初步探讨了非均相催化氧化降解废水中的污染物机理。
The mechanism of pollutant degradation in wastewater by heterogeneous catalytic oxidation is primarily explored.
5个这样的机器鱼即将用于在西班牙海岸巡逻，目的是寻找水中的污染物。
Five similar fish will soon be patrolling the coast of Spain, searching for pollutants in the water.
排放收费——对排放这在各各方面流放到大气或是水中的污染物征收费用。
Emission charge — a charge levied on emitters for each unit of a pollutant emitted into the air or water.
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