云南高校图书馆联盟文献共享服务平台- URANIUM

URANIUM: 作品数：622被引量：580H指数：11; 导出分析报告; 相关领域：核科学技术理学更多>>; 相关作者：赵永刚丁德馨张燕崔建勇王永东更多>>; 相关机构：核工业北京地质研究院中国原子能科学研究院中国工程物理研究院南华大学更多>>; 相关期刊：更多>>; 相关基金：国家自然科学基金国家重点基础研究发展计划中国博士后科学基金国家高技术研究发展计划更多>>

Prompt fission neutron uranium logging(Ⅱ):dead-time effect of the neutron time spectrum: 《Nuclear Science and Techniques》2025年第2期82-94,共13页Yan Zhang Chi Liu Shi-Liang Liu Hao-Ran Zhang Hai-Tao Wang Jin-Hui Qu Wen-Xing Hu Ren-Bo Wang Bin Tang; supported by the National Natural Science Foundation of China(No.42374226);Jiangxi Provincial Natural Science Foundation(Nos.20232BAB201043 and 20232BCJ23006);Nuclear Energy Development Project(20201192-01);National Key Laboratory of Uranium Resource Exploration-Mining and Nuclear Remote Sensing(ECUT)(2024QZ-TD-09);Fundamental Science on Radioactive Geology and Exploration Technology Laboratory(2022RGET20).; The acquisition of neutron time spectrum data plays a pivotal role in the precise quantification of uranium via prompt fission neutron uranium logging(PFNUL).However,the impact of the detector dead-time effect remains...; 关键词：PFNUL Neutron time spectrum Dead time Pulsed source Correction method

Efficient extraction of uranium(VI)from aqueous solution by Zr/Ce-UiO-66-NH_(2) modified by dual strategies of bimetallization and amination: 《Nuclear Science and Techniques》2024年第11期124-137,共14页Wen-Hui Song Chen Wang Cheng-De Xie Zhi-Xiong Zhang Jian-Jun Wang; supported by the National Natural Science Foundation of China(No.22376058).; We modified Zr/Ce-UiO-66-NH_(2) using dual bimetallization and amination strategies to efficiently extract uranium from water resources.XRD,FTIR,and XPS indicated the successful alteration of material amination.Moreov...; 关键词：MOF modification Zr/Ce-UiO-66-NH_(2) Adsorption uranium Adsorption mechanism

Nondestructive and active interrogation system for special nuclear material:proof of principle and initial results被引量：1: 《Nuclear Science and Techniques》2024年第5期216-225,共10页Mahmoud Bakr Kai Masuda Yoshiyuki Takahashi Tsuyoshi Misawa Norio Yamakawa Tomas Scott; supported by Special Coordination Funds for Promoting Science and Technology,sponsored by Japan’s Ministry of Education,Culture,Sports,Science and Technology(MEXT).; Herein,we employ the threshold energy neutron analysis(TENA)technique to introduce the world's first active interrogation system to detect special nuclear materials(SNMs),including U-235 and Pu-239.The system utilizes...; 关键词：Special nuclear materials Uranium detection Inertial electrostatic confinement fusion TENA HEU CTMFD

Benchmark experiment on slab^(238)U with D-T neutrons for validation of evaluated nuclear data被引量：1: 《Nuclear Science and Techniques》2024年第2期145-159,共15页Yan-Yan Ding Yang-Bo Nie Yue Zhang Zhi-Jie Hu Qi Zhao Huan-Yu Zhang Kuo-Zhi Xu Shi-Yu Zhang Xin-Yi Pan Chang-Lin Lan Jie Ren Xi-Chao Ruan; This work was supported by the general program(No.1177531);joint funding(No.U2067205)from the National Natural Science Foundation of China.; A benchmark experiment on^(238)U slab samples was conducted using a deuterium-tritium neutron source at the China Institute of Atomic Energy.The leakage neutron spectra within energy levels of 0.8-16 MeV at 60°and 12...; 关键词：Leakage neutron spectra URANIUM D-T neutron source Evaluated nuclear data

