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.
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
4.
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
5.
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
6.
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
7.
Interference and avoidance of nitrite in the determination of sulfides
亚硝酸盐氮对硫化物测定的干扰及消除
8.
Adsorption Property of Chitosan Composite Resin for Nitrite-Nitrogen
壳聚糖复合树脂对亚硝酸盐氮的吸附性能
9.
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
10.
Research on Automatic Analytical Method of Nitrite and Ammonia and Iron (Ⅲ) in Water Environment;
水环境中亚硝酸盐氮、氨氮及铁（Ⅲ）自动分析方法研究
11.
The effects of environmental factors on purification of NH_3-N and NO_2-N by three preparations of probiotics
环境因子对3种微生态制剂净化总氨氮、亚硝酸盐氮作用的影响
12.
Experimental Study on the Biological Mode and Decreasing measure of High No_2-N in the Guangzhou Tap Water;
广州市自来水高亚硝酸盐氮生物模式及降低措施的实验研究
13.
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
14.
Affecting factors of nitrite accumulation in an anaerobic-aerobic-anoxic shortcut nitrification process.
污水短程脱氮工艺中亚硝酸盐积累的影响因素
15.
Nitrite and Nitrate Denitrification Comparative Study
亚硝酸盐反硝化与硝酸盐反硝化对比研究
16.
Mild powder--Determination of nitrate and nitrite contents(Cadmium reduction and photometry method)
GB/T5413.32-1997乳粉硝酸盐和亚硝酸盐的测定
17.
The Manufacture of an Online Nitrite and Nitrate Measuring Instrument
亚硝酸盐和硝酸盐在线监测仪的研制
18.
Any of various soil bacteria that take part in the nitrogen cycle, oxidizing ammonium compounds into nitrites or nitrites into nitrates.
硝化细菌一种参与氮环核，将氨的化合物氧化成亚硝酸盐或将亚硝酸盐氧化成硝酸盐的土壤细菌