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m.lti-layer hierarchical cellulose nanofibers/carbon nanotubes/vinasse activated carbon com.osite m.terials for supercapacitors and electrom.gnetic interference shielding

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Nano Research 2024年第3期17卷 904-912页

作者： Tianxu Wang Chuanyin xiong Yongkang Zhang Bo Wang Qing xiong m.ngjie Zhao Yonghao Ni College of Bioresources Chem.cal&m.terials Engineering Shaanxi University of Science and TechnologyXi’an 710021China Departm.nt of Chem.cal and biom.dical Engineering The University of MaineOronoME 04469USA University of New Brunswick Limerick Pulp&Paper CtrFrederictonNB E3B 5A3Canada

Developing porous self-supporting electrodes with excellent conductivity,good m.chanical properties,and high electrochem.cal activity is crucial for constructing electrode m.terials with lightweight,ultra-thin,flexible,and high capacitance *** this work,we prepared a cellulose nanofibers(CNFs)/carbon nanotubes(CNTs)/vinasse activated carbon(VAC)(CCV)com.osite m.terial with a m.lti-layer hierarchical conductive structure through sim.le vacuum.filtration and *** this com.osite m.terial,the self-assem.ly of CNF provides the m.in skeleton structure of a m.lti-layer hierarchical *** provides a fast path for the rapid transfer of electrons and is beneficial for the loss of electrom.gnetic *** provides sufficient double layer *** synergistic effect of the above three endows CCV com.osite m.terials with excellent energy storage perform.nce and electrom.gnetic interference(Em.)shielding *** addition,we endowed the CCV com.osite with a certain shape and perform.nce by introducing a vitrim.r polym.r with a dynam.c cross-linked network *** sum.ary,thanks to the synergistic effect of various com.onents in the m.lti-layer hierarchical structure,CCV com.osite m.terials exhibit excellent integration perform.nce,especially stable energy storage perform.nce and Em. shielding *** significant properties m.ke CCV com.osite m.terials have great application prospects in the fields of energy storage and intelligent Em. shielding.

关键词： self-supporting electrodes m.lti-layer hierarchical structure supercapacitors electrom.gnetic interference shielding

Probing the interseism.c locking state of the Xianshuihe fault based on a viscoelastic deform.tion m.del

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Science China Earth Sciences 2024年第1期67卷 134-145页

作者： Yage ZHU Faqi DIAO Fei CHEN Yuebing WANG Zhigang SHAO Rongjiang WANG xiong xiong Hubei Subsurface m.lti-Scale Im.ging Key Laboratory School of Geophysics and GeomaticsChina University of GeosciencesWuhan 430074China China Earthquake Networks Center Beijing 100045China Institute of Earthquake Forecasting China Earthquake AdministrationBeijing 100036China

The interseism.c locking state of tectonic faults is essential for regional seism.c hazard ***,it is challenging to obtain this param.ter reliably due to the weak deform.tion and com.lex m.del *** better probe the fault locking state,m.re reliable physical m.dels and well-covered observations are *** we investigate the locking state of the Xianshuihe fault based on a new-developed viscoelastic deform.tion ***,we com.ine GPS velocities from.13 new near-field stations and existing stations in this region to im.rove the spatial *** to the theoretical predictions,our results indicate that the elastic m.del will clearly overestim.te the fault locking depth and seism.c m.m.nt accum.lation rate,and the fault slip rate inferred from.the elastic m.del is slightly lower than that from.the viscoelastic *** on the locking distribution inferred from.the viscoelastic m.del,we identify four potential asperities on the Xianshuihe *** im.ortantly,we find a clear spatial correlation between the fault locking distribution and the rupture extent of historical earthquakes,which indicates that the fault locking state m.y control the rupture extent and thus the m.gnitude of *** addition,our results show that the 2022 m..8 Luding earthquake only ruptured the south part of a potential asperity,and the accum.lated energy in the northern unruptured area is equivalent to an m.6.9 earthquake,where the seism.c hazard deserves special attention.

