方法对比
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| 临界安全分析× | 核衰变分析× | |
|---|---|---|
| 领域 | 核物理学 | 核物理学 |
| 方法族 | Process / pipeline | Process / pipeline |
| 起源年份≠ | 1938 | 1900 |
| 提出者≠ | Otto Hahn, Fritz Strassmann | Ernest Rutherford, Frederick Soddy |
| 类型≠ | safety assessment methodology | analytical process model |
| 开创性文献≠ | American National Standards Institute (2019). Nuclear Criticality Safety in Operations with Fissionable Material Outside Reactors. ANSI/ANS-8.1-19.40. link ↗ | Evans, R. D. (1955). The Atomic Nucleus. McGraw-Hill. link ↗ |
| 别名 | nuclear safety assessment, chain reaction analysis, fissile material control | decay kinetics, radioactive decay modeling, half-life analysis |
| 相关 | 5 | 5 |
| 摘要≠ | Criticality safety analysis is a systematic evaluation of fissile material systems to ensure nuclear chain reactions remain controlled, originating from Hahn and Strassmann's 1938 discovery of nuclear fission. It determines safe limits on fissile mass, concentration, geometry, and spacing using neutron transport calculations and experimental validation to prevent uncontrolled nuclear excursions in storage, processing, and transportation. | Nuclear decay analysis is the systematic study of radioactive transformation processes, originating from Rutherford and Soddy's work in the early 1900s. It quantifies the rate and modes of nuclear disintegration using decay constants, half-lives, and branching ratios to predict activity evolution, date samples via radiometric methods, and assess the long-term hazard from radioactive materials. |
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