科学时代
科學時代
과학시대
SCIENTIFIC EPOCH
2015年
10期
58-58,59
,共2页
核电站%周围环境%总α%总β%放射性水平
覈電站%週圍環境%總α%總β%放射性水平
핵전참%주위배경%총α%총β%방사성수평
nuclear power plant%ambient%total α,total β%radioactivity
目的监测核电站周围环境辐射水平与环境介质中放射性核素活度，并与运行前本底和有关标准进行比较，监视核电站周边环境辐射水平的变化和放射性核素的累积情况，评价核电站放射性物质排放对周围环境的影响.方法依据国家相关放射性检测标准与规范，分别采集核电站周围与对照地区环境中气溶胶、大气沉降物和饮用水，进行总放射性水平监测。<br> 结果2013年宁德核电站周围环境气溶胶总α、总β活度浓度分别为0.09±0.07mBq/m3、1.03±0.67 mBq/m3，对照地区为0.18±0.11mBq/m3,1.02±0.68 Bq/m3；核电站周围环境大气沉降物总α、总β活度浓度分别为0.05±0.04Bq/m2?d 、0.11±0.06Bq/m2?d，对照地区为0.14±0.08Bq/m2?d、0.20±0.08Bq/m2?d ；核电站周围环境饮用水源地水活度浓度0.004 Bq/L、0.044Bq/L，对照地区为0.005 Bq/L、0.067 Bq/L。结论宁德核电站周围环境样品中总α、总β放射性水平与对照点无差异，且与运行前本底值相比，也没有明显变化。
目的鑑測覈電站週圍環境輻射水平與環境介質中放射性覈素活度，併與運行前本底和有關標準進行比較，鑑視覈電站週邊環境輻射水平的變化和放射性覈素的纍積情況，評價覈電站放射性物質排放對週圍環境的影響.方法依據國傢相關放射性檢測標準與規範，分彆採集覈電站週圍與對照地區環境中氣溶膠、大氣沉降物和飲用水，進行總放射性水平鑑測。<br> 結果2013年寧德覈電站週圍環境氣溶膠總α、總β活度濃度分彆為0.09±0.07mBq/m3、1.03±0.67 mBq/m3，對照地區為0.18±0.11mBq/m3,1.02±0.68 Bq/m3；覈電站週圍環境大氣沉降物總α、總β活度濃度分彆為0.05±0.04Bq/m2?d 、0.11±0.06Bq/m2?d，對照地區為0.14±0.08Bq/m2?d、0.20±0.08Bq/m2?d ；覈電站週圍環境飲用水源地水活度濃度0.004 Bq/L、0.044Bq/L，對照地區為0.005 Bq/L、0.067 Bq/L。結論寧德覈電站週圍環境樣品中總α、總β放射性水平與對照點無差異，且與運行前本底值相比，也沒有明顯變化。
목적감측핵전참주위배경복사수평여배경개질중방사성핵소활도，병여운행전본저화유관표준진행비교，감시핵전참주변배경복사수평적변화화방사성핵소적루적정황，평개핵전참방사성물질배방대주위배경적영향.방법의거국가상관방사성검측표준여규범，분별채집핵전참주위여대조지구배경중기용효、대기침강물화음용수，진행총방사성수평감측。<br> 결과2013년저덕핵전참주위배경기용효총α、총β활도농도분별위0.09±0.07mBq/m3、1.03±0.67 mBq/m3，대조지구위0.18±0.11mBq/m3,1.02±0.68 Bq/m3；핵전참주위배경대기침강물총α、총β활도농도분별위0.05±0.04Bq/m2?d 、0.11±0.06Bq/m2?d，대조지구위0.14±0.08Bq/m2?d、0.20±0.08Bq/m2?d ；핵전참주위배경음용수원지수활도농도0.004 Bq/L、0.044Bq/L，대조지구위0.005 Bq/L、0.067 Bq/L。결론저덕핵전참주위배경양품중총α、총β방사성수평여대조점무차이，차여운행전본저치상비，야몰유명현변화。
objective Monitoring of environmental radiation levels around the plant and the environment medium radioactive nuclide activity, and compared with before operation background and the related standards, monitoring the change of environmental radiation levels around the plant and the accumulation of radioactive nuclide, to assess the effects of a nuclear radiation emission on the surrounding environment. Methods based on relevant national radioactive testing standards and norms, gathering around the plant and contrast region respectively aerosols, atmospheric fallout in the environment and drinking water, total radiation level monitoring. Results ambient aerosols Ningde nuclear power station in 2013 totalα, β activity concentrations were 0.09 + / - 0.07 mBq/m3 and 1.03 + / - 0.67 mBq/m3, controlled area was 0.18 + / - 0.11 mBq/m3, 1.02 + / - 0.68 Bq/m3;Around the plant environmental atmospheric fallout of total α,β activity concentrations were 0.05 + / - 0.04 Bq/m2 ? d, 0.11 + / - 0.06 Bq/m2 ? d, controlled area was 0.14 + / - 0.08 Bq/m2, d, 0.20 +/ - 0.08 Bq/m2, d;Around the plant source of drinking water water activity concentration 0.004 Bq/Bq/L and 0.044 L, controlled area is 0.005 Bq/Bq/L and 0.067 L. Conclusion The total α, β radioactivity level have no statistical significance in Ningde Ningde nuclear power plant and in control areal .and compared with before running background value, also have no obvious change.
