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Complete q-Moment Convergence of Moving Average Processes under -mixing Assumption

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Journal of Mathematical Research and Exposition 2011年第4期31卷 687-697页

作者： xing cai zhou Jin Guan LIN Department of Mathematics Southeast University Jiangsu 210096 P. R. China Department of Mathematics and Computer Science Tongling University Anhui 244000 P. R. China

In this paper, we study the complete q-moment convergence of moving average processes under v-mixing assumption. The results obtained not only extend some previous known results, but also improve them.

关键词： moving average φ-mixing complete moment convergence.

Exploring the effects of perception factors on evacuation intentions of residents

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Journal of Mountain Science 2025年第2期22卷 592-610页

作者： TANG Lan zhou Jiawen zhou Langyu xing Huige College of Architecture and Environment Sichuan UniversityChengdu 610065China State Key Laboratory of Hydraulics and Mountain River Engineering Sichuan UniversityChengdu 610065China Institute for Disaster Management and Reconstruction Sichuan University-Hong Kong Polytechnic UniversityChengdu 610207China

The evacuation of people under threat is an effective disaster prevention and mitigation measure in response to flash floods and geological hazards,and it is also an essential element of pre-disaster ***,the effect of the interactions between perception factors on residents'willingness to evacuate is an urgent problem to be ***,this paper introduces risk,stakeholder,and protective action perceptions from the protective action decision model as the main explanatory *** three core perceptions are subdivided into affective risk perception,cognitive risk perception,government perception,other-stakeholder perception,resourcerelated attributes,and hazard-related attributes.A questionnaire survey was conducted from June to July 2023 among residents of mountainous communities in nine villages in three towns in Sichuan Province,China.359 cross-sectional data were analyzed using structural equation modeling to explore the effects of six perception factors on evacuation *** results of the study showed that:(1)affective risk perception,government perception,other-stakeholder perception,and hazard-related attributes all directly and positively influence residents'intentions to evacuate;(2)cognitive risk perception is mediated by stakeholder and protective action perceptions,which indirectly and positively affect residents'intentions to *** on the hypothesized paths,strategies to improve residents'willingness to evacuate are discussed from the perspective of three core perceptions:strengthening disaster risk education,improving residents'cohesion,and building government *** results of this study can provide theoretical support and practical suggestions for emergency management departments to formulate emergency evacuation strategies,which can aid decision-makers in better understanding residents'intentions to evacuate,optimizing evacuation information dissemination pathways,and strengthening disaster risk man

关键词： Disaster prevention and mitigation Evacuation intentions Flash floods and geological hazards Protective action decision model Perception factors Structural equation modeling

Streamlined photonic reservoir computer with augmented memory capabilities

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Opto-Electronic Advances 2025年第1期8卷 45-57页

作者： Changdi zhou Yu Huang Yigong Yang Deyu cai Pei zhou Kuenyao Lau Nianqiang Li Xiaofeng Li School of Optoelectronic Science and Engineering&Collaborative Innovation Center of Suzhou Nano Science and Technology Soochow UniversitySuzhou 215006China Key Lab of Advanced Optical Manufacturing Technologies of Jiangsu Province&Key Lab of Modern Optical Technologies of Education Ministry of China Soochow UniversitySuzhou 215006China

Photonic platforms are gradually emerging as a promising option to encounter the ever-growing demand for artificial intelligence,among which photonic time-delay reservoir computing(TDRC)is widely *** such a computing paradigm can only employ a single photonic device as the nonlinear node for data processing,the performance highly relies on the fading memory provided by the delay feedback loop(FL),which sets a restriction on the extensibility of physical implementation,especially for highly integrated ***,we present a simplified photonic scheme for more flexible parameter configurations leveraging the designed quasi-convolution coding(QC),which completely gets rid of the dependence on *** delay-based TDRC,encoded data in QC-based RC(QRC)enables temporal feature extraction,facilitating augmented memory ***,our proposed QRC is enabled to deal with time-related tasks or sequential data without the implementation of ***,we can implement this hardware with a low-power,easily integrable vertical-cavity surface-emitting laser for high-performance parallel *** illustrate the concept validation through simulation and experimental comparison of QRC and TDRC,wherein the simpler-structured QRC outperforms across various benchmark *** results may underscore an auspicious solution for the hardware implementation of deep neural networks.

关键词： photonic reservoir computing machine learning vertical-cavity surface-emitting laser quasi-convolution coding augmented memory capabilities

Toward long-life Zn anode using highly polar electrolyte additives

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Journal of Energy Chemistry 2025年第2期101卷 651-660页

作者： Nengbin cai Hongming Chen Busheng Zhang Zijing Liu Xinbo He Dan zhou Beijing Advanced Innovation Center for Materials Genome Engineering University of Science and Technology Beijing Shunde Innovation School University of Science and Technology Beijing School of Textile Science and Engineering Wuyi University

Unstable Zn interface caused by rampant dendrite growth and parasitic side reactions always hinders the practical application of aqueous zinc metal batteries（AZMBs）,Herein,tyrosine（Tyr） with high molecular polarity was introduced into aqueous electrolyte to modulate the interfacial electrochemistry of Zn *** AZMBs,the positively charged side of Tyr can be well adsorbed on the surface of Zn anode to form a water-poor layer,and the exposed carboxylate side can be easily coordinated with Zn2+,favoring inducing uniform plating of Zn2+and inhibiting the occurrence of water-induced side *** in turn enable the achievement of highly stable Zn ***,the Zn anodes achieve outstanding cyclic stability(3000 h at 2 mA cm-2,2 mA h cm-2and 1300 h at 5 mA cm-2,5 mA h cm-2),high average Coulombic efficiency（99.4% over 3200 cycles）,and high depth of discharge（80% for 500 h）.Besides,the assembled Zn‖NaV3O8·1.5H2O full cells deliver remarkable capacity retention and ultra-long lifetime(61.8% over 6650 cycles at 5 A g-1) and enhanced rate capability(169 mA h g-1at 5 A g-1).The work may promote the design and deep understanding of electrolyte additives with high molecular polarity for high-performance AZMBs.

关键词： AZMBs Electrolyte additives Highly stable Zn anode Interfacial electrochemistry Tyr

Bisulfite-mediated base-free decarboxylative carbonylsulfination of alkenes:access toβ-keto sultines

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Science China Chemistry 2025年第2期68卷 622-630页

作者： Yongxin Zhang Pan zhou Xinyue Ma Xiaoxiao Yang xing Fang Yuxi Wang Chao Shu State Key Laboratory of Green Pesticide Engineering Research Center of Photoenergy Utilization for Pollution Control and Carbon ReductionCCNU-uOttawa Joint Research CentreCollege of ChemistryCentral China Normal University(CCNU)Wuhan 430079China Key Laboratory of Functional Molecular Solids Ministry of EducationAnhui Normal UniversityWuhu 241000China

A straightforward three-component decarboxylative cross-coupling ofα-keto acids,alkenes and sodium bisulfite is established for the construction of otherwise challenging-to-accessβ-keto sultine *** reaction involves the photoinduced carbonylsulfination of alkenes and utilizes sodium bisulfite as both a sulfur dioxide surrogate and buffer agent for deprotonation ofα-keto carboxylic *** note,the practical procedure featured broad substrate scope and group tolerance for diverse biologically important molecules under mild and operationally simple conditions,using an organic *** studies indicated that the transformation proceeds an apparent two-pronged radical addition/radical-polar crossover/SO_(2) insertion/ionic cyclization relay process,distinct from traditional alkenes bifunctionalization.

关键词： photoredox catalysis β-keto sultines carbonylsulfination sodium bisulfite radical

A low redox potential and long life organic anode material for sodium-ion batteries

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Journal of Energy Chemistry 2025年第1期100卷 557-564页

作者： Zhi Li Yang Wei Kang zhou Xin Huang xing zhou Jie Xu Taoyi Kong Junwei Lucas Bao Xiaoli Dong Yonggang Wang Department of Chemistry and Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials Institute of New EnergyCollaborative Innovation Center of Chemistry for Energy Materials(iChEM)Fudan UniversityShanghai 200433China Department of Chemistry Boston CollegeChestnut HillMA 02467USA School of Materials Science and Engineering Anhui University of TechnologyMa’anshan 243002AnhuiChina

Sodium-ion batteries (SIBs) with organic electrodes are an emerging research direction due to the sustainability of organic materials based on elements like C,H,O,and sodium ***,organic electrode materials for SIBs are mainly used as cathodes because of their relatively high redox potentials(>1 V).Organic electrodes with low redox potential that can be used as anode are ***,a novel organic anode material (tetrasodium 1,4,5,8-naphthalenetetracarboxylate,Na_(4)TDC) has been developed with low redox potential (<0.7 V) and excellent cyclic *** three-sodium storage mechanism was demonstrated with various in-situ/ex-situ spectroscopy and theoretical calculations,showing a high capacity of 208 mAh/g and an average decay rate of merely 0.022%per ***,the Na_(4)TDC-hard carbon composite can further acquire improved capacity and cycling stability for 1200 cycles even with a high mass loading of up to 20 mg cm^(-2).By pairing with a thick Na_(3)V_(2)(PO_(4))_(3)cathode (20.6 mg cm^(-2)),the as-fabricated full cell exhibited high operating voltage (2.8 V),excellent rate performance and cycling stability with a high capacity retention of 88.7% after 200 cycles,well highlighting the Na_(4)TDC anode material for SIBs.

关键词： Organic anode material Low redox potential Composite anode Sodium-ion batteries

Efficient conversion of chitin to HMF under the cocatalytic system of formic acid and silicotungstic acid

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Journal of Oceanology and Limnology 2025年第1期43卷 261-273页

作者： Luxiao zhou Kun GAO Peng HE Huahua YU Ronge xing Song LIU Yukun QIN College of Chemistry and Molecular Engineering Qingdao University of Science and TechnologyQingdao 266042China CAS and Shandong Province Key Laboratory of Experimental Marine Biology Institute of OceanologyChinese Academy of SciencesQingdao 266071China Laboratory for Marine Drugs and Bioproducts Qingdao Marine Science and Technology CenterQingdao 266237China

The conversion process of chitin,one of the abundant biomass resources on the earth,not only follows the principles of green chemistry,but also has significant value in industrial ***,it is a great challenge to directly convert insoluble and rigid structured chitin to 5-hydroxymethylfurfural(HMF).To address this issue,we developed a green conversion process combining pretreatment and catalytic *** was first pretreated by hexafluoro isopropanol(HFIP),which somewhat disrupted the hydrogen bonding network within the chitin ***,formic acid(FA)and silicotungstic acid(STA)synergistically catalyzed the conversion to HMF in a biphasic system of 2-methyltetrahydrofuran(2-Me-THF)/H2O,and high yields(40.2%)HMF was obtained under the optimism *** product distribution was analyzed by HPLC-MS and the co-catalysis of FA with STA was evidenced.A dual-function catalytic system with both Lewis and Br?nsted acids was created,the catalytic system that significantly improved the efficiency of complex tandem catalytic reactions with *** on the experimental results,a possible pathway for chitin conversion was deduced,providing a new catalytic idea for the efficient conversion of chitin to HMF.

关键词： chitin 5-hydroxymethylfurfural 2-Me-THF/H2O biphasic system Lewis and Br?nsted acid

Organic pollutant sensing for human health based on carbon dots

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Chinese Chemical Letters 2025年第1期36卷 147-157页

作者： Quan Zhang Shunjie xing Jingqian Han Li Feng Jianchun Li Zhaosheng Qian Jin zhou Affiliated Hospital of Shandong Second Medical University(261031 School of Clinical Medicine)School of PharmacyShandong Second Medical UniversityWeifang 261053China Shandong Botai Measurement and Testing Co.Ltd. Weifang 261000China College of Chemistry and Materials Science Zhejiang Normal UniversityJinhua 321004China

Organic pollutants are harmful and toxic chemical substances that adversely threaten human health and the living environment all over the *** and more studies have been investigating the relationship between low level of human exposure of organic compounds and various internal *** the sake of assessing disease risk due to organic compounds contact in a particular location,it is imperative for relevant government departments to make a human health risk assessment in view of the organic pollutants'bioavailability and their dosage-response *** is inevitable to make use of an efficient method to detect organic pollutants,which is significant for public health and *** assays based on carbon dots thus would provide a very plausible candidate *** consulting a large number of literatures,we offer a comprehensive review of the sensing applications of carbon dots for organic pollutants.

关键词： Fluorescent probe Human health Organic pollutants Carbon dots Detection and sensing

Enhanced oral drug delivery by mimicking natural amino acid and oligopeptide absorption route

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Nano Research 2025年第2期18卷 525-540页

作者： Ruinan Wu Xiaoxing Fan Licheng Wu Liyun xing Jinxia Kong zhou zhou Jingyuan Wen Lian Li Yuan Huang Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial TechnologyWest China School of PharmacySichuan UniversityChengdu 610041China School of Pharmacy Faculty of Medical and Health SciencesUniversity of AucklandAuckland 1023New Zealand

Oral delivery of protein and peptide drugs presents considerable challenges due to their susceptibility to digestive enzymes in gastrointestinal(Gl)tract and low efficiency of transepithelial ***,inspired by efficient absorption of protein-based nutrients,we constructed several kinds of oral drug delivery systems by mimicking natural amino acid and oligopeptide absorption *** kinds of amino acids and two kinds of oligopeptides were chosen as targeting ligands to mediate transportation of orally administered nanoparticles(NPs).Liraglutide(Lira),a kind of glucagon like peptide-1(GLP-1)receptor agonist,was used as model *** functionalized NPs could protect Lira from enzymatic degradation in Gl ***,compared with amino acid-modified NPs,oligopeptide-modified NPs exhibited greater transepithelial transport efficiency and were primarily absorbed in the proximal small intestine due to the high expression and transportation mediated by proton coupled oligopeptide transporter 1(PEPT1).These Lira-loaded NPs could effectively control the blood glucose level,reduce plasma lipid level,and repair tissue damage on type 2 diabetic mice and even showed comparable hypoglycemic effects of subcutaneous injection(s.c.)free *** study demonstrates the potential of mimicking natural oligopeptide absorption route to enhance oral delivery of protein and peptide drugs.

关键词： oral drug delivery amino acid absorption route oligopeptide absorption route liraglutide