评估标准物质计量特性的统计方法

IF 0.1 Q4 INSTRUMENTS & INSTRUMENTATION
Volodymyr Skliarov, Kostiantyn Ozerskyi, Andrii Pustovyi
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引用次数: 0

摘要

社会的工业和非工业部门都在使用物质和材料成分与特性的标准参考材料,以确保无法使用标准提供的测量类型的测量统一性和可追溯性。在战争和侵略国全面入侵导致核威胁加剧的时期,有必要加强对电离辐射检测块、辐射监测系统的测量通道、辐射计和辐射测量装置以及阿尔法、贝塔和伽马辐射光谱仪的验证。本文的目的是演示如何评估参考材料(铕-152 (Eu-152)、铯-137 (Cs-137)和钍-232 (Th-232))在按照国际规定生成和校准时的测量不确定度。考虑到天然半衰期放射性标准物质的均质特性和稳定性,对其测量不确定度的评估是相关和有效的。为了评估这些特性以及测量不确定度,我们进行了单变量方差分析。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A statistical method for the assessment of metrological characteristics of reference materials
Standard reference materials of the composition and properties of substances and materials are used in both industrial and non-industrial sectors of society to ensure measurement uniformity and traceability in those types of measurements that cannot be provided using standards. During times of war and increased nuclear threat due to a full-scale invasion by an aggressor state, there is a need for heightened attention to the verification of ionizing radiation detection blocks, measurement channels of radiation monitoring systems, radiometers, and radiometric installations, as well as alpha, beta, and gamma radiation spectrometers. The aim of the paper is to demonstrate the method to evaluate the measurement uncertainty of reference materials (Europium-152 (Eu-152), Сaesium-137 (Cs-137), and Thorium-232 (Th-232)) when they are generated and calibrated according to the international regulations. The evaluation of the measurement uncertainty of a radioactive reference material with a natural half-life period is relevant and valid, considering its homogeneity properties and stability. To assess the properties, as well as the measurement uncertainty, one-variant variance analysis was performed.
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来源期刊
Ukrainian Metrological Journal
Ukrainian Metrological Journal INSTRUMENTS & INSTRUMENTATION-
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