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One-step fabrication of ultrathin layered 1T@2H phase MoS2 with high catalytic activity based counter electrode for photovoltaic devices

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Journal of Materials Science & Technology 2020年第16期47卷 94-101页

作者： k.Silambarasan J.Archana S.Harish M.Navaneethan R.Sankar Ganesh S.Ponnusamy C.Muthamizhchelvan k.hara Functional Materials and Energy Devices Laboratory Department of Physics and NanotechnologySRM Institute of Science and TechnologyKattankulathur603203India Nanotechnology Research Center(NRC) Faculty of Engineering and TechnologySRM Institute of Science and TechnologyKattankulathur603203India Research Institute of Electronics Shizuoka University3-5-1 JohokuNaka-KuHamamatsuShizuoka432-8011Japan Graduate School of Science and Technology Shizuoka University3-5-1 JohokuNaka-KuHamamatsuShizuoka432-8011Japan

The metallic phase of molybdenum disulfide(M-MoS2)and semiconductor phase of molybdenum disulfide(S-MoS2)was synthesized by hydrothermal method,using cetyltrimethylammonium bromide(CTAB)as a *** structural and elemental composition confirmed the formation of M-MoS2 and *** the morphological analysis layered nanosheets with an inter-layered distance of 0.62 nm for M-MoS2 and 0.95 nm for S-MoS2 was ***-transform infrared(FT-IR)spectral analysis was used to investigate the existence of CTAB functional *** peak at 885 cm-1 attributed to the CH3 bond which confirmed the presence of CTAB in the *** anodic and cathodic peak separation(Epp)values of the counter electrode(CE)has showed at 468.28 mV(M-MoS2)and 540.87 mV(S-MoS2).The M-MoS2 thin film shows higher catalytic activity when compared to S-MoS2 due to more active sites and electronic *** power conversion efficiency of M-MoS2 CE based device exhibits higher efficiency compared to S-MoS2 CE based device.

关键词： M-MoS2 S-MoS2 Layered nanosheet Catalytic Power conversion

固体气泡探测器--固体核径迹探测器的新类别

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固体气泡探测器--固体核径迹探测器的新类别

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

第八届全国固体核径迹学术会议

作者：郭士伦 T.Doke 李丽陈宝流张东海 J.kikuchi k.Terasawa M. komiyama k.hara T.Fuse N. Yasuda T. Murakami 中国原子能科学研究院 Advanced Research Institute for Science and Engineering. Waseda University Tokyo Japan 山西师范大学现代物理研究所 Advanced Research Institute for Science and Engineering Waseda University Tokyo Japan The Institute of Physical and Chemical Research Wako Saitama Japan National Institute of Radiological Sciences Chiba Japan

从事固体核径迹探测器研究的固体气泡探测器的发明人加拿大华裔科学家吴汉健(***)博土为了提高塑料径迹探测器的灵敏度,在塑料中加入无数过热液体微滴,当带电粒子或中子产生的反冲核通过过热液体微滴时,过热液体气化,生成气泡,从而研究...

从事固体核径迹探测器研究的固体气泡探测器的发明人加拿大华裔科学家吴汉健(***)博土为了提高塑料径迹探测器的灵敏度,在塑料中加入无数过热液体微滴,当带电粒子或中子产生的反冲核通过过热液体微滴时,过热液体气化,生成气泡,从而研究出一种新的粒子径迹显影方法,发明了固体气泡探测器。我们利用加速器加速的高能重离子p\He\c\Si\Ar\Fe\kr利Xe对固体气泡探测器的性质进行了研究,说明:固体气泡探测器具有固体核径迹探测器的性质,且具有显影主动性、实时记录性、体径迹显示能力等多方面普通固体核径迹探测器不具有的性能。可以得出结论:固体气泡探测器是固体核径迹探测器的一种新类别。

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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

Mineral sulphide-lime reactions and effect of CaO/C mole ratio during carbothermic reduction of complex mineral sulphides

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International Journal of Minerals,Metallurgy and Materials 2014年第1期21卷 1-11页

作者： Yotamu Stephen Rainford hara Institute for Materials Research(IMR) School of ProcessEnvironmental and Materials Engineering(SPEME)University of Leeds

Mineral sulphide （MS）-lime （CaO） ion exchange reactions （MS ＋ CaO = MO ＋ CaS） and the effect of CaO/C mole ratio during carbothermic reduction （MS ＋ CaO ＋ C = M ＋ CaS ＋ CO（g）） were investigated for complex froth flotation mineral sulphide concentrates. Phases in the partially and fully reacted samples were characterised by X-ray diffraction （XRD） and scanning electron microscopy （SEM）. The primary phases during mineral sulphide-lime ion exchange reactions are Fe304, CaSO4 Cu2S, and CaS. A complex liquid phase of Ca2CuFeO3S forms during mineral sulphide-lime exchange reactions above 1173 k. The formation mechanisms of Ca2CuFeO3S liquid phase are determined by characterising the partially reacted samples. The reduction rate and extent of mineral sulphides in the presence of CaO and C increase with the increase in CaO/C ratio. The metallic phases are surrounded by the CaS rich phase at CaO/C 〉 1, but the metallic phases and CaS are found as separate phases at CaO/C 〈 1. Experimental results show that the stoichiometric ratio of carbon should be slightly higher than that of CaO. The reactions between CaO and gangue minerals （SiO2 and A1203） are only observed at CaO/C 〉 1 and the reacted samples are excessively sintered.

