KURRI Progress Report 1996

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I. RESEARCH ACTIVITY

1. Slow Neutron Physics and Neutron Scattering

Project Research

(ARS-1) Magnetic Slowing Down and Confinement of Very Cold and Ultracold Neutrons  -Permeability of ultracold neutrons by burnished stainless guide – / N. Inoue et al.  /p.5

Project Research on Magnetic Confinement and Spin Quantum Optical Phenomena with Long Wavelength Neutrons / M. Utsuro   /p. 4

(ARS-2) Polarization and Polarization Analyses of Ultracold Neutrons / S. Tasaki et al.  /p.6

(ARS-3) Studies on the Spin Interference of Tunnelling Neutrons_ with Magnetic Thin Layers-Transverse coherence length of Larmor precession – / N. Achiwaet al.  /p.7

(ARS-4) Quantum Mechanical Studies with Phase-Echo Spin Interferometer -Quantum beat experiments – / D. Yamazaki et al.  /p.8

(ARS-5) Development of a Multilayer Cold Neutron Pulser for Delayed Choice Experiment / T. Kawai et al.  /p.9

Project Research on Residual Stress/Strain Measurements of Metallic Materials / M. Ono  /p.10

(ARS-1) Uses of a Si Bent-Crystal for Crystal Diffractometer with PSD and a Two-stage Chopper for Crystal Diffractometer with TOF in Measurements of Phase Residual Elastic Strains in α-γ Fe-Cr-Ni Alloys / S. Harjo et al.  /p.11

(ARS-2) Deformation and Fracture Characteristics of Fiber-Composites / Ochiai et al.  /p.12

(ARS-3) Development of Neutron Scattering Instruments for Residual Strain/Stress Measurement in Metallic Materials / M. Ono  /p.13

General Research

(1.01) Structural Analysis of Lithium Insertion Materials for Advanced Batteries / T. Ohzuku et al.  /p.16

(1.02) Determination of the Atomic Positions of Light Elements in Transition Metal Fluorides and Hydrides by NPD / K. Kitashita et al.  /p.17

(1.03) Phase Transitions in LlND4SO4 Single Crystal /H. Kasano et al.  /p.18

(1.04) Neutron Structure Study on Crystal Structure of Hydrogen Bonded Crystal, KHSeO4 / M. Machida et al.  /p.19

(1.05) Structure of Chloral Cyclohexylhemiacetal as Studied by Single Crystal Neutron Diffraction,Ⅱ / M. Hashimoto et al  /p.20

(1.06) Neutron Diffraction Studies on RNiSn in High Magnetic Fields / M. Kurisu et al.  /p.21

(1.07) Neutron Diffraction Studies of TbNiSn Single Crystal under High Pressure / Y. Andoh et al.  /p.22

(1.08) Neutron Diffraction Study of RRu2X2(X=Si or Ge) / T. Shigeoka et al.  /p.3

(1.09) Neutron Diffraction Studies of Pressure Effects of Field-Induced Magnetic Structures of ThNi2Si2 / A. Onodera et al.   /p.24

(1.10) Neutron Diffraction Studies on Tb2Ni3Si5 Single Crystal / Y. Hashimoto et al.  /p.25

(1.11) Neutron Diffraction Studies of the Magnetic Structures of Th0.76Y0.24 Single Crystal under High Pressure / S. Kawano et al.  /p.26

(1.12) Molecular Orientation of Drawn Egg White Glass / N. Hiramatsu et al.  /p.21

(1.13) Small-Angle Neutron Scattering Study on k-Carrageenan Gel II / M. Sugiyama et al.  /p.28

(1.14) Structure of Ferroelectric Molecular Crystal as Studied by Single Crystal Neutron Diffraction / M. Hashimoto et al.  /p.29

(1.15) Response of a Magnetic Neutron Mirror to the Pulsed Magnetic Field / T. Kawai et al.  /p.30

(1.16) Observation of Quasibound States of Neutron in Fabry-Perot Ferromagnetic Thin Film Resonator Using Larmor Precession / M. Hino et al.  /p.31

(1.17) UCN Storage Experiment for the Investigation of the Anomalous Interaction with Wall Surfaces / Y. Kawabata et al.  /p.32

(1.18) Recent Improvements on KUR Ultracold Neutron Facility / M. Utsuro et al.  /p.33

2. Nuclear Physics and Nuclear Chemistry

Project Research

Project Research on Nuclear Physics and Solid State Physics by Means of Short-lived Radioisotopes / Y. Kawase  /p.36

