1.
Simultaneous determination of the total nitrogen,ammonium-nitrogen,nitrite-nitrogen,and nitrate-nitrogen in wastewater by continuous fluxion analysis
连续流动分析法同时测定污水中总氮、氨氮、亚硝酸盐氮、硝酸盐氮
2.
Study on the toxicity of nitrite nitrogen to Babylonia areolata
亚硝酸盐氮对方斑东风螺毒性的研究
3.
Summarization on the Remediation Technologies of Nitrate Contaminated Groundwater
地下水中硝酸盐氮污染修复技术综述
4.
Effects of Nitrate on Denitrifying Phosphorus Removing and the Process Control
硝酸盐氮对反硝化除磷的影响及过程控制
5.
FLOW INJECTION ON-LINE SIMULTANEOUS DETERMINATION OF NITRATE AND NITRITE IN WATER BY DUAL FLOW PATH NO-INTERFERENTIAL STREAMS
双流路互不干扰流动注射在线同时测定水中硝酸盐氮和亚硝酸盐氮
6.
Water quality--Determination of nitrogen (nitrite)--Spectrophotometric method
GB/T7493-1987水质亚硝酸盐氮的测定分光光度法
7.
Determining the Content of Nitrogen of Trace Nitrons Acid Salt in Aqueous System with Catalytic Spectrophotometry
催化分光光度法测定水中痕量亚硝酸盐氮
8.
Catalytic-kinetic photometric determination of Nitrite of Surface water;
动力学光度法测定地表水中亚硝酸盐氮
9.
Determination of Nitrate-Nin ,Water by Ultraviolet Spectrophtometry;
紫外分光光度法测定环境水中的硝酸盐氮
10.
Removal of Nitrite Nitrogen Using Biofilm-Electrode Process
电极生物膜法去除亚硝酸盐氮的实验研究
11.
Preparation of Nanoscale Zero-Valent Iron and Research on Nitrate and Nitrite Removal
纳米铁的制备及去除水中硝酸盐氮研究
12.
Nitrogen detection of nitrate and its significance in the effluent after sewage treatment
污水处理后出水中硝酸盐氮的检测及其意义
13.
To remove nitrogen or nitrogen groups from(a compound).
使脱硝，使脱氮（从化合物中）去掉氮或硝酸盐
14.
The Study on Simultaneous Nitrification and Denitrification via Nitrite;
亚硝酸盐型同步硝化反硝化生物脱氮研究
15.
Study on Vegetable Nitrate Pollution Control by Nitrogen Feretilizer with Nitrification Inhibitor DMPP and Nitrate Quick Determination Techniques;
DMPP氮肥蔬菜硝酸盐污染控制及硝酸盐速测技术研究
16.
Effects of nitrogen fertilization on nitrate content of radish(Raphanus sativus L.) and soil nitrate leaching
施氮量对白萝卜硝酸盐含量和土壤硝态氮淋溶的影响
17.
Effects of Different N and K Ratios application on Nitrate Content in Cole
氮钾配施对露地小油菜硝酸盐含量的影响
18.
Study on the Nitrogen Intensive Gradient Affecting the Nitrate Accumulation in Chinese Cabbage
氮肥集约度对小白菜硝酸盐积累的影响