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国际医学放射学杂志 2024年第2期 251-251页

作者： J.J.Sun c.cong X.P.Li W.c.Zhou R.X.Xia H.Liu 侯唯姝

摘要目的基于多模态PET/MRI影像组学和临床特征建立鉴别帕金森病（PD）与多系统萎缩（MSA）的机器学习模型。方法纳入119例病人（PD 81例，MSA 38例）行脑PET/

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Iron-catalyzed Reductive c(aryl)—Si cross-coupling of Diaryl Ethers with chlorosilanes

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chinese Journal of chemistry 2024年第6期42卷 578-584页

作者： Pei Liu Baowei Wu Xuefeng cong Jie Kong School of chemistry and chemical Engineering Northwestern Polytechnical UniversityXi'anShaanxi710072 China Institute of Molecular Plus Department of Chemistry and Haihe Laboratory of Sustainable Chemical TransformationsTianjin University92 Weijin RoadTianjin300072 China

The reductive cross-coupling between c(aryl)—O and Si—cl bonds is of much importance as a valuable strategy for the construction of c(aryl)—Si bonds but has remained a great ***,we report a reductive cross-coupling of diaryl ethers and chlorosilanes via strong electrophilic c(aryl)—O and Si—cl bonds cleavage by iron catalysis,which constitutes an efficient protocol for the synthesis of a range of functionalized *** combination of low cost Fecl2 as the precatalyst and iPrMgcl as the reductant shows high activity in the successive cleavage of unactivated c(aryl)—O bonds of diaryl ethers and strong electrophilic Si—cl bonds of chlorosilanes,allowing their cross-coupling in a reductive *** low-valent iron species generated in situ by reduction of Fecl2 with iPrMgcl was proposed,which prefers to initially cleavage the c(aryl)—O bond of diaryl ethers with the chelation help of an o-amide auxiliary.

关键词： cross-coupling Diaryl ethers chlorosilanes c—O bond cleavage Iron catalyst 3d transition metals Selectivity Regioselectivity

A New Framework for Software Vulnerability Detection Based on an Advanced computing

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computers, Materials & continua 2024年第6期79卷 3699-3723页

作者： Bui Van cong cho Do Xuan Department of Information Technology University of Economics and Technical IndustriesHanoi100000Vietnam Faculty of Information Security Posts and Telecommunications Institute of TechnologyHanoi100000Vietnam

The detection of software vulnerabilities written in c and c++languages takes a lot of attention and interest *** paper proposes a new framework called DrcSE to improve software vulnerability *** uses an intelligent computation technique based on the combination of two methods:Rebalancing data and representation learning to analyze and evaluate the code property graph(cPG)of the source code for detecting abnormal behavior of software *** do that,DrcSE performs a combination of 3 main processing techniques:(i)building the source code feature profiles,(ii)rebalancing data,and(iii)contrastive *** which,the method(i)extracts the source code’s features based on the vertices and edges of the *** method of rebalancing data has the function of supporting the training process by balancing the experimental ***,contrastive learning techniques learn the important features of the source code by finding and pulling similar ones together while pushing the outliers *** experiment part of this paper demonstrates the superiority of the DrcSE Framework for detecting source code security vulnerabilities using the Verum *** a result,the method proposed in the article has brought a pretty good performance in all metrics,especially the Precision and Recall scores of 39.35%and 69.07%,respectively,proving the efficiency of the DrcSE *** performs better than other approaches,with a 5%boost in Precision and a 5%boost in ***,this is considered the best research result for the software vulnerability detection problem using the Verum dataset according to our survey to date.