Static and dynamic evolution of CO adsorption onγ-U(100)surface with different levels of Mo doping using DFT and AIMD calculations被引量：1: 《Nuclear Science and Techniques》2023年第9期142-154,共13页Jun-Wei Li Wei-Min Jia Chong Liu Sha-Sha Lv Jin-Tao Wang Zheng-Cao Li; supported by the National Natural Science Foundation of China (Nos.11975135 and 12005017);the National Basic Research Program of China (No.2020YFB1901800); Alloys of uranium and molybdenum are considered as the future of nuclear fuel and defense materials.However,surface corrosion is a fundamental problem in practical applications and storage.In this study,the static and...; 关键词：Adsorption and dissociation URANIUM CO molecule Density functional theory Ab initio molecular dynamics

Branched fibrous amidoxime adsorbent with ultrafast adsorption rate and high amidoxime utilization for uranium extraction from seawater被引量：1: 《Nuclear Science and Techniques》2023年第6期79-90,共12页Wan-Ning Ren Xin-Xin Feng Yu-Long He Ming-Lei Wang Wan-Feng Hong Hong-Wei Han Jiang-Tao Hu Guo-Zhong Wu; supported by the National Natural Science Foundation of China(Nos.11675247,22176194).; Direct collection of uranium from low uranium systems via adsorption remains challenging.Fibrous sorbent materials with amidoxime(AO)groups are promising adsorbents for uranium extraction from seawater.However,low AO ...; 关键词：Radiation graft technology Branching structure High amidoxime utilization Seawater uranium extraction Ultrafast adsorption

Efficient and selective extraction of uranium from seawater based on a novel pulsed liquid chromatography radionuclide separation method被引量：3: 《Nuclear Science and Techniques》2023年第2期13-27,共15页Jian‑Hua Ye Tao Yu; the Natural Science Foundation of Jiangxi Province,China(No.20202BABL203004);the Opening Project of the State Key Laboratory of Nuclear Resources and Environment(East China University of Technology)(No.2022NRE23);the Opening Project of Jiangxi Province Key Laboratory of Polymer Micro/Nano Manufacturing and Devices(No.PMND202101).; The novel pulsed liquid chromatography radionuclide separation method presented here provides a new and promising strategy for the extraction of uranium from seawater.In this study,a new chromatographic separation met...; 关键词：Pulsed liquid chromatography Nuclide separation Seawater uranium extraction Uranium enrichment

Efficient extraction of U(VI)ions from solutions: 《Nuclear Science and Techniques》2023年第1期13-22,共10页Ya‑Wen Cai Ming Fang Bao‑Wei Hu Xiang‑Ke Wang; supported by the National Key Research and Development Program of China (No. 2018YFC1900105);National Natural Science Foundation of China (Nos. U21A20290, 21876047); The rapid development of advanced techniques for selective and efficient U(Ⅵ) extraction from aqueous solutions is essential for addressing U(Ⅵ) environmental pollution and energy issues. Here, we share recent progr...; 关键词：Uranium extraction ADSORPTION CATALYSIS Reduction Chemical deposition

3D characterization of porosity and minerals of low-permeability uranium-bearing sandstone based on multi-resolution image fusion被引量：8: 《Nuclear Science and Techniques》2020年第10期115-134,共20页Bing Sun Shan-Shan Hou Sheng Zeng Xin Bai Shu-Wen Zhang Jing Zhang; This work was supported by the National Natural Science Foundation of China(No.11775107);the Key Projects of Education Department of Hunan Province of China(No.16A184).; In the process of in situ leaching of uranium,the microstructure controls and influences the flow distribution,percolation characteristics,and reaction mechanism of lixivium in the pores of reservoir rocks and directl...; 关键词：Low-permeability uranium-bearing sandstone Digital core MICRO-CT SEM–EDS Image fusion

Isothermal, kinetic, and thermodynamic studies for solid-phase extraction of uranium(VI) via hydrazine-impregnated carbonbased material as efficient adsorbent被引量：4: 《Nuclear Science and Techniques》2019年第11期41-51,共11页A.Morsy M.H.Taha Muhammad Saeed Amir Waseem Muhammad Asad Riaz M.M.Elmaadawy; The current study describes the application of a new extraction method for efficient uranium adsorption via cost-effective hydrazine-impregnated activated carbon.Various experimental parameters such as time, adsorbent...; 关键词：URANIUM Adsorption Phosphoric acid HYDRAZINE Carbon

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