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al-driven peculiarities of local coordination and magnetic properties in single-phase al_(x)-CrFeCoNi high-entropy alloys

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Nano Research 2022年第6期15卷 4845-4858页

作者： alevtina Smekhova al.xei kuzmin Konrad Siemensmeyer Chen Luo Kai Chen Florin Radu Eugen Weschke Uwe Reinholz Ana Guilherme Buzanich Kirill V.Yusenko Helmholtz-Zentrum Berlin für Materialien und Energie(HZB) D-12489Germany Institute of Solid State Physics University of LatviaLV-1063Latvia Bundesanstalt für Materialforschung und-prüfung(BAM) D-12489Germany

Modern design of superior multi-functional alloys composed of several principal components requires in-depth studies of their local structure for developing desired macroscopic ***,peculiarities of atomic arrangements on the local scale and electronic states of constituent elements in the single-phase face-centered cubic(fcc)-and body-centered cubic(bcc)-structured high-entropy alx-CrFeCoNi alloys(x=0.3 and 3,respectively)are explored by element-specific X-ray absorption spectroscopy in hard and soft X-ray energy *** based on the reverse Monte Carlo approach allow to perform a simultaneous fit of extended X-ray absorption fine structure spectra recorded at K absorption edges of each 3d constituent and to reconstruct the local environment within the first coordination shells of absorbers with high *** revealed unimodal and bimodal distributions of all five elements are in agreement with structure-dependent magnetic properties of studied alloys probed by magnetometry.A degree of surface atoms oxidation uncovered by soft X-rays suggests different kinetics of oxide formation for each type of constituents and has to be taken into account.X-ray magnetic circular dichroism technique employed at L2,3 absorption edges of transition metals demonstrates reduced magnetic moments of 3d metal constituents in the sub-surface region of in situ cleaned fcc-structured al0.3-CrFeCoNi compared to their bulk *** to nanostructured versions of multicomponent alloys,such studies would bring new insights related to effects of high entropy mixing on low dimensions.

关键词： high-entropy alloys reverse Monte Carlo magnetism element-specific spectroscopy extended X-ray absorption fine structure(EXAFS) X-ray magnetic circular dichroism(XMCD)

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Rabies in a postpandemic world:resilient reservoirs,redoubtable riposte,recurrent roadblocks,and resolute recidivism

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Animal Diseases 2023年第2期3卷 63-89页

作者： Charles E.Rupprecht Philip P.Mshelbwala R.Guy Reeves Ivan V.kuzmin College of Forestry Wildlife&EnvironmentCollege of Veterinary MedicineAuburn UniversityAuburnAL 36849USA School of Veterinary Science University of QueenslandGattonAustralia Department of Veterinary Medicine Faculty of Veterinary MedicineUniversity of AbujaAbujaNigeria Max Planck Institut Fur Evolutionsbiologie 24306 PlonGermany Department of Pathology University of Texas Medical BranchGalvestonTX 77555USA

Rabies is an ancient *** centuries since Pasteur,fundamental progress occurred in virology,vaccinology,and diagnostics—and an understanding of pathobiology and epizootiology of rabies in testament to One Health—before common terminological ***,control,selective elimination,and even the unthinkable—occasional treatment—of this zoonosis dawned by the twenty-first ***,in contrast to smallpox and rinderpest,eradication is a wishful misnomer applied to rabies,particularly post-COVID-19 *** are *** encompasses bats and mesocarnivores,but other mammals represent a diverse spectrum of potential *** rabies virus is the classical member of the genus,other species of lyssaviruses also cause the *** reservoirs remain *** global,this viral encephalitis is untreatable and often *** with other neglected diseases,laboratory-based surveillance falls short of the notifiable ideal,especially in lower-and middleincome *** of actual burden defaults to a flux within broad health economic *** priorities,lack of defined,long-term international donors,and shrinking local champions challenge human prophylaxis and mass dog vaccination toward targets of 2030 for even canine rabies *** prevention,all licensed vaccines are delivered to the individual,whether parenteral or oral–essentially‘one and done’.Exploiting mammalian social behaviors,future‘spreadable vaccines’might increase the proportion of immunized hosts per unit ***,the release of replication-competent,genetically modified organisms selectively engineered to spread intentionally throughout a population raises significant biological,ethical,and regulatory issues in need of broader,transdisciplinary *** this rather curious idea will evolve toward actual unconventional prevention,control,or elimination in the near term remains *** the interim,more precise terminology an

