KURRI Progress Report 1992

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I. RESEARCH ACTIVITIES

1. Slow Neutron Physics and Neutron Scattering

(1.01) Neutron Diffraction Analysis of CsH2(i-x) D2x PO4 Crystal with X=0.5 / Y. Iwata et al. /p.2

(1.02) Neutron Diffraction Study on the Crystal Structure of KHCO3 / M. Machida et al.   /p.4

(1.03) Neutron Diffraction of Silicon Single Crystals / A. Okazaki et al.  /p.6

(1.04) Neutron Diffraction Study of the Pressure-Induced Phase Transition of RbCl / A. Onodera et al.  /p.8

(1.05) Low Temperature Phase Transitions in Ferroelectrics with /β-K2SO4Type Structure / H. Kasano et al.  /p.10

(1.06) Electron-Density Distribution in Crystals of Benzoic Acid Derivatives / S. Ohba et al.  /p.12

(1.07) Pressure Effects of Magnetic Periodicity of the Magnetic Structures in Tb, Ho and Er / S. Kawano et al.  /p.14

(1.08) Spin Slip Consideration for Ising-like Modulated Spin Configurations in PrCo2Si2 and NdCo2Si2 / S. Kawano  /p.16

(1.09) Magnetic Phase Transition in Triangular Lattice Antiferromagnet / Y. Ajiro et al. /p.18

(1.10) Studies on Magnetic Structure of Er Cu2 Single Crystal / Y. Hashimoto et al.  /p.20

(1.11) Magnetic Structure of Pr1-X LaX Co2 Si2 / T. Shigeoka et al.  /p.22

(1.12) Strain-Hardening Coefficient in Easy Glide Region of F.C.C. Metallic Single Crystals by Means of DBR-SANS-TOF Method / M. Ono  /p.24

(1.13) Neutron Scattering Instruments for Residual Stress Measurements in Metallic Materials / M. Ono  /p.26

(1.14) Signal Processing for Microprocessor Charge Division Position Sensing of One-Dimensional Neutron Proportional Gas-Counter / M. Ono et al.  /p.28

(1.15) Applications of Small-Angle Neutron Scattering to Macromolecular Systems / M. Sugiyama et al.  /p.30

(1.16) Neutron Optics Using Transverse Neutron Spin Echo Method / M. Hino et al. /p.32

(1.17) Multilayer Mirror Interferometer for Very Cold Neutrons (II) / T. Ebisawa et al.  /p.34

(1.18) Feasibility Study of Multilayer Mirror Interferometer for Very Cold Neutrons (II) / Y. Ohtake Takahara et al.  /p.36

(1.19) Ultracold Neutron Transmission Measurements of Thin Foils and Films of Several Magnetic Materials / M. Utsuro et al. /p.38

(1.20) The Completion of the Focussing Mirror Arrangements of the Fall-Focussing Gravity Analyzer for Ultracold Neutrons / Y. Kawabata et al. /p.40

(1.21) Production of Ultracold Neutrons by the Superthermal Method / T. Kawai et al.  /p.42

2. Nuclear Physics and Nuclear Chemistry

(2.01) New Method for Analysis of Picosecond Centroid-Shift Data Taken with BaF2 Scintillators / T. Seo  /p.46

(2.02) Picosecond Lifetime Measurement in 214Po / T. Seo  /p.48

(2.03) Characteristics of a N2-Jet System in KUR-ISOL / A. Taniguchi et al./p.50

(2.04) Studies on Short-Lived Fission Products with KUR-ISOL / K. Aoki et al. /p.52

(2.05) Study on the Short-Lived Fission Products with KUR-ISOL A. Taniguchi et al.  /p.54

(2.06) Spin Assignment of the 1049.3 keV Level of 177Lu by the r-r Angular Correlation Measurement with a 4-Ge System / S. Yamada et al.  /p.56

(2.07) Fundamental Studies on Mass Determination of Unstable Nuclei by Means of Nuclear Spectroscopy / T. Ikuta et al. /p.58

