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研究開発分野

最新情報　2025年8月　55件

研究開発報告書類　8件　－

  1. HTTRを用いた安全性実証試験の完遂; 炉心流量喪失試験(出力100%(30MW)で炉心冷却を停止)
    JAEA-Research 2025-005, 23 Pages, 2025/07
  2. 2024年度夏期休暇実習報告
    JAEA-Technology 2025-004, 20 Pages, 2025/07
  3. 多相多成分詳細熱流動解析コードJUPITERの開発
    JAEA-Data/Code 2025-002, 243 Pages, 2025/07
  4. Development of multiphase and multicomponent detailed thermal hydraulics code JUPITER (Translated document)
    JAEA-Data/Code 2025-003, 262 Pages, 2025/07
  5. 保管廃棄施設・Lに保管されている圧縮体に対する放射化学分析
    JAEA-Data/Code 2025-006, 24 Pages, 2025/07
  6. 建屋応答モニタリングと損傷イメージング技術を活用したハイブリッド型の原子炉建屋長期健全性評価法の開発研究(委託研究); 令和5年度英知を結集した原子力科学技術・人材育成推進事業
    JAEA-Review 2025-004, 186 Pages, 2025/07
  7. バックエンド技術部年報(2023年度)
    JAEA-Review 2025-006, 126 Pages, 2025/07
  8. 中赤外レーザー分光によるトリチウム水連続モニタリング手法の開発(委託研究); 令和5年度英知を結集した原子力科学技術・人材育成推進事業
    JAEA-Review 2025-009, 48 Pages, 2025/07

