 1,8-Diaza-Bicycle Undecene-7 by Acid-Base Titration;
1,8-二氮双环[5,4,0]十一烯-7含量测定
13.
Two Alternative Methods for Measuring Total Nitrogen of Pond Soils
二种池塘底泥总氮含量的简易测定法
14.
Mensuration of Nitrogen Content in Granular Agricultural Ammonium Bicarbonate
颗粒型农用碳酸氢铵中氮含量的测定
15.
soil quality - determination of total nitrogen - modified method
土壤质量-总含氮量的测定法-修改的hjeldahl法
16.
Fertilizers--Determination of ammoniacal nitrogen content--Titrimetric method after distillation
GB/T3595-1983肥料中氨态氮含量的测定蒸馏后滴定法
17.
Determination of Amino Nitrogen in Soy Sauce by Microtitration
微型滴定分析法测定酱油中氨基氮的含量
18.
DETERMINATION OF PROTEIN CONTENT IN MILK BY MICROWAVE DIGESTION-KJELDAHL
微波消解——凯式定氮法测定牛奶中蛋白质含量