KURRI Progress Report 1998

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I. RESEARCH ACTIVITY

1. Slow Neutron Physics and Neutron Scattering

Project Research

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

(1.1-1) Deceleration and Confinement of Very Cold and Ultracold Neutrons / N. Inoue et al.  /p.5

(1.1-2) Studies on the Polarization of Ultracold Neutrons / S. Tasaki et al.  /p.6

(1.1-3) Development of White Neutron Spin Echo Interferometer / G. Shirozu et al.  /p.7

(1.1-4) Modified Spin Echo Method Using Cold Neutron Spin Interferometry with RF Flippers / T. Ebisawa et al.  /p.8

(1.1-5) Hysteresis Loop of the Permalloy/Ge Magnetic Mirror working under Low External Magnetic Field / T. Kawai et al.  /p. 9

(1.1-6) New Method of UCN Production by Means of a Spatially Alternating Magnetic Field and Spin Flips / K. Sakai et al   /p.10

General Research

(1.01) Larmor Precession of Neutron Spin through Ferromagnetic Single Crystals /N. Achiwa et al.  /p.12

(1.02) Measurement of Spin Precession Angle of Neutron Transmitted through Magnetic Thin Film with Absorption

M. Hino et al.  /p.13

(1.03) Development of Wide Band Monochromator~ Consisting of a Stack of Multilayers / Y. Kawabata et al.  /p.14

(1.04) Experiment on the Subcritical Transmission Probability of Very Cold Neutrons / M. Utsuro et al.  /p.15

(1.05) Ultracold Neutron Storage Experiments with an Ultra-Fine Polished Bottle of Nonmagnetic Stainless Steel / M. Utsuro and K. Okumura.  /p.16

(1.06) Magnetic Structure of TbRu2Si2 at Low Temperatures / S. Kawano et al.  /p.17

(1.07) Magnetic Structure of TbPdSn / Y. Andoh et al.  /p.18

(1.08) Neutron Diffraction Studies of Nd7Ni3 in an External Magnetic Field / T. Tsutaoka et al.  /p.19

(1.09) Neutron Diffraction Study of TbRh2Ge2 under High Magnetic Fields / T. Shigeoka et al.  /p.20

(1.10) Neutron Diffraction Studies of Tb0.5Er0.5 Single Crystal in an External Magnetic Field / T. Kosugi et al.  /p.21

(1.11) Neutron Diffraction Studies of the Magnetic Structures of Tb0.76T0.24 Single Crystal under High Pressure / T. Kosugi et al.  /p.22

(1.12) Search for Helifan Structure of Holmium by Neutron Diffraction (II) /T. Kosugi et al.  /p.23

(1.13) Neutron Diffraction Study on RNiSn / M. Kurisu et al.  /p.24

(1.14) Crystal Structure Analysis of LiND4SO4 at Room Temperature / H Kasano et al.  /p.25

(1.15) Lattice Distortion of La2-x,SrxCuO4 around the Superconducting Phase Transition / Y. Soejima et al.  /p.26

(1.16) Fourier Synthetic Study on the Methyl-Ammonium Molecules in the Prototypic Phases of MABB and MABA / Y. Iwata et al.  /p.27

(1.17) Neutron Structure Study on Crystal Structure of Hydrogen Bonded Crystal (CH3)2NH2HPO4 / M. Machida et al.  /p.28

(1.18) The Stoichiometry and Defect Structure Analysis of LiTaO3 / E. Suzuki et al.  /p. 29

(1.19) Structural Analysis of Lithium Insertion Materials for Advanced Batteries / T. Ohzuku and Y. Iwata  /p.30

(1.20) Structure of Ti-Si Amorphous Alloys Prepared by Mechanical Alloying / T. Fukunaga  /p.3l

(1.21) Observation of the Anisotropic Decomposition in Materials / T. Fukunaga et al  /p.32

(1.22) Structure of Iodine /Nylon 6 Complex Interacted with Water. II / A Kawaguchi.  /p.33

(1.23) SANS Profile of MCC Aqueous Suspension and Its Temperature Dependence / K. Hara et al.  /p.34

(1.24) Observation of Dehydration Process of Egg White Gel by SANS / A Nakamura et al.  /p.35

(1.25) Structural Study during Electro heating Denaturation Process of Egg White / M Sugiyama et al.  /p.36