学会誌等掲載論文　46件　－

  1. Preliminary criticality analysis of a partially damaged reactor core under different scenarios
    Annals of Nuclear Energy, 218, p.111361_1 - 111361_9, 2025/08
  2. Modeling of a radionuclide transport experiment in granitic rock matrix at the Grimsel Test Site (Switzerland); The Role of advection
    Applied Geochemistry, 162, p.105927_1 - 105927_12, 2024/02
  3. Influence of atmospheric deposition and climate change on lake eutrophication and environment in Lake Buir (eastern Mongolia) over the last century
    Catena, 258, p.109297_1 - 109297_11, 2025/10
  4. Transfer of radioactive cesium and potassium, and water into the fruiting bodies of oyster mushrooms
    Chemosphere, 379, p.144431_1 - 144431_8, 2025/06
  5. Visualisation and quantitative evaluation of chlorides in corroded crevice of stainless steel using radioisotope $$^{36}$$Cl$$^{-}$$
    Corrosion Science, 255, p.113119_1 - 113119_10, 2025/10
  6. Corrosion behavior of extra-high-purity Type 316 austenitic stainless steel in a liquid lead-bismuth eutectic with oxygen saturation or low oxygen concentrations
    Corrosion Science, 256, p.113173_1 - 113173_16, 2025/11
  7. Study of the spin-memory effect with low-energy gamma-rays in $$^{177}$$Hf(n,$$gamma$$)$$^{178}$$Hf reaction measurement
    EPJ Web of Conferences, 329, p.05002_1 - 05002_3, 2025/06
  8. Circular polarization measurement of $$gamma$$-rays emitted from $$^{32}$$S(n,$$gamma$$)$$^{33}$$S reaction with polarized neutrons
    EPJ Web of Conferences, 329, p.05003_1 - 05003_3, 2025/06
  9. Flow regimes and heat transfer for opposing flow mixed convection in the thermal entry region of a vertical tube
    International Journal of Heat and Mass Transfer, 252, p.127451_1 - 127451_16, 2025/12
  10. L$"u$ders band-assisted high uniform ductility in ultrastrong ferrous medium-entropy alloy via hierarchical microstructure
    International Journal of Plasticity, 190, p.104378_1 - 104378_18, 2025/07
  11. Investigation of aerosol generation through laser cleaning of various surfaces and optimization of mist & spray scavenging
    Journal of Aerosol Science, 177, p.106329_1 - 106329_21, 2024/03
  12. Specific heat anomalies and local symmetry breaking in (anti-)fluorite materials; A Machine learning molecular dynamics study
    Journal of Chemical Physics, 162, (24), p.244508_1 - 244508_11, 2025/06
  13. Cu/ZnO catalysts integrated with Al$$_{2}$$O$$_{3}$$ and/or SiO$$_{2}$$ for methanol synthesis; Deciphering the additive-induced boost in catalytic performance by XAFS
    Journal of CO$$_{2}$$ Utilization, 97, p.103111_1 - 103111_9, 2025/07
  14. Enhancement of random sampling by a combined approach of control variates and Latin hypercube sampling for uncertainty quantification in light water reactor lattice calculations
    Journal of Nuclear Science and Technology, 62, (5), p.470 - 479, 2025/01
  15. Evaluations on the thermal properties of Cs-B-O compounds using density functional theory and phonon vibration calculations
    Journal of Nuclear Science and Technology, 62, (6), p.542 - 551, 2025/06
  16. Negative muon spin rotation and relaxation study on battery anode material, spinel Li$$_4$$Ti$$_5$$O$$_{12}$$
    Journal of Physical Chemistry C, 126, (25), p.10506 - 10514, 2022/06
  17. Atomic imaging of BaTiO$$_{3}$$ by multiple-wavelength neutron holography
    Journal of the Physical Society of Japan, 93, (10), p.104601_1 - 104601_5, 2024/10
  18. Successive phase transitions in the quasi-kagome lattice system URhSn studied by resonant X-ray scattering
    Journal of the Physical Society of Japan, 94, (8), p.083701_1 - 083701_5, 2025/07
  19. Influence of magnetic ordering on quasiparticle spectral functions; Comparison of electronic states of CeCu$$_6$$ and CeRu$$_2$$Ge$$_2$$
    Journal of the Physical Society of Japan, 94, (8), p.084702_1 - 084702_9, 2025/07
  20. Effects of inert gas addition on the characteristics of spherically expanding hydrogen-methane-air premixed flames in closed combustion vessels
    Journal of Thermal Science and Technology (Internet), 20, (1), p.25-00103_1 - 25-00103_13, 2025/06
  21. Development of a compact ${it in situ}$ $$^{3}$$He neutron spin filter at J-PARC
    Nuclear Instruments and Methods in Physics Research A, 1075, p.170410_1 - 170410_8, 2025/06
  22. Experimental studies on spatial resolution of a delay-line current-biased kinetic inductance detector