(ARS-1) TDPAC Studies on Chemistry of Impurity Atoms / Y. Ohkubo et al.  /p.37

(ARS-2) Study of Synthetic Metals by Mössbauer Spectroscopy / M. Seto et al.  /p.38

(ARS-3) 197Au Mössbauer Study of Au/M (M = Mn, Fe, Co, Ni) Multilayers / S. Nasu et al.  /p.39

(ARS-4) Study on the Au-X Chemical Bond of the Au Mixed Valence Complexes Cs2Au2X6 (X=Cl, Br, I) by Single Crystal 197Au Mössbauer Spectroscopy / N. Kojima et al.  /p.40

(ARS-5) Lifetime and Conversion Electron Measurements in 152Nd / Y. Toh et al.  /p.41

Reflection Asymmetric Deformation in 153Pm / A. Taniguchi et al.  /p.42

(ARS-6) Internal Conversion Electron Measurements Following the Decay of 149Ce and 150Ce / K. Y amauchi et al.  /p.43

(ARS-7) Hyperfine Magnetic Fields in Fe by 140Cs Ion Implantation / Y. Kawase et al.  /p.44

General Research

(2.01) Precision Measurement of Capture γ-Ray Intensities from Thermal Neutron Capture / Y. Natsume et al.  /p.46

(2.02) Gamma-ray Emission Probabilities of 171Er / H. Miyahara et al.  /p.47

(2.03) Measurement of Response Functions of HPGe Detectors for Monoenergetic Electrons and Positrons in an Energy Range of 7-9 Mev / Y. Kojima et al.  /p.48

3. Reactor Physics and Reactor Engineering

General Research

(3.01) Basic Experiments on Reactor-Power Oscillation(II) -Measurements of Flux Distribution – / T. Takeda et al.  /p.50

(3.02) Basic Experiments on Reactor Power Oscillation-(II) -Measurements of Flux Distribution in C35G|10H2O|Core- / O. Aizawa et al.  /p.51

(3.03) Accurate and Quick Measurement of In-Core Neutron Flux Distribution using High Resolution Position Sensitive Detector / C. Mori et al.  /p.52

(3.04) Measurement of Eigenvalue Separation by Using a Position Sensitive Proportional Counter / Y. Yamane et al.  /p.53

(3.05) Measurement of Flux Tilt Caused by Insertion of Control Rod / T. Misawa et al.  /p.54

(3.06) Critical Experiments with a Thorium Fuel Core and a Small H/U Ratio / K. Kudo et al.  /p.55

(3.07) Analyses of Reaction Rate Measurement using New Techniques in KUCA / T. Iwasaki et al.  /p. 56

(3.08) Measurement of Neutron Spectra in KUCA B3/8″P36EU Core by Activation Detector / S. Sakamoto et al.  /p.57

(3.09) Basic Experiments on Reactor-Power Oscillation(II) (Measurements of First-Harmonic Eigenvalue Separation) / K. Hashimoto et al.  /p.58

(3.10) Measurements of Fission Rate Ratio of 237Np to 235U and Capture Rate of 237Np in B3/8″P36EU(3)Core / T. Kitada et al.  /p.59.

(3.11) Heat Transfer and Safety Problems in High-Heat-Hux Boiling Channel (Simplified Correlation of Dryout Heat Hux under How Oscillation) / M. Ozawa et al.  /p.60

(3.12) Study on the Mechanism of Critical Heat Hux for Downward How (Pressure oscillation in downwardflow) /H. Ikawa et al.  /p.61

(3.13) Physical Interpretation of Reciprocal Adjoint-Weighted-Loss Rate for an Infinite Reactor /M. Hayashi  /p.62

(3.14) Comparison of Pin Cell Benchmark Calculations Using Japanese and French Nuclear Code Systems /H. Unesaki et al.  /p.63

(3.15) Investigating Activities on the Sodium Fire Accident of Fast Breeder Reactor MONJU / K. Kobayashi et al.  /p.64

(3.16) Benchmark Validation by means of Pulsed Sphere Experiment at OKTAVIAN / C. Ichihara et al.  /p.65

(3.17) Reactor Physics Study on Light Water Reactors of Next Generation(Ⅲ) / S. Shiroya et al.  /p.66

(3.18) Measurement of 237Np/235U Fission Rate Ratio in the KUCA(Ⅱ) / S. Shiroya et al.  /p.61