关键词： Source code vulnerability source code vulnerability detection code property graph feature profile contrastive learning data rebalancing

Exponentially Bounded c-semigroup and the cauchy Initial Value Problems in complete Random Normed Modules

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Acta Mathematica Sinica,English Series 2024年第9期40卷 2195-2212页

作者： Son TA cong Thang Dang HUNG Oanh Le THI Department of Mathematics University of ScienceVietnam National University 334 Nguyen TraiThanh XuanHanoiVietnam Faculty of Natural Sciences Hong Duc University565 Quang TrungDong VeThanh HoaVietnam

In this paper,the notion of c-semigroup of continuous module homomorphisms on a complete random normal(RN)module is introduced and *** existence and uniqueness of solution to the cauchy problem with respect to exponen... 详细信息

关键词： c-semigroup cauchy problem random normed modules L^(0)-Lipschitz

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Designing highly transparent cerium doped Y2O3 ceramics with high mechanical and thermal properties for UV-shielding in extreme conditions

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Journal of Advanced ceramics 2024年第7期13卷 1032-1042页

作者： cong Zhang Jianqi Qi Xiaolan Zhou Zhonghua Lu Tiecheng Lu college of Physics Sichuan UniversityChengdu 610064China Key Laboratory of High Energy Density Physics of Ministry of Education Sichuan UniversityChengdu 610064China Key Laboratory of Radiation Physics and Technology of the Ministry of Education Sichuan UniversityChengdu 610064China

Ultraviolet(UV)radiation poses risks to both human health and *** response to the urgent demand for UV-shielding across various applications,extensive endeavors have been dedicated to developing UV-shielding materials spanning from wide-bandgap semiconductors to organo-inorganic composite ***,existing UV shielding materials,though suitable for daily use,cannot meet the demands of extreme *** this work,we incorporated ceO_(2)as a UV absorber into Y_(2)O_(3)transparent ceramics for *** effect of ceO_(2)concentration on the optical,mechanical,and thermal properties of Y_(2)O_(3)ceramics was systematically *** findings indicate that ceO_(2)serves not only as a UV absorber but also as an effective sintering aid for Y_(2)O_(3)transparent *** 5 at%ce-doped Y_(2)O_(3)transparent ceramics exhibit the optimal optical quality,with in-line transmittance of~77%at 800 *** introduction of ce shifted the UV cutoff edge of Y_(2)O_(3)transparent ceramics from 250 to 375 nm,which was attributed to the visible band absorption of ce^(4+).This shift grants UV shielding capabilities to Y_(2)O_(3)transparent ceramics,resulting in 100%shielding for ultraviolet c(UVc,100-280 nm)and ultraviolet B(UVB,280-320 nm)and~95%shielding for ultraviolet A(UVA,320-400 nm).The service stability(optical properties)under various corrosive conditions(acid,alkali,UV irradiation,and high temperature)was investigated,confirming the excellent stability of this transparent ceramic UV-shielding material.A comparison of the performance parameters of transparent ceramics with those of traditional UV shielding materials such as glasses,films,and coatings was *** work provides innovative design concepts and an effective solution for UVshielding materials for extreme conditions.

关键词： ultraviolet(UV)-shielding transparent ceramics bandgap engineering thermal properties optical properties

copper-based nanomaterials as peroxidase candidates for intelligent colorimetric detection and antibacterial applications

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Particuology 2024年第1期84卷 126-135页

作者： Yanyan Huang Huimin Zhong cong Jiang Jiahui Yang Jingwen Zhang Fei Zhao chaoqun Liu college of Light Industry and Food Engineering Nanjing Forestry UniversityNanjing210037China college of Pharmacy Institutes of Environment and MedicineHenan UniversityKaifeng475004China

With natural polyphenol compound tannic acid(TA)as the ingredient,copper tannate(cuTA)nanolayer material was formed by self-assembly under the conditions of heating and copper *** ion and tannic acid could coordinate to form cu-O-c structure which was similar to the Fe-N-c structure of natural heme *** addition,the obtained cuTA nanomaterial possessed excellent peroxidase-like catalytic activity and *** on this excellent enzymatic activity,cuTA nanomaterials could be used for colorimetric detection of hydrogen peroxide with a smartphone and decomposition of organic *** on the structural characteristics and catalytic activity,the copper tannate nanozymes could also serve as potential antibacterial reagents to effectively inhibit the growth of gram-negative and positive bacteria in a low hydrogen peroxide *** work may promote the exploration of novel peroxidase mimetics and broaden the applications of nanozymes.

