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Progress in Nuclear Science and Technology最新文献

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Material discrimination analysis by particle shape of nuclear materials for nuclear forensics application 核材料颗粒形状判别分析在核取证中的应用
Progress in Nuclear Science and Technology Pub Date : 2018-11-01 DOI: 10.15669/PNST.5.188
Yoshiki Kimura, N. Shinohara, Tetsuya Matsumoto
{"title":"Material discrimination analysis by particle shape of nuclear materials for nuclear forensics application","authors":"Yoshiki Kimura, N. Shinohara, Tetsuya Matsumoto","doi":"10.15669/PNST.5.188","DOIUrl":"https://doi.org/10.15669/PNST.5.188","url":null,"abstract":"Morphological characteristics of nuclear material is one of important features for material discrimination in nuclear forensic analysis. Japan Atomic Energy Agency (JAEA) has studied the methods and procedures for quantifying particle shapes for nuclear forensics application in order to improve accuracy and speed of nuclear forensic material discrimination. In this paper, current status of the works for material discrimination analysis by particle shapes of nuclear materials for nuclear forensics application performed in JAEA is discussed.","PeriodicalId":20706,"journal":{"name":"Progress in Nuclear Science and Technology","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2018-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77143282","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Magnesium potassium phosphate matrix for immobilization of actinide-containing radioactive waste 用于固定含锕系元素放射性废物的磷酸镁钾基质
Progress in Nuclear Science and Technology Pub Date : 2018-11-01 DOI: 10.15669/PNST.5.148
S. Vinokurov, S. Kulikova, B. Myasoedov
{"title":"Magnesium potassium phosphate matrix for immobilization of actinide-containing radioactive waste","authors":"S. Vinokurov, S. Kulikova, B. Myasoedov","doi":"10.15669/PNST.5.148","DOIUrl":"https://doi.org/10.15669/PNST.5.148","url":null,"abstract":"Low-temperature mineral-like magnesium potassium phosphate matrix of various chemical compositions have been synthesized. Their phase composition, structure and distribution of radioactive waste components have been studied. The mechanical, thermal, radiation and hydrolytic stability of the synthesized materials have been investigated according to the valid regulatory requirements. It has been demonstrated that the magnesium potassium phosphate matrix is promising materials for industrial solidification of the liquid waste, including highly saline actinide-containing waste with complex chemical composition.","PeriodicalId":20706,"journal":{"name":"Progress in Nuclear Science and Technology","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2018-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84231308","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Absorption spectroscopic observation of interactions between neptunium and oxide ions in molten LiCl-KCl eutectic 熔融LiCl-KCl共晶中镎与氧化物离子相互作用的吸收光谱观察
Progress in Nuclear Science and Technology Pub Date : 2018-11-01 DOI: 10.15669/PNST.5.44
T. Park, Dae-Hyeon Kim, Sang-Eun Bae, Jong-Yun Kim, Young-Hwan Cho
{"title":"Absorption spectroscopic observation of interactions between neptunium and oxide ions in molten LiCl-KCl eutectic","authors":"T. Park, Dae-Hyeon Kim, Sang-Eun Bae, Jong-Yun Kim, Young-Hwan Cho","doi":"10.15669/PNST.5.44","DOIUrl":"https://doi.org/10.15669/PNST.5.44","url":null,"abstract":"Absorption spectroscopic observation of interactions between neptunium and oxide ions in molten LiCl-KCl eutectic Tae-Hong Parka,b, Dae-Hyeon Kim, Sang-Eun Bae, Jong-Yun Kim and Young-Hwan Cho Nuclear Chemistry Research Division, Korea Atomic Energy Research Institute, 989-111 Daedeok-daero, Yusung-gu, Daejeon 34057, Korea; Department of Radiochemistry and Nuclear Nonproliferation, University of Science and Technology, 217 Gajeong-ro, Yuseong-gu, Daejeon 34113, Korea","PeriodicalId":20706,"journal":{"name":"Progress in Nuclear Science and Technology","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2018-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86707840","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Competing antiferromagnetic phases of the under-screened Anderson lattice model (INVITED) 未屏蔽Anderson晶格模型的竞争反铁磁相(应邀)
Progress in Nuclear Science and Technology Pub Date : 2018-11-01 DOI: 10.15669/PNST.5.86
A. C. Lausmann, E. Calegari, S. Magalhães, P. Riseborough
{"title":"Competing antiferromagnetic phases of the under-screened Anderson lattice model (INVITED)","authors":"A. C. Lausmann, E. Calegari, S. Magalhães, P. Riseborough","doi":"10.15669/PNST.5.86","DOIUrl":"https://doi.org/10.15669/PNST.5.86","url":null,"abstract":"We investigate the magnetic phases of the Under-screened Anderson Lattice Model (UALM) for nearly half-filled 5f bands and find a competition between two distinct magnetic phases. The version of the UALM that we consider consists of two correlated 5f bands that, in the paramagnetic state, hybridize with a single conduction band. At the Néel temperature, the paramagnetic state undergoes a second-order transition to antiferromagnetically ordered states, in which the Néel order parameter induces a mixing between the states with different 5f characters. As pressure is applied, there is a line of first-order transitions that separates two Néel phases. Furthermore, as the pressure is increased, the Néel temperature decreases as if the system is being driven towards a quantum critical point. However, the nature of the paramagnetic instability changes from second-order to first-order before the Neel temperature reaches absolute zero.","PeriodicalId":20706,"journal":{"name":"Progress in Nuclear Science and Technology","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2018-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86748895","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Research on long-term stability of mixed U and Pu large-sized dried (LSD) spikes for fissile material control 用于裂变材料控制的U、Pu混合大尺寸干燥(LSD)穗长期稳定性研究
Progress in Nuclear Science and Technology Pub Date : 2018-11-01 DOI: 10.15669/PNST.5.48
K. Toth, R. Buják, Ana Maria Sánchez Hernández, J. Bauwens, R. C. Marquez, R. Buda, N. Banik, R. Jakopič, E. Zuleger, Y. Aregbe
{"title":"Research on long-term stability of mixed U and Pu large-sized dried (LSD) spikes for fissile material control","authors":"K. Toth, R. Buják, Ana Maria Sánchez Hernández, J. Bauwens, R. C. Marquez, R. Buda, N. Banik, R. Jakopič, E. Zuleger, Y. Aregbe","doi":"10.15669/PNST.5.48","DOIUrl":"https://doi.org/10.15669/PNST.5.48","url":null,"abstract":"Kalman Toth, Renáta Buják, Ana Maria Sánchez Hernández, Jeroen Bauwens, Ramon Carlos Marquez, Razvan Buda, Nidhu Lal Banik, Rožle Jakopič, Evelyn Zuleger and Yetunde Aregbe European Commission, Joint Research Centre, Directorate for Nuclear Safety and Security, Standards for Nuclear Safety, Security and Safeguards Unit, Geel, 2400, Belgium; Nuclear Safeguards and Forensics Unit, Eggenstein-Leopoldshafen, 76344, Germany","PeriodicalId":20706,"journal":{"name":"Progress in Nuclear Science and Technology","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2018-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89549279","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Soft x-ray magnetic circular dichroism study on UGe2 UGe2的软x射线磁圆二色性研究
Progress in Nuclear Science and Technology Pub Date : 2018-11-01 DOI: 10.15669/PNST.5.171
Y. Takeda, T. Okane, Y. Saitoh, H. Yamagami, E. Yamamoto, Y. Haga
{"title":"Soft x-ray magnetic circular dichroism study on UGe2","authors":"Y. Takeda, T. Okane, Y. Saitoh, H. Yamagami, E. Yamamoto, Y. Haga","doi":"10.15669/PNST.5.171","DOIUrl":"https://doi.org/10.15669/PNST.5.171","url":null,"abstract":"In order to investigate the electronic and magnetic states of UGe2 element-specifically, we have performed soft x-ray magnetic circular dichroism experiments at the U N4,5 and Ge L2,3 absorption edges. We have detected the XMCD signals at both the U and Ge sites and observed clear hysteresis loops in the ferromagnetic (FM) state at T = 5.5 K. From the branching ratio B, it is found that the occupation number of 5f electrons (n5f) in UGe2 is close to 3. In addition, applying the magneto-optical sum rules analysis to the XMCD spectrum at the U N4,5 edges, the ratio of orbital magnetic moment to the spin magnetic moment (-ML/MS) is estimated to be 2.17. These values of B and -ML/MS are comparable compared with the results of other FM superconductors: URhGe and UCoGe.","PeriodicalId":20706,"journal":{"name":"Progress in Nuclear Science and Technology","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2018-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75752942","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Thermodynamic data development: solubility method and future research needs (PLENARY) 热力学数据的发展:溶解度方法和未来的研究需求(全体会议)
Progress in Nuclear Science and Technology Pub Date : 2018-11-01 DOI: 10.15669/PNST.5.19
D. Rai, M. Yui, A. Kitamura
{"title":"Thermodynamic data development: solubility method and future research needs (PLENARY)","authors":"D. Rai, M. Yui, A. Kitamura","doi":"10.15669/PNST.5.19","DOIUrl":"https://doi.org/10.15669/PNST.5.19","url":null,"abstract":"The solubility method has been used for a long time. Many older published studies used inadequate procedures fraught with deficiencies/problems and resulted in much of the older solubility data being of poor quality. What is surprising however is that there are still articles currently appearing in print describing new studies wherein the most up-to-date procedures have not been used. Discussed herein are important procedures to quantify/control during the use of solubility method to obtain reliable thermodynamic data. These procedures include quantification of hydrogen ion, selection of redox agents to control particular oxidation states for redox sensitive elements such as actinides, and separation of solids from solutions for determining soluble concentrations. Also discussed are 1) ideal procedures/characteristics for conducting solubility studies or evaluating the older literature, 2) an example of how to use the evaluation criteria to judge the quality of older data, 3) some pitfalls in interpreting solubility data, and 4) examples of future research for which the solubility method is ideally suited.","PeriodicalId":20706,"journal":{"name":"Progress in Nuclear Science and Technology","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2018-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80841732","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Single crystal growth and fermi surface properties in ThSb2 and ThBi2 ThSb2和ThBi2的单晶生长和费米表面性质
Progress in Nuclear Science and Technology Pub Date : 2018-11-01 DOI: 10.15669/PNST.5.112
A. Nakamura, F. Honda, Y. Homma, Dexin Li, D. Aoki, H. Harima, Y. Ōnuki
{"title":"Single crystal growth and fermi surface properties in ThSb2 and ThBi2","authors":"A. Nakamura, F. Honda, Y. Homma, Dexin Li, D. Aoki, H. Harima, Y. Ōnuki","doi":"10.15669/PNST.5.112","DOIUrl":"https://doi.org/10.15669/PNST.5.112","url":null,"abstract":"Single crystal growth and fermi surface properties in ThSb2 and ThBi2 Ai Nakamura, Fuminori Honda, Yoshiya Homma, Dexin Li, Dai Aoki, Hisatomo Harima and Yoshichika Ōnuki Institute for Materials Research, Tohoku University, Oarai, Ibaraki, 311-1313, Japan; Graduate School of Science, Kobe University, Kobe, 657-8501, Japan; Faculty of Science, University of the Ryukyus, Nishihara, Okinawa, 903-0213, Japan","PeriodicalId":20706,"journal":{"name":"Progress in Nuclear Science and Technology","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2018-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73634750","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Characterization of the VULCANO test products for fuel debris removal from the Fukushima Daiichi Nuclear Power Plant 福岛第一核电站燃料碎片清除VULCANO测试产品的特性
Progress in Nuclear Science and Technology Pub Date : 2018-11-01 DOI: 10.15669/pnst.5.217
T. Kitagaki, H. Ikeuchi, K. Yano, H. Ogino, J. Haquet, L. Brissonneau, B. Tormos, P. Piluso, T. Washiya
{"title":"Characterization of the VULCANO test products for fuel debris removal from the Fukushima Daiichi Nuclear Power Plant","authors":"T. Kitagaki, H. Ikeuchi, K. Yano, H. Ogino, J. Haquet, L. Brissonneau, B. Tormos, P. Piluso, T. Washiya","doi":"10.15669/pnst.5.217","DOIUrl":"https://doi.org/10.15669/pnst.5.217","url":null,"abstract":"Toru Kitagaki, Hirotomo Ikeuchi, Kimihiko Yano, Hideki Ogino, Jean-François Haquet, Laurent Brissonneau, Brigitte Tormos, Pascal Piluso and Tadahiro Washiya, aJapan Atomic Energy Agency, 4-33 Muramatsu, Tokai-mura, Naka-gun, Ibaraki-ken, 319-1194, Japan; bInternational Research Institute for Nuclear Decommissioning, 2-23-1 Nishi-Shimbashi, Minato-ku, Tokyo, 105-0003, Japan; cCommissariat à l’énergie atomique et aux énergies alternatives, Saint-Paul Lez Durance, 13108, France","PeriodicalId":20706,"journal":{"name":"Progress in Nuclear Science and Technology","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2018-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74864614","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 13
R&D strategy on mid- and long-term behavior of fuel debris 燃料碎片中长期性能研究与开发策略
Progress in Nuclear Science and Technology Pub Date : 2018-11-01 DOI: 10.15669/PNST.5.225
K. Yano, T. Kitagaki, T. Washiya, Y. Miyamoto, T. Ogawa
{"title":"R&D strategy on mid- and long-term behavior of fuel debris","authors":"K. Yano, T. Kitagaki, T. Washiya, Y. Miyamoto, T. Ogawa","doi":"10.15669/PNST.5.225","DOIUrl":"https://doi.org/10.15669/PNST.5.225","url":null,"abstract":"","PeriodicalId":20706,"journal":{"name":"Progress in Nuclear Science and Technology","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2018-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83593554","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
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