Results 21 to 30 of about 370,623 (293)
Development of active neutron nondestructive assay system [PDF]
EPJ Web of ConferencesThe assay of Special Nuclear Materials (SNM) and Minor Actinides (MA) in highly-radioactive nuclear materials poses a significant challenge for nuclear non-proliferation and security. No single nondestructive method can provide acceptable and practicable
Toh Yosuke +7 more
doaj +1 more source
Evaluation of important phenomena through the PIRT process for a sodium fire event
Nihon Kikai Gakkai ronbunshu, 2020 Sodium fire is one of key issues in sodium-cooled fast reactor (SFR) plants. JAEA has developed sodium fire analysis codes, a zone model code SPHINCS and a field model code AQUA-SF, to evaluate the consequence of sodium fire events.
Mitsuhiro AOYAGI +5 more
doaj +1 more source
Progress in Chlorination and Dissolution Technology of Oxides of Uranium and Plutonium
He huaxue yu fangshe huaxue, 2022 The dissolution process of oxides is a key step in the pyrochemical process of spent oxide fuel by electrolyzing in molten salt. The dissolved products will provide feeds for subsequent separation and recovery of U and Pu.
MENG Zhao-kai +6 more
doaj +1 more source
Extraction of Uranium From Alkali Residue With Supercritical Carbon Dioxide Fluid
He huaxue yu fangshe huaxue, 2023 Alkali residue was dissolved by the ammonium hydrogen fluoride method, in which the uranium content is determined to be (16.7±0.3)%(n=6) by inductively coupled plasma optical emission spectrometry(ICP-AES).
GANG Fa-yuan +6 more
doaj +1 more source
He huaxue yu fangshe huaxue, 2023 Vitrification is currently the primary choice worldwide for high-level nuclear waste immobilization. This study investigated the crystallization behaviors of glasses containing 24%(mass fraction) and 30% simulated high-level nuclear waste, respectively ...
CHANG Jiong +6 more
doaj +1 more source
Optical potential parameters from 12C + Zr elastic scattering
EPJ Web of Conferences, 2016 The angular distributions of 12C + 90,92,94,96Zr elastic scattering were measured with the Q3D magnetic spectrometer at the HI-13 tandem accelerator, Beijing. The real part of optical potential were extracted by analysing these angular distributions. The
Gan L. +14 more
doaj +1 more source
Adsorption of Nd3+ by Carboxylated Graphene Oxide
He huaxue yu fangshe huaxue, 2022 Graphene oxide(GO) has attracted extensive attention in the field of water environment treatment due to its large specific surface area and rich oxygen-containing functional groups. Graphene oxide was modified by carboxylation. The effects of solution pH,
TAO Wu-qing +4 more
doaj +1 more source
Mechanical Engineering Journal, 2023 The Japan Atomic Energy Agency has been developing “Advanced Reactor Knowledge- and AI-aided Design Integration Approach through the whole plant lifecycle (ARKADIA)” to offer the best solutions for challenges in the design and operation of nuclear plants.
Satoshi OKAJIMA +4 more
doaj +1 more source
Mechanical Engineering JournalJapan Atomic Energy Agency is developing extraction chromatography technology to recover MA(III) from spent nuclear fuel. Developments in the extraction chromatography system especially focusing on safety and stable operation are required for practical ...
Sou WATANABE +7 more
doaj +1 more source
Mechanical Engineering Journal, 2023 The influence evaluation against projectile impacts has attracted much attention for the safety assessment of nuclear-facility buildings subjected to projectiles, such as tornado missiles or aircraft.
Yukihiko OKUDA +4 more
doaj +1 more source