(3.19) Study on Research Reactor with Spectrum Shifter Region through Critical Experiments / S. Shiroya et al.  /p.68

(3. 20) Neutronics Study on Regional Oscillation in Nuclear Reactor by Using Coupled Core System in the KUCA / S. Shiroya et al.  /p.69

(3.21) Examination on Measured Data of Effective Multiplication Factor by Feynman-α Method / S. Shiroya et al.  /p.70

(3.22) Neutronics Design Study of Neutron Factory as Future Facility in KURRI / S. Shiroya et al.  /p.71

4. Material Science and Radiation Effects

Project Research

Project Research on Irradiation Effects in Various Materials Irradiated by Neutrons at Low Temperature Region / M. Okada  /p.74

(ARS-1) Temperature Dependence of the Defect Formation Efficiency in TiO2 During Neutron Irradiations / M. Nakagawa et al.  /p.15

(ARS-2) Study of Irradiation Effects in Non-Metallic Conductors(8) / Atobe et al.  /p.76

(ARS-3) Neutron Irradiation Effect in Oxygen-Loaded La2CuO4+δ / K. Ueda et al.  /p.77

(ARS-4) Enhanced Creep of Epoxy-resin during Electron Beam Irradiation / T. Nishimura et al.  /p.78

(ARS-5) Positron Annihilation Lifetime Study of Irradiated Iron and Nickel / E. Kuramoto et al.  /p.19

(ARS-6) Measurement of Electrical Properties in Neutron-Irradiated Silicon Carbide(2) / S. Kanazawa et al.  /p.80

General Research

(4.01) Evaluation of the Defect Structure in Neutron Transmutation Doped Semi-Insulating GaAs by the Raman Scattering Method / K. Kuriyama et al.  /p.82

(4.02) Determination of Al-Impurities Using Purely Thermal NAA and ESR-and Luminescence Observation Associated with γ- Irradiation on Some Quartzes / T. Hashimoto et al.  /p.83

(4.03) Positron Annihilation 2D-ACAR study of Electron-Irradiated Diamond / M. Hasegawa et al.  /p. 84

(4.04) Effect of Doping on Molecular Motion in Polyoctylthiophene Studied by Proton T1 and Transport Measurements / S. Kazama et al.  /p.85

(4.05) An ESR Study on Hydrogen Atom Encapsulated in γ-irradiated Silsesquioxanes / Y. Matsuda et al.  /p.86

(4.06) Annealing Behavior of Electrical Conductivity of InP Implanted with Sn at a Low Temperature / M. Taniwaki et al.  /p.87

(4.07) Application of the Change of Electrical Characteristics in Insulator Materials under Neutron Irradiated to Neutron Measurement / C. Mori et al.  /p.88

(4.08) Two Emission Bands Observed for Silver Atoms in Ethanol or 2-MethyltetrahydrofuranSolutions at 77K / H. Hase et al.  /p.89

(4.09) Studies of Metal Complexes by γ-Ray Irradiation at Low Temperatures / M. Hoshino et al.  /p.90

(4.10) Mechanism of the Solid State Reaction of Cobalt Complex Induced by Light or Radiation / Y. Takenaka et al.  /p.91

(4.11) A Study on Irradiation Rate Dependence of Irradiation Embrittlement Caused by Copper in Iron / H. Ino et al.  /p.92

(4.12) Radiation Damages on Alkylammonium-silver-iodide Superionic Glasses / T. Awano et al.  /p.93

(4.13) Effects of Neutron Dose Rate on Defect Ouster Formation / Q. Xu et al.  /p.94

(4.14) Response of Nylon 6/Iodine Complex with Humidity / A Kawaguchi  /p.95

(4.15) Annihilation of Point Defects and Microstructure Evolution during Cascade Damage / T. Yoshiie  /p.96

5. Geochemistry and Environmental Science

General Research

(5.01) Geochemical Study by Neutron Activation Analysis on Precipitates in the Atmosphere and the Hydrosphere / K. Kato et al. /p.98

(5.02) Monitoring of Tokyo Bay Coastal Water Quality by Neutron Activation Analysis of Blue Mussel Shells / M. Yamazaki et al.  /p.99

(5.03) Numerical Experiment of the Local Atmospheric Circulation in Northwestern China / M. Mizuma  /p.100