(2.08) Nuclear Structure Study via Nuclear Polarization with Radiation-Detected Optical Pumping in Solids / I. Ogawa et al. /p.60

(2.09) Measurement of γ-Ray Emission Probabilities for the Short-Lived Nuclides / H. Miyahara et al. /p.62

(2.10) Study on Multi-Mode Fission Mechanism / H. Baba et al. /p.64

(2.11) Analysis of Chemical Species of Nuclides Produced by Se(n, γ) Reaction / H. Takemi et al. /p.66

(2.12) Synthesis of Platinum -195m Radiolabeled cis -and trans -Diaminedichloroplatinum(II) of High Radionuclidic Purity Using High Performance Liquid Chromatography / K. Kawai et al.  /p.68

(2.13) Separation of Ionic Species of Chalcogen Elements by Radio Ion Chromatography / T. Yamamoto et al. /p.70

3. Reactor Physics and Reactor Engineering

(3.01) Study for the Optimal Design of Fe-filtered Beams / Y. Fujita et al  /p.74

(3.02) Measurements of Thermal Neutron Cross Section and Resonance Integral for the 237Np(n, γ)238Np Reaction

K. Kobayashi et al.  /p.76

(3.03) Fission Cross Section Measurement of 241Am with Lead Slowing-Down Spectrometer / K. Kobayashi et al.  /p.78

(3.04) Characteristic Behavior of Neutrons in the Lead Slowing-Down Spectrometer Coupled to Electron Linac

K. Kobayashi et al.  /p.80

(3.05) Measurement of the Effective Delayed Neutron Fraction Using the Coupled Reactor Theory / K. Kobayashi et al.  /p.82

(3.06) Precise Measurement of Neutron Total Cross Section of Pb-208 and Pb-nat / O. Shcherbakov et al.  /p.84

(3.07) Precise Measurement of Neutron Cross Sections in Resonance Energy Region / I. Kimura et al.  /p.86

(3.08) Study on Remodeling the Heavy Water Facility of the Kyoto University Reactor for Neutron Capture Therapy from the Concept of Neutron Energy Spectrum Control / T. Kobayashi et al.  /p.88

(3.09) Probabilistic Safety Assessment of the KUR with Use of the FTA-J Code / H. Nishihara et al.  /p.90

(3.10) Effect of Pressure on Critical Heat Flux for a Rectangular Duct with a Narrow Gap / H. Nishihara et al.  /p.92

(3.11) Effect of Pressure on Critical Heat Flux for Water in an Internally Heated Annulus / H. Nishihara et al.  /p.94

(3.12) Study on Prediction of Annular’–Mist Flow Based on the Three Fluid Model / H. Nishihara et al.  /p.96

(3.13) Study on Air-Water Two-Phase Flow in a Small Diameter Tube / H. Nishihara et al.  /p.98

(3.14) Study on Critical Heat Flux in a Channel Heated from One Lateral Side / A. Kurosawa et al.  /100

(3.15) Systematic Study on Critical Heat Flux in Small Diameter Tubes / K. Tasaka et al.  /p.102

(3.16) An Experimental Study of Inception of Flow Boiling of Water (Subsequent Report) / K. Mizukami et al.  /p.104

(3.17) Reactor Physics Study on High Conversion Light Water Reactor / S. Shiroya et al.  /p.106

(3.18) Development of Subcriticality Monitor by Using Experimental Technique of Reactor Kinetics / S. Shiroya et al.  /p.108

(3.19) Determination of Multiband Parameters by Fitting Method and Its Accuracy / H. Unesaki  /p.110

(3.20) MCNP Calculations for Uranium-233 Reactor Benchmark of JENDL-3 / M. Hayashi et al.  /p.112

(3.21) Equality of Multiplication Factor Definitions of Neutron Balance and Life Cycle Models

M. Hayashi  /p.114

(3.22) Basic Study for a Thorium Conversion Hybrid Reactor / I. Kimura et al  /p.116

(3.23) Critical Experiment of Thorium Loaded Assembly with Small H/U Ratio and Spectrum Assessment at Core Center with Foil Activation Method / N. Hirakawa et al.  /p.118

