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首页> 外文期刊>Radiation Protection Dosimetry >DETECTION PROPERTIES OF A MEASURING SYSTEM FOR A CONTINUOUS SOIL RADON CONCENTRATIONS MONITORING
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DETECTION PROPERTIES OF A MEASURING SYSTEM FOR A CONTINUOUS SOIL RADON CONCENTRATIONS MONITORING

机译：连续土壤RA浓度监测系统的检测特性

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摘要

The continual soil-gas radon concentration measurements are absolutely crucial for a reliable assessment of radon entry characteristics into the indoor building environment. For this purpose, a new detection system (a continuous monitor RM-3) was developed and tested. The detection principle of the monitoring device is based on an airflow ionisation chamber operating in a current mode. A comprehensive series of testing and calibration experiments have been carried out in a laboratory environment. An output signal of the device caused by the radon concentration in a sensitive detection volume significantly depends on a detector ventilation rate, the gas flow rate through the ionisation chamber. A set of calibration experiments was accomplished with the artificial radon source application and close circuit experimental arrangements. The system detection properties including applied experimental conditions and key results of pilot in situ measurements are reported in detail.
机译：连续进行土壤气ra浓度测量对于可靠评估don进入室内建筑环境的特性至关重要。为此，开发并测试了新的检测系统（连续监测仪RM-3）。监视设备的检测原理基于以电流模式运行的气流电离室。在实验室环境中已进行了一系列全面的测试和校准实验。由敏感检测体积中的concentration浓度引起的设备的输出信号在很大程度上取决于检测器的通风速率，通过电离室的气体流速。使用人造ra源应用和闭路实验装置完成了一组校准实验。详细报告了系统检测特性，包括应用的实验条件和现场试验的关键结果。

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