关键词： sulphide minerals ion exchange carbothermic reduction lime

Small-diameter vertical shafts constructed in the shallow space of steep mountainous areas

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Underground Space 2019年第3期4卷 235-250页

作者： T.hara A.Yashima k.Sawada k.kariya H.Tsuji N.Soga University of Toyama Japan Gifu University Japan Eight kogyo Co.Ltd. Japan

Japan is a mountainous country comprising several islands,in which mountains occupy 70%of the entire ***,numerous transmission line towers have been constructed in the shallow space of steep mountainous *** such construction,monorails and/or cableways are generally used to transport materials and equipment to the construction site instead of using a construction road,as the former method is more economically ***,with this method,drill rigs or vertical shaft sinking machines cannot be transported to the *** small-diameter vertical shafts of 2.5 or 3.0 m as the foundation for high-voltage transmission line towers in mountainous areas are traditionally constructed manually in *** the past two decades,however,dangerous and poor environmental conditions for workers regarding the manual construction of these small-diameter vertical shafts have become a major ***,owing to the poor environmental conditions of small-diameter vertical shafts to be constructed in the shallow space of steep mountainous areas,a decrease has occurred in the number of young workers entering these ***,the construction of transmission line towers with using the manually traditional small-diameter vertical shafts is becoming difficult in Japan from abovementioned *** development of a new technology to solve the problems is necessary for Japan’s economic *** this knowledge,the authors have developed a new small-diameter vertical shaft construction system,in which workers do not have to enter the vertical shaft during construction,as machines are used *** applicability of the proposed system was confirmed by means of the construction of three actual vertical shafts at two construction sites,as well as in factory and field *** applicability and details of the final proposed system are summarized in this paper.

关键词： Small-diameter vertical shaft Shallow space Steep mountainous area

Magnetohydrodynamic‑based Internal Cooling System for a Ceramic Cutting Tool:Concept Design,Numerical Study,and Experimental Evalidation

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Nanomanufacturing and Metrology 2023年第4期6卷 60-80页

作者： John O’hara Fengzhou Fang Center of Micro/Nano Manufacturing Technology(MNMT-Dublin) University College DublinDublin 4Ireland State key Laboratory of Precision Measuring Technology and Instruments Laboratory of Micro/Nano Manufacturing Technology(MNMT)Tianjin UniversityTianjin 300072China

The efective removal of the heat generated during mechanical cutting processes is crucial to enhancing tool life and produc-ing workpieces with superior surface *** internal cooling systems used in cutting inserts employ a liquid water-based solvent as the primary medium to transport the excess thermal energy generated during the cutting *** limitations of this approach are the low thermal conductivity of water and the need for a mechanical input to circulate the coolant around the inner chamber of the cutting *** this context,this paper proposes an alternative method in which liquid gallium is used as the coolant in combination with a magnetohydrodynamic(MHD)pump,which avoids the need for an external power *** computational fuid dynamics,we created a numerical model of an internal cooling system and then solved it under conditions in which a magnetic feld was applied to the liquid *** was followed by a simulation study performed to evaluate the efectiveness of liquid gallium over liquid *** results of experiments conducted under non-cooling and liquid gallium cooling conditions were analyzed and compared in terms of the tool wear *** results showed that after six machining cycles at a cutting speed Vc=250 m min−1,the corner wear VBc rate was 75µm with the coolant of and 48µm with the MHD-based coolant on,representing a decrease of 36%in tool *** Vc=900 m min−1,the corner wear VBc rate was 75µm with the coolant of and 246µm with the MHD-based coolant on,representing a decrease of 31%in tool *** external cooling using liquid water was added,the results showed at Vc=250 m min−1,the diference between the tool wear rate reduction with the internal liquid gallium coolant relative to the external coolant was 29%.When the cutting speed was increased to Vc=900 m min−1,the diference observed between the internal liquid gallium coolant relative to the external coolant was 16%.The study proves the feasibility of using liqu

关键词： Internal cooling Heat transfer Liquid metal Magnetic feld Cutting tool

Rule induction based on rough sets from information tables having continuous domains

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CAAI Transactions on Intelligence Technology 2019年第4期4卷 237-244页

作者： Michinori Nakata Hiroshi Sakai keitarou hara Faculty of Management and Information Science Josai International UniversityGumyoToganeChiba 283-0002Japan Graduate School of Engineering Kyushu Institute of TechnologySensui 1-1TobataKitakyushu 804-8550Japan Department of Informatics Tokyo University of Information Sciences4-1 OnaridaiWakaba-kuChiba 265-8501Japan

Information tables having continuous domains are handled by neighborhood rough *** approximations in complete information tables are extended to handle incomplete ***,four approximations are obtained:certain and possible lower ones and certain and possible upper ones without computational *** extended approximations create the same results as the ones from possible world semantics by using possible indiscernibility ***,the extension is *** complete information tables two types of single rules that an object supports are obtained:consistent and inconsistent *** single rule has low *** increase applicability,a series of single rules are brought into one combined rule with an interval *** incomplete information tables four kinds of single rules are *** them,four kinds of combined rules are obtained:certain and consistent,possible and consistent,certain and inconsistent,and possible inconsistent ones.A combined rule has higher applicability than the single rules from which it is assembled.

关键词： value. inconsistent incomplete

Effect of FeO concentration in sinter iron ore on reduction behavior in a hydrogen-enriched blast furnace

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International Journal of Minerals,Metallurgy and Materials 2022年第10期29卷 1820-1829页

作者： ko-ichiro Ohno Takayuki Maeda kazuya kunitomo Masashi hara Department of Materials Faculty of EngineeringKyushu University744 MotookaNishi-kuFukuoka 819-0395Japan kashima Area East Nippon WorksNippon Steel Corporation3 HikariKashima CityIbaraki 314-0014Japan

Japan started the national project“COURSE 50”for CO_(2) reduction in the *** project aimed to establish novel technologies to reduce CO_(2) emissions with partially utilization of hydrogen in blast furnace-based ironmaking by 30%by around 2030 and use it for practical applications by *** idea is that instead of coke,hydrogen is used as the reducing agent,leading to lower fossil fuel consumption in the *** has been reported that the reduction behavior of hematite,magnetite,calcium ferrite,and slag in the sinter is different,and it is also considerably influenced by the sinter *** study aimed to investigate the reduction behavior of sinters in hydrogen enriched blast furnace with different mineral morphologies in CO-CO_(2)-H2 mixed *** an experimental sample,two sinter samples with significantly different hematite and magnetite ratios were prepared to compare their reduction *** reduction of wustite to iron was carried out at 1000,900,and 800℃ in a CO-CO_(2)-H2 atmosphere for the mineral morphology-controlled sinter,and the following findings were *** reduction rate of smaller amount of FeO led to faster increase of the reduction rate curve at the initial stage of ***-observations of reduced samples showed that the reaction proceeded from the outer periphery of the sample toward the inside,and a reaction interface was observed where reduced iron and wustite ***-observations revealed three layers,namely,wustite single phase in the center zone of the sample,iron single phase in the outer periphery zone of the sample,and iron oxide-derived wustite FeO and iron,or calcium ferritederived wustite'FeO'and iron in the reaction interface zone.A two-interface unreacted core model was successfully applied for the kinetic analysis of the reduction reaction,and obtained temperature dependent expressions of the chemical reaction coefficients from each mineral phases.

关键词： hydrogen reduction wustite hematite magnetite calcium ferrite two-interface unreacted core model COURSE50

Unsteady Flow Field under Surge and Rotating Stall in a Three-stage Axial Flow Compressor

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Journal of Thermal Science 2011年第1期20卷 6-12页

作者： Takayuki hara Daisuke MORITA Yutaka OHTA Eisuke OUTA Graduate Student Graduate school of Science and EngineeringWaseda University3-4-1 OkuboShinjukuTokyo 169-8555Japan Department of Applied Mechanics and Aerospace Engineering Waseda University3-4-1 OkuboShinjukuTokyo 169-8555Japan

The unsteady flow structure between rotor blade-to-blade passages in a three-stage axial flow compressor is experimentally investigated by detailed measurements of unsteady performance characteristics,casing wall pressure fluctuations and their wavelet *** main feature of the test compressor is a capacity tank facility connected in series to the compressor outlet in order to supply compression and/or expansion waves from downstream of the *** attention is focused on the post-stall characteristics of the surge and rotating stall which occur *** influence of the compressor operating point on the unsteady performance curve shows that the surge cycle changes irregularly depending on the steady-state resistance characteristics,and the results of the wavelet analyses of the wall pressure fluctuations suggest that the surge cycle may selectively be determined by the rotating stall cell structure within the rotor cascade.

关键词： Axial flow compressor Surge Rotating stall Stall cell Wavelet analysis.