Stationary source emissions - determination of the mass concentration of nitrogen oxides - naphthylethylenediamine photometric method 固定源排放.氮氧化物质量浓度的测定.萘乙二胺分光光度法
The major pollutants include nitrogen oxides ( nox ) , sulphur dioxide ( so2 ) , suspended particulates and carbon monoxide ( co ) 这些污染物主要包括氮氧化物、二氧化硫、悬浮粒子及一氧化碳。
To control ozone concentrations , we have to reduce the emissions of nox and voc in the whole of the prd region 要控制臭氧浓度，我们必须减少整个珠江三角洲的氮氧化物及挥发性有机化合物排放量。
Domestic industries often use the selective nitrogen catalytic reaction sncr and selective catalytic reaction to remove nitrogen oxides from flue gas 目前国内常用之烟道气氮氧化物处理设备有选择性无触煤还原法
Respirable suspended particulates ( rsp ) and nitrogen oxides ( nox ) at roadside had dropped by 13 per cent and 23 per cent respectively during the same period 同期路边的可吸入悬浮粒子减少13 % ，氮氧化物则减少23 % 。
Ozone is not directly emitted from any source , and is formed under photochemical reaction between nox and voc under sunlight 臭氧并非直接由污染源排放，而是由氮氧化物与挥发性有机化合物在阳光下产生光合化学反应所形成的。
Since then , scientists have exploited the compound to kill bacteria on hospital surfaces and to treat contaminated water 从那时起，科学家就利用它消灭医院各种表面上的细菌，与处理污水，但用于户外消除氮氧化物却是个新点子。
Emphases on reducing nitrogen oxide emission . analyzed switching process affect on oxygen content , temperature in htac 从理论上分析了氮氧化物产生的机理，从影响氮氧化物生成的因素上分析了换向过程对氧气浓度、炉温的影响。
To address the problem of photochemical smog , we have to reduce the emissions of nox and voc in the whole of the prd region （三）要减少光合化学烟雾现象，我们必须减少整个珠江三角洲区域的氮氧化物及挥发性有机化合物排放量。
It has extrude merit of wide applicability to fuel , high efficiency of burning , low letting of oxidenitrogen . great radio of charge regulation and rapid charge regulation 它具有燃料适应性广、燃烧效率高、氮氧化物排放低、负荷调节比大和负荷调节快等突出优点。