关键词： Diagnosis Epidemiology Lyssavirus Neglected Tropical Diseases Pathogenesis Prophylaxis Rabies Surveillance Vaccination Zoonosis

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High-temperature glassy-ceramic sealants SiO_2-al_2O_3-BaO-MgO and SiO_2-al_2O_3-ZrO_2-CaO-Na_2O for solid oxide electrochemical devices

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Transactions of Nonferrous Metals Society of China 2016年第11期26卷 2916-2924页

作者： S.QI N.M.POROTNIKOVA M.V.ANANYEV A.V.kuzmin V.A.EREMIN A.A.PANKRATOV N.G.MOLCHANOVA O.G.REZNITSKIKH A.S.FARLENKOV E.G.VOVKOTRUB Yu.P.ZAIKOV 北京化工大学材料科学与工程学院北京100029 Institute of High-Temperature Electrochemistry of UB RAS Ekaterinburg 620137Russia Ural Federal University named after the First President of Russia B.N.Yeltsin Ekaterinburg 620002Russia

Glasses of the SiO_2-al_2O_3-BaO-MgO and SiO_2-al_2O_3-ZrO_2-CaO-Na_2O systems were synthesized in the perspective to apply them as sealants in SOFC at operating temperatures of 700-900 °C. Thermal properties of the chosen glass compositions and their compatibility with the SOFC materials(YSZ-electrolyte and alloy-interconnector Crofer22 APU, 15Х25Т) were investigated by means of synchronic thermal analysis and high-temperature dilatometry. The elemental analysis was performed by atomic emission spectroscopy. The average values of the temperature coefficients of the linear extension are 10.0×10^(-6) °С^(-1) for glass 45%SiO_2-15%al_2O_3-25%BaO-15%MgO and 9.5×10^(-6) °С^(-1) for glass 60%SiO_2-10%al_2O_3-10%ZrO_2-5%CaO-15%Na_2O. The gluing microstructure in YSZ/glass/Crofer22 APU was studied by scanning electron microscopy. The crystallization process of silicate phases was revealed to occur in the SiO_2-al_2O_3-BaO-MgO glass. The analysis of the crystallization products was performed by Raman spectroscopy and X-ray diffraction. Glassy ceramics was proved to possess better parameters in comparison with amorphous glass to be used as a sealant in electrochemical sensors and oxygen sensors. The SiO_2-al_2O_3-ZrO_2-CaO-Na_2O low-temperature amorphous glass can be applied in SOFC.

关键词： glassy-ceramic sealants SOFC YSZ Crofer22APU magnesium silicate

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激光剥蚀-等离子体质谱技术及其在地球化学宇宙化学和环境研究中的应用(英文)

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岩矿测试 2009年第1期28卷 53-68页

作者： JOCHUM Klaus Peter STOLL Brigitte FRIEDRICH Jon M AMINI Marghaleray BECKER Stefan DüCKING Marc EBEL Denton S ENZWEILER Jacinta HU Ming-yue kuzmin Dmitry MERTZ-KRAUS Regina MüLLER Werner E G REGNERY Julia SOBOLEV alexander WANG Xiao-hong ZHAN Xiu-chun Max Planck-lnstitut for Chemie Mainz 55020 Germany Department of Earth and Planetary Sciences American Museum of Natural History New York 10024 USA Department of Chemistry Fordham University BronxNew York 10458 USA Saskatchewan Isotope Laboratory Department of Geological Sciences University of Saskatchewan Saskatoon S7N 5E2 Canada Bundeskriminalamt Wiesbaden 65173 Germany Instituto de Geoci6ncias University of Campinas CP 6152 Campinas CEP 13083-970 Brazil National Research Center for Geoanalysis Beijing 100037 China Institut for Geowissenschaften Universitat Mainz Mainz 55099 Germany Institut for Physiologische Chemie Universitat Mainz Mainz 55099 Germany Institute of Geology and Mineralogy Siberian Branch of Russian Academy of Sciences Novosibirsk 630090 Russia V. I. Vernadsky Institute of Geochemistry and Analytical Chemistry Russian Academy of Sciences Moscow 119991 Russia