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.38

(2.1-1) TDP AC Studies on Physicochemical States of Impurity Atoms / Y. Ohkubo et al.  /p.39

(2.1-2) Study on Synthetic Metals by Using Mössbauer Spectroscopy / M. Seto et al.  /p.40

(2.1-3) 181Ta PAC Study of Hf-Zr Alloys and Fe/Hf Multilayer / S. Nasu et al.  /p.41

(2.1-4) 197Au Mössbauer Spectra of One-Dimensional Au Mixed-Valence Complex [AuCl(dbs)][AuCl3(dbs)](dbs=(C6H5CH2)2S) / N. Kojima et al.  /p.42

(2.1-5) Spin Assignment of the 1810.2keV Level in the 146Ce / S. Yamada et al.  /p.43

(2.1-6) Nuclear Magnetic Moment of the 143Ce Ground State / A. Taniguchi et al.  /p.44

(2.1-7) Qβ Measurements of Low-Spin Isomer of 146La / Y. Kojima et al.  /p.45

(2.1-8) Studies on Metallo-Fullerenes by TDPAC / K. Sueki et al.  /p.4 6

(2.1-9) Hyperfine Magnetic Field Studies by 140Cs Radioactive Ion Implantation /Y. Kawase et al.  /p.47

General Research

(2.01) Prompt γ-Ray Measurement of 14N(n,γ)15N Reaction / K. Higaki et al.  /p.50

(2.02) Precise Measurement of Gamma-Ray Emission Probabilities for 187W / H. Miyahara et al.  /p.51

(2.03) Basic Study for Atomic Mass Determination with βγ Total Absorption Spectrometer -Response Function Measurements for Monoenergetic Electrons and Positrons of BOO Scintillator and HPGe Detector – / M. Shibata et al.  /p.52

(2.04) Observation of the Pion Transfer Process in the H2+Ar and CH4+Ar Gas Mixtures at Various Pressures / A. Shinohara et al.  /p.53

(2.05) Pion Transfer from Hydrogen to Deuterium in H2+D2 Gas Mixtures / A. Shinohara et al.  /p.5 4

(2.06) Radiochemical Study on Intermediate Energy Reactions of Pr, Nb and Cu Targets with 12C and 40Ar Projectiles / H. Araki et al.  /p.55

(2.07) 197Au Mössbauer Study of Nano-Size Gold Catalysts Supported on Mg(OH)2 and TiO2 / Y. Kobayashi et al.  /p.56

3. Reactor Physics and Reactor Engineering

General Research

(3.01) Critical Experiments with a Thorium Fuel Core and a Small H/U Ratio / K. Kudo et al.  /p.58

(3.02) Basic Experiments on Reactor Power Oscillation-(IV) -Spatial Dynamics in C45G|14H2O| Core- / O. Aizawa et al.  /p.59

(3.03) Measurements of Dependence on Neutron Spectra of Fission Rate Ratio of 241Am to 235U and Capture Rate of 241Am / T. Kitada et al.  /p.60

(3.04) Basic Experiments on Reactor-Power Oscillation (IV) -Measurements of Transient Property- /T. Takeda et al.  /p.61

(3.05) Preliminary Study on Time-Spatial Neutron Intensity with Reactivity Changes / S. Sakamoto et al.  /p.62

(3.06) Measurement of Neutron Flux Distribution in Loose Coupled Core by Using a Position Sensitive Proportional Counter / Y. Yamane et al.  /p.63

(3.07) Basic Experiments on Reactor-Power Oscillation (IV) -Kinetic Measurement for Asymmetric Coupled-Core Systems-

K. Hashimoto et al.  /p.64

(3.08) Analyses of Small Sample Reaction Rate Measurements in Critical Assemblies / T. Yamamoto et al.  /p.65

(3.09) Measurement of 241Am Capture Reaction Rate in the KUR Thermal Column / T. Iwasaki et al.  /p.66

(3.10) Heat Transfer and Safety Problems in High-Heat-Flux Boiling Channel -Dryout Heat Flux at Low Mass Flux with Flow Oscillation- / M. Ozawa et al.  /p.67

(3.11) Study on the Mechanism of Critical Heat Flux for Downward Flow -Effect of Inlet Throttle in Upward Flow- / H. Ikawa et al.  /p.68

(3.12) Neutronics Design Study of Neutron Factory as Future Facility in KURRI (III) / S. Shiroya et al.  /p.69

