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Hierarchical Control Strategy for Load Regulation Based on Stackelberg Game Theory Considering Randomness

CSEE Journal of Power and Energy Systems 2024年第3期10卷 929-941页

作者： Tingyu Jiang Ping Ju C.Y.Chung Yuzhong gong College of Energy and Electrical Engineering Hohai UniversityNanjing 211100China Department of Electrical Engineering City University of Hong KongHong Kong CF624China Department of Electrical and Computer Engineering University of SaskatchewanSaskatoonSK S7N 5A9Canada CSEE IEEE

Demand response has been recognized as a valuable functionality of power systems for mitigating power *** paper proposes a hierarchical control strategy among the distribution system operator(DSO),load aggregators(LAs),and thermostatically controlled loads(TCLs);the strategy includes a scheduling layer and an executive layer to provide load *** the scheduling layer,the DSO(leader)offers compensation price(CP)strategies,and the LAs(followers)respond to CP strategies with available regulation power(ARP)*** of the DSO and LAs are modeled according to their behaviors during the load regulation *** game is adopted to capture interactions among the players and leader and to obtain the optimal strategy for each participant to achieve ***,considering inevitable random factors in practice,e.g.,renewable generation and behavior of users,two different stochastic models based on sample average approximation(SAA)and parameter modification are formulated with improved scheduling *** the executive layer,distributed TCLs are triggered based on strategies determined in the scheduling layer.A self-triggering method that does not violate user privacy is presented,where TCLs receive external signals from the LA and independently determine whether to alter their operation *** simulations are performed on the modified IEEE-24 bus system to verify effectiveness of the proposed strategy.

关键词： Demand response hierarchical control load regulation self-triggering method Stackelberg game

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Sponge as Scaffolds in Bone and Cartilage Tissue Engineering

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Chemical Research in Chinese Universities 2024年第5期40卷 786-797页

作者： LUO Lei gong Yining YAN Liang BU Yazhong Yan’an University Yan’an716000P.R.China Department of Spine Surgery Honghui HospitalXi’an Jiaotong UniversityXi’an710054P.R.China Institute of Medical Engineering Department of BiophysicsSchool of Basic Medical SciencesHealth Science CenterXi’an Jiaotong UniversityXi’an710061P.R.China

In recent years,tissue scaffolds have emerged as a new therapeutic method for bone and cartilage regeneration,with sponge scaffolds gaining increasing *** scaffolds possess several favorable characteristics,including appropriate biodegradability,excellent biocompatibility,good processability,powerful osteogenic ability,a unique porous structure,and adjustable pore size and *** attributes make sponge scaffolds a promising option for bone and cartilage ***,to date,there is a lack of comprehensive reviews summarizing the use of sponge scaffolds in this *** this review,our objective is to provide a comprehensive overview of the research progress and development trends of sponge ***,we introduce the various materials used for sponge ***,we summarize the different preparation methods employed for creating sponge ***,we discuss the functional additives that can be incorporated into the ***,we present some special structures that can be achieved in sponge *** aim is for this review to offer valuable insights and serve as a comprehensive resource for the design of sponge scaffolds in cartilage and bone regeneration.

关键词： Bone Sponge Scaffold Tissue regeneration

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Weakly Compact Sets and Riesz Representation Theorem in Musielak Sequence Spaces

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Acta Mathematica Sinica,English Series 2024年第2期40卷 467-484页

作者： Wan Zhong gong Si Yu SHI Zhong Rui SHI Department of Mathematics Anhui Normal UniversityWuhu 241000P.R.China Smeal College of Business Pennsylvania State UniversityUniversity ParkPennsylwania 16802USA Department of Mathematics Shanghai UniversityShanghai 200444P.R.China

In this work,we give some criteria of the weakly compact sets and a representation theorem of Riesz's type in Musielak sequence spaces using the ideas and techniques of sequence spaces and Musielak ***,as an immediate consequence of the criteria considered in this paper,the criteria of the weakly compact sets of Orlicz sequence spaces are deduced.

关键词： Compact set weak topology Banach space dual space Musielak sequence spaces

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A Constraint Adaptive Multi-Tasking Differential Evolution Algorithm:Designed for Dispatch of Integrated Energy System in Coal Mine

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Tsinghua Science and Technology 2024年第2期29卷 368-385页

作者： Canyun Dai Xiaoyan Sun Hejuan Hu Yong Zhang Dunwei gong School of Information and Control Engineering China University of Mining and TechnologyXuzhou 221116China School of Information Science and Technology Qingdao University of Science and TechnologyQingdao 266061China

The dispatch of integrated energy systems in coal mines(IES-CM)with mine-associated supplies is vital for efficient energy utilization and carbon emissions ***,IES-CM dispatch is highly challenging due to its feature as multi-objective and strong *** constrained multi-objective evolutionary algorithms often fall into locally feasible domains with poorly distributed Pareto front,which greatly deteriorates dispatch *** tackle this problem,we transform the traditional dispatch model of IES-CM into two tasks:the main task with all constraints and the helper task with constraint *** we propose a constraint adaptive multi-tasking differential evolution algorithm(CA-MTDE)to optimize these two tasks *** helper task with constraint adaptive is developed to obtain infeasible solutions near the feasible *** purpose of this infeasible solution is to transfer guiding knowledge to help the main task move away from local ***,a dynamic dual-learning strategy using DE/current-to-rand/1 and DE/current-to-best/1 is developed to maintain task diversity and ***,we comprehensively evaluate the performance of CA-MTDE by applying it to a coal mine in Shanxi Province,considering two IES-CM *** demonstrate the feasibility of CA-MTDE and its ability to generate a Pareto front with exceptional convergence,diversity,and distribution.

关键词： dispatch integrated energy system coal mine evolutionary multi-tasking constraint differential evolution

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Leaching behavior and microstructure of phosphorus in converter slag

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Journal of Iron and Steel Research International 2024年第7期31卷 1646-1660页

作者： Chao-gang Zhou Jin-yue Li Qing-gong Chen Yin-ye Yang Wei gong Li-qun Ai Shu-huan Wang Bei-yue Ma College of Metallurgy and Energy North China University of Science and TechnologyTangshan 063210HebeiChina Key Laboratory for Ferrous Metallurgy and Resources Utilization of Ministry of Education Wuhan University of Science and TechnologyWuhan 430081HubeiChina College of Materials Science and Engineering Guizhou Minzu UniversityGuiyang 550025GuizhouChina School of Materials and Architectural Engineering Guizhou Normal UniversityGuiyang 550025GuizhouChina School of Metallurgy Northeastern UniversityShenyang 110819LiaoningChina

Converter slag is a by-product of the steelmaking process and contains a large amount of Ca,Fe,P and other *** the phosphorus in the converter slag can be effectively extracted,the resulting phosphorus can be used as a phosphate *** in converter slag is mainly enriched in 2CaO·SiO_(2)-3CaO·P_(2)O_(5)(C_(2)S-C_(3)P)solid solution and is easily dissolved in ***,acid leaching method was used to dissolve the solid solution to extract phosphorus in converter slag,so as to realize the recycling of phosphorus resources in converter *** leaching behavior of three actual converter slags from different steel mills in acid leaching solutions composed of citric acid,sodium hydroxide,hydrochloric acid and deionized water was studied by X-ray diffraction,scanning electron microscopy combined with energy dispersive spectrometry,Fourier transform infrared spectroscopy and Raman spectroscopy to reveal the change in object image structure as well as SiO_(4) and PO_(4) tetrahedron before and after acid *** results show that only a small amount of phosphorus in converter slag with too low basicity is enriched in C_(2)S-C_(3)P solid solution,resulting in poor leaching *** the converter slag has a high basicity,the removal effect of phosphorus is 70.64%-81.88%.In addition,when the basicity of converter slag is roughly the same,the dephosphorization effect of slag with high FeO content is relatively *** acid leaching will cause depolymerization behavior of SiO_(4) and PO_(4) tetrahedron,so that the mole fraction of Q0(Si)(asymmetric stretching vibration of Si-O bond in SiO_(4) tetrahedron with bridge oxygen number of 0)and NBO/Si(non-bridging oxygen in silicate tetrahedra)will ***-containing solids can be obtained from the solution after acid leaching through static precipitation,and the solids have the potential to make phosphate fertilizers.

