本文選題：氣溶膠 + 總α��； 參考：《核技術》2017年08期

【摘要】：核電廠周圍環(huán)境氣溶膠的總放射性水平是一項重點關注項目。為掌握陽江核電周圍環(huán)境氣溶膠中總α、總β放射性水平及變化趨勢,自2014年1月,對陽江核電廠5 km范圍內(nèi)大澳和允泊的氣溶膠總α、總β進行為期三年的采樣監(jiān)測,獲得該核電廠5 km范圍內(nèi)氣溶膠總α、總β活度濃度范圍分別為0.01-0.35 m Bq·m~(-3)、0.05-2.46 m Bq·m~(-3),年均值分別為0.07 m Bq·m~(-3)、0.65 m Bq·m~(-3)。受降雨影響,總α、總β放射性變化有明顯的季節(jié)特征,總體呈現(xiàn)冬春季高、夏秋季低的特點。監(jiān)測結果與對照點和本底調(diào)查進行比較,總α、總β活度濃度沒有明顯變化,初步判斷陽江核電廠運行安全。
[Abstract]:The total radioactivity of aerosols around nuclear power plants is a major concern. In order to understand the radioactivity level and change trend of total 偽 and total 尾 in aerosols of Yangjiang nuclear power plant, the total 偽 and total 尾 of aerosols in Tai O and Yun Park within 5 km range of Yangjiang Nuclear Power Plant have been sampled and monitored for three years since January 2014. The total aerosol 偽 and total 尾 activity concentration ranges from 0.01-0.35 m Bq m-3 to 0.05-2.46 mBq m-3, respectively, and the annual mean values are 0.07 mBq m-3 and 0.65 MBq m-3, respectively. Under the influence of rainfall, the changes of total 偽 and 尾 radioactivity have obvious seasonal characteristics, showing the characteristics of high in winter and spring and low in summer and autumn. Compared with the control point and background investigation, the monitoring results showed that the total 偽, total 尾 activity concentration had no obvious change, so the operation safety of Yangjiang nuclear power plant was preliminarily judged.
【作者單位】： 廣東省環(huán)境輻射監(jiān)測中心;
【分類號】：TL751;TM623
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本文編號：2117015