On the Simultaneous Measurements of the Particle Size Distribution of Radioactive Charged Aerosols and Concentration Ratio of Positive to Negative (The Second Report)

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概要

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• A parallel plate type of mobility spectrometer provided with nuclear plates which are placed in a row in the middle area of collecting plates prior to sampling is examined for measuring the mobility spectra of radioactive charged aerosols. By this technique, it is able to record α ray tracks of radioactive substances collected on the surface of nuclear plates during and after sampling, In stored radioactive aerosols in a vessel carrying Rn decay products, RaA was often found clearly on the developed nuclear plate its star type α tracks with the mobility ranging from 3 cm^2/v. sec to 0.3 cm^2/v. sec.

• 日本放射線影響学会の論文

著者

• 関川 俊男

  東京理科大学理学部物理学教室

• 望月 定

  東京理科大学理学部物理学教室

• 関川 俊男

  Department of Physics, Science University of Tokyo

• 望月 定

  Department of Physics, Science University of Tokyo

• 関川 俊男

  Department Of Physics Science University Of Tokyo

関連論文

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• 温故而知新, 可以為師矣(故きを温ねて新しきを知る, 以て師為るべし)(精密工学の最前線)
• Mobility Spectra of Radon Daughter Aerosols Stored in a Vessel
• On the Simultaneous Measurements of the Particle Size Distribution of Radioactive Charged Aerosols and Concentration Ratio of Positive to Negative (The Second Report)
• On the Simultaneous Measurements of the Particle Size Distribution of Radioactive Charged Aerosols and Concentration Ratio of Positive to Negative (First Report)
• 室工大構内における大気電気要素の観測(I) : 地表面近傍大気中での自然放射線の変動特性

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