关键词： Dephosphorization converter slag Acid leaching Phosphorus Solid solution Slag structure

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BIM-based framework of automatic tunnel segment assembly and deviation control

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Underground Space 2024年第3期16卷 59-78页

作者： Jian gong Tengfei Bao Zheng Zhu Hong Yu Yangtao Li The National Key Laboratory of Water Disaster Prevention Hohai UniversityNanjing 210098China College of Water Conservancy and Hydropower Engineering Hohai UniversityNanjing 210098China College of Hydraulic and Environmental Engineering China Three Gorges UniversityYichang 443002China Zhejiang Design Institute of Water Conservancy and Hydro-Electric Power Hangzhou 310002China

The design of universal segments and deviation control of segment assembly are essential for robust and low-risk tunnel construction.A building information modeling(BIM)-based framework was proposed for parametric modeling,automatic assembly,and deviation control of universal ***,segment models of different levels of detail(LoDs)were built based on BIM visual programming language(VPL)for different project life ***,the geometric constraints,requirements,and procedures for parametric segment assembly were distilled to develop a program that combines a novel typesetting algorithm with a 3D path replanning *** is implemented by introducing a point indication matrix,characterizing segments by sides,and manipulating geometries in a ***,3D path replanning,with non-uniform rational B-splines(NURBS)and arcs as basic shapes,was used to resolve unacceptable deviation situations after ***,the proposed framework was validated on a water diversion line and was found to be more effective and accurate than the previous method.

关键词： Parametric generative design BIM Deviation control Typesetting 3D path replanning

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Targeting tau in Alzheimer's disease:from mechanisms to clinical therapy

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Neural Regeneration Research 2024年第7期19卷 1489-1498页

作者： Jinwang Ye Huali Wan Sihua Chen gong-Ping Liu Shenzhen Key Laboratory of Marine Biotechnology and Ecology College of Life Sciences and OceanographyShenzhen UniversityShenzhenGuangdong ProvinceChina Department of Laboratory Medicine Guangdong Provincial People’s Hospital(Guangdong Academy of Medical Sciences)Southern Medical UniversityGuangzhouGuangdong ProvinceChina Co-innovation Center of Neurodegeneration Nantong UniversityNantongJiangsu ProvinceChina Department of Pathophysiology School of Basic Medicine and the Collaborative Innovation Center for Brain ScienceKey Laboratory of Ministry of Education of China and Hubei Province for Neurological DisordersTongji Medical CollegeHuazhong University of Science and TechnologyWuhanHubei ProvinceChina

Alzheimer’s disease is the most prevalent neurodegenerative disease affecting older *** features of Alzheimer’s disease include extra cellular aggregation of amyloid-βplaques and the accumulation of neurofibrillary tangles,fo rmed by tau protein,in the *** there are amyloid-β-ta rgeting therapies for the treatment of Alzheimer’s disease,these therapies are costly and exhibit potential negative side *** evidence suggests significant involvement of tau protein in Alzheimer’s disease-related *** an important microtubule-associated protein,tau plays an important role in maintaining the stability of neuronal microtubules and promoting axonal *** fact,clinical studies have shown that abnormal phosphorylation of tau protein occurs before accumulation of amyloid-βin the *** therapeutic strategies targeting tau protein have begun to emerge,and are considered possible methods to prevent and treat Alzheimer’s ***,abnormalities in post-translational modifications of the tau protein,including aberrant phosphorylation,ubiquitination,small ubiquitin-like modifier(SUMO)ylation,acetylation,and truncation,contribute to its microtubule dissociation,misfolding,and subcellular *** causes mitochondrial damage,synaptic impairments,gliosis,and neuroinflammation,eventually leading to neurodegeneration and cognitive *** review summarizes the recent findings on the underlying mechanisms of tau protein in the onset and progression of Alzheimer’s disease and discusses tau-targeted treatment of Alzheimer’s disease.

关键词： acetylation Alzheimer’s disease cognitive deficits gliosis mitochondria damage neuroinflammation phosphorylation synaptic impairments tau tau immunotherapy

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On the improved dynamics approach in loop quantum black holes

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Communications in Theoretical Physics 2024年第3期76卷 138-143页

作者： Hongchao Zhang Wen-Cong Gan Yungui gong Anzhong Wang Institute for Theoretical Physics&Cosmology Zhejiang University of TechnologyHangzhou310023China United Center for Gravitational Wave Physics(UCGWP) Zhejiang University of TechnologyHangzhou310023China College of Physics and Communication Electronics Jiangxi Normal UniversityNanchang 330022China GCAP-CASPER Physics DepartmentBaylor UniversityWacoTX 76798-7316United States of America School of Physics Huazhong University of Science and TechnologyWuhanHubei 430074China Department of Physics School of Physical Science and TechnologyNingbo UniversityNingboZhejiang 315211China

In this paper,we consider the B?hmer–Vandersloot(BV)model of loop quantum black holes obtained from the improved dynamics *** adopt the Saini–Singh gauge,in which it was found analytically that the BV spacetime is geodesically *** show that black/white hole horizons do not exist in this geodesically complete ***,there exists only an infinite number of transition surfaces,which always separate trapped regions from anti-trapped *** on the improved dynamics approach adopted in other models of loop quantum black holes are also given.

关键词： loop quantum gravity black hole dynamics approach

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汽车散热器散热管漏水故障分析

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现代制造工程 2017年第1期 141-144,125页

作者：龚亚奇杨啟梁胡溧张帅武汉科技大学汽车与交通工程学院武汉430081 山东同创汽车散热装置股份有限公司泰安271000

针对某型散热器散热管漏水故障,利用有限元分析方法对散热器的动态应力进行了理论分析。利用CATIA建立散热器三维模型,在Hyper Mesh中建立散热器有限元模型,用模态试验对有限元模型的正确性进行验证,用RADIOSS求解散热器散热管的动态响... 详细信息

针对某型散热器散热管漏水故障,利用有限元分析方法对散热器的动态应力进行了理论分析。利用CATIA建立散热器三维模型,在Hyper Mesh中建立散热器有限元模型,用模态试验对有限元模型的正确性进行验证,用RADIOSS求解散热器散热管的动态响应。研究表明,理论计算的散热器散热管所受最大应力的位置与故障散热器的实际漏水点相吻合,故障散热器散热管漏水是散热器在使用过程中因振动产生的应力疲劳裂纹所致。通过对散热器原有结构的改进,使散热器散热管的最大应力下降了42%,提高了散热器的使用寿命。

关键词：散热器模态试验动态应力有限元分析

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Porcine enteric alphacoronavirus infection increases lipid droplet accumulation to facilitate the virus replication

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Journal of Integrative Agriculture 2024年第3期23卷 988-1005页

作者： Qi Gao Yongzhi Feng Ting gong Dongdong Wu Xiaoyu Zheng Yizhuo Luo Yunlong Yang Zebu Song Lang gong Guihong Zhang Guangdong Provincial Key Laboratory of Zoonosis Prevention and Control College of Veterinary MedicineSouth China Agricultural UniversityGuangzhou 510642China Maoming Branch Guangdong Laboratory for Lingnan Modern AgricultureMaoming 525000China Key Laboratory of Animal Vaccine Development Ministry of Agriculture and Rural AffairsGuangzhou 510000China Guangdong Laboratory for Lingnan Modern Agriculture Guangzhou 510642China

Coronaviruses are widely transmissible between humans and animals, causing diseases of varying severity. Porcine enteric alphacoronavirus(PEAV) is a newly-discovered pathogenic porcine enteric coronavirus in recent years, which causes watery diarrhea in newborn piglets. The host inflammatory responses to PEAV and its metabolic regulation mechanisms remain unclear, and no antiviral studies have been reported. Therefore, we investigated the pathogenic mechanism and antiviral drugs of PEAV. The transcriptomic analysis of PEAV-infected host cells revealed that PEAV could upregulate lipid metabolism pathways. In lipid metabolism, steady-state energy processes, which can be mediated by lipid droplets(LDs), are the main functions of organelles. LDs are also important in viral infection and inflammation. In infected cells, PEAV increased LD accumulation, upregulated NF-κB signaling, promoted the production of the inflammatory cytokines IL-1β and IL-8, and induced cell death. Inhibiting LD accumulation with a DGAT-1 inhibitor significantly inhibited PEAV replication, downregulated the NF-κB signaling pathway, reduced the production of IL-1β and IL-8, and inhibited cell death. The NF-κB signaling pathway inhibitor BAY11-7082 significantly inhibited LD accumulation and PEAV replication. Metformin hydrochloride also exerted anti-PEAV effects and significantly inhibited LD accumulation, downregulated the NF-κB signaling pathway, reduced the production of IL-1β and IL-8, and inhibited cell death. LD accumulation in the lipid metabolism pathway therefore plays an important role in the replication and pathogenesis of PEAV, and metformin hydrochloride inhibits LD accumulation and the inflammatory response to exert anti-PEAV activity and reducing pathological injury. These findings contribute new targets for developing treatments for PEAV infections.

关键词： porcine enteric alphacoronavirus NF-κB inflammatory pathway lipid droplet metformin hydrochloride

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