(3.24) Measurement of Neutron Spectrum in the B-core of KUCA by Multi-foil Unfolding Method / I. Kanno et al  /p.122

(3.25) Measurement of Effective Beta for Thermal Neutron System by Using Bennett Method (3)

Y. Yamane et al.  /p.124

(3.26) Measurements of Reaction Rate Distributions of Gold Wire at the KUCA B-Core with Spectrum Shifter Region / O. Aizawa et al.  /p.126

(3.27) Measurement on Diameter Dependence of Gold Wire Reaction Rate in Thermal Neutron Field / T. Misawa et al.  /p.128

(3.28) Measurement of Reaction Rate Distribution with Tungsten Wires / T. Misawa et al.  /p.130

(3.29) Reaction Rate Distribution Measurement-of the Vm/Vr=2.0 Core with Axial Refrector – With Natural Uranium Blanket – / T. Takeda et al.  /p.132

(3.30) Prediction of Strong Ground Motion Using Empirical Green’s Function Method Combined with Fractal Composite Faulting Model / K. Kamae et al.  /p.134

(3.31) Studies on Nuclear Pyrochemical Processing / H. Moriyama et al.  /p.136

(3.32) Characteristics of a Position-Sensitive Fission Counter and Its Applications / C. Mori et al.  /p.138

4. Material Science and Radiati0n Effects

(4.01) Studies on Hyperfine Magnetic Fields in Transition Metals by a TDPAC Method / Y. Kawase et al.  /p.142

(4.02) Preparation of Mg3 129m,129TeO6 Mössbauer Sources / Y. Maeda et al.  /p.144

(4.03) Hyperfine Interaction Studies of Local Properties in Matter / S. Nasu et al.  /p.146

(4.04) Mössbauer Spectroscopic Study of Iodine Compounds / H. Sakai et al.  /p.148

(4.05) Neutron Irradiation Effect on La2CuO4 / K. Ueda et al.  /p.150

(4.06) Studies of Damage Formation in Neutron-Irradiated Superconductors / Y. Shimomura et al.  /p.152

(4.07) Relaxation of Composite Materials under Irradiation / T. Nishiura et al.  /p.154

(4.08) Activation Analysis of High-Purity Metals / Y. Ueda et al.  /p.156

(4.09) On a Mechanism Controlling Loop Density in Metals under Fast Neutron Irradiation / T. Yoshiie  /p. 158

(4.10) Positron Lifetime Calculation For a Vacancy in Iron / E. Kuramoto et al.  /p.160

(4.11) Measurement of Neutron Irradiation Effect of Silicon by Capacitance Transient Spectroscopy / I. Kanno et al.  /p.162

(4.12) Determination of Trace Elements in a Silicon Single Crystal / T. Takeuchi et al.  /p.164

(4.13) Study of Irradiation Effects in Non-Metallic Conductors (4) / N. Fukuoka et al.  /p.166

(4.14) Structural Change in InP by Iron-Ion Implantation and Annealing / M. Taniwaki et al.  /p.168

(4.15) Neutron Transmutation Doping on Compound Semiconductor -Raman Scattering from Neutron Irradiated Semi-Insulating GaAs / K. Kuriyama et al.  /p.170

(4.16) Radiation Damages in Ammonium Silver Halide Crystals / T. Awano et al.  /p.172

(4.17) Lattice Defects in Neutron-Irradiated TiAl Studied by Positron Lifetime Spectroscopy / Y. Shirai et al.  /p.174

(4.18) Radiation Defects in TiO2 Crystals Irradiated with Reactor Neutrons at Low Temperature / M. Okada et al.  /p.176

(4.19) Study on Generation of Color Centers and Their Photo-Excited Relaxation Phenomena in Synthetic Diamond

Y. Nisida et al.  /p.178

(4.20) Fluorescence Lifetime Study on Fullurene C70 and C70/C60 Mixtures in Benzene at 290 K / H. Hase et al.  /p.180

(4.21) Electronic Spectra of C70 Anions Produced in γ-irradiated Organic Glasses at 77 K / H. Hase et al.  /p.182

(4.22) Raman Study of Organic Glasses at Very Low Temperatures: Concentrated Ethanol-LiCl Solid Solutions

H. Hase et al.  /p.184

(4.23) Microwave Absorption at Low Magnetic Field Scanning on YBa2Cu3Oy Small Particles Embedded in KBr Matrix / K. Kawabata et al.  /p.186

(4.24) Conduction Mechanism in the Metallic State of Conducting Polymers / S. Kazama et al.  /p.188

(4.25) The Ordered Structure of Nylon 6/Iodine Complex II. The Ordering States in the Complex / A. Kawaguchi  /p.190

5. Geochemistry and Environmental Science

(5.01) Behavior of Trace Elements Derived from Human Activities in Soil-Plant System / S. Morisawa et al.  /p.194

(5.02) Trace Elements in Land Plants Especially Moss and Farn by Instrumental Neutron Activation Analysis / S. Imai et al.  /p.196

(5.03) Studies on the Trace Element Contents of Marine Sediments in Coral Reef and Okinawa Trough Hydrothermal Sites. / H. Taira et al.  /p.198

(5.04) The Studies on the Genesis of Volcanic Rocks by Partition of Trace Elements / S. Nishimura et al.  /p.200

(5.05) Geochemical Studies on Trace Element Abundances in Igneous Rocks and Sedimentary Rocks in Island -Arcs / T. Fujitani et al.  /p.202

(5.06) Seasonal Variations of Trace Element Concentrations in Mussels from Tokyo Bay / M. Yamazaki et al.  /p.204

(5.07) Origin of Paleo-Mesozoic Oceanic Basalts Deduced from Trace Element Abundance -IIK. / Tazaki et al.  /p.206

(5.08) Geochemical Study of Trace Elements in the Hydrosphere by Neutron Activation Analysis – Evaluation of Pollutant Levels in Zooplankton Based on Regularity of Elemental Composition – / T. Takamatsu et al.  /p.208

(5.09) Geochemical Study by Neutron Activation Analysis on Precipitates in the Atmosphere and the Hydrosphere / K. Kato et al.  /p.210

(5.10) Determination of Tin in the Biological Standard Reference Materials by Substoichiometric Neutron Activation Analysis Using Comparison Method / H. Yoshioka et al.  /p.212

(5.11) Activation Analysis of Japanese Ancient Ceramics / T. Mitsuji et al.  /p.214

(5.12) Inorganic Elements in Stems of Five Hardwood – The Radial Distribution and Concentration in Wood and Concentration in Barks – / K. Taneda et al.  /p.216

(5.13) Autoradiographic Observation of Impurity Atoms Using Imaging Plate and Some Kinds of Luminescence Color Images from Quartz Slices / T. Hashimoto et al.  /p.218

(5.14) Characteristics of Species Based on Element Composition in Wood Leaf / Y. Katayama et al.220

(5.15) Preparation of Sample Solutions for ICP-MS with Microwave Oven – Elemental Determination of Acid-Treated Residues of Silicate Rocks – / T. Okui et al.  /p.222

(5.16) REE Composition of the Paleozoic and Mesozoic Mudstones in the SW Japan / M. Musashino et al.  /p.224

(5.17) Thermoluminescence Study of Geological Materials / K. Ninagawa et al.  /p.226

(5.18) Measurement of Mineral Age by Fission Track Methods and Development of Their Techniques / K. Wadatsumi et al.  /p.228

(5.19) Noble Metals in Ocean Floor Rock Samples / K. Kimura et al.  /p.230

(5.20) Rare Earth Element Geochemistry of Bedded Manganiferous Iron Deposits / T. Mizuta et al.  /p.232

(5.21) Numerical Experiments on the Local Winds by Using the Spectral Model / M. Mizuma  /p.234

6. Life Science and Medical Science

(6.01) Inhibitors of Poly (ADP-ribose) Synthesis Inhibit the Two Types of Repair of Potentially Lethal Damage / H. Utsumi  /p.238