关键词： Nanozyme colorimetric detection Smartphone Antibacteria

Deterministic processes drive turnover-dominated beta diversity of breeding birds along the central Himalayan elevation gradient

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Avian Research 2024年第2期15卷 163-171页

作者： Zhifeng Ding Jianchao Liang Le Yang cong Wei Huijian Hu Xingfeng Si Guangdong Key Laboratory of Animal conservation and Resource Utilization Institute of ZoologyGuangdong Academy of SciencesGuangzhouGuangdong510260China Tibet Plateau Institute of Biology Lhasa850001China Zhejiang Zhoushan Island Ecosystem Observation and Research Station Institute of Eco-ChongmingZhejiang Tiantong Forest Ecosystem National Observation and Research StationSchool of Ecological and Environmental SciencesEast China Normal UniversityShanghai200241China

Beta diversity,the variation of community composition among sites,bridges alpha and gamma diversity and can reveal the mechanisms of community assembly through applying distance-decay models and/or partitioning beta diversity into turnover and nestedness components from functional and phylogenetic *** as the most natural experiment system provide good opportunities for exploring beta diversity patterns and the underlying ecological ***,we simultaneously consider distance-decay models and multiple di-mensions of beta diversity to examine spatial variations of bird communities,and to evaluate the relative importance of niche-based and neutral community assembly mechanisms along a 3600-m elevational gradient in the central Himalayas,*** results showed that species turnover dominates taxonomic,functional,and phylogenetic beta *** observed strongest evidence of spatial distance decays in taxonomic similarities of birds,followed by its phylogenetic and functional *** component was highest in taxonomic beta diversity,while nestedness component was highest in functional beta ***,all correlations of assemblage similarity with climatic distance were higher than that with spatial *** values of overall taxonomic,functional,and phylogenetic beta diversity and their turnover components increase with increasing elevational distance,while the standardized values of taxonomic and phylogenetic nestedness decreased with increasing elevational *** results highlighted the niche-based deterministic processes in shaping elevational bird diversity patterns that were determined by the relative roles of decreasing trend of environmental filtering and increasing trend of limiting similarity along elevation distances.

关键词： Beta diversity Bird community assembly Functional trait Himalaya Nestedenss Phylogenetic distance Turnover

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Highly efficient and active co-N-c catalysts for oxygen reduction and Zn-air batteries

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Frontiers in Energy 2024年第4期18卷 436-446页

作者： cong LEI Rongzhong YANG Jianan ZHAO Wenbin TANG Fadong MIAO Qinghong HUANG Yuping WU School of Energy Science and Engineering Nanjing Tech UniversityNanjing 211816China

In this study,the Lewis doping approach of polyaniline(PANI)was employed to fabricate cobait-nitrogen-carbon(co-N-c)oxygen electrocatalysts for Zn-air batteries,aiming to enhance the active spots of *** resulting co-N-c catalysts exhibited welldefined nanofiber networks,and the Brunauer-EmmettTeller(BET)analysis confirmed their substantial specific surface *** experiments demonstrated that the co-N-c catalysts achieved the half-wave potential(***)of 0.85 V in alkaline medium,overcoming Pt/c and iron-nitrogen-carbon(Fe-N-c)counterparts in extended cycle testing with only a 25 mV change in a half-wave potential after 5000 ***,the highest power density measured in the zinc(Zn)-air battery reached 227 mW/cm2,a significant improvement over the performance of 101 mW/cm2 of the platinum on activated carbon(Pt/c)*** findings highlight the advantageous stability enhancement associated with the utilization of co in the co-N-c catalysts.

关键词： oxygen reduction reaction(ORR) oxygen evolution reaction(OER) non-noble metal catalysts co-N-c catalysts Zn-air battery

Metastable face-centered cubic ruthenium-based binary alloy for efficient alkaline hydrogen oxidation electrocatalysis

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Journal of Energy chemistry 2024年第5期92卷 207-215页

作者： Yunbo Li Jianchao Yue chaoyi Yang Hongnan Jia Hengjiang cong Wei Luo college of chemistry and Molecular Sciences Wuhan UniversityWuhan 430072HubeiChina

Metastable nanostructured electrocatalyst with a completely different surface environment compared to conventional phase-based electrocatalyst often shows distinctive catalytic *** Ru-based electrocatalysts have been widely investigated toward hydrogen oxidation reaction(HOR)under alkaline electrolytes,these studies are mostly limited to conventional hