云南高校图书馆联盟文献共享服务平台- NEPTUNIUM

NEPTUNIUM: 作品数：21被引量：1H指数：1; 导出分析报告; 相关领域：核科学技术理学更多>>; 相关作者：矫海洋章英杰林漳基赵欣陈耀中更多>>; 相关机构：中国原子能科学研究院更多>>; 相关期刊：《Communications in Theoretical Physics》《Chinese Physics B》《Chinese Physics C》《中国原子能科学研究院年报》更多>>; 相关基金：国家自然科学基金北京市自然科学基金更多>>

Research on application of salt-free reductants in uranium/ neptunium/plutonium separation: 《Chinese Journal of Chemical Engineering》2025年第3期30-44,共15页Qi Chen Tianchi Li Ziqian Zhao Yifu Hu Baole Li Taihong Yan Guoan Ye; In current spent nuclear fuel reprocessing,the predominant method involves chemical extraction,leveraging the differing distribution ratios of elements to achieve separation and purification.Effective separation of ur...; 关键词：Spent fuel Salt-free reagent PUREX process Redox Reprocessing process

Theoretical perspectives on the reduction of Pu(Ⅳ)and Np(Ⅵ)by methylhydrazine in HNO_(3)solution:Implications for Np/Pu separation: 《Chinese Chemical Letters》2024年第7期306-312,共7页Xiaobo Li Qunyan Wu Congzhi Wang Jianhui Lan Meng Zhang Weiqun Shi; supported by the National Natural Science Foundation of China(Nos.U2067212,22376197,U1867205);the National Science Fund for Distinguished Young Scholars(No.21925603)。; Effective adjustment and control of the oxidation state of plutonium(Pu)and neptunium(Np)is an indispensable component of Np/Pu separation in spent nuclear fuel reprocessing.Some hydrazine derivatives including methyl...; 关键词：NEPTUNIUM PLUTONIUM METHYLHYDRAZINE Reduction mechanism Np/Pu separation

Optically“silent”neptunium(Ⅴ)-nitrate complex in ionic liquid: 《Chinese Chemical Letters》2022年第7期3531-3533,共3页Xue Dong Zhipeng Wang Qiang Yan Haiwang Liu Yuxiao Guo Hong Cao Jing Chen Chao Xu; the financial support from the National Natural Science Foundation of China(Nos.21790372 and 21822606);Beijing Natural Science Foundation(No.JQ20041)。; The complexation of pentavalent neptunium,Np(Ⅴ),with nitrate ion in an ionic liquid solution has been studied spectroscopically for the first time.The characteristic f-f transition absorption band of Np(Ⅴ)in the NIR...; 关键词：NEPTUNIUM Ionic liquid COMPLEXATION ABSORPTION f-f transition

Kinetic energy distribution for neutron-induced fission of neptunium isotopes: 《Chinese Physics C》2021年第2期502-508,共7页P Mehdipour Kaldiani; The mean total kinetic energy as a function of fission fragments,thedistribution,is presented for neutron-induced fission of ^(235-239)Np using the scission point model.The calculated results offor neutron-i...; 关键词：scission point model total kinetic energy neutron-induced fission fission fragments deformation parameters

Separation Method for Neptunium Using TEVA-TEVA Column: 《中国原子能科学研究院年报》2018年第1期170-171,共2页YING Zhecong ZHAO Shengyang; Neptunium is one of the most important objects in the spent fuel reprocessing process.The neptunium is difficult to analyze because of its low concentration and seriously impacted by uranium.In the most of the points,...; 关键词：SEPARATION Method TEVA-TEVA COLUMN NEPTUNIUM

Determination of Uranium,Neptunium and Plutonium in 1AW: 《中国原子能科学研究院年报》2018年第1期171-171,共1页HAO Xiaojuan TAN Shuping ZHAO Lifei; The solution in 1AW is the waste of the first separation unit in Purex process.The composition of the aqueous waste of the co-decontaminating unit is very complex.It contains almost all the radioactive fragment elemen...; 关键词：DETERMINATION Uranium Neptunium PLUTONIUM in 1AW

Theoretical study on K,L,and M X-ray transition energies and rates of neptunium and its ions被引量：1: 《Chinese Physics B》2014年第2期193-198,共6页Ismail Abdalla Saber 董晨钟王向丽周卫东武中文; Project supported by the National Natural Science Foundation of China (Grant Nos.91126007,11274254,10964010,and 11064012); The transition energies and electric dipole （El） transition rates of the K, L, and M lines in neutral Np have been theoretically determined from the MultiConfiguration Dirac-Fock （MCDF） method. In the calculations...; 关键词：Np ions K L and M X-rays transition energies transition rates

Separation Method of Uranium and Plutonium From Large Amount of Neptunium: 《Annual Report of China Institute of Atomic Energy》2013年第1期143-144,共2页SU Yu-lan JIN Hua YING Zhe-cong ZHAO Sheng-yang; Uranium and plutonium are limited strictly in the neptunium product.To eliminate the influence of neptunium matrix on determination of uranium and plutonium,a new separation method of uranium and plutonium from large ...; 关键词：URANIUM eliminate illustrated STRICTLY separate loaded

Separation Method of Neptunium From Large Amount of Plutonium: 《Annual Report of China Institute of Atomic Energy》2013年第1期144-144,共1页JIN Hua SU Yu-lan YING Zhe-cong ZHAO Sheng-yang; A new separation method of neptunium from large amount of plutonium by TEVA column has been developed.A series of influence factors are studied such as resin’s types,valence adjusting of Np and Pu,extraction and elut...; 关键词：resin ADJUSTING VALENCE recommended CONVERTING

The Separation Method of Neptunium in Reprocessed Uranium Product by TEVA-UTEVA Column Extraction Chromatography: 《Annual Report of China Institute of Atomic Energy》2012年第1期160-161,共2页JIN Hua SU Yu-lan YING Zhe-cong ZHAO Sheng-yang; 237Np, as a highly toxic nuclide, is limited strictly in the final uranium product of spent nuclear fuel reprocessing plant. Due to the low concentration level of 237Np, which is lower than 2.5 μg/g U, its accurate m...

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