产排污系数最早研究始于20世纪60年代末的美国,其被用于估算空气污染物的排放量,建立污染物排放清单(Emission Inventory),1972年US EPA第1次公开出版了《空气污染物排放系数汇编》(Compilation of Air Pollutant Emission Factors),俗称AP-42。
The database has provideda versatileandreliable approach for investigating for Marineactivities, whichcan be used to assess changes inoperational practiceaswell as vessel technologies.