    Nuclear Instruments and Methods in Physics Research A, 1075, p.170425_1 - 170425_9, 2025/06
  23. $$>$$100 m fiber-coupled microchip laser-induced breakdown spectroscopy for remote elemental analysis applications
    Optics Express (Internet), 32, (25), p.45158 - 45170, 2024/12
  24. Origin of ferroelectric polarization in bismuth sodium titanate
    Physical Review B, 111, (21), p.214113_1 - 214113_13, 2025/06
  25. Kinetic energy of fission fragments within a dynamical model
    Physical Review C, 112, (1), p.014608_1 - 014608_7, 2025/07
  26. Applicability of low-temperature thermochronology to the evolution of young ($$<$$$$sim$$5 Ma) orogenic systems: a case study from the Japanese Islands
    Progress in Earth and Planetary Science (Internet), 12, p.59_1 - 59_20, 2025/07
  27. Detection of beta-emitting radioactive hotspots inside the Fukushima Daiichi Nuclear Power Station Unit 3 reactor building using an optical fiber radiation sensor based on wavelength-resolving analysis
    Radiation Measurements, 187, p.107486_1 - 107486_8, 2025/09
  28. Evaluation of stability of precipitates under irradiation in 316FR steel used as fast reactor structural material
    Research & Development in Material Science (Internet), 21, (5), p.2632 - 2637, 2025/06
  29. Influence of temperature on mechanical behavior and plasticity mechanism of a precipitation-strengthened medium-entropy alloy
    Science China; Technological Sciences, 68, (6), p.1620201_1 - 1620201_10, 2025/06
  30. 福島の山地森林のスギ立木における樹皮から木部に向かう放射性セシウムの分布と移行プロセス
    地学雑誌, 134, (3), p.309 - 321, 2025/06
  31. 岐阜県高根地域に分布する美濃帯沢渡コンプレックスから得られた砕屑性ジルコンU-Pb年代
    地質学雑誌(インターネット), 131, (1), p.31 - 38, 2025/03
  32. 砕屑性ジルコンのU-Pb年代測定による下部-中部中新統田辺層群の堆積年代の制約と応力場への示唆
    地質学雑誌(インターネット), 131, (1), p.59 - 70, 2025/04
  33. 分散長が地層処分の安全評価指標である最大核種移行率に与える影響の理解
    原子力バックエンド研究(CD-ROM), 32, (1), p.10 - 22, 2025/06
  34. 画像処理を用いた腐食評価法
    検査技術, 30, (8), p.21 - 26, 2025/08
  35. Neutron target for high-intensity operation at J-PARC MLF
    Proceedings of 16th International Particle Accelerator Conference (IPAC25) (Internet), p.3245 - 3249, 2025/06
  36. Development of risk importance measures for dynamic PRA based on risk triplet, 1; The Concept and measures of risk importance
    Proceedings of Probabilistic Safety Assessment and Management & Asian Symposium on Risk Assessment and Management (PSAM17 & ASRAM2024) (Internet), 9 Pages, 2024/10
  37. Development of risk importance measures for dynamic PRA based on risk triplet, 2; Trial measurement of risk importance through dynamic level 2 PRA with RAPID
    Proceedings of Probabilistic Safety Assessment and Management & Asian Symposium on Risk Assessment and Management (PSAM17 & ASRAM2024) (Internet), 10 Pages, 2024/10
  38. 原子力機構-東海タンデム加速器の現状
    Proceedings of 21st Annual Meeting of Particle Accelerator Society of Japan (インターネット), p.1165 - 1169, 2024/10
  39. Status of numerical tool development for the initiating phase in severe accidents of SFR in Japan
    IAEA-TECDOC-2079, p.163 - 175, 2025/01
  40. Development of HCl-free solid-phase extraction combined with ICP-MS/MS for rapid assessment of difficult-to-measure radionuclides, 3; Measurement of $$^{79}$$Se concentration in concrete rubble
    Journal of Radioanalytical and Nuclear Chemistry, 10 Pages, 2025/00
  41. Diffusion of Cs$$^{+}$$, I$$^{-}$$ and HDO onto pre-Neogene sedimentary rocks
    Journal of Nuclear Science and Technology, 14 Pages, 2025/00
  42. Photonuclear data evaluation for nuclei around A=200 considering experimental double differential cross-section data
    Journal of Nuclear Science and Technology, 17 Pages, 2025/00
  43. Estimation of influence of implicit effect due to multi-group cross-section perturbations on uncertainty analysis in PWR-UO$$_{2}$$ and -MOX lattice calculations
    Journal of Nuclear Science and Technology, 9 Pages, 2025/03
  44. Application study of adaptive mesh refinement method on unsteady wake vortex analysis
    Nuclear Technology, 13 Pages, 2025/06
  45. Assessment of suspended sediment and $$^{137}$$Cs sources during the flood event in the Fukushima river using $$^{13}$$C and $$^{14}$$C
    Journal of Radioanalytical and Nuclear Chemistry, 7 Pages, 2025/07
  46. Analysis and quantification of tritium and other low-level radionuclides present in ALPS-treated water
    Analytical Sciences, 9 Pages, 2025/06

特許　1件　－

  1. 超音波探触子及び超音波探触子の製造方法
    特開2025-104728, 2025/07/10