(3.13) Neutronics Study on Regional Oscillation in Nuclear Reactor by Using Coupled Core System in the KUCA (III) / S. Shiroya et al.  /p.70

(3.14) Reactor Physics Study on Light Water Reactors of Next Generation (V) / S. Shiroya et al.  /p.71

(3.15) Criticality Analysis of KUCA Th-loaded Cores / H. Unesaki et al.  /p.72

(3.16) Neutronics Design of Low Enriched Uranium Fueled KUR Core / H. Unesaki et al.  /p.73

(3.17) Derivation and Examination of General Formula for the Feynman-α Covariance Method Experiments / Y. Kitamura et al.  /p.74

(3.18) Engineering Safety Assessment of Nuclear Facilities / K. Kobayashi et al.  /p.75

(3.19) Measurement and Analysis of Leakage Neutron Spectra from Spherical Assemblies of Cr, Mn and Cu with 14MeV Neutrons / C. Ichihara et al.  /p.76

(3.20) No Reactor Kinetics Parameter of the Mean Time to Destruction of Neutron / M. Hayashi  /p.77

(3.21) Visualization and Measurement of Gas-Liquid Metal Two-Phase Flow with Large Density Difference Using Thermal Neutrons as Microscopic Probes /K. Mishima et al.  /p.78

(3.22) Heat Transfer Study for Thermal-Hydraulic Design of the N-Arena Solid-Target System in JHF Project /Y. Saito et al.  /p.79

(3.23) Visualization Study on Hot Particle-Water Interaction by Using Neutron Radiography /Y. Saito et al.  /p.80

4. Material Science and Radiation Effects

Project Research

Project Research on Material Irradiation Effects under Controlled Irradiation Fields /T. Yoshiie  /p.82

(4.1-1) A Study on Irradiation Induced Precipitation of Copper in Iron  /H. Ino et al.  /p.83

(4.1-2) Irradiation Temperature Dependence on Formation Efficiency of Defect Induced in Neutron-Irradiated Non-Metallic Materials /M. Okada et al.  /p.84

(4.1-3) Study on Crystallization and Diffusion Processes Mediated by Radiation Damage / A. Kinomura et al.  /p.85

(4.1-4) Calculation of Positron Lifetime for a Vacancy and Vacancy Clusters in Graphite / E. Kuramoto et al.  /p.86

(4.1-5) Damage Evolution in Neutron-irradiated Metals during Neutron Irradiation at Elevated Temperatures / Y. Shimomura et al.  /p.87

(4.1-6) Ion-Implantation-Induced Phase Transformation in GaSb and InSb / M. Taniwaki et al.  /p.88

(4.1-7) Vacancy-Impurities Complexes in Si: Positron Annihilation Coincidence Doppler Broadening / M. Hasegawa et al.  /p.89

(4.1-8) Microstructural Evolution in Vanadium Irradiated during Ion Irradiation at Constant and Varying Temperature / H. Watanabe and N. Yoshida  /p.90

(4.1-9) Project Research on Advanced Electron-Beam Application / T. Matsuyama.  /p.91

(4.1-10) Spectral Intensity of Prebunched Free Electron Laser / Y. Shibata et al.  /p.92

(4.1-11) Observation of the Pure Rotational Spectrum of Nitrous Oxide Gas Utilizing Coherent Transition Radiation / T. Takahashi et al.  /p.93

(4.1-12) Angular Distributions of Parametric X-Ray Radiation in a Perfect Crystal / M Seto et al.  /p.94

(4.1-13) Study on Neutron Measurement and Utilization / K Kobayashi et al.  /p.95

General Research

(4.01) C60 Anion Radical Produced in γ-Irradiated C60 Powder at 77K / Y. Kitajima et al.  /p.98

(4.02) Conversion of Ag0 into Ag2+ in γ-Irradiated Organic Solid Solutions at 77K as Studied by ESR / K. Matsuura et al.  /p.99

(4.03) Optical Properties of Silver Atoms in γ-Irradiated Organic Glasses of Mixed Solvents at 77K / Y. Miyatake et al.  /p.100

(4.04) Studies of Metal Complexes by γ-Ray Irradiation at Low Temperatures / M. Hoshino et al.  /p.101

(4.05) An ESR Study on Deuterium Atom Encapsulated in y-irradiated Silsesquioxanes / Y. Matsuda et al.  /p.102

(4.06) New Material Controlled Irradiation Facility (2) / T. Yoshiie et al.  /p.103

(4.07) Effects of Damage Rate on Defect Cluster Formation in Copper / Q. Xu and T. Yoshiie  /p.104

(4.08) Defect Structure Development in Electron Irradiated Cu-Pd and Cu-Pt Alloys with HVEM / Y. Satoh et al.  /p.105

(4.09 Positron Image Using 64Cu and 58Co / M Doyama et al.  /p.106

(4.10) Temperature Dependence of Defect Formations in Some Insulators during and after Neutron Irradiations / M. Nakagawa et al.  /p.107

(4.11) Neutron Irradiation Effects on Migration of Tritium Produced in Ceramic Breeder Materials / M. Nishikawa et al.  /p.108

(4.12) Neutron Irradiation Effect in Oxygen-Loaded La2CuO4+δ / K. Ueda et al.  /p.109

(4.13) Irradiation Defect Production and Recovery Behavior in Heat-Resisting Conductors / K. Atobe et al.  /p.110

(4.14) Neutron Transmutation Doping on Compound Semiconductors: Redshift of the Longitudinal Optical Phonon in Neutron Irradiated GaP / K. Kuriyama et al.  /p.111

(4.15) Electron Spin Resonance in Neutron-Irradiated n-type 6H-Silicon Carbide and Neutron Transmutation Doping of Phosphorus into Silicon Carbide / S. Kanazawa et al.  /p.112

(4.16) Neutron Activation Analysis on the Structure of Dopant Species and its Concentration in Various 1t- Conjugated Conducting Polymers / S. Kazama et al.  /p.113

(4.17) 129I Mössbauer Effect of Iodine Absorbed in Activated Carbon Fibers / Y. Shibayama et al.  /p.114

5. Geochemistry and Environmental Science

Project Research

Methodologies for Measurement of Ultra-Trace Transuranic Elements in Environmental Samples / M. Yamamoto et al.  /p.116

(5.1-1) Determination of Plutonium Concentrations and Its Isotopic Ratios in Environmental Materials by ICP-MS after Separations Using Ion-Exchange and Extraction Chromatography / Y. Muramatsu et al.  /p.117

(5.1-2) Measurement of Trace Amount of Tritium in Environmental Water Samples / M. Saito et al.  /p.118

General Research

(5.01) Crustal Thermal History Using 39Ar/40Ar and Fission-Track Thermochronology / T. Matsuda et al.  /p.120

(5.02) Study of Earth and Planetary Matters by Thermoluminescence / K. Ninagawa  /p.121

(5.03) Geochronological Studies on Tectonics of Subduction Zone Orogeny and Global Change / T. Tagami et al.  /p.122

(5.04) Determination of Al-, Na-, and Other Impurities Using INAA with Pure Thermal Neutrons and γ-Rays-induced Luminescence on Some Quartzes / T. Hashimoto et al.  /p.123

(5.05) Radioactive Analysis of 46Sc, 59Fe and 140La in Some Obsidian Rocks / A. Yoshitani et al.  /p.124

(5.06) Neutron Activation Analysis of Meteorites, Mantle Rocks and Geochemical Standard Samples: Some New Findings from Japanese Ophiolites and Volcanic Rocks / K. Sakamoto et al.  /p.125

(5.07) Geochemical Characteristics of River Sediments at Okayama Prefecture / T. Seki et al.  /p.126

(5.08) Geochemical Study by Neutron Activation Analysis on Precipitates in the Atmosphere and the Hydrosphere /K. Kato et al.  /p.127

(5.09) Geochemical Study of Trace Elements in the Hydrosphere by Neutron Activation Analysis -Trace Element Geochemistry of Phytoplankton Samples from Coastal Areas around Japan- / T. Masuzawa et al.  /p.128

(5.10) Trace Elements in Quartz Veinlets from the Hishikari Gold Mining Area, Japan / T. Mizuta et al.  /p.129

(5.11) Research on the Leachability of Sedimentary Grains in the Isolated Undisturbed Pond Located at the

Ridge of Mountain / K. Iwamoto et al.  /p.130

(5.12) Geochemical Characteristics of Trace Elements in Metamorphic Rocks and Sediments / S. Sano et al.  /p.131

