exhaust port ignition cleaner
排气管点火废气净化系统
catalyst-equipped passenger car
装有催化净化废气系统的小客车
Studies on the Treatment of Off-gases Containing Benzene Homologue Compounds by Biofiltration;
生物过滤法净化含苯系物废气的研究
non-catalyst car
非催化剂净化废气汽车
Efficacy of air-purifying system on purifying air of operating department in hospital
空气净化系统对医院手术部空气净化效果分析
exhaust after-treatment device
废气后处理净化装置
Primary Studies on Purification Effects of Treatment Model of Alga-bacteria System on Wheat Stalk Paper-making Waste Water
复合藻-菌净化系统处理麦秆造纸废液初步研究
Studies of Gas Discharge and Photocatalytic Method Decontaminating Benzene in the Exhaust Gas;
气体放电—光催化净化含苯废气的研究
Design and Realization for Fume Cleaning and Recovery System of Converter;
转炉烟气净化回收系统的设计与实现
Purification Technology of Waste Industrial Gases Containing NO_x and Its Application in Treatment of Waste Gases From Stainless Steel Pickling Line
NO_x废气净化技术与不锈钢酸洗废气处理对策
Study on Controlling of Hydrogen Sulfide by Combustion--Absorption;
硫化氢废气的燃烧——吸收法净化研究
Method of Evaluation for PM_(10) Removal Efficiency of Air-cleaning Devices in the Central Air-conditioning Ventilation Systems
集中空调通风系统空气净化消毒装置PM_（10）净化效果评价方法
Mathematical and Experimental Study of Volatile Organic Exhaust Gas Abatement by Adsorption;
吸附法净化有机废气模拟与实验研究
Studies on the Treatment of Off-gases Containing Ethylbenzene by Biofiltration;
生物过滤法净化乙苯废气的试验研究
Restaurant Emissions Removal by a Biofilter with Immobilized Bacteria;
生物滤塔净化饮食业油烟废气的研究
Kinetic Research on Adsorption of VOCs by Activated Semi-coke;
活性半焦净化有机废气的动力学研究
A Study on Treatment of Off-gases Containing BTX by Fungual Biofilter;
真菌过滤法净化挥发性有机废气研究
Biological Removal of Nitric Oxide by a Rotating Drum Biofilter and Microbiological Mechanism
生物转鼓净化NO废气及微生物学研究
