Long-term determination of airborne radon progeny concentrations using LR 115 solid-state nuclear track detectors
Long-term determination of airborne radon progeny concentrations using LR 115 solid-state nuclear track detectors
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DOI：
10.1016/j.radmeas.2011.04.025
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发表时间：
2011-12-01
影响因子：
2
通讯作者：
Nikezic, D.
中科院分区：
文献类型：
--
作者：
Yu, K. N.;Nikezic, D.
本文描述了建立雅可比房间模型参数的对数正态分布，以改进现有的用LR 115固体核径迹探测器长期被动测量平衡因子的方法，即通过代理平衡因子(F-p)方法。F-p定义为(C-1+C-3)/C-0，其中C-0、C-1和C-3分别是Rn-222和空气中的r.S的浓度，Po-218和218Po(或214ISI)的浓度。所研究的Jacobi房间模型参数包括通气率lambda(V)、气溶胶附着率lambda(A)、独立子代的沉积率lambda(U)(D)和附着子的沉积率lambda(D)。与传统的均匀分布相比，对数正态分布得到了更真实的平衡因子F和势能浓度的独立分数f(P)的分布，并且F和F-p之间的关系更加紧密。利用F与F-p之间的新关系，提高了F-p法由F-p确定F的精度。(C)2011爱思唯尔有限公司。保留所有权利。
This paper described the establishment of lognormal distributions for the Jacobi room model parameters with a view to improve an existing method for long-term passive measurements of the equilibrium factor using LR 115 solid-state nuclear track detectors, namely, through the proxy equilibrium factor (F-p) method. F-p is defined as (C-1 + C-3)/C-0 where C-0, C-1 and C-3 are the concentrations of Rn-222, and the airborne r..s, concentrations of Po-218 and (218)po (or (214)isi) respectively. The studied Jacobi room model parameters included the ventilation rate lambda(v), the aerosol attachment rate lambda(a), the deposition rate lambda(u)(d) of unattached progeny and the deposition rate lambda(d) of attached progeny. The lognormal distributions generated more realistic distributions for the equilibrium factor F and the unattached fraction f(p) of the potential alpha energy concentration, and a much tighter relationship between F and F-p, when compared with the traditionally used uniform distributions. With the new relationship between F and F-p, the accuracy of the F-p method to determine F from F-p is significantly improved. (C) 2011 Elsevier Ltd. All rights reserved.