KURRI Progress Report 2000

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I. RESEARCH ACTIVITY  /p.1.

1. Slow Neutron Physics and Neutron Scattering

Project Research

(1.1) Project Research on Neutron Diffraction Studies of Higher Order Magnetic Structures of Rare Earth Alloys and Compounds under Extreme Conditions / S. Kawano (12P1)  /p.4

(1.1-1) Neutron Diffraction of TbPdSn Single Crystal in High Magnetic Fields / Y. Andoh et al. (12P1-1)  /p.5

(1.1-2) Neutron Diffraction Study of HoPdSn Single Crystal / M. Kurisu et al. (12Pl-2)  /p. 6

(1.1-3) Neutron Diffraction Studies of Nd7Ni3under High Pressure / T. Tsutaoka et al. (12Pl-3)  /p.7

(1.1-4) High Dimensional Magnetic Structures and Magnetic Transitions of RRu2X2 (R= Rare Earth, X= Si, Ge) / T. Shigeoka et al. (12Pl-4)  /p.8

(1.1-5) Successive Phase Transitions in Tb2Ni3Si5 Single Crystal / Y. Hashimoto et al. (12Pl-5)  /p.9

(1.1-6) Remodeling of Liquid He Cryostat with a Superconducting Magnet for Neutron Diffraction Experiments at KUR/ S. Kawano et al. (12Pl-6)  /p.10

General Research

(1.01) SANS Study of Mesoscopic Structure on Ovalbumin Solution / M. Sugiyama et al. (12002)  /p.12

(1.02) Neutron Diffraction Study of SrTiO3 at Low Temperatures / Y. Soejima et al. (12010)  /p.13

(1.03) Neutron Spin Echo Depolarization through Ferro-Fluid / N. Achiwa et al. (12018)  /p.14

(1.04) Crystal Structures of (CH3)2NH2-2xD2xH2-2xD2xPO4(x=0 .5 and 1) / M. Machida et al. (12019)  /p.15

(1.05) Neutron Diffraction Study of High-Temperature Phase Transition in Monoclinic RbD2PO4 / M. Komukae et al. (12020)  /p.16

(1.06) Development of a Spin-Flipper for an Application of a Neutron Magnetic Lens

T. Oku et al. (12073)  /p.17

(1.07) Study of Decelerating Neutrons for UCN Production by Means of a Spatially Alternating Magnetic Field and Spin Flips / K. Sakai et al. (12082)  /p. 18

(1.08) Complex Structure of Ions Coordinated with Hydrophilic Polymer / A. Kawaguchi et al. (12083)  /p.19

(1.09) Development of a Neutron Supermirror Polarizer for a L ow External Magnetic Field / M. Hino et al. (12084)  /p. 20

(1.10) Development of New Beam Lines for Diffractometers with Modified Neutron Spin Echo Systems / S. Tasaki et al. (12088)  /p.21

(1.11) Self-Regulating Characteristics of CNS with a Cylindrical Annulus Moderator Cell / T. Kawai et al. (12089)  /p.22

(1.12) Neutron Scattering of Z-type Hexagonal Ba-Ferrite:Ba3Co2-xFe24+xO41 / T. Tachibana et al. (12097)  /p.23

(1.13) Development of a Low-Energy Proton Detector for Measuring the Proton Emitted by Neutron Decay / H. Nihei et al. (12100)  /p.24

(1.14) Short Range Structure for Cr-N and V-N Amorphous Alloys Prepared by M A / T. Fukunaga et al. /p.25

(1.15) Development of Carbon Mirror Used in High Irradiation Field / Y. Kawabata et al. /p. 26

(1.16) Improvement of the Cold Neutron Beam Line (CN-3) in KUR for Neutron Optical Device Development / Y. Kawabata et al. /p.27

(1.17) Short Range Structures of Amorphous Se-Te Prepared by Mechanical Alloying / K. Itoh et al.  /p. 28

(1.18) Pulsed Neutron Diffraction Studies of Magnetic Structure of DyRu2Si2 Single Crystal / S. Kawano et al. /p.29

(1.19) Powder Neutron Diffraction Studies of One-Dimensional Compound Ca3CoRhO6 / S. Niitaka et al. /p.30

(1.20) Magnetic Structure of Mn Formate Di-Urea Single Crystal / S. Kawano et al. /p.31

(1.21) Research of Low Dimensional Magnet Azurtie by Neutron Diffraction / M. Toda et al. /p.32

(1.22) Research of the Field Induced Ordering in the Singlet Ground State Magnet by Neutron Diffraction / M. Toda et al. /p.33

(1.23) Development of the Neutron Diffraction Spectrometer in B4 Guide Hall / M. Toda et al. /p.34

2. Nuclear Physics and Nuclear Data

Project Research

(2.1) Project Research on Systematic Studies of Neutron Rich Nuclei by Using an ISOL / Y. Kawase (12P2)  /p.36

(2.1-1) Hyperfine Magnetic Fields of 151PmFe and 147NdNi / J. Goto et al. (12P2-l)   /p.37

(2.1-2) New Excited Levels and Gamma-Rays in 91Sr / A. Taniguchi et al. (12P2-2) /p.38

(2.1-3) Properties of γ- Cascades in 91Sr / T. Sasanuma et al. (l 2P2-2) /p. 39

(2.1-4) Qβ Measurements of Neutron-Rich Nuclei Using a Total Absorption Detector Coupled with KUR-ISOL / T. Shindou et al. (12P2-3) /p.40

(2.1-5) Internal Conversion Electron Measurement of 151Pr and 151Ce / Y. Kojima et al. (12P2-4) /p.41

General Research

(2.01) Precise Emission Probabilities of Principal γ- Rays for 159Gd / H. Miyahara et al. (12009) /p.44

(2.02) The Highly Efficient Measurement of γ-Rays in the 14N (n, γ) 15N Reaction as an Intensity Standard in Energy Region up to 11MeV with a Liquid Nitrogen Target / M. Hirano et al. (12034) /p.45

(2.03) Measurement of Neutron Capture Cross Sections for Radioactive Nucleus / H. Harada et al. (12078) /p.46

(2.04) Study on Neutrino Interaction / K. Ishibashi et al. (12103) /p.47

3. Reactor Physics and Reactor Engineering

General Research

(3.01) Improvement of Heat Transfer by Radiation Catalytic Semiconductor-Coated Material / T. Takamasa et al. (12014) /p.50

(3.02) Study on the Mechanism of Critical Heat Flux for Downward Flow -Effect of Inlet Throttle on Flow Oscillation – / H. Ikawa et al. (12052) /p.51

(3.03) Integral Evaluation of Nuclear Data for U -233 by Using a Sample Worth Measurements / O. Aizawa et al. (CA 12101) /p.52

(3.04) Experimental Study on Reactor Dynamics of Accelerator-Driven Subcritical Systems (II) / Y. Yamane et al. (CAl2102) /p.53

(3.05) Measurements of Fission Rate Ratio of 237Np to 235U int he KUCA / S. Sakamoto et al. (CA 12103) /p.54

(3.06) Critical Experiments with a Thorium Fuel and a Small H/U Ratio Core / K. Kudo et al. (CA12104) /p.55

(3.07) Measurement of Energy Spectrum of Gamma-Rays Emitted from U-233 Plate before and after Irradiation / T. Horiguchi et al. (CA12105) /p.56

(3.08) Measurement of Subcriticality of Accelerator Driven Subcritical Core by the Pulsed Neutron Method / T. Takeda et al. (CA12106) /p.57

4. Material Science and Radiation Effects

Project Research

(4.1) Project Research on the Condensed Mater by Use of Nuclear Probes / M. Seto (12P4) /p.60

(4.1-l) TDP AC of 181Ta(←181Hf) in Hf/Fe Multilayers / S. Nasu et al. (12P4-1) /p.61

(4.1-2) Study on Charge Transfer Phase Transition and Ferromagnetism in a Mixed Valence Complex (n-C3H7)4N[Fe11Fe111(dto)3](dto=C2O2S2) / Y. Ono et al. (12P4-2) /p.62

(4.1-3) Mössbauer Spectroscopic Study on an Unusual Six-Coordinate Platinum (II) Complex Containing η1-I2 Ligand / H. Kitagawa et al. (12P4-3) /p.63

(4.1-4) Metallofullerene Studies Using Nuclear Probes / K. Sueki et al. (12P4-4) /p.64

(4.1-5) Hyperfine Interaction of 140Ce(←140La) in CaB6 / M. Tanigaki et al. (12P4-5) /p.65

(4.1-6) On the Mechanism of the Ferroelectric Phase Transition in LiNbO3 and LiTaO3 / Y. Ohkubo et al.(l2P4-5) /p.66

(4.1-7) Structural Analysis and Electrical Properties of Novel Condensed Matters with Atomic and Molecular Clusters /  S. Kazama et al.(12P4-6) /p.67

(4.1-8) Study on Electrical and Optical Properties of Polysilanes and Boron-Containing Polymers Doped with Iodine / T. Matsuyama et al. (l2P4-7) /p.68

(4.1-9) Mössbauer Spectroscopic Study of Low-Dimensional Materials / S. Kitao et al. (12P4-8) /p.69

(4.2) Project Research on Material Irradiation Effect under Controlled Irradiation Fields / T. Yoshie (12P7) /p.70

(4.2-1) A Study on Irradiation Induced Precipitation of Copper in Iron / H. Ino et al. (12P7-l) /p.71

(4.2-2) Thermoluminescence from Impurities in MgO Single Crystals Irradiated at Low Temperature / M. Okada et al. (12P7-2) /p.72

(4.2-3) Study on Crystallization and Diffusion Processes Mediated by Radiation Damage / A. Kinomura et al.(12P7-3) /p.73

(4.2-4) Positron Annihilation Study of Irradiated and Deformed Fe-Cu Alloys / E. Kuramoto et al. (12P7-4) /p.74

(4.2-5) Damage Evolution in Neutron-Irradiated Metals during Neutron Irradiation at Elevated Temperatures / Y. Shimomura et al. (12P7-5) /p.75

(4.2-6) Vacancy-Impurities Complexes in Si(Ⅲ): Positron Annihilation Coincidence Doppler Broadening / M. Hasegawa et al.(12P7-6) /p.76

(4.2-7) Microstructure Change in Tungsten during Low Energy Helium Ion Irradiation / H. Iwakiri et al.  (12P7-7) /p.77

(4.2-8) Formation of Cellular Defect Structure on GaSb Ion-Implanted at a L ow Temperature / N. Nitta et al.(l2P7-8) /p. 78

General Research

(4.01) Study on the Silica Glasses Irradiated in a Reactor / T. Yoshida et al. (12001)  p.80

(4.02) Photoluminescence Studies on the Yellow-Emission in Electron-Irradiated GaN / K. Kuriyama et al.  (12003)  p.81

(4.03) Generation and Analysis of Circularly Polarized Coherent Synchrotron Radiation in the Millimeter Wavelength Region / Shibata eta/. (12011)  p.82

(4.04) One Electron Reduction of Copper (I) Complexes by γ-Ray Irradiation at7 7K / M. Hoshino et al.  (12017)  p.83

(4.05) Thermoluminescence of Calcite Irradiated by Radiations / T. Awata et al. (12027)  p.84

(4.06) Kinetic Study on Eliminaiton of Hydrogen Atom Encapsulated in the Cavity ofQ8M8, Q10M1。andQ12M12 / Y. Matsuda et al. (12029)  p.85

(4.07) ESR and Luminescence Properties of Quartz Owing to γ-Ray Irradiation / T. Hashimoto et al. (12033)  p.86

(4.08) Development of Reliable Spin Trapping Method for Measuring OH Radical-Scavenging Activity of Antioxidants / H. Yoshioka et al. (12042)  p.87

(4.09) Irradiation Temperature Dependence on Formation Efficiency of Defect Induced in Neutron-Irradiated Silicon Carbide / S. Kanazawa et al. (12047)  p.88

(4.10) Gamma-Irradiation Preparation of Halogenated Acrylonitrile Polymers and Electrical Properties of Heat-Treated Products / M. Minagawa et al. (12050)  p.89

(4.11) Spectra of Themoluminescences of Simulated Interstellar Mater after Irradiation / K. Koike et al. (12061)  p.90

(4.12) Swelling Behaviors of Gels Made by γ-Ray Irradiation / S. Katayama et al. (12062)  p.91

(4.13) Spectroscopy of Low Energy Excitation in NaCl:OH Crystal Using Coherent Transition Radiation in the Millimeter Wave Region / T. Takahashi et al. (12087)  p.92

(4.14) Millimeter Wave Reflection Measurement of Secondary Battery Substance LiNiO2 Using the Coherent Radiation from an Electron Linear Accelerator / H. Ohta et al. (12099)  p.93

(4.15) One Dimensional Motion of Interstitial Clusters and Void Growth in Ni and Ni Alloys / T. Yoshie.  p.94

(4.16) Effects of Hydrogen and Helium Production by Transmutation Reactions on Void Formation in Copper Isotopes Irradiated with Neutrons / Q. Xu et al.  p.95

(4.17) Local Strain in Tensile Fracture of Metal Foils Estimated from Deformation of Pb Precipitates in Al Matrix / Y. Satoh et al.  p.96

(4.18) Electrical Conductivity of I2-Doped Polysilanes with Different Backbone Structures / H. Kobayashi et al  p.97

5. Geochemistry and Environmental Science

General Research

(5.01) Study of Earth and Planetary Maters by Thermoluminescence / K. Ninagawa (12004)  p.100

(5.02) Restoration of Paleo-Environment by Analysis of Lake Baikal Sediment- Uranium as a Possible Indicator of Climatic Change / T. Takamatsu et al. (12005)  p.101

(5.03) Research on the Leachability of Sedimentary Particles int he Isolated Undisturbed Pond Located at the Ridge of Mountain K. Iwamoto et al. (12008)  p.102

(5.04) Study on Records of Forest Fire in Soil Using Neutron Activation Analysis / K. Kato et al.  (12012)  p.103

(5.05) Study on Dynamic Behavior of Trace Elements in Water-Air-Soil-Plant Systems and Its Health Risks (12016). 105

(5.07) Chemistry and Environmental Change of the Quaternary Sediments / M. Musashino et al.  (12025)  p.106

(5.08) 39A r-40Ar and Fission-Track Dating to Investigate Crustal Thermal History / H. Ohira et al.  (12026)  p.107

(5.09) Geochemical Characteristics of the Ghuzayn Volcanogenic Massive Sulfide Deposit, Oman / T. Mizuta et al. (12030)  p.108

(5.10) Trace Metals int he Soft Tissues of Bivalves Determined by Neutron Activation Analysis / M. Fukushima et al.(12031)  p. 109

(5.11) High Resolution Elemental Analysis of Arctic Ice Cores Using Inductively Coupled Plasma Mass Spectrometry / R. Yamada et al.  (12038)  p.110

(5.12) Geochemical Characteristics of Sediments from the Asahi River at Okayama Prefecture / T. Seki et al.  (12040)  p.111

(5.13) Transfer of Trace Elements and Radionuclides from Water to Soil to P lants / Y. Katayama et al.  (12045)  p.112

(5.14 The Behavior of Antimony in the Environment and the Reduction of Related Health Risk / S. Morisawa et al. (12046)  p.113

(5.15 Element Analysis in Modern Soot and Clue forth e Raw Materials Estimation of Old Chinese Ink Sticks / M. Kohno (12048)  p.114

(5.16) Thermochronologic Study of Earthquake Fault Movements / T. Tagami et al. (12049)  p.115

(5.17) Neutron Activation Analysis of Trace Elements at Sediment-Water Interface in Lake Biwa / S. Kojima et al. (12051)  p.116

(5.18) Organ Distribution of Vanadium in Rats Administered New Insulinomimetic Vanadyl-Picolinate Derivaitves / H. Sakurai et al. (12053)  p.117

(5.19) Neutron Activation Analysis of Mantle-Derived Rocks: Some New Findings from Recent and Ancient Volcanic Rocks / A. Ishiwatari et al. (12055)  p.118

(5.20) Measurement of Rubidium Contents in Azuki Beam Seedlings with Imaging Plate and Neutron Activated Analysis / M .Koyama et al. (12056)  p.119

(5.21) Characterization of Atmospheric Aerosol Particles (Ill) / A. Mizohata et al.  (12057)  p.120

(5.22) Geochemical Properties of Surface Sediments in Uwakai Sea / S. Sano et al.  (12059)  p.121

(5.23) Instrument Neutron Activation Analysis of the Cosmic Materials / T. Kobayashi et al.  (12060)  p.122

(5.24) Dynamics of Biophile Trace Elements through Biological Production, Setting and Sedimentation in Marine Environments- Seasonal Changes in Setling Fluxes of Biophile Trace Elements in the Shikoku Basin- / T. Masuzawa et al.  (12065)   p.123

(5.25) Trace Elements in Land Plants Especially Moss and Fem by Instrumental Neutron Activation Analysis / S. Imai et al.  (12067)  p.124

(5.26) Studies on the Submarine Hydrothermal Water and Poly-Metallic Sulphide Ores Collected from the Southern Part of Okinawa through by R /V SINKAl-6500 / T. Oomori et al.  (12074)  p.125

6. Life Science and Medical Science

Project Research

(6.1) Project Research on Non-Equilibrium Radical Processes in Biological Molecular Systems / H. Hase (12P3)  p.128

(6.1-1) Radicals Induced by Argon Arc Plasma in Some Aqueous Solutions: Direct Observation by ESR at7 7K / H. Hase et al. (12P3-l)  p.129

(6.1-2) Correlation between Loss of Chaperone-Like Activity, and Oxidation, Isomerization and Racemization of Gamma-Irradiated Alpha-Crystallin / N. Fujii et al.  (12P3-2)  p.130

(6.1-3) Increase in Tryptophanase Activity for D -Tryptophan by Low Dose of G amma-Rays and High Temperature / A. Shimada et al.  (12P3-2)  p.131

(6.1-4) ESR and Optical Properties of Copper Atoms in γ -Irradiated Organic Solutions at 77K / Y. Miyatake et al.  (12P3-3).  p.132

(6.1-5) Electron Spin Resonance of Irradiated Carbon Nanotube Powder at 77K / H. Hase et al. (12P3-4)  p.133

General Research

(6.01) Precise Measurement of Thermal Neutron Fluence Rate at the KUR Heavy Water Neutron Irradiation Facility and Its Application for International Standard / N. Takeda et al.  (12013)  p.136

(6.02) Neutron Activation Analysis of Elements in Human Organs / T. Sato et al.  (12022)  p.13 7

(6.03) Effect of Metallic Elements on Rats / Y. Katoh et al.(12023)  p.138

(6.04) Growth and Function of Aged and γ-Ray Irradiated Bovine Lens Epithelial Cels / T. Tokiwa (12039)  p.139

(6.05) Microdosimetry of KUR Epithermal Neutron Beam / Y. Onizuka et al.  (12044)  p.140

(6.06) Brain Regional Distribution of Trace Elements in Mice Bred under Deficient State of Mn and Zn / R. Amano et al.  (12054)  p.141

(6.07) Elemental Constitution of Kampo Medicinal Plants(2 ) Comparison between Two Analytical Methods, PIXE and NAA /I. Wakayama et al.  (12066)  p.142

(6.08) Preventive Effect of Gadolinium Neutron Capture Therapy on Intimal Hyperplasia / T. Tomaru et al.  (12070)  p.143

(6.09) Gadolinium Neutron Capture Reaction Using Epithermal Neutrons / K. Tokuuye et al.  (12077)  p.144

(6.10) Tributyltin Induced Neuronal Cell Death in the Rat Hippocampus in vivo -Relation between Overload of Iron and Apoptotic Cell Death- / C. Ono et al. (12081) 145

(6.11) Biological Effects of High Linear Energy Transfer( LET) Radiation / H. Utsumi et al.  (12090)… 146

(6.12) Determination of Tr ace Elements in Organs and Tissues of Zn-Deficient M ice / M. Yayaga et al. (12096)  p.147

(6.13) Effect of the Low Doses of Radiation on the Plant / S. Yoshida et al. (12098)  p.148

(6.14) Study of Neutron Dose Imager with Thermoluminescent Sheet for Medical Use / H. Sato et al. (12102)  p.149

7. Neutron Capture Therapy

General Research

(7.01) Synthesis and Biological Evaluation of(R)-(+)-p-Boronophenylalaninol / A. Kumanishi et al.  (12015)  p.152

(7.02) In Vivo Trial of Gd-NCT by Using a New Gadolinium Compound (Gd-BOPTA) / A. Matsumura et al. (12028)  p.153

(7.03) High Resolution Alpha-Autoradiography for Measurement of B-10 Distribution in Subcellular Scale Using CR-39 and AFM / Y. Nakagawa et al. (12063)  p.154

(7.04) BNCT for Melanotic/Amelanotic Melanoma Transplanted into Animal Brain / J. Hiratsuka et al. (12064)  p.155

(7.05) Application of 10BSH Entrapped Transferrin-PEG-Liposome to Boron Neutron-Capture Therapy (BNCT) / H. Yanagie et al. (12069)  p.156

(7.06) P-DL-BPA-L Tyrosine Dipeptide for BNCT / M. Ichihashi et al. (12076)  p.157

(7.07) Protective Effects of Retinoic Acid on Mutation Induction of CHOC ells in BNCT / Y. Kinashi et al. (12085)  p.158

(7.08) Enhancement of BNCT Effects of BPA-ol on Cultured Cells and Tumors by the Combination of Hyperthermia / K. Ono et al.( 12085)  p.159

(7.09) Boron Neutron Capture Therapy for a Patient with PNET Using Mixed Beam at KUR / Y. Nakagawa et al. (12092)  p.160

(7.10) Neutron Capture Therapy of Human Acral Lentiginous Melanoma / M. Ichihashi et al. (12094)  p.161

(7.11) Changes int he Sensitivity of Tumor Cells during Fractionated Tirapazamine Administration / S. Masunaga et al. (12001)  p.162

(7.12) Radiobiological Characteristics of Neutron Beams Based on Reoxygenation in Solid Tumors / S. Masunaga et al.  p.163

(7.13) A Design Study on Hyper-Thermal Neutron Irradiation Field for NCT / Y. Sakurai et al.  p.164

(7.14) The Dose Distributions in a Water Phantom for NCTU sing 7Li(p, n) 7Be Reaction by 2.5MeV Protons at HIRRAC and 235U(n, f) Reaction at KUR-HWNIF / T. Kobayashi et al.  p.165

8. Neutron Radiography and Radiation Application

General Research

(8.02) Analysis of Lithium and Hydrogen Behaviors in Soilds Using Cold Neutron Radiography / H. Sakaguchi et al. (12032)  p.169

(8.03) Activation Analyses of Relics and Image Analyses of Metallic and Organic Complexes and Their Acumulation / F. Masuzawa et al. (12036)  p.170

(8.04) Fundamental Study on Neutron Radiography with KUR- Quantitative Detection of Hydrogen Contained in Duralumin – / Y. Tsujii et al. (12058)  p.171

9. TRU and Nuclear Chemistry

Project Research

(9.1) Project Research on Nuclear and Chemical Properties of TRU Elements / H. Moriyama (12P5)  /p.174

(9.1-1) Measurement of Nuclear Data for Actinide Nuclides / K. Kobayashi et al. (12P5-1)  /p.175

(9.1-2) Study on Fission Mechanism and Application of Fission Products / K. Takamiya et al. (l 2P5-2)  p.176

(9.1-3) Simultaneous Measurement of Fission Fragments and Neutrons for Thermal Neutron-Induced Fission ofU-233 / Y. Nakagome et al. (I 2P5-3)  p.177

(9.1-4) Crystal Structure and Physicochemical Properties of Actinide Complex Oxides / S.Yamanaka et al. (12P5-4)  p.178

(9.1-5) Analysis of Actinide Elements and Fission Products / H. Takemi et al. (12P5-5)  p.179

(9.1-6) Actinide Oxidation State Speciation by Radiochemical Separation / O. Tochiyama et al. (12P5-6)  p.180

(9.1-7) Process Chemistry of TRU Elements / H. Moriyama et al. (12P5-7)  p.181

(9.2) Project Research on Analysis of the Environmental Ultra-Trace Radioactivities / A.K udo (12P6)  p.182

(9.2-1) ICP-MS Analysis of Environmental Plutonium / Y. Muramatsu et al. (12P6-2)  p.183

(9.2-2) Groundwater Residence Time Estimated by Counting Low Level Environmental Radioactivities / Y. Mahara et al. (12P6-3)  p.184

General Research

(9.01) Study of Isotopic Ratio of Uranium in Okayama Soil and Natural Water Samples / E. Yunoki et al. (12007)  p.186

(9.02) Neutron Irradiation Effects on Migration of Tritium Produced in Ceramic Breeder Materials / K. Okuno et al. (12041)  p.187

(9.03) Solubility Product of Plutonium Hydrous Oxide under Reducing Condition / K. Fujiwara et al.  /p.188

(9.04) Extraction of Pd (II) from Nitric Acid by Octyl(phenyl)-N,N -diisobutylcarbamoylmethylphosphine Oxide / T. Fujii et al.   p.189

(9.05) Raman Spectroscopic Determination of Formation Constant of (UO2)2(OH)22+/  T. Fujii et al.  /p.190

10. Health Physics and Waste Management

General Research

(10.01) Study on Trace Elements with Large Activation Cross Section in Concrete Materials in Japan / T. Iida et al. (12035)  p.192

(10.02) Chemical Form Separation of Tritium in Exhaust of Research Reactor Using Porous Vycor Glass Tube / M. Ohta et al. (12072)  p.193

(10.03) An Estimate of Radioactivity of the Reactor Biological Shielding Concrete / J. Ishikawa et al.  p.194

(10.04) Tritium Leachability from the Neutron Irradiated Concrete / A. Koyama et al.  p.195

II. ORGANIZATION  p.197

III. RESEARCH DIVISIONS AND LABORATORIES  p.201

IV. OPERATION AND DEVELOPMENT OF FACILITIES  p.209

V. RADIATION PROTECTION AND MONITORING  p. 217

VI. PUBLICATIONS (APRIL 2000-MARCH 2001)  p.221

VII. MEETINGS, SEMINARS AND VISITING SCIENTISTS  p.245 VIII. COMMITTEE MEMBERS  p.249