激光剥蚀-等离子体质谱(LA-ICPMS)已成为地球化学、宇宙化学和环境研究领域元素和同位素原位分析最重要的技术之一。文章介绍了多种类型的质谱仪及其使用的激光器。用途最广的LA-ICPMS仪器之一是单接收器扇形磁场质谱仪,配有Nd:YAG激光... 详细信息

激光剥蚀-等离子体质谱(LA-ICPMS)已成为地球化学、宇宙化学和环境研究领域元素和同位素原位分析最重要的技术之一。文章介绍了多种类型的质谱仪及其使用的激光器。用途最广的LA-ICPMS仪器之一是单接收器扇形磁场质谱仪,配有Nd:YAG激光剥蚀系统(激光波长分为193 nm和213 nm两种),MPI Mainz实验室使用的就是这套系统,文章对此作一详细介绍。文中阐述了数据优化技术及其多种校正过程;介绍LA-ICPMS在痕量元素和同位素分析领域的一些应用,包括参考物质的研制,Hawaiian玄武岩、Martian陨石、生物骨针和珊瑚虫中痕量元素分析及熔融包裹体和富钙-铝碳质球粒陨石中的铅和锶同位素测量。

关键词：激光剥蚀-等离子体质谱地质样品参考物质陨石生物样品痕量元素同位素比值

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Measurement of the integrated luminosity of the Phase 2 data of the Belle Ⅱ experiment

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Chinese Physics C 2020年第2期44卷 1-12页

作者： F.Abudinén I.Adachi P.Ahlburg H.Aihara N.Akopov A.aloisio F.Ameli L.Andricek N.Anh Ky D.M.Asner H.Atmacan T.Aushev V.Aushev T.Aziz K.Azmi V.Babu S.Baehr S.Bahinipati A.M.Bakich P.Bambade Sw.Banerjee S.Bansal V.Bansal M.Barrett J.Baudot A.Beaulieu J.Becker P.K.Behera J.V.Bennett E.Bernieri F.U.Bernlochner M.Bertemes M.Bessner S.Bettarini V.Bhardwaj F.Bianchi T.Bilka S.Bilokin D.Biswas G.Bonvicini A.Bozek M.Bračko P.Branchini N.Braun T.E.Browder A.Budano S.Bussino M.Campajola L.Cao G.Casarosa C.Cecchi D.Červenkov M.-C.Chang P.Chang R.Cheaib V.Chekelian Y.Q.Chen Y.-T.Chen B.G.Cheon K.Chilikin H.-E.Cho K.Cho S.Cho S.-K.Choi S.Choudhury D.Cinabro L.Corona L.M.Cremaldi S.Cunliffe T.Czank F.Dattola E.De La Cruz-Burelo G.De Nardo M.De Nuccio G.De Pietro R.de Sangro M.Destefanis S.Dey A.De Yta-Hernandez F.Di Capua S.Di Carlo J.Dingfelder Z.Doležal I.Domínguez Jiménez T.V.Dong K.Dort S.Dubey S.Duell S.Eidelman M.Eliachevitch T.Ferber D.Ferlewicz G.Finocchiaro S.Fiore A.Fodor F.Forti A.Frey B.G.Fulsom M.Gabriel E.Ganiev M.Garcia-Hernandez R.Garg A.Garmash V.Gaur A.Gaz U.Gebauer A.Gellrich J.Gemmler T.Geßler R.Giordano A.Giri B.Gobbo R.Godang P.Goldenzweig B.Golob P.Gomis P.Grace W.Gradl E.Graziani D.Greenwald C.Hadjivasiliou S.Halder K.Hara T.Hara O.Hartbrich K.Hayasaka H.Hayashii C.Hearty M.T.Hedges I.Heredia de la Cruz M.Hernández Villanueva A.Hershenhorn T.Higuchi E.C.Hill H.Hirata M.Hoek S.Hollitt T.Hotta C.-L.Hsu Y.Hu K.Huang T.Iijima K.Inami G.Inguglia J.Irakkathil Jabbar A.Ishikawa R.Itoh M.Iwasaki Y.Iwasaki S.Iwata P.Jackson W.W.Jacobs D.E.Jaffe E.-J.Jang H.B.Jeon S.Jia Y.Jin C.Joo J.Kahn H.Kakuno A.B.Kaliyar G.Karyan Y.Kato T.Kawasaki H.Kichimi C.Kiesling B.H.Kim C.-H.Kim D.Y.Kim S.-H.Kim Y.K.Kim Y.Kim T.D.Kimmel K.Kinoshita C.Kleinwort B.Knysh P.Kodyš T.Koga I.Komarov T.Konno S.Korpar D.Kotchetkov N.Kovalchuk T.M.G.Kraetzschmar P.Križan R.Kroeger J.F.Krohn P.Krokovny W.Kuehn T.Kuhr M.Kumar R.Kumar K.Kumara S.Kurz A.kuzmin Y.-J.Kwon S.Lacaprara Y.-T.Lai C.La Licata K.Lalwani L.Lanceri J.S.Lange K.Lautenbach I.-S.Le Beihang University Beijing 100191 Brookhaven National Laboratory UptonNew York 11973 Budker Institute of Nuclear Physics SB RAS Novosibirsk 630090 Centro de Investigacion y de Estudios Avanzados del Instituto Politecnico Nacional Mexico City 07360 Faculty of Mathematics and Physics Charles University12116 Prague Chiba University Chiba 263-8522 Consejo Nacional de Ciencia y Tecnología Mexico City 03940 Deutsches Elektronen–Synchrotron 22607 Hamburg Duke University DurhamNorth Carolina 27708 Earthquake Research Institute University of TokyoTokyo 113-0032 Forschungszentrum Jülich 52425 Jülich Department of Physics Fu Jen Catholic UniversityTaipei 24205 Key Laboratory of Nuclear Physics and Ion-beam Application(MOE)and Institute of Modern Physics Fudan UniversityShanghai 200443 II.Physikalisches Institut Georg-August-Universität Göttingen37073 Göttingen Gifu University Gifu 501-1193 The Graduate University for Advanced Studies(SOKENDAI) Hayama 240-0193 Gyeongsang National University Jinju 52828 Department of Physics and Institute of Natural Sciences Hanyang UniversitySeoul 04763 High Energy Accelerator Research Organization(KEK) Tsukuba 305-0801 J-PARC Branch KEK Theory CenterHigh Energy Accelerator Research Organization(KEK)Tsukuba 305-0801 Indian Institute of Science Education and Research Mohali SAS Nagar140306 Indian Institute of Technology Bhubaneswar Satya Nagar 751007 Indian Institute of Technology Hyderabad Telangana 502285 Indian Institute of Technology Madras Chennai 600036 Indiana University BloomingtonIndiana 47408 Institute for High Energy Physics Protvino 142281 Institute of High Energy Physics Vienna 1050 Institute of High Energy Physics Chinese Academy of SciencesBeijing 100049 Institute of Particle Physics(Canada) VictoriaBritish Columbia V8W 2Y2 Institute of Physics Hanoi Instituto de Fisica Corpuscular Paterna 46980 INFN Laboratori Nazionali di Frascati I-00044 Frascati INFN Sezione di Napoli I-80126 Napoli INFN Sezione di Padova I-35131 Padova INFN Sezione di Perugia I-06123 Perugia

From April to July 2018,a data sample at the peak energy of the T(4 S) resonance was collected with the Belle Ⅱ detector at the SuperKEKB electron-positron *** is the first data sample of the Belle Ⅱ *** Bhabha and digamma events,we measure the integrated luminosity of the data sample to be(496.3±0.3±3.0) pb-1,where the first uncertainty is statistical and the second is *** work provides a basis for future luminosity measurements at Belle Ⅱ.

关键词： luminosity Bhabha digamma Belle II

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