(5.13) REE Composition of the Paleozoic and Mesozoic Mudstones in SW Japan / M. Musashino et al.  /p.132

(5.14) Trace Elements in Land Plants Especially Moss and Fem by Instrumental Neutron Activation Analysis / S. Imai et al.  /p.133

(5.15) Study on Two-Dimensional Distribution of Trace Elements Using an Activation Imaging Method / Y. Tanizaki et al.  /p.134

(5.16) Neutron Activation Analysis of Elements in Human Organs / T. Sato et al.  /p.135

(5.17) Fundamental Study on Determination of Trace Elements in Plant Samples Using INAA / Y. Katayama et al.  /p.136

(5.18) 1:’race Elements in Turfan Manuscripts of the Otani Collection / M. Kohno et al.  /p.137

(5.19) Neutron Activation Analysis of Several Species of Marine Invertebrates / M. Fukushima et al.  /p.138

(5.20) Quantitative Measurements of Microelements with Large Activation Cross Section for Concrete Materials in Japan / T. Iida et al.  /p.139

(5.21) Characterization of Atmospheric Aerosol Particles / A. Mizohata and N. Ito  /p.140

(5.22) Study on Dynamic Behavior of Antimony in the Environment and Health Risks Reduction / S. Morisawa et al. –  /p.141

(5.23) Neutron Activation Analysis of The Trace Elements Related to Sediment-Water Interaction in Lake Biwa /S. Kojima et al.  /p.142

(5.24) Study on Index Elements for Emission Sources of Suspended Particulate Matters in Atmospheric Environment by Neutron Activation Analysis /H. Kamataki and M. Yamazaki  /p.143

(5.25) Diffusion Behavior of Sodium and Chloride Ions in Loosely Compacted Sodium Montmorillonite / T. Kozaki et al.  /p.144

(5.26) Uranium Isotopic Ratios in Soil, Groundwater and River Water Samples from Japan / H. Yunoki et al.  /p.145

(5.27) History of Mercury Migration from Minamata Bay to the Yatsushiro Sea / M. Sugahara et al.  /p.146

(5.28) Radiological Impact on the Environment from the Use of Nuclear Energy / T. Imanaka et al.  /p.147

(5.29) Photon Activation Analysis of Environmental Samples by KURRII-LINAC(Ⅳ) / K. Masumoto et al.  /p.148

6. Life Science and Medical Science

Project Research

Biological Effects of Intermediate Energy Neutrons of the KUR Facility on the Mammalian Cells / H. Utsumi eta!  /p.150

(6.1-1) Filtration and Beam Hardening with Heavy Water / Y. Onizuka et al.  151

(6.1-2) Biological Effectiveness of Epithermal Neutrons: F-values of Filtered Neutrons / M. S. Sasaki et al.  /p.152

(6.1-3) Epi-thermal Neutron (CO-0000F)-induced p53 and WAFI Accumulation in Two Glioblastoma Cell Lines / T. Ohnishi et al.  /p.153

(6.1-4) Biological Effects of Intermediate Energy Neutrons /H. Utsumi et al.  /p.154

General Research

(6.01) Complexation of Dihydroxyboryl Compounds with Fructose in Aqueous Alkaline Solution / M. Kobayashi and Y. Kitaoka  /p.156

(6.02) Specific Isolation of p-Dihydroxyborylphenylalanine by a Zone Electrophoresis Using a Carboxylic Acid as a Supporting Solution / Y. Kitaoka  /p.157

(6.03) Stability of the Complex of p-Dihydroxyborylphenylalanine Against the pH-Values of Supporting Solutions Studied by a Zone Electrophoresis / Y. Kitaoka  /p.158

(6.04) Discussion on the Complexation of p-Dihydroxyborylphenylalanine with Pinacol Studied by a Zone Electrophoresis / Y. Kitaoka  / p.159

(6.05) Effect of the Various Supports on the Electrophoretic Behavior of Dihydroxyborylphenylalanine and Picric Acid / Y. Kitaoka  /p.160

(6.06) Enhanced Cell-killing Action of Cisplatin in the Presence of Terbium Chloride / M. Akaboshi et al.  /p.161

(6.07) Enhanced Cell-killing Effect of Potassium Hexachloroplatinum(IV) Solution Irradiated by 60Co -γ -Rays under the Presence of NH4Cl / Y. Tanaka et al.  /p.162

(6.08) Determination of Rare Earth and Other Elements in the Standard Biological Samples by ICP-MS and Activation Analysis / K. Kawamoto et al.  /p.163

(6.09) Correlation between Terbium and the Other Rare Earth Element Contents in Fern Leaves / J. Takada et al.  /p.164

(6.10) Specificity of Mutations Induced by Riboflavin Photosensitization of the SupF Gene in Endonuclease III and VIII Deficient E coli Strain / K. Tano et al.  /p.165

(6.11) Transcription Dependency and the Roles of Two Excision Repair Pathways for UV Damage in Fission Yeast Schizosaccharomyces pombe / S. Yasuhira et al.  /p.166

(6.12) Preliminary Investigations about By-products from γ -irradiated Amino Acids /A Shimada et al.  /p.167

(6.13) Instrumental Neutron Activation Analysis of Minor and Trace Elements in Baby, Young and Aged C57BL/6N Mice / R. Amano et al.  /p.168

(6.14) The Mechanisms of Drug Resistance for Cis-diamminedichloroplatinum on C6 Glioma Cell Line / J. Hirao et al.  /p.169

(6.15) Nonequilibrium Radical Processes in Biomolecular Systems / H. Yoshida et al.  /p.170

(6.16) EPR Study of Molecular Damage to Single Crystal of 5-Bromouracil Irradiated with -γ -rays / A. Yokoya et al.  /p.171

(6.17) Time Course of Arsenic Incorporation into Various Organs of Rats / M. Katayama et al.  /p.172

7. Neutron Capture Therapy

General Research

(7.01) Synthesis and Biological Evaluation of Boron-Containing Amino Alcohols as Potential Boron Carriers On BNCT /M. Kirihata et al.  /p.174

(7.02) Intra-tumor Injection of Tyrosinase Mini-gene Enhances the Killing Effect of BNCT for Amelanotic Melanoma /J. Hiratsuka et al.  /p.175

(7.03) Comparison of Radiobiological Effect of Thermal and Epithermal Neutrons at KUR Using 9L Glioma Cells /A. Matsumura et al.  /p.176

(7.04) Evaluation of 1-Carboranylmethyl-β-Maltose as a Boron Carrier / M. Nakaichi et al.  /p.177

(7.05) Application of’ 10B Entrapped Cationic Liposome to Boron Neutron-Capture Therapy for Pancreatic Cancer Model in vivo / H. Yanagie et al.  /p.178

(7.06) Gadolinium Neutron-Capture Therapy Trial Using Gadopentetic Acid-Chitosan Complex Nanoparticles: Effect of Gadolinium Dose on Tumor Growth Suppression In Vivo / H. Tokumitsu et al.  /p.179

(7.07) Combined Effects of Gadolinium and Boron Neutron Capture Reactions / K. Tokuuye et al.  /p.180

(7.08) Morbid Aging and Trace Elements in the Brain -Organotin-Induced Olfactory Lesions and Its Suppression – / Y. Arakawa et al.  /p.181

(7.09) The Combined Effect of Electroporation and Borocaptate in Boron Neutron Capture Therapy for Murine Solid Tumors / K. Ono et al.  /p.182

(7.10) Responses of Intratumor Total and Quiescent Cells to Neutrons with Various Cadmium Ratios / S. Masunaga et al.  /p.183

(7.11) Boron Neutron Capture Therapy for Gliomas Based on Positron Emission Tomography: The Follow Up Studies of the Thermal and Epithermal Neutron Capture Therapy / Y. Imahori et al.  /p.184

(7.12) Non-invasive Imaging of Human Telomerase Activity by PET: Targeting Enzyme in BNCT / Y Imahori et al.  /p.185

(7.13) Protective Effects of Dimethyl Sulfoxide on Cell Killing and Mutation in CHO Cells Irradiated by Thermal and Epi-thermal Neutrons /Y. Kinashi et al.   /p.186

(7.14) Neutron Capture Therapy of Human Lentigo Maligna / M. Ichihashi et al.  /p.187

(7.15) Boron Neutron Capture Therapy Using Mixed Beam at KUR /Y. Nakagawa et al.  /p.188

(7.16) Pharmacokinetic Analysis and Bioavailability of Vanadium in Rats Orally Administered Vanadylmethylpicolinate

Complex as Insulin-mimetics /H. Sakurai et al.  /p.189

(7.17) Distribution of Essential Trace Elements in Mice Organs under Diabetic Condition /Y. Okamoto and M. Nishida  /p.190

(7.18) Modification of Cytotoxicity by Tirapazamine in Combination with Mild Hyperthermia and/or Nicotinamide / S. Masunaga et al.  /p.191

(7.19) A Consideration about Clinical Neutron Irradiation Systems for NCT using Accelerators and Research Reactors /T. Kobayashi et al.  /p.192

(7.20) Irradiation Characteristics of the Updated KUR Heavy Water Facility VI. Neutron Energy Spectra for the 00-0yyy-F Mode Group / Y. Sakurai and T. Kobayashi  /p.193

(7.21) The Irradiation Characteristics of the Test-type Hyper-thermal Neutron Generator for Neutron Capture Therapy / Y. Sakurai and T. Kobayashi.  /p.194

(7.22) p-Boronophenylalanine-Tyrosine Dipeptide as Potential High Boron Delivery Agent for Neutron Capture Therapy of Melanoma /M. Ichihashi et al.  /p.195

8. Neutron Radiography and Radiation Application

General Research

(8.01) Analysis of Lithium and Hydrogen Behaviors in Solids Using Cold Neutron Radiography /H. Sakaguchi et al.  /p.198

(8.02) Basic Research on Quantitative Analysis by Neutron Radiography /M. Tamaki et al.  /p.199

(8.03) Fundamental Study on Neutron Radiography with KUR -Gauging for Quantitative Detection of Hydrogen Contained in Aluminum – / Y. Tsujii et al.  /p.200

(8.04) Analysis of Dewatering Process for Sewage Sludge by Using Neutron Radiography / T. Fujiwara et al.  /p.201

(8.05) Non-destructive Testing and Activation Analyses of Archaeological Objects Consisting of Metallic and Organic Matters / F. Masuzawa et al.  /p.202

(8.06) The Varieties of Zn Concentration Contained in Hair Caused by Social Stress /S. Ohmori et al.  /p.203

9. Waste and TRU Management

Project Research

Project Research on the Management of TRU Elements / H. Moriyama  /p.206

(9.1-1) Measurement of Nuclear Data for Actinide Nuclides / K. Kobayashi et al.  /p.207

(9.1-2) Excitation Energies and Configuration of Fission Fragments for 233U(nth, f) / K. Takamiya et al.  /p.208

(9.1-3) Simultaneous Measurement of Fission Fragments and Neutrons for Thermal Neutron Induced Fission of Pu-239 /T. Tsuchiya et al.  /p.209

(9.1-4) Study on Geochemical Behavior of Radionuclides /T. Yamamoto et al.  /p.210

(9.1-5) Analysis of Actinide Elements and Fission Products /H. Takemi et al.  /p.211

(9.1-6) Process Chemistry of TRU Elements /H. Moriyama et al.  /p.212

(9.1-7) Tracer Preparation Study of Actinides /H. Yamana et al.  /p.213

General Research

(9.01) Crystal Structure of Uranium Intermetallic Compounds / S. Yamanaka et al.  /p.216

(9.02) Solubility of Uranium Ions under Reducing Condition / K. Fujiwara et al.  /p.217

10. Health Physics

General Research

(10.01) Distributions and Behavior of Tritium near Research Reactor and Accelerator /M. Fukui et al.  /p.220

(10.02) Engineering Safety Assessment of Nuclear Facilities / K. Kobayashi et al. /  p.221

(10.03) Land and Sea Breezes in the Coastal Area of the Sea of Japan in Western Chuugoku District / M. Mizuma /  p.222

(10.04) Absorbed Dose to the Mouse Bone Marrow after THO Administration /M. Saito /p.223

(10.05) Dose Estimation on Occupational Exposure by the Inhaled Radon in the KURRI! Facility (2) / K. Yamasaki et al /  p.224

II. ORGANIZATION  p.225

Ⅲ. RESEARCH DIVISIONS AND LABORATORIES  p.229

Ⅳ. OPERATION AND DEVELOPMENT OF FACILITIES  p.237

V. RADIATION PROTECTION AND MONITORING  p.245

VI. PUBLICATIONS (APRIL 1998-MARCH 1999)   p.249

Ⅶ. MEETINGS,SEMINARS AND VISITING SCIENTISTS  p.211

Ⅷ. COMMITTEEMEMBERS  p.275