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LI JINGWEN;LU HANLIN;RONG CHAOFAN;ZHAO WENRONG;YU WEIXIANG;CHENG JIANGTAO;W. MANNHART;M. WAGNER;H. VONACH China Institute of Atomic Energy, P. O. Box 275, Beijing, 102413 Physikalisch-Technische Bundesanstalt, Federal Republic of Germany Institut fur Radiumforschung und Kernphysik, Austria. THE INTERCOMPARISON OF MASS OF ~(238)U FISSION DEPOSITS[J]. Atomic Energy Science and Technology, 1993, 27(6): 540-540. DOI: 10.7538/yzk.1993.27.06.0540
Citation: LI JINGWEN;LU HANLIN;RONG CHAOFAN;ZHAO WENRONG;YU WEIXIANG;CHENG JIANGTAO;W. MANNHART;M. WAGNER;H. VONACH China Institute of Atomic Energy, P. O. Box 275, Beijing, 102413 Physikalisch-Technische Bundesanstalt, Federal Republic of Germany Institut fur Radiumforschung und Kernphysik, Austria. THE INTERCOMPARISON OF MASS OF ~(238)U FISSION DEPOSITS[J]. Atomic Energy Science and Technology, 1993, 27(6): 540-540. DOI: 10.7538/yzk.1993.27.06.0540
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    • Abstract
  • An intercomparison is made between CIAE two pieces of ~(238)U sample deposits and IRK stan-dard ~(238)U sample deposit at PTB, IRK and CIAE. Four methods are used in the study: 1. A fastneutron fission yield ratio measurements are carried out at the PTB cyclotron facility. 2. Absolutemeasurements mass of ~(238)U sample deposits are performed by means of 2πα gas-flow proportionalcounter at IRK. 3. Absolute measurements mass ~(238)U sample deposits are performed by means of2πα multiple--wire gas-flow proportional counter at Division of Radiometrology, CIAE. 4. Themass of two pieces of ~(238)U sample deposits are determined by measuring the alpha-particle activityin Department of Nuclear Physics, CIAE. This investigation produced the following calibrationvalues for CIAE two pieces of ~(238)U sample deposits: 860. 25±6. 02 micrograms and 913. 96±6.40 micrograms, respectively.
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