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报道了我国主要原煤及粉煤灰中的天然放射性核素水平．分析了煤在燃烧过程中的除尘灰和飞灰对原煤中的放射性核素浓缩倍数，并与国外进行比较．同时将上海２５０ＭＷ燃煤电厂排放的放射性水平与国外核电站排放的放射性水平进行了比较。
Reported the level of natural radionuclides in China’s major raw coal and fly ash. The multiples of radionuclide concentration in raw coal by dust and fly ash from coal during combustion were analyzed and compared with those abroad. At the same time, the radioactivity levels emitted by the Shanghai 250MW coal-fired power plants are compared with those emitted by the foreign nuclear power stations.