(5.04) Noble Metals in Ocean Hoor Rock Samples / K. Kimura et al.  /p.101

(5.05) Radiological Impact on the Environment of the Use of Nuclear Energy / T. Imanaka et al.  /p.102

(5.06) Removal of Radiocesium by a Vermiculite Column / A. Koyama et al.  /p.103

(5.07) Crustal Thermal History with 39A r /40A r and Fission-Track Thermochronology / T. Matsuda et al.  /p.104

(5.08) The Trace element Contents of Marine Sediments of newly found Okinawa Trough Active Hydrothermal Sites / T. Oomori et al.  /p.105

(5.09) Geochemical Study of Trace Elements in the Hydrosphere by Neutron Activation Analysis -Trace Element Geochemistry of Settling Particles from Different Oceans / T. Masuzawa et al.  /p.106

(5.10) Geochemical Variation of Size Fractions of River Sediments / T. Seki et al.  /p.107

(5.11) Geochemical study on the Sangan Iron Skam Deposit, Northeastern Iran / T. Mizuta et al.  /p.108

(5.12) Neutron Activation Analysis of Geochemical and Plant Samples -Effects of Interfering Nuclear Reactions- / K. Sakamoto et al.  /p.109

(5.13) Grain Size Effect on Migration Behavior of Nuclides in Compacted Montmorillonite / T. Kozaki et al  /p.110

(5.14) REE Composition of the Paleozoic and Mesozoic Mudstones in SW Japan / M. Musashino et al.  /p.111

(5.15) Study on Thermoluminescence Characteristics of Meteorites / S. Matsunami et al.  /p.112

(5.16) Origin of Paleo-Mesozoic Oceanic Basalts Deduced from Trace Element Abundance VI: Variety of rhyo-dacite in the NW Seto Inland Sea area / K. Tazaki et al.  /p.113

(5.17) Effects of Acidification in Precipitation on Chemical Substance Circulation in Forest Ecosystem / Y. Katayama et al.  /p.114

(5.18) The Studies on Tectonic Histories of Japan Island by Radiometric Age Determinations / T. Tagami et al.  /p.115

(5.19) Geochemical Investigations of Trace Element Abundances of Island-arc Igneous and Sedimentary Rocks / T. Fujitani et al.  /p.116

(5.20) Neutron Activation Analysis of Ivory Obtained from Kruger National Park in Republic of South Africa / T. Takeuchi et al.  /p.117

(5.21) Measurement of Reaction Rate Distribution of 237Np in a Large D2O Reflector / T. Iwasaki et al.  /p.118

(5.22) The Influence of Acid Rain on the Earth Environments / Y. Tanizaki et al.  /p.119

(5.23) Element Analysis of Paper of Ancient Manuscripts / M. Kohno et al.  /p.120

(5.24) Study on the Environmental Load and Dynamic Behavior of Trace Elements Released as Chemical Fallout / S. Morisawa et al.  /p.121

(5.25) Movement of Mercury from Minamata Bay Based on a Twenty Year Observation at Yatsushiro Sea / M. Sugahara et al.  /p.122

(5.26) Photon Activation Analysis of Environmental Samples by KURRI—LINAC(II) / K. Masumoto et al.  /p.123

6. Life Science and Medical Science

General Research

(6.01) Biological Effects of Intermediate Energy Neutrons / H. Utsumi et al.  /p.126

(6.02) Cell-killing Efficiency and Number of Platinum Atoms Binding to DNA, RNA and Protein Molecules in HeLa Cells Treated with Combinations of trans-Diammine-dichloroplatinum(Ⅱ) / M. Akaboshi et al  /p.127

(6.03) Determination of Rare Earth Elements in Fem Leaves using Instrumental Neutron Activation Analysis /J. Takada et al.  /p.128

(6.04) Electrophoretic Behavior of Dihydroxyborylphenylalanine Analog in Di-and Tricarboxylic Acid Supporting Solutions/ Y. Kitaoka et al.  /p.129

(6.05) Substituent Effects on the Chemical Nature of BPA and Related Boron-Containing Amino Acids in Aqueous Solution / M. Kobayashi et al.  /p.130

(6.06) Mutational Specificity of the supF Gene Induced by Riboflavin Photosensitization in Mut M Mutator Mutant E. coli / K. Tano et al.  /p.131

(6.07) Mutagenic Effects at HPRT Locus Induced in Chinese Hamster Ovary (CHO) Cells / Y. Kobayashi et al.  /p.132

(6.08) Studies on the Synergistic Killing Effect of High LET Radiation and Hyperthermia in Deinococcus Radiodurans (VIII)-Relationship between LET and RBE Values for D. Radiodurans Dry and Wet Cells – / K. Harada et al.  /p.133

(6.09) Organ Distribution of Vanadium in Rats Administered Insulin-mimetic Vanadyl Complexes / H. Sakurai et al.  /p.134

(6.10) Arsenic Affinity to Various Cells of Rat Organs / M. Katayama et al.  /p.135

(6.11) Formation of 35S-Adduct of Fullerenes using Neutron Irradiation / S. Morisaki et al.  /p.136

(6.12) Zinc Effect on Necrotic Lesion Caused by Pressure Sores / Y. Okamoto et al.  /p.137

(6.13) Trace Elements in Land Plants Especially Moss and Fem by Instrumental Neutron Activation Analysis /S. Imai et al.  /p.138

(6.14) Neutron Activation Analysis of Multielement in Human Organs /T. Sato et al.  /p.139

(6.15) Biological Effectiveness of Neutrons with Different Energy Spectra /M. S. Sasaki et al.  /p.140

(6.16) Neutron Beam-induced Accumulation of W AFI in Glioblastoma Cells /T. Ohnishi et al.  /p.141

(6.17) Stable Liposomes by Gamma-Ray Polymerization of Egg-Lecithin /S. Katayama et al.  /p.142

7. Neutron Capture Therapy

General Research

(7.01) Effective Methods of Injection of Cisplatin for Malignant Brain Tumor / E. Ikawa et al.  /p.144

(7.02) A Basic Study for Development of Boron-porphyrin Compound for Neutron Capture Therapy / A. Matsumura et al.  /p.145

(7.03) Carbon-11-Labeled Ceramide and Sphingomyelin Turnover in Radiation Induced Apoptosis: Preliminary Report / S. Ueda et al.  /p.146

(7.04) Boron Neutron Capture Therapy for Gliomas Based on Positron Emission Tomography: Segmental Convolution Method for Estimation of Tumor 10B-Level / S. Ueda et al.  /p.147

(7.05) Morbid Aging and Trace Elements in the Brain–The Relationship between Iron and Aluminum of the Hippocampus and Olfactory Bulb in Zinc Deficiency- / Y. Arakawa et al.  /p.148

(7.06) Boron Delivery to Tumors Mediated by Polyethylene Glycol-binding BSA / H. Yanagie et al.  /p.149

(7.07) Comparison of Cytocidal Effect of Gadolinium and Boron in Neutron Capture Reaction / K. Tokuuye et al.  /p.150

(7.08) Effect of BPA-Based Boron Neutron Capture Therapy on Normal Rats / M. Nakaichi et al.  /p.151 /

(7.09) Boron Concentration on Melanoma-bearing Hamster after Administration of p-, m-, o-Boronophenylalanine / M. Ichihashi et al.  /p.152

(7.10) Enhancement of Killing Effect on Amelanotic Melanoma by BNCT with Tyrosinase-gene Transfer / J. Hiratsuka et al.  /p.153

(7.11) Mental Stress and Trace Elemental Concentrations in Hair / S. Ohmori et al.  /p.154

(7.12) Estimation of irradiation Induced Liver Damage with γ-ray and BNCT Using 99mTc-GSA Clearance / K. Uokawa et al  /p.155

(7.13) Biological Characteristic of Neutron Beam from Remodeled Heavy Water Facility / K. Ono et al.  /p.156

(7.14) Radiation Necrosis and Related Factors after Boron Neutron Capture Therapy / Y. Nakagawa et al.  /p.157

(7.15) Boron Neutron Capture Therapy for Glioblastoma Multiforme / M. Takagaki et al.  /p.158

(7.16) Boron Neutron Capture Therapy for Glioblastoma Multiforme / M. Takagaki et al.  /p.159

(7.17) Time-course Changes in the Hypoxic Fraction of Total and Quiescent Cells in Solid Tumors after Modest Temperature Hyperthermia / S. Masunaga et al.  /p.160

(7.18) Effects of Bioreductive Agent, SR 4233, on Quiescent Cells in Solid Tumors, Using the Micronucleus Frequency Assay / S. Masunaga et al.   /p.161

(7.19) Evaluation of Damage of Hepatocytes in Mice Following Experimental BNCT by Micronucleus assay / M. Suzuki et al.  /p.162