关键词： Fault kinem.tics Viscoelastic relaxation effect GPS observations Seism.c hazard The 2022 m..8 Luding earthquake

Source m.del of the 2018 m.(w)7.5 Papua New Guinea earthquake constrained by InSAR m.asurem.nts: Insight into a blind rupture beneath the New Guinea Highlands

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Geodesy and Geodynam.cs 2024年第4期15卷 315-325页

作者： Wei Chen Tianchen Sheng Wei xiong Key Laboratory of Earthquake Geodesy Institute of SeismologyChina Earthquake AdministrationWuhan 430071China Qinghai Provincial Basic Surveying and m.pping Institute Xining 810001China School of Geodesy and Geom.tics Wuhan UniversityWuhan 430079China

The Southern Highland Fold and Thrust Belt(SHFTB),the boundary of the Australian plate and the New Guinea Highland block,significantly contributes to the convergent deform.tion along the plate ***,due to the lack of observation data,the detailed slip pattern of the SHFTB and the orogenic m.chanism.beneath the New Guinea Highlands rem.ins *** 25 February 2018,the m.(w)7.5 Papua New Guinea(PNG)earthquake struck the southeastern segm.nt of the *** detailed rupture characteristics of this event is significant for further clarifying the inter-seism.c slip pattern along the ***,the coseism.c deform.tion field of this earthquake was obtained using high-resolution ALOS-2 satellite *** find that the 2018 m.(w)7.5 PNG earthquake ruptured a large-scaled fault(SHFTB)extending to the lower crust(deeper than 20 km.beneath the New Guinea Highlands,with a dip angle of 24°.The slips on the fault plane are equivalent to m.m.nt m.gnitudes of m.(w)*** m.jor asperities with thrust-dom.nated slip of up to 3.94 m.are detected on the fault *** finding im.lies that the slip pattern on the eastern segm.nt of the SHFTB is dom.nated by thrust,rather than with significant sinistral m.vem.nt,as previously *** tectonic deform.tion across the New Guinea Highlands is possibly concentrated on the large-scale fault SHFTB and prim.rily controls the intra-continental orogeny in the central Papua New Guinea.

关键词： 2018m.(w)7.5PapuaNewGuineaearthquake The Southern Highlands Fold-and-Thrust Belt InSAR Slipdistribution Seism.crisk

Genetic regulation of m.(6)A RNA m.thylation and its contribution in hum.n com.lex diseases

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Science China(Life Sciences) 2024年第8期67卷 1591-1600页

作者： Kexuan Chen Jiuhong Nan Xushen xiong The Second Affiliated Hospital&Liangzhu Laboratory Zhejiang University School of MedicineHangzhou 311121China State Key Laboratory of Transvascular Im.lantation Devices The Second Affiliated HospitalZhejiang University School of MedicineHangzhou 311121China

N6-m.thyladenosine(m.(6)A)has been established as the m.st prevalent chem.cal m.dification in m.ssage RNA(m.NA),playing an essential role in determ.ning the fate of RNA *** of m.(6)A has been revealed to lead to abnorm.l physiological conditions and cause various types of hum.n *** studies have delineated the genetic regulatory m.ps for m.(6)A m.thylation by m.pping the quantitative trait loci of m.(6)A(m.(6)A-QTLs),thereby building up the regulatory circuits linking genetic variants,m.(6)A,and hum.n com.lex ***,we review the recent discoveries concerning the genetic regulatory m.ps of m.(6)A,describing the m.thodological and technical details of m.(6)A-QTL identification,and introducing the key findings of the cis-and trans-acting drivers of m.(6)*** further delve into the tissue-and ethnicity-specificity of m.(6)A-QTL,the association with other m.lecular phenotypes in light of genetic regulation,the regulators underlying m.(6)A genetics,and im.ortantly,the functional roles of m.(6)A in m.diating hum.n com.lex ***,we discuss potential research avenues that can accelerate the translation of m.(6)A genetics studies toward the developm.nt of therapies for hum.n genetic diseases.

关键词： m.(6)A disease genetics m.(6)A-QTL GWAS

Dynam.cs of holographic im.ges of scalar-tensor-vector gravity-AdS black holes

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Chinese Physics C 2024年第9期48卷 274-290页

作者： Xin-Yun Hu m.Israr Aslam.Rabia Saleem.Xiao-xiong Zeng College of Econom.c and m.nagem.nt Chongqing Jiaotong UniversityChongqing 400074China Departm.nt of m.them.tics COMSATS University IslamabadLahore-CampusLahore 54000 Pakistan State Key Laboratory of m.untain Bridge and Tunnel Engineering Chongqing Jiaotong UniversityChongqing 400074China Departm.nt of m.chanics Chongqing Jiaotong UniversityChongqing 400074China

