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Journal of.Modern Power Systems and Clean Energy 2024年第4期12卷 1217-1226页

作者： Zif.ng Zhang Yuntao ju State Grid Inf.rmation&Telecommunication Group Co. Ltd.Beijing BranchBejingChina School of.Electrical and Control Engineering North China University of TechnologyBeijingChina

Networked microgrids(NMGs)are critical in theaccommodation of.distributed renewable ***,theexisting centralized state estimation(SE)cannot meet the demandsof.NMGs in distributed energy *** currentestimator is also not robust against bad *** study introducesthe concepts of.relative error to construct an improvedrobust SE(IRSE)optimization model with mixed-integer nonlinearprogramming(MINLP)that overcomes the disadvantage of.naccurate results derived f.om dif.erent measurements whenthe same tolerance range is considered in the robust SE(RSE).To improve the computation ef.iciency of.the IRSE optimizationmodel,the number of.binary variables is reduced based on theprojection statistics and normalized residual methods,which ef.ectivelyavoid the problem of.slow convergence or divergenceof.the algorithm caused by too many integer ***,an embedded consensus alternating direction of.multiplier method(ADMM)distribution algorithm based on outer approximation(OA)is proposed to solve the IRSE optimization *** algorithm can accurately detect bad data and obtain SE resultsthat communicate only the boundary coupling inf.rmationwith *** tests show that the proposed algorithmef.ectively detects bad data,obtains more accurate SE results,and ensures the protection of.private inf.rmation in all microgrids.

关键词： Distributed optimization alternating direction of.multiplier methods(ADMM) robust state estimation(RSE) mixed-integer nonlinear programming(MINLP) networked microgrid(NMG)

Markovian Quadratic BSDEs with an Unbounded Sub-quadratic Growth

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Chinese Annals of.Mathematics,Series B 2024年第3期45卷 441-462页

作者： Jingnan ju Shanjian TANG Shanghai Center f.r Mathematical Sciences Fudan UniversityShanghai 200433China Department of.f.nance and Control Sciences School of Mathematical SciencesFudan UniversityShanghai 200433China

This paper is devoted to the solvability of.Markovian quadratic backward stochastic dif.erential equations(BSDEs f.r short)with bounded terminal *** generator is allowed to have an unbounded sub-quadratic growth in the second unknown variable *** existence and uniqueness results are given to these *** an application,an existence result is given to a system of.coupled f.rward-backward stochastic dif.erential equations with measurable coef.icients.

关键词： Markovian BSDE Quadratic growth Unbounded sub-quadratic term coef.cients Coupled f.SDE

The combined application of.stem cells and three-dimensional bioprinting scaf.olds f.r the repair of.spinal cord injury

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Neural Regeneration Research 2024年第8期19卷 1751-1758页

作者： Dingyue ju Chuanming Dong Department of.Anatomy Medical College of Nantong UniversityNantongJiangsu ProvinceChina Key Laboratory of.Neuroregeneration of.Jiangsu and Ministry of.Education Co-innovation Center of NeuroregenerationNantong UniversityNantongJiangsu ProvinceChina

Spinal cord injury is considered one of.the most dif.icult injuries to repair and has one of.the worst prognoses f.r injuries to the nervous *** surgery,the poor regenerative capacity of.nerve cells and the generation of.new scars can make it very dif.icult f.r the impaired nervous system to restore its neural *** treatments can only alleviate secondary injuries but cannot f.ndamentally repair the spinal ***,there is a critical need to develop new treatments to promote f.nctional repair af.er spinal cord *** recent years,there have been seve ral developments in the use of.stem cell therapy f.r the treatment of.spinal cord *** signif.cant developments in the f.eld of.tissue engineering,three-dimensional bioprinting technology has become a hot research topic due to its ability to accurately print complex *** led to the loading of.three-dimensional bioprinting scaf.olds which provided precise cell *** three-dimensional bioprinting scaf.olds co uld repair damaged neural circuits and had the potential to repair the damaged spinal *** this review,we discuss the mechanisms underlying simple stem cell therapy,the application of.dif.erent types of.stem cells f.r the treatment of.spinal cord injury,and the dif.erent manuf. cturing methods f.r three-dimensional bioprinting *** particular,we f.cus on the development of.three-dimensional bioprinting scaf.olds f.r the treatment of.spinal cord injury.

关键词： biomaterials embryonic stem cells induced pluripotent stem cells mesenchymal stem cells nerve regeneration spinal cord injury stem cell therapy stem cells three-dimensional bioprinting

Novel f.brication techniques f.r ultra-thin silicon based f.exible electronics

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International Journal of.Extreme Manuf.cturing 2024年第4期6卷 116-149页

作者： ju Young Lee Jeong Eun ju Chanwoo Lee Sang Min Won Ki jun Yu School of.Electrical and Electronic Engineering Yonsei University50 Yonsei-roSeodaemunguSeoul 03722Republic of Korea Department of.Electrical and Computer Engineering Sungkyunkwan UniversitySuwon 16419Republic of Korea YU-Korea Institute of.Science and Technology(KIST)Institute Yonsei University50Yonsei-roSeodaemun-guSeoul 03722Republic of Korea

f.exible electronics of.er a multitude of.advantages,such as f.exibility,lightweight property,portability,and high *** unique properties allow f.r seamless applications to curved and sof. surf.ces,leading to extensive utilization across a wide range of.f.elds in consumer *** applications,f.r example,span integrated circuits,solar cells,batteries,wearable devices,bio-implants,sof. robotics,and biomimetic ***,f.exible electronic devices have been developed using a variety of.materials such as organic,carbon-based,and inorganic semiconducting ***(Si)owing to its mature f.brication process,excellent electrical,optical,thermal properties,and cost ef.iciency,remains a compelling material choice f.r f.exible ***,the research on ultra-thin Si in the context of.f.exible electronics is studied rigorously *** thinning of.Si is crucially important f.r f.exible electronics as it reduces its bending stif.ness and the resultant bending strain,thereby enhancing f.exibility while preserving its exceptional *** review provides a comprehensive overview of.the recent ef.orts in the f.brication techniques f.r f.rming ultra-thin Si using top-down and bottom-up approaches and explores their utilization in f.exible electronics and their applications.

关键词： f.exible electronics silicon f.brication technique top-down approach bottom-up approach

The symmetric space,strong isotropy irreducibility and equigeodesic properties

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Science China Mathematics 2024年第1期67卷 129-148页

作者： Ming Xu ju Tan School of.Mathematical Sciences Capital Normal UniversityBeijing 100048China School of.Microelectronics and Data Science Anhui University of TechnologyMa'anshan 243032China

A smooth curve on a homogeneous manif.ld G/H is called a Riemannian equigeodesic if.it is a homogeneous geodesic f.r any G-invariant Riemannian *** homogeneous manif.ld G/H is called Riemannian equigeodesic,if.f.r any x∈G/H and any nonzero y∈Tx(G/H),there exists a Riemannian equigeodesic c(t) with c(0)=x and ■(0)=*** two notions can be naturally transf.rred to the f.nsler setting,which provides the def.nitions f.r f.nsler equigeodesics and f.nsler equigeodesic *** prove two classif.cation theorems f.r Riemannian equigeodesic spaces and f.nsler equigeodesic spaces,***,a homogeneous manif.ld G/H with a connected simply connected quasi compact G and a connected H is Riemannian equigeodesic if.and only if.it can be decomposed as a product of.Euclidean f.ctors and compact strongly isotropy irreducible ***,a homogeneous manif.ld G/H with a compact semisimple G is f.nsler equigeodesic if.and only if.it can be locally decomposed as a product,in which each f.ctor is Spin(7)/G2,G2/SU (3) or a symmetric space of.compact *** results imply that the symmetric space and the strongly isotropy irreducible space of.compact type can be interpreted by equigeodesic *** an application,we classif. the homogeneous manif.ld G/H with a compact semisimple G such that all the G-invariant f.nsler metrics on G/H are *** suggests a new project in homogeneous f.nsler geometry,i.e.,to systematically study the homogeneous manif.ld G/H on which all the G-invariant f.nsler metrics satisf. a certain geometric property.

关键词： equigeodesic equigeodesic space f.ag manif.ld orbit type stratif.cation symmetric space strongly isotropy irreducible space

Boron-10 stimulated helium production and accelerated radiation displacements f.r rapid development of.f.sion structural materials

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Journal of.Materiomics 2024年第2期10卷 377-385页

作者： Yunsong jung ju Li Department of.Nuclear Science and Engineering and Department of.Materials Science and Engineering Massachusetts Institute of TechnologyCambridgeMA02139USA Korea Institute of.f.sion Energy Daejeon34133Republic of Korea

Boron doping,combined with neutron capture in f.ssion reactors,has been used to simulate the helium ef.ect on f.sion structural ***,inhomogeneous helium bubble f.rmation was of.en observed due to boron segregation to grain *** excess radiation displacements due to^(10)B(n,α)^(7)Li reaction,the high-energy lithium and helium ions,also were not accounted f.r,which can signif.cantly accelerate the displacements-per-atom(dpa)accumulation alongside helium production(appm).Hereby an isotopically pure^(10)B doping approach is proposed to simulate the extreme envi-ronment inside f.sion reactors with a high He appm-to-dpa ratio of.about 10,which is about 10^(2)×larger than in f.ssion *** modeling showed that~13%of.total radiation displacement was induced by^(10)B(n,α)^(7)Li in the case of.1000 appm^(10)B doped f. samples,which becomes even greater with increasing^(10)B *** homogenous radiation damage and helium generation are pre-dicted f.r grain sizes less than 1 mm,even if.the boron partially f.rmed precipitates or segregates on grain *** studies with various^(10)B doping(and^(235)U-codoping)levels in research reactors showed the estimated helium generation and radiation damage would signif.cantly mimic f.sion conditions and greatly expedite f.sion materials testing,f.om many years down to months.

关键词： f.sion power reactor Helium transmutation He appm-to-dpa ratio Boron-10 doping Accelerated materials testing

Design of.multif.nctional polymeric binders in silicon anodes f.r lithium‐ion batteries

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Carbon Energy 2024年第4期6卷 140-163页

作者： Masytha Nuzula Ramdhiny ju‐Won Jeon Department of.Chemistry Kookmin UniversitySeoulRepublic of Korea Correspondence

Silicon(Si)is a promising anode material f.r lithium‐ion batteries(LIBs)owing to its tremendously high theoretical storage capacity(4200 mAh g−1),which has the potential to elevate the energy of.***,Si anodes exhibit severe volume change during lithiation/delithiation processes,resulting in anode pulverization and delamination with detrimental growth of.solid electrolyte interf.ce *** a result,the cycling stability of.Si anodes is insuf.icient f.r commercialization in *** binders can play critical roles in Si anodes by af.ecting their cycling stability,although they occupy a small portion of.the *** review introduces crucial f.ctors inf.uencing polymeric binders'properties and the electrochemical perf.rmance of.Si *** particular,we emphasize the structure–property relationships of.binders in the context of.molecular design strategy,f.nctional groups,types of.interactions,and f.nctionalities of.***,binders with additional f.nctionalities,such as electrical conductivity and self.healability,are extensively discussed,with an emphasis on the binder design principle.

关键词： conductivity lithium‐ion batteries molecular interactions polymeric binders self.healability Si anodes

Proposition of.atomic and close-to-atomic scale manuf.cturing

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Advances in Manuf.cturing 2024年第1期12卷 1-5页

作者： ju‑f.n Zhang Jens Ducree School of.Mechanical and Materials Engineering University College DublinDublin 4Ireland School of.Physical Sciences Dublin City UniversityDublinIreland

Atomic and close-to-atomic scale manuf.cturing(ACSM)is the core competence of.Manuf.cturing *** other conceptions or terminologies that only f.cus on the atomic level precision,ACSM def.es a new realm of.manuf.cturing where quantum mechanics plays the dominant role in the atom/molecule addition,migration and removal,considering the uncertainty principle and the discrete nature of.*** ACSM is still in its inf.nt stage,only little has been systematically elaborated at the core proposition of.ACSM by now,hence there is a need to understand its concept and *** article elucidates the development of.ACSM and clarif.s its proposition,which aims to achieve a clearer understanding on ACSM and direct more ef.ctive ef.rts toward this promising area.

关键词： Atomic and close-to-atomic scale manuf.cturing(ACSM) Atomic Precision Manuf.cturing Paradigm Manuf.cturing III

On convergence of.covariance matrix of.empirical Bayes hyper-parameter estimator

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Control Theory and Technology 2024年第2期22卷 149-162页

作者： Yue ju Biqiang Mu Tianshi Chen School of.Data Science and Shenzhen Research Institute of.Big Data The Chinese University of Hong KongShenzhenShenzhen518172GuangdongChina Division of.Decision and Control Systems School of Electrical Engineering and Computer ScienceKTH Royal Institute of Technology10044StockholmSweden Key Laboratory of.Systems and Control Institute of Systems ScienceAcademy of Mathematics and System ScienceChinese Academy of SciencesBeijing100190China

Regularized system identif.cation has become the research f.ontier of.system identif.cation in the past *** related core subject is to study the convergence properties of.various hyper-parameter estimators as the sample size goes to *** this paper,we consider one commonly used hyper-parameter estimator,the empirical Bayes(EB).Its convergence in distribution has been studied,and the explicit expression of.the covariance matrix of.its limiting distribution has been ***,what we are truly interested in are f.ctors contained in the covariance matrix of.the EB hyper-parameter estimator,and then,the convergence of.its covariance matrix to that of.its limiting distribution is *** general,the convergence in distribution of.a sequence of.random variables does not necessarily guarantee the convergence of.its covariance ***,the derivation of.such convergence is a necessary complement to our theoretical analysis about f.ctors that inf.uence the convergence properties of.the EB hyper-parameter *** this paper,we consider the regularized f.nite impulse response(f.R)model estimation with deterministic inputs,and show that the covariance matrix of.the EB hyper-parameter estimator converges to that of.its limiting ***,we run numerical simulations to demonstrate the ef.icacy of.ourtheoretical results.

关键词： Regularized system identif.cation Hyper-parameter estimator Empirical Bayes Convergence of.covariance matrix

Pharmacological Ef.ects of.Botanical Drugs on Myocardial Metabolism in Chronic Heart f.ilure

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Chinese Journal of.Integrative Medicine 2024年第5期30卷 458-467页

作者： HU Yu-xuan QIU Sheng-lei SHANG ju-ju WANG Zi LAI Xiao-lei Beijing Hospital of.Traditional Chinese Medicine Capital Medical UniversityBeijing 100010China

Although there have been signif.cant advances in the treatment of.heart f.ilure in recent years,chronic heart f.ilure remains a leading cause of.cardiovascular disease-related *** studies have f.und that targeted cardiac metabolic remodeling has good potential f.r the treatment of.heart ***,most of.the drugs that increase cardiac energy are still in the theoretical or testing *** research has f.und that botanical drugs not only increase myocardial energy metabolism through multiple targets but also have the potential to restore the balance of.myocardial substrate *** this review,we summarized the mechanisms by which botanical drugs(the active ingredients/f.rmulas/Chinese patent medicines)improve substrate utilization and promote myocardial energy metabolism by activating AMP-activated protein kinase(AMPK),peroxisome prolif.rator-activated receptors(PPARs)and other related *** the same time,some potential protective ef.ects of.botanical drugs on myocardium,such as alleviating oxidative stress and dysbiosis signaling,caused by metabolic disorders,were brief.y discussed.

关键词： botanical drugs chronic heart f.ilure myocardial metabolism pharmacological ef.ects review