查詢結果分析
來源資料
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題 名 | 核能電廠放射性氣體核種快速定性定量分析=In Situ Rapid Quantitative Determination of Gaseous Radionuclides Released from Nuclear Facility |
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作 者 | 陳健懿; 鍾堅; 林昶伸; 葉偉文; 李城忠; | 書刊名 | 台電工程月刊 |
卷 期 | 585 1997.05[民86.05] |
頁 次 | 頁29-37 |
分類號 | 449.62 |
關鍵詞 | 高純度; 鍺偵檢器; 放射性氣體; 機動快速監測; High-purity germanium; Detector; HPGe; Gaseous radionuclide; Mobile, rapid monitoring; |
語 文 | 中文(Chinese) |
中文摘要 | 核反應器在正常運轉時會釋放微量放射性氣體Ar 、 Kr 及 Xe。本文主要探討以手 提式高純度偵檢器 (HPGe),配備全功能能譜量測分析儀 (InSpector) 作為現場機動快速量 測偵檢系統,針對密閉室及圍阻體外均勻瀰漫放射性氣體作一定性、定量、瞬時、線上之量 測。實驗結果顯示,本偵檢系統除有極佳的準確性外,其最低可測濃度遠低於法規律定之參 考濃度(每一萬秒的計測,氣態鈍氣核分裂產物的最低可測濃度約為參考濃度的 0.07 %∼ 3.22 %),故 o 應用於核災及核子事故之放射性氣體的抉速定性定量分析,作到及時警示 之功效。此外,經由偵檢器晶體體積與相對效率之線性自關,在應急時可對不同型號之同類 偵檢器作一效率推導,就地進行快速定量偵測。 |
英文摘要 | Under normal operation, continuous release of gaseous radionuclides of tracer amount. Ar. Kr and Xe isotopes from reactor can be found. We examine the applicability of real-time monitoring of gaseous radionuclide with portable high-purity germanium detector (HPGe) with built - n analy-tical program. The system is designed for the quantiative, qualitative, prompt, and on-line measurement both in sealed chamber and outdoor surrounded with gasous radionuclide. The results show that the detector system is available for the measurement of minimum detectable concentration (MDC) FAR LESS (0.07 %∼ 3.22 % ) than the air concentration (DAC) required by law. application of such portable system can be made to detect the gaseous radionuclides in nuclear disaster and nuclear war. there exists a linear relationship between crystal volume and relative efficiency such that the interrelation among efficiencies of various detectors can be developed for emergent and prompt utilization of stand- off detectors. |
本系統中英文摘要資訊取自各篇刊載內容。