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STANDARD SAMPLE FOR RADIOACTIVITY MEASUREMENT AND PRODUCTION METHOD OF STANDARD SAMPLE FOR RADIOACTIVITY MEASUREMENT
STANDARD SAMPLE FOR RADIOACTIVITY MEASUREMENT AND PRODUCTION METHOD OF STANDARD SAMPLE FOR RADIOACTIVITY MEASUREMENT
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机译:放射性测量标准样品以及放射性测量标准样品的生产方法
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摘要
PROBLEM TO BE SOLVED: To provide a standard sample which can be used for radioactivity measurement of a raw wood used for cultivation of fungi, and excellent in reliability and stability.SOLUTION: A standard sample 10 is a standard sample used for radioactivity measurement of a raw wood used for cultivation of fungi. The standard sample 10 comprises a columnar core material 20 containing wood, and a coating member 40 for coating the core material 20. The core material 20 has on a side face part thereof, a radioactive material-containing region 220.SELECTED DRAWING: Figure 2
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