(7.20) Irradiation Characteristics of the updated KUR Heavy Water Facility I. Neutron Flux and Gamma-ray Dose at the Standard Irradiation Position / T. Kobayashi et al.  /p.163

(7. 21) Irradiation Characteristics of the Updated KUR Heavy Water Facility II. Depth Dose Distribution in a Human Body for Neutron Capture Therapy / Y. Sakurai et al.  /p.164

8. Neutron Radiography and Radiation Application

Project Research

Project Research on Advanced Electron-Beam Application / T. Matsuyama.  /p.166

(ARS-1) Pre-Bunched Free Electron Laser with a Quasi-Continuous Spectrum /Y. Shibata et al.  /p.167

(ARS-2) Millimeter-Wave Spectroscopy Utilizing Coherent Transition Radiation / Takahashi et al. .  /p.168

(ARS-3) Measurement of Parametric X-ray Radiation from a Silicon Single Crystal / M. Seto et al.  /p.169

(ARS-4) Study on Neutron Measurement and Utilization / K. Kobayashi et al.  /p.170

General Research

(8.01) Sensitivity and Image Quality of Non-Destructive Testing Rapid Film for Neutron Radiography(II) / Y. Tsujii et al.  /p.172

(8.02) Application of Cold Neutron Radiography to Study the lithium Ion Conduction in Ca0.95Li0.10 WO4 / M. Kamata et al.  /p.173

(8.03) Basic Research on Quantitative Analysis by Neutron Radiography / M. Tamaki et al.  /p.174

(8.04) Positron Imaging Using 22Na and 58Co / M. Doyama et al.  /p.175

(8.05) Neutron Radiography Application to Ancient Bronze and Iron Objects with Organic and Preparatory Qualitative Analysis / F. Masuzawa et al.  /p.176

(8.06) Neutron Radiography with 124Sb-Be Source / M. Fujishiro et al.  /p.177

9.Waste and TRU management

Project Research

Project Research on the Management of TRU Elements /H. Moriyama  /p.180

(ARS-1) Measurement of Nuclear Data for Minor Actinides / K. Kobayashi et al.  /p.181

(ARS-2) Research for the Multi-Mode Fission Mechanism and Characteristics of Fission Products -Scission Point Configuration of 233U(nth,f)- / K. Takamiya et al.  /p.182

(ARS-3) Basic Study of Neutron Induced Nuclear Fission / K. Nishio et al.  /p.183

(ARS-4) Geochemical Behavior of Radionuclides / T. Yamamoto et al.  /p.184

(ARS-5) Analysis of Actinide Elements and Fission Products / H. Takemi et al.  /p.185

(ARS-6) Process Chemistry of TRU Elements / H. Moriyama et al.  /p.186

General Research

(9.01) Measurement of Reaction Rate Distribution of 237Np in a l.argeD2O Reflector / T. Iwasaki et al.  /p.188

10. Health Physics and Radiation Safety

Project Research

Project Research on Radiation Protection to the Manageable Ionizing Radiation in the KURR! Facilities / T. Tsujimoto.  /p.190

(ARS-1) Dynamics of Radon, Thron and their Progeny in the KUR FacilityⅢ / K. Yamasaki et al.  /p.191

(ARS-2) Improvements of Dosimetric Methods for Secondary Radiations Induced by Neutron Reactions -Development of a Radiation Direction Detector Using Plastic Scintillation Fiber- / I. Urabe et al.  /p.192

(ARS-3) Development of a Dose Measurement Method in n-X (y) Mixed Field / T. Yamamoto et al.  /p. 193

(ARS-4) Study on Measuring Method for Distinguishing Radon and Thoron Concentrations / T. Tsujimoto et al.  /p.194

General Research

(10.01) A Consideration on Estimating the Reduction of 41Ar in Exhaust Streams Using a Small Column Packed with Porous Media / M. Fukui  /p.196

(10.02) Studies on Detection of Neutron from (γ, n) Reaction at Linear Accelerator for Medicine / K. Morikawa et al.  /p.197

II. ORGANIZATION

III. RESEARCH DIVISIONS AND LABORATORIES

IV. OPERATION AND DEVELOPMENT OF FACILITIES

V. RADIATION PROTECTION AND MONITORING

VI. PUBLICATIONS (APRIL 1995 -MARCH 1996)

VII. MEETINGS, SEMINARS AND VISITING SCIENTISTS

VIII. COMMITTEE MEMBERS