1.
Research on NO_2 Concentrations Control and Ventilation Plan for Urban Highway Tunnel
城市公路隧道二氧化氮浓度控制及通风方案研究
2.
The Development of a Monitor for UDMH and Nitrogen Dioxide of High Concentration in Air
空气中高浓度偏二甲肼和二氧化氮监测仪的研制
3.
Measurer of CO2 concentration based on MCU control
基于单片机控制的二氧化碳浓度测试计
4.
The Quality Control of Nitrogen Dioxide in Absorbing Solution by Spectrophotometry
分光光度法测定吸收液中二氧化氮的质量控制
5.
Analysis on the changes of blood NO,MDA and SOD in pneumoconiosis patients
尘肺患者血中一氧化氮、丙二醛、超氧化物歧化酶浓度变化的研究
6.
The concentrations of nitrogen dioxide and ozone also exceed the objectives for a few days in a year.
二氧化氮及臭氧的浓度，每年也有几天超出了空气质素指标。
7.
stationary source emissions-determination of the mass concentration of nitrogen oxides (naphthylethylenediamine photometric method)
固定源辐射-氮氧化合物质量浓度的测定-萘二胺光度测定法
8.
CO2 conent sender
二氧化碳浓度发送器
9.
The Fuzzy Control Way of O_2 Concentration in Incubating Control System;
孵化控制系统中的氧气浓度模糊控制策略
10.
Automatic Control System on Co2 Concentration in Greenhouse;
温室大棚内二氧化碳浓度监控系统的研究
11.
determination of mass concentration of nitrogen dioxide(modified griess-saltzman method)
二氧化氮含量浓度的测定-改进的格里斯-萨尔茨曼(griess-saltzman)法
12.
The NO2 concentration in Guangzhou, Beijing and Shanghai was comparatively fairly high.
广州、北京、上海等特大城市，二氧化氮浓度相对较高。
13.
The Industrial Study on the Removal of High Concentration Ammonia Nitrogen from the Vanadium Sesquioxide Wastewater;
三氧化二钒生产废水中高浓度氨氮脱除的工业性研究
14.
DEOXYGENATION TECHNOLOGY BY USING CZDM MEMBRANE NITROGEN GENERATOR AND OXYGEN CONCENTRATION VARIATION RULE
CZDM膜制氮机组降氧工艺与氧气浓度变化规律研究
15.
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
16.
Research and Development of Singlechip-based Sulfur Dioxide Detector;
基于单片机的烟气二氧化硫浓度检测仪的研制
17.
Study on nitritation for treating domestic waste water under low DO condition
控制低溶解氧浓度实现生活污水短程硝化研究
18.
Effect of Calcium Concentration in Micro-arc Oxidation Electrolyte on the Surface Structure of Porous Titania Coatings by Compound Oxidation Process
钙盐浓度对复合氧化法制备多孔二氧化钛涂层表面结构的影响