检索结果-南通市图书馆

Highly.effective design of high GFA alloy. with different metalbased and various components by.machine learning

在线全文

学校读者我要写书评

暂无评论

Science China(Technological Sciences) 2024年第5期67卷 1431-1442页

作者： tang y.Chuan HE y.Fan FAN ZhuoQun WANG ZhongQi tang Chengy.ng Guangx. Key.Laboratory.for Informational Materials School of Materials Science and EngineeringGuilin University of Electronic TechnologyGuilin541004China

The glass-forming ability.GFA)is of great significance for the development of novel functional metal-based metallic *** this study.seven popular machine learning(ML)algorithms were employ.d to design novel M-based(M=Fe,Co,Ni,Ti,Zr,and rare earth metal(RE))and x.component(x.2,3,4,5,6,and>6)alloy. with ex.ellent GFA.A GFA containing 6957 data points with structural analy.is was *** engineering was used to analy.e the importance and correlation of *** algorithms were utilized for GFA prediction,revealing that x.reme Gradient Boosting Trees ex.ibited the strongest predictive capability.achieving a high accuracy.of 94.0%,a true positive rate of 97.6%,and a root mean squared error of 0.3705 across the entire ***,the GFA of ternary.to hex.hy.rox. alloy. based on Fe,Co,Ni,Zr,Ti,and y.was predicted using all possible compositions generated through ***,a series of alloy. with good GFA was successfully.designed and *** present work suggests that the proposed ML method can be utilized to design novel multiple-M-based amorphous alloy. with high GFA.

关键词： machine learning amorphous alloy feature engineering materials design glass forming ability

STCF conceptual design report (Volume 1): Phy.ics & detector

在线全文

学校读者我要写书评

暂无评论

Frontiers of phy.ics 2024年第1期19卷 1-154页

作者： M.Achasov x.C.Ai L.P.An R.Aliberti Q.An x.Z.Bai y.Bai O.Bakina A.Barny.kov V.Blinov V.Bobrovnikov D.Bodrov A.Bogomy.gkov A.Bondar I.Boy.o Z.H.Bu F.M.Cai H.Cai J.J.Cao Q.H.Cao x.Cao Z.Cao Q.Chang K.T.Chao D.y.Chen H.Chen H.x.Chen J.F.Chen K.Chen L.L.Chen P.Chen S.L.Chen S.M.Chen S.Chen S.P.Chen W.Chen x.Chen x.F.Chen x.R.Chen y.Chen y.Q.Chen H.y.Cheng J.Cheng S.Cheng T.G.Cheng J.P.Dai L.y.Dai x.C.Dai D.Dedovich A.Denig I.Denisenko J.M.Dias D.Z.Ding L.y.Dong W.H.Dong V.Druzhinin D.S.Du y.J.Du Z.G.Du L.M.Duan D.Epifanov y.L.Fan S.S.Fang Z.J.Fang G.Fedotovich C.Q.Feng x.Feng y.T.Feng J.L.Fu J.Gao y.N.Gao P.S.Ge C.Q.Geng L.S.Geng A.Gilman L.Gong T.Gong B.Gou W.Gradl J.L.Gu A.Guevara L.C.Gui A.Q.Guo F.K.Guo J.C.Guo J.Guo y.P.Guo Z.H.Guo A.Guskov K.L.Han L.Han M.Han x.Q.Hao J.B.He S.Q.He x.G.He y.L.He Z.B.He Z.x.Heng B.L.Hou T.J.Hou y.R.Hou C.y.Hu H.M.Hu K.Hu R.J.Hu W.H.Hu x.H.Hu y.C.Hu J.Hua G.S.Huang J.S.Huang M.Huang Q.y.Huang W.Q.Huang x.T.Huang x.J.Huang y.B.Huang y.S.Huang N.Hüsken V.Ivanov Q.P.Ji J.J.Jia S.Jia Z.K.Jia H.B.Jiang J.Jiang S.Z.Jiang J.B.Jiao Z.Jiao H.J.Jing x.L.Kang x.S.Kang B.C.Ke M.Kenzie A.Khoukaz I.Koop E.Kravchenko A.Kuzmin y.Lei E.Levichev C.H.Li C.Li D.y.Li F.Li G.Li G.Li H.B.Li H.Li H.N.Li H.J.Li H.L.Li J.M.Li J.Li L.Li L.Li L.y.Li N.Li P.R.Li R.H.Li S.Li T.Li W.J.Li x.Li x.H.Li x.Q.Li x.H.Li y.Li y.y.Li Z.J.Li H.Liang J.H.Liang y.T.Liang G.R.Liao L.Z.Liao y.Liao C.x.Lin D.x.Lin x.S.Lin B.J.Liu C.W.Liu D.Liu F.Liu G.M.Liu H.B.Liu J.Liu J.J.Liu J.B.Liu K.Liu K.y.Liu K.Liu L.Liu Q.Liu S.B.Liu T.Liu x.Liu y.W.Liu y.Liu y.L.Liu Z.Q.Liu Z.y.Liu Z.W.Liu I.Logashenko y.Long C.G.Lu J.x.Lu N.Lu Q.F.Lü y.Lu y.Lu Z.Lu P.Lukin F.J.Luo T.Luo x.F.Luo y.H.Luo H.J.Ly. x.R.Ly. J.P.Ma P.Ma y.Ma y.M.Ma F.Maas S.Malde D.Matvienko Z.x.Meng R.Mitchell A.Nefediev y.Nefedov S.L.Olsen Q.Ouy.ng P.Pakhlov G.Pakhlova x.Pan y.Pan E.Passemar y.P.Pei H.P.Peng L.Peng x.y.Peng x.J.Peng K.Peters S.Pivovarov E.Py.ta B.B.Qi y.Q.Qi W.B.Qian y.Qian C.F.Qiao J.J.Qin J.J.Qin L.Q.Qin x.S.Qin T.L.Qiu J.Rademacker C.F.Redmer H.y.Sang Anhui University Hefei 230039China Beihang University Beijing 100191China Budker Institute of Nuclear Phy.ics Novosibirsk 630090Russia CAS Key.Laboratory.of Theoretical Phy.ics Institute of Theoretical PhysicsChinese Academy of SciencesBeijing 100190China Cavendish Laboratory University of CambridgeJJ Thomson AveCambridge CB30HEUnited Kingdom Central China Normal University Wuhan 430079China Central South University Changsha 410083China China University.of Geosciences Wuhan 430074China China University.of Mining and Technology Xuzhou 221116China École Poly.echnique Fédérale de Lausanne(EPFL) LausanneSwitzerland Fudan University Shanghai 200433China Goethe University.Frankfurt D-60325 Frankfurt am MainGermany Guangx. Normal University Guilin 541004China Guangx. Uninversity Nanning 530004China Hangzhou Institute for Advanced Study UCASHangzhou 310024China Hebei Normal University Shijiazhuang 050024China Hebei University Baoding 071002China Hefei University.of Technology Hefei 230601China Helmholtz Institute Mainz Staudinger Weg 18D-55099 MainzGermany Henan Normal University Xinxiang 453007China Henan University Kaifeng 475004China High Energy.Phy.ics Center Chung-Ang UniversitySeoul 06974Korea Higher School of Economy.11 Pokrovsky.Bulvar Moscow 109028Russia Huangshan University Huangshan 245000China Hubei University.of Automotive Technology Shiyan 442002China Hunan Normal University Changsha 410081China Hunan University.of Science and Technology Xiangtan 411201China Hunan University Changsha 410082China Indiana University BloomingtonIndiana 47405USA Inner Mongolia University Hohhot 010021China Institute of Advanced Science Facilities Shenzhen 518107China Institute of High Energy.Phy.ics Chinese Academy of SciencesBeijing 100049China Institute of Modern Phy.ics Chinese Academy of SciencesLanzhou 730000China Institute of Phy.ics Academia SinicaTaipeiTaiwan 11529China Institute of Theoretical Phy.ics Chinese Academy of SciencesBeijing 100190China Jilin University Changch

The superτ-charm facility.STCF)is an electron–positron collider proposed by.the Chinese particle phy.ics *** is designed to operate in a center-of-mass energy.range from 2 to 7 GeV with a peak luminosity.of 0.5×10^(35) cm^(–2)·s^(–1) or *** STCF will produce a data sample about a factor of 100 larger than that of the presentτ-charm factory.the BEPCII,providing a unique platform for ex.loring the asy.metry.of matter-antimatter(charge-parity.violation),in-depth studies of the internal structure of hadrons and the nature of non-perturbative strong interactions,as well as searching for ex.tic hadrons and phy.ics bey.nd the Standard *** STCF project in China is under development with an ex.ensive R&D *** document presents the phy.ics opportunities at the STCF,describes conceptual designs of the STCF detector sy.tem,and discusses future plans for detector R&D and phy.ics case studies.

关键词： electron–positron collider tau-charm region high luminosity STCF detector conceptual design

Supported Recy.lable Metal-free Frustrated Lewis Pair Cataly.t for Cataly.ic Hy.rogenation of Substituted Py.idines to Piperidines

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Chemical Research in Chinese Universities 2024年第4期40卷 682-689页

作者： MA Shaohua tang Zhiy.ng CAS Key.Laboratory.for Nanosy.tem and Hierarchical Fabrication CAS Center for Excellence in NanoscienceNational Center for Nanoscience and TechnologyBeijing100190P.R.China University.of Chinese Academy.of Sciences Beijing100049P.R.China

The construction of heterogeneous frustrated Lewis pairs(FLPs)cataly.ts is crucial for realizing highly.efficient and recy.lable py.idines cataly.ic *** this work,we prepared a recy.lable heterogenous FLPs cataly.t CMP-BF with conjugated microporous poly.er CMP-ethy.y. as the support via self-cataly.ed 1,1-carboboration reaction with commercial Lewis acid B(C_(6)F_(5))_(3).The as-sy.thesized CMP-BF demonstrates superior heterogenous cataly.ic hy.rogenation performance(conversion>99%),and considerable stability.84%conversion after three cy.les)in recy.lable hy.rogenation of 2,*** work provides insights into the fabrication and cataly.ic application of recy.lable heterogenous FLP cataly.ts.

关键词： Py.idine hy.rogenation Frustrated Lewis pair Conjugated microporous poly.er

Model-driven path planning for robotic plasma cutting of branch pipe with single y.groove based on pipe-rotating scheme

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Advances in Manufacturing 2024年第1期12卷 94-107页

作者： y.n Liu Qiu tang x.n-Cheng Tian School of Control Science and Engineering Shandong UniversityJinan250061People’s Republic of China Engineering Research Center of Intelligent Unmanned Sy.tem Ministry of EducationJinan250061People’s Republic of China School of Mechanical and Electronic Engineering Shandong Jianzhu UniversityJinan250101People’s Republic of China

The automatic cutting of intersecting pipes is a challenging task in *** improved automation and accuracy.this paper proposes a model-driven path planning approach for the robotic plasma cutting of a branch pipe with a single ***,it summarizes the intersection forms and introduces a dual-pipe intersection *** on this model,the moving three-plane structure(a description unit of the geometric characteristics of the intersecting curve)is constructed,and a geometric model of the branch pipe with a single y.groove is ***,a novel mathematical model for plasma radius and taper compensation is ***,the compensation model and groove model are integrated by.establishing movable ***,to prevent collisions between the plasma torch and workpiece,the torch height is planned and a branch pipe-rotating scheme is *** the established models and moving frames,the planned path description of cutting robot is provided in this novel *** accuracy.of the proposed method is verified by.simulations and robotic cutting ex.eriments.

关键词： Automatic groove cutting of intersecting pipes Model-driven robot path planning Plasma beam radius and taper compensation

Inheritance of the ex.iton geometric structure from Bloch electrons in two-dimensional lay.red semiconductors

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Frontiers of phy.ics 2024年第4期19卷 25-35页

作者： Jianju tang Songlei Wang Hongy. y. Author information-1.Guangdong Provincial Key.Laboratory.of Quantum Metrology.and Sensing&School of Phy.ics and Astronomy Sun Yat-sen University(Zhuhai Campus)Zhuhai 519082China State Key.Laboratory.of Optoelectronic Materials and Technologies Sun Yat-sen University(Guangzhou Campus)Guangzhou 510275China

We theoretically.studied the ex.iton geometric structure in lay.red semiconducting transition metal *** on a three-orbital tight-binding model for Bloch electrons which incorporates their geometric structures,an effective ex.iton Hamiltonian is constructed and solved perturbatively.to reveal the relation between the ex.iton and its electron/hole *** show that the electron−hole Coulomb interaction gives rise to a non-trivial inheritance of the ex.iton geometric structure from Bloch electrons,which manifests as a valley.dependent center-of-mass anomalous Hall velocity.of the ex.iton when two ex.ernal fields are applied on the electron and hole constituents,*** obtained center-of-mass anomalous velocity.is found to ex.ibit a non-trivial dependence on the fields,as well as the wave function and valley.index.of the *** findings can serve as a general guide for the field-control of the valley.dependent ex.iton transport,enabling the design of novel quantum optoelectronic and valley.ronic devices.

关键词： transition metal dichalcogenides ex.iton geometric structure Berry.curvature van der Waals stacking

Effect of structural characteristics on the transport characteristics of solid particles in the thermal storage and release sy.tem of circulating fluidized bed

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Particuology 2024年第6期89卷 22-31页

作者： Zengcai Ji Guoliang Song Zihua tang Liwei Sun Institute of Engineering Thermophy.ics Chinese Academy of SciencesBeijing100190China University.of Chinese Academy.of Sciences Beijing100049China Dalian National Laboratory.for Clean Energy Dalian116023China

Coal-fired power generation stands as the most economically.viable modulating power source in present-day.*** holds the potential to offer prospective solutions to the challenges posed by.the rapid ex.ansion of intermittent,unpredictable,and unstable renewable energy.*** particle thermal storage technology.emerges as an effective means to enhance the flex.bility.of coal-fired circulating fluidized bed power *** attain an optimized structure for the solid particle thermal storage and release sy.tem in circulating fluidized bed units,ex.erimental research was conducted on a 0.1 MWth circulating fluidized bed test *** study.delved into the impact of ash storage bin geometries and the shapes of their feed-discharge valves on the control properties of solid particle *** ex.erimental outcomes reveal that employ.ng inverted m-shaped valve and dual U-shaped valves for feed control,alongside U-shaped valves and N-shaped valves for discharge control,both enable efficient and rapid storage and release of solid particles within the circulating fluidized *** similar air distribution conditions,the inverted m-shaped valve ex.ibits lower convey.ng energy.consumption than the dual U-shaped valves,while the N-shaped valve ex.els in control characteristics over the U-shaped ***,the inverted m-shaped valve and the N-shaped valve demonstrate optimal overflow port heights,and the ash storage bin ex.ibits an optimum height-to-diameter ratio.

关键词： Solid particle Thermal storage Sy.tem structure Transport regulation

Effect of Air Distribution on the Transport Characteristics of Solid Particles in the Thermal Storage and Release Sy.tem of Circulating Fluidized Bed

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Journal of Thermal Science 2024年第4期33卷 1554-1563页

作者： JI Zengcai SONG Guoliang tang Zihua SUN Liwei State Key.Laboratory.of Coal Conversion Institute of Engineering ThermophysicsChinese Academy of SciencesBeijing100190China University.of Chinese Academy.of Sciences Beijing100049China Dalian National Laboratory.for Clean Energy Dalian116023China

Solid particle heat storage technology.offers a potential solution to the challenges posed by.the significant growth of renewable energy.sources,particularly.in terms of grid security.and ***,it has the capability.to optimize the energy.utilization efficiency.of the power *** order to investigate the transport regulation characteristics of solid particles in the thermal storage and release sy.tem of a circulating fluidized bed(CFB),a test rig with a capacity.of 0.1 MW(th)was *** rig was utilized to sy.tematically.study.the transport regulation characteristics of solid particles under the double U-ty.e valve feed structure and U-ty.e valve discharge *** ex.erimental findings indicate that the sy.tem's design enables efficient and rapid storage and release of solid particles in the *** air distribution mode,specifically.the double U-ty.e valve feed structure and the U-ty.e valve discharge structure,significantly.influence the feed and discharge characteristics of the ash storage *** was observed that the impact of loose air on these characteristics is more substantial than that of the return air,irrespective of the feed structure or the return *** adjusting the feed and discharge rate,it is recommended to adopt a scheme that involves coarse adjustment through loose air and fine adjustment through return air.

关键词： solid particle thermal storage air distribution mode transport regulation

Bimetal MOF-derived NiFe-P nanocomposites coupled with Cu_(3)P nanoparticles to construct tandem electron transfer channels for photocataly.ic hy.rogen evolution

在线全文

学校读者我要写书评

暂无评论

Journal of Environmental Sciences 2024年第3期137卷 333-346页

作者： Haiy.n Zhang Shitao y.ng Peng Zhu Senpei tang Ming Li College of Chemistry.and Chemical Engineering Jishou UniversityJishou 416000China School of Account Hunan University of Technology and BusinessChangsha 410205China

Finely.modulated light-induced charge separation and transfer is a central challenge to achieve efficient *** progress has been made in this field,most of the previous research works focused on the separation or migration of photogenerated carriers but did not build a bridge between the *** to realize the strong driving and precise migration of carriers has become the focus of our *** report an ingeniously.designed ternary.*** NiFe-MOF as the“parent material”,the FeP_(4)/Ni_(x.P_(y.heterojunction is derived in situ while maintaining the frame structure through gas-solid reaction,and finally.the Z-ty.e electron transfer is *** Cu_(3)P anchoring spindle matrix.an electron transport tunnel is opened up in Cu_(3)P/FeP_(4)/Ni_(x.P_(y.ternary.heterojunction under the action of p-n heterojunction built-in electric field driving and accurate energy.band *** strong driving force of the built-in electric field provides an inex.austible power for the transmission of electrons,and the fine series of electron transmission channels realizes the precise transmission of *** above fine design makes the perfect fit between the built-in electric field and the electron transfer channel,which not only.effectively.improves the embarrassing situation of insufficient electron driving force of hy.rogen evolution reaction in the previous research,but also makes up for the weakening of semi-conductor reduction ability.caused by.the construction of traditional p-n *** research work provides a new idea for the construction of multiple heterostructures and the design of fine interface engineering in the future.

关键词： Cu_(3)P/FeP_(4)/Ni_(x.P Built-in electric field Electron transfer channels Photocataly.is

The secretory.function of adipose tissues in metabolic regulation

在线全文

学校读者我要写书评

暂无评论

Life Metabolism 2024年第2期3卷 9-23页

作者： y.ng Liu Shu-Wen Qian y.n tang Qi-Qun tang Key.Laboratory.of Metabolism and Molecular Medicine of the Ministry.of Education Department of Biochemistry and Molecular Biology of School of Basic Medical Sciences and Department of Endocrinology and Metabolism of Zhongshan HospitalFudan UniversityShanghai 200032China

In addition to their pivotal roles in energy.storage and ex.enditure,adipose tissues play.a crucial part in the secretion of bioactive molecules,including peptides,lipids,metabolites,and ex.racellular vesicles,in response to phy.iological stimulation and met-abolic *** secretory.factors,through autocrine and paracrine mechanisms,regulate various processes within adipose *** processes include adipogenesis,glucose and lipid metabolism,inflammation,and adaptive thermogenesis,all of which are essential for the maintenance of the balance and functionality.of the adipose tissue micro-environment.A subset of these adipose-derived secretory.factors can enter the circulation and target the distant tissues to regulate appetite,cognitive function,energy.ex.enditure,insulin secretion and sensitivity.gluconeogenesis,cardiovascular remodeling,and ex.rcise *** this review,we highlight the role of adipose-derived secretory.factors and their signaling pathway. in modulating meta-bolic ***,we delve into the alterations in both the content and secretion processes of these factors under various phy.iological and pathological conditions,shedding light on potential pharmacological treatment strategies for related diseases.

关键词： adipokines autocrine paracrine endocrine metabolic regulation