1.
Study on Degradation of Petroleum Contaminants in Soil by Chemicai Oxidation Technology;
土壤中石油类污染物的化学氧化净化法研究
2.
New technology for production of sodium tripolyphosphate with chemical purification measure
化学净化法制取三聚磷酸钠新工艺研究
3.
control of gaseous pollutants by condensation
冷凝法净化气态污染物
4.
Study on technology for purification of WPA by solvent extraction process
溶剂萃取法净化湿法磷酸的工艺研究
5.
Study on defluorination for purifying phosphoric acid by vacuum steam stripping
真空汽提法脱氟净化湿法磷酸的研究
6.
Study on Controlling of Hydrogen Sulfide by Combustion--Absorption;
硫化氢废气的燃烧——吸收法净化研究
7.
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
8.
Health experts are trying to cleanse the air in cities.
卫生专家们正设法净化城市里的空气。
9.
A second method is to use a clean-air hood at the loading station.
另一种方法是在操作台用净化空气罩。
10.
COMPARISON AND ANALYSIS OF TWO-TYPE PURIFICATION PROCESSES FOR ACETYLENE GAS
乙炔气的干湿法净化工艺比较与分析
11.
Influencing Factors in Molten Aluminum Treating by Elec-flux Process
电熔剂法净化处理铝熔体的影响因素
12.
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
13.
Purifying and Recovery Volatile Organic Compounds by Abosorrption and PSA Methods;
VOCs的吸附和变压吸附法净化回收研究
14.
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
15.
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
16.
Study on Finance Strategy of Product Renewing;
基于产品更新的净现值法的优化研究
17.
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
18.
Optimizing the Maintenance Decision-making of Power Plant According to the Analysis of Net Present Value;
用净现值分析方法优化电厂检修决策