Therefore, organic combination of the internal Purification and exhaust emissions after-treatment become the future solution methods of diesel exhaust emissions.
因此将机内净化和排气后处理有机的结合起来成为未来解决柴油车排放问题的主要技术手段。
An overview of internal and external study is made on high temperature purification of gaseous contaminants including sulfur, nitrogen and chlorine pollutants, alkali metal, heavy metal and tar vapor.
综述了国内外硫、氮、氯的污染物和碱金属、重金属、焦油蒸气等气体污染物的高温净化研究概况，提出了存在的技术问题。
This paper evaluates the airborne radioactive concentration, dose-rate of internal and external exposure as well as purification mode and operating time of ventilation systems in reactor building.
本文对燃料破损可能导致的气载放射性浓度、场所内、外照射剂量率进行了估算，同时对通风系统的净化方式、净化时间进行了评估。
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