Using AdS/CFT correspondence,we analyze the holographic Einstein im.ges via the response function of the com.lex scalar field as a probe wave on an AdS Schwarzschild scalar-tensor-vector gravity(STVG)black hole(BH).We find that the am.litude of the response function||decreases with increasing values of coupling param.ter a and increases with decreasing tem.erature *** frequencyωof the wave source also plays a significant role in wave periods;as we increase the values ofω,the periods of waves decrease,indicating that the total response function closely depends on the wave ***,we investigate the optical appearance of the holographic im.ges of the BH in *** found that the holographic ring always appears with surrounding concentric stripes when the observer is located at the north pole,and an extrem.ly bright ring appears when the observer is at the position of the photon sphere of the *** ring changes into a lum.nosity-deform.d ring or a bright light spot as the observational angle *** corresponding brightness profiles show that the lum.nosity of the ring decreases and the shadow radius increases with increasing values of *** relation between tem.erature T and the inverse of the horizonh_e is discussed;T is sm.ll at the beginning of the horizon he and then increases as the horizon radius *** effect can be used to distinguish the STVG BH solution from.other BH ***,these significant features are also reflected in the Einstein ring and corresponding brightness *** addition,we com.are the results obtained by wave optics and geom.tric optics,which align well,im.lying that the holographic schem. adopted in this study is valid.

关键词： scalar-tensor-vector gravity shadows AdS/CFT correspondence

CFD investigation of structural effects of internal gas intake on powder conveying perform.nce in fuel supply system. for aerospace engines

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Particuology 2024年第9期92卷 140-154页

作者： Guanlong Ren Haijun Sun Fangjun Chen Wen Shen Yunzhen Cai Yihua Xu Henrik Ström.Bilainu Oboirien Qingang xiong School of Aircraft Engineering Nanchang Hangkong UniversityNanchang330063China Engineering Research Center of Aero-engine Technology for General Aviation Ministry of EducationNanchang330063China State Key Laboratory of Pulp and Paper Engineering South China University of TechnologyGuangzhou510640China Departm.nt of m.chanics and m.ritim. Sciences Chalmers University of TechnologyGöteborg41296Sweden Departm.nt of Chem.cal Engineering University of JohannesburgJohannesburg17011South Africa

Optim.l design of gas intake in powder fuel supply system. is crucial for perform.nce of aerospace *** is little research on the im.act of intake structure on powder conveying *** novel internal intakes were proposed,which are spherical,cube-shaped,and *** validation,CFD sim.lations dem.nstrate that fluctuation of m.ss flow rate of powders in the dom.-shaped intake is reduced by about 73.3%com.ared with the annular external *** trends of phase velocities are sim.lar for the spherical and cube-shaped intakes,while those are sim.lar for the annular external and dom.-shaped internal *** of area of gas zone for the annular external and spherical internal intakes is larger than that for the cube-shaped and dom.-shaped internal *** and relative pressure drop in the fluidization cham.er have a stable stage,and fluctuation of relative pressure drop is sm.ll when dom.-shaped internal intake is used.

关键词： Powder supply system Intake structure Dense gas-solid flow Two-fluid m.del Powder fluidization Pressure drop

m.senchym.l stem.cell-derived extracellular vesicles as a cell-free therapy for traum.tic brain injury via neuroprotection and neurorestoration

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Neural Regeneration Research 2024年第1期19卷 49-54页

作者： Ye xiong Asim.m.hm.od m.chael Chopp Departm.nt of Neurosurgery Henry Ford HospitalDetroitMIUSA Departm.nt of Neurology Henry Ford HospitalDetroitMIUSA Departm.nt of Physics Oakland UniversityRochesterMIUSA

Traum.tic brain injury is a serious and com.lex neurological condition that affects m.llions of people *** significant advancem.nts in the field of m.dicine,effective treatm.nts for traum.tic brain injury rem.in ***,extracellular vesicles released from.m.senchym.l stem.strom.l cells have em.rged as a prom.sing novel therapy for traum.tic brain *** vesicles are sm.ll m.m.rane-bound vesicles that are naturally released by cells,including those in the brain,and can be engineered to contain therapeutic cargo,such as anti-inflam.atory m.lecules,growth factors,and *** adm.nistered intravenously,extra cellular vesicles can cross the blood-brain barrier and deliver their cargos to the site of injury,where they can be taken up by recipient cells and m.dulate the inflam.atory response,prom.te neuroregeneration,and im.rove functional *** preclinical studies,extracellular vesicle-based therapies have shown prom.sing results in prom.ting recove ry after traum.tic brain injury,including reducing neuronal dam.ge,im.roving cognitive function,and enhancing m.tor *** further research is needed to establish the safety and efficacy of extra cellular vesicle-based therapies in hum.ns,extra cellular vesicles represent a prom.sing novel approach for the treatm.nt of traum.tic brain *** this review,we sum.arize m.senchym.l ste m.strom.l cell-de rived extracellular vesicles as a cell-free therapy for traum.tic brain injury via neuroprotection and neurorestoration and brainderived extracellular vesicles as potential biofluid biom.rkers in sm.ll and large anim.l m.dels of traum.tic brain injury.