(6.02) Hyperthermic Enhancement of. Cytotoxicity and Increased Uptake of cis-Diamminedichloroplatinum (II) in Cultured Human Esophageal Cancer Cells / H. Utsumi et al.  /p.240

(6.03) Effects of Bleomycin on Cell Survival and Transformation Capacity of a Radiation Resistant Bacterium, Deinococcus radiodurans / N. Mizuma et al.  /p.242

(6.04) Studies on the Synergistic Killing Effect of High LET Radiation and Hypertherrnia in Deinococcus radiodurans (IV) / K. Harada et al.  /p.244

(6.05) Cellular Response to Ionizing Radiation in Higher Eukaryotes / T. Ikushima  /p.246

(6.06) The Radicals that Contribute to the Inactivation of Biological Macromolecules by the Boron Neutron-Capture Beam / M. Saito  /p.248

(6.07) Studies on Use of Thermal Neutrons in Plant Breeding- Development of Rice Varieties Adaptable to Nature

Farming 2 – / H. Nakai et al.  /p.250

(6.08) Incorporation Kinetics of [35S] Methionine into the Proteins of an Extremely Radiation Resistant Bacterium, Deinococcus radiodurans / T. Kikuchi et al.  /p.252

(6.09) Determination of the Target Volume of HeLa Cells Treated with Platinum-195m Radiolabeled trans-Diaminedichloroplatinum(II): a Comparison with cis-Diaminedichloroplatinum(II) / M. Akaboshi et al.  /p.254

(6.10) Uptake and Distribution of [195mPt]Cisplatin into Human Esophageal Cancer Cells / K. Ueda et al.  /p.256

(6.11) Determination of Cellular/Subcellular Distribution of Radiolabeled – CDDP, 195mPt-cis-Diamminedichloroplatinum, on Experimental Brain Tumor – Why is CDDP not effective on brain tumor patients ? – / Y. Oda et al.  /p.258

(6.12) Reversal of Multi-Drug Resistance (MDR) with Hyperthermia and Radiation and Its Mechanism / S. Suzuki et al.  /p.260

(6.13) Study on Tissue Distribution and Cytotoxic Effects of 195mPt- Cisplatin in Mice (II) / Y. Takamori et al.  /p.262

(6.14) Study on Hyperthermic Enhancement of Cell Killing by Cisplatin in Human Malignant Melanoma Cells. / N. Kubota et al.  /p.264

(6.15) The Role of  Na+, K+-ATPase in Cellular Uptake of cis-Diamminedichloroplatinum(II)(CDDP) in Non-Small Cell Lung Cancer Cell Line / T. Ohmori et al.  /p.266

(6.16) Increased DNA Damage by Hyperthermia in the Treatment of CDDP, Using Transplantable Human Esophageal Cancer / in Nude Mice / T. Yano et al.  /p.268

(6.17) Mechanisms for Reduced Drug Accumulation in Cisplatin- Resistant Sublines of Human Small Cell Lung Cancer Cell / Lines / T. Tashiro et al.  /p.270

(6.18) Basic Research on the Development of Radioactive-Copper Labeled Radiopharmaceuticals / A. Yokoyama et al.  /p.272

(6.19) Determination of Trace Elements in Human Tissues by Instrumental Neutron Activation Analysis / K. Hayasi et al.  /p.274

(6.20) Geochemical Study of Trace Elements in the Hydrosphere by Neutron Activation Analysis – Evaluation of Pollutant Levels in Zooplankton Based on Regularity of Elemental Composition – / T. Takamatsu et al.  /p.276

(6.21) Geochemical Studies on Trace Element Abundances in Igneous Rocks and Sedimentary Rocks in Island-Arcs / T. Fujitani et al.  /p.278

(6.22) Geochemical Study by Neutron Activation Analysis on Precipitates in the Atmosphere and the Hydrosphere / K. Kato et al.  /p.280

(6.23) Determination of Vanadium in Rats Treated with Vanadium Compounds / H. Sakurai et al.  /p.282

(6.24) Comparison of the Arsenic (As) Metabolism of Rats and Mice. / M. Katayama et al.  /p.284

(6.25) The Organs and Its Subcellular Distribution of Transition Elements in Animals / M. Nishida et al.  /p.286

(6.26) Neutron Activation Analysis of Multielement in Human Organs / T. Sato et al.  /p.288

(6. 27) Trace Elements in the Breath and Morbid State / Y. Arakawa et al.  /p.290

7. Neutron Capture Therapy

(7.01) Electrophoretic Behavior of p-Boronophenylalanine and Boric Acid in Various Conditions / Y. Kitaoka et al.  /p.292

(7.02) IR Spectral Study on Complex Formation of Dihydroxyboryl Compounds with Di-and Tricarboxylic Acids in Aqueous Solution / M. Kobayashi et al.  /p.294

(7.03) Improvement of Thermal Neutron Fluence for BNCT Treatment of Deep-Seated Tumors: Simulation Calculation and Phantom Experiments / Y. Sakurai et al.  /p.296

(7.04) Analytical Dose Calculation in Cell Nucleus from Spherical 10B Containing Region and a Concept of RBE for Neutron Capture Therapy / T. Kobayashi et al.  /p.298

(7.05) Studies on Selective Thermal Neutron Capture Therapy of Malignant Melanoma – Determination of咋Content-by

Prompt Gamma Ray Spectrometry – / M. Ichihashi et al.  /p.300

(7.06) Studies on Selective Thermal Neutron Capture Therapy of Malignant Melanoma – Evaluation of Lethal Effect of BNCT in vitro and in vivo – / M. Ichihashi et al.  /p.302

(7.07) The Basic Studies for Boron Neutron Capture Therapy (BNCT) of Brain Tumor Using Borono-phenylalanine / S. Ueda et al.  /p.304

(7.08) Biological Study on Boron Neutron Capture Therapy for Malignant Brain Tumors / Y. Oda et al.   /p.306

(7.09) Clinical Experiences of BNCT on Glioblastoma / Y. Oda et al.  /p.308

(7.10) Evaluation of Killing Effect of BNCT for SCCVII Tumor by an in vivo-in vitro Assay – Special Reference to Tumor Curability – / K. Ono et al.  /p.310

(7.11) Electron-Equivalent Dose for the Effect of Gadolinium Neutron Capture Therapy on the Growth of Subcutaneously-Inoculated Ehrlich Tumor Cells in Mice. / Y. Akine et al.  /p.312

(7.12) Neutron Capture Therapy of Human Malignant Melanoma / Y. Mishima et al.  /p.314

(7.13) Boron Neutron Capture Therapy – Basic Research – / Y. Nakagawa et al.  /p.316

(7.14) Boron Neutron Capture Therapy – Clinical Study – / Y. Nakagawa et al.  /p.318

8. Neutron Radiography and Radiation Application

(8.01) Development and Application of Neutron Radiography / K. Tasaka et al.  /p.322

(8.02) Basic Research on Quantitative Neutron -Radiography / M. Tamaki et al.  /p. 324

(8.03) Neutron Radiography with Kyoto University Research Reactor / Y. Tsujii et al.  /p.326

(8.04) Visualization and Measurement of Fluid Phenomena Using Neutron Radiography Techniques / H. Nishihara et al.  /p.328

(8.05) Study on CT and Radiography with an 124Sb-Be Source / M. Fujishiro et al.  /p. 330

(8.06) Development of Imaging Techniques for Fast Neutron Radiography / S. Fujine et al.  /p.332

(8.07) An Experiment of Beam Purity Indicator (BPI-NTV) for the Neutron-TV System / K. Yoneda et al.  /p.334

(8.08) Quality of Cold Neutron Beam of CN-2 Guide Tube in KUR / H. Kobayashi et al.  /p.336

(8.09) Application of NRG Techniques to the Study of Microscopic Structures in Ceramics / M. Kamata et al.  /p.338

(8.10) Uranium-238, Thorium-232 and K Concentrations of Chilean Fossil Molluscan Shells / M. Koba et al.  /p.340

(8.11) Production of Positron Plasma / A. Mohri et al.  /p.342

(8.12) Coherent Transition Radiation in the Far Infrared /Y. Shibata et al.  /p.344

9. Radioactive Waste Management and Health Physics

(9.01) Adsorption Properties of 14C in Radioactive Liquid Waste to Various Ion Exchange Resins / K. Nishimaki et al.  /p.348

(9.02) 14C Generation at Nuclear Fuel Cycle Facilities and Its Radiological Effect / A. Koyama et al.  /p.350

(9.03) Fundamental Study on Radionuclide Migration Rate of-Fallout 210Pb II- / N. Sat ta et al.  /p.352

(9.04) Fundamental Study on Radionuclide Migration in the Ground II – Transformation of Iodine in Soil – / N. Satta et al.  /p.354

(9.05) Fundamental Study on Radionuclide Migration in. the Ground Ⅲ – Influence of Chemical Form on Adsorption of Radioiodine and Their Migration – / N. Satta et al.  /p.356

(9.06) Radiation Effects on Simulated Waste Glass Irradiated Using 10B(n, a) 7Li Reaction / H. Furuya et al.  /p.358

(9.07) Migration Behavior of Iron Ions in Compacted Bentonite / T. Kozaki et al.  /p.360

(9.08) Distribution of Radon Concentration in Wakasa District / T Tsujimoto et al.  /p.362

(9.09) Nonideal Collection Characteristics of Low Pressure Cascade Impactor with Various Collection Substrates / K. Yamasaki et al.  /p.364

(9.10) Estimation of Photon Energy Spectra in The Energy Region from 10KeV to 1MeV for Skin Dosimetry / I. Urabe et al.  /p.366

(9.11) Precipitation-Rate Dependency of Concentrations of 222Rn Progeny in Rainwater / M. Takeyasu et al.  /p.368

(9.12) Development of a Dual Type Ionization Chamber System for Neutron Monitoring Use in Burst X-n Mixed Fields / H. Obayashi et al.  /p.370

(9.13) Development of a Simple Model of Radionuclide Migration in Rock-Fracture Systems for Assessment of a Radioactive Waste Repository / Y. Fujikawa et al.  /p.372

(9.14) Environmental Health Physics : Development of a Convenient Monitoring Method for Tritium in the Environment / M. Fukui  /p.374

(9.15) Environmental Health Physics : Distribution of HTO Vapor in the KURR Containment Building Air during Ventilation Shut-down / M. Fukui  /p.376

(9.16) Environmental Health Physics : Application of the Passive Sampling Method for Determining the Location of HTO Leakage in the KUCA Facility / M. Fukui  /p.378

(9.17) Environmental Health Physics : Estimating Concentrations of Elemental Tritium in Air near Tritium Target / M. Fukui  /p.380

(9.18) Monitoring of Trace Elements in Biological Samples of Workers by Instrumental Neutron Activation Analysis / S. Ohmori et al.  /p.382

(9.19) Neutron Transport Calculation and Its Application to Dosimetry for the Atomic Bombs in Hiroshima and Nagasaki / T. Imanaka et al.  /p.384

(9.20) Environmental Impact from the Use of Nuclear Energy / H. Koide et al./ p.386

II. OPERATION AND DEVELOPMENT OF FACILITIES

II. 1. Kyoto University Reactor (KUR)   /p.389

II. 2. Experimental Facilities in KUR  /p.391

II. 3. Kyoto University Critical Assembly (KUCA)  /p.396

II.4. Electron Linear Accelerator (LINAC)  /p.398

II.5. 60Co y-Rrays Irradiation Facility  /p.400

II. 6. Thermal-Hydraulic Test Loop  /p.402

II. 7. Facilities for Radioactive Waste Management  /p.404

Ⅲ RADIATIONPROTECTION AND MONITORING  /p.407

IV. PUBLICATIONS (APRIL 1992 – MARCH 1993)  /p.411

V. MEETINGS AND SEMINARS  /p.421

VI. BOARDS AND PERSONNEL  /p.423