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| 線量測定 (Dosimetry Measurement)× | 中性子放射化分析× | |
|---|---|---|
| 分野 | 原子核物理学 | 原子核物理学 |
| 系統 | Process / pipeline | Process / pipeline |
| 提唱年≠ | 1896 | 1936 |
| 提唱者≠ | Wilhelm Röntgen, Henri Becquerel | George de Hevesy, Hilde Levi |
| 種類≠ | experimental measurement methodology | analytical measurement technique |
| 原典≠ | Knoll, G. F. (2010). Radiation Detection and Measurement (4th ed.). John Wiley & Sons. link ↗ | Chadwick, J. (1932). Possible Existence of a Neutron. Nature, 129(3252), 312. DOI ↗ |
| 別名 | dose measurement, radiation monitoring, exposure quantification | NAA, activation analysis, trace element analysis |
| 関連 | 5 | 5 |
| 概要≠ | Dosimetry measurement is the experimental quantification of radiation dose and exposure, originating from Röntgen and Becquerel's 1890s discoveries. It employs specialized detectors (ion chambers, TLD, Geiger counters) to measure photon and particle energy deposition in biological tissue or materials, providing direct evidence of exposure for worker protection, patient dose verification, and environmental monitoring. | Neutron activation analysis (NAA) is an analytical technique for determining elemental composition by bombarding samples with neutrons to produce radioactive isotopes, invented by de Hevesy and Levi in 1936. By measuring decay gamma rays from irradiated samples, NAA quantifies trace and major elements with high sensitivity, specificity, and accuracy without requiring destructive dissolution or complex sample preparation. |
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