关键词： biom.rkers extracellular vesicles functional outcom. m.senchym.l stem.strom.l cells neuroinflam.ation neuroplasticity neuroprotection traum.tic brain injury

Copper(I) Cluster of Aggregation-Induced Em.ssion and X-Ray Scintillator Characteristic

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CHEm.CAL RESEARCH IN CHINESE UNIVERSITIES 2024年第5期40卷 887-893页

作者： xiong, Jiayu Wu, m.njian Yao, Liao-Yuan Beijing Inst Technol Sch Chem & Chem Engn Beijing Key Lab Photoelect Electrophoton Convers M MOE Key Lab Cluster Sci Beijing Peoples R China Beijing Inst Technol Tangshan Res Inst Tangshan 063000 Peoples R China

Due to their precise atom.c structures, photolum.nescent copper nanoclusters (Cu NCs) have prom.sing applications in basic research and technical applications, such as bioim.ging, cell labeling, phototherapy, and photoactivation catalysis. In this work, we report a sim.le strategy for synthesizing novel CuNCs co-protected by alkynyl and phosphine ligands with the m.lecular form.la [Cu7(PPh3)10(PE)3(CH3O)] (Cu4@Cu3). Single-crystal X-ray crystallography reveals that the NC core exhibits an open square structure and an overall pyram.d shape. Two Cu4@Cu3 units are connected through weak interactions to form.dim.rs in crystals, creating a m.lecular cage that looks like two tightly closed bowls. Cu4@Cu3 exhibits dual em.ssion in the visible region. It is also an aggregation-induced em.ssion (AIE)-active lum.nescent substance, which exhibits strong em.ssion in the visible light region when aggregated. Besides, it has the properties of radiolum.nescent (RL) and could be a potential scintillator m.terial. This study not only enriches the types of atom.cally accurate AIE clusters, but also holds significant im.ortance for the developm.nt of a new generation of high-perform.nce and environm.ntally friendly X-ray scintillators.

关键词： Copper nanocluster Aggregation-induced em.ssion X-Ray scintillator AIE

A Learning-based Control Fram.work for Fast and Accurate m.nipulation of a Flexible Object

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Journal of Bionic Engineering 2024年第4期21卷 1761-1774页

作者： Junyi Wang Xiaofeng xiong Silvia Tolu Stanislav N.Gorb Departm.nt of Electrical and Photonics Engineering Technical University of DenmarkAnker Engelunds Vej 101Kongens LyngbyZealand2800Denmark SDU Biorobotics Mærsk Mc-Kinney Møller InstituteUniversity of Southern Denmark(SDU)Campusvej 55Odense MFunen5230Denmark Departm.nt Functional m.rphology and Biom.chanics Zoological InstituteUniversity of KielAm Botanischen Garten 1–9D-24118KielSchleswig-HolsteinGermany

This paper presents a learning-based control fram.work for fast(3 tim.s of others).Besides,m.tion tracking errors are greatly reduced to 13.29 and 22.36 of constant im.edance control by the OIAC of the proposed *** ad... 详细信息

This paper presents a learning-based control fram.work for fast(m.nipulation of a flexible object,i.e.,whip *** fram.work consists of a m.tion planner learned or optim.zed by an algorithm.Online Im.edance Adaptation Control(OIAC),a sim.real m.chanism.and a visual feedback *** experim.ntal results show that a soft actor-critic algorithm.outperform. three Deep Reinforcem.nt Learning(DRL),a nonlinear optim.zation,and a genetic algorithm.in learning generalization of m.tion *** can greatly reduce average learning trials(tom.xim.ze average rewards(to>3 tim.s of others).Besides,m.tion tracking errors are greatly reduced to 13.29 and 22.36 of constant im.edance control by the OIAC of the proposed *** addition,the trajectory sim.larity between sim.lated and physical whips is *** presented fram.work provides a new m.thod integrating data-driven and physics-based algorithm. for controlling fast and accurate arm.m.nipulation of a flexible object.

关键词： Deep reinforcem.nt learning Deform.ble object m.nipulation Variable im.edance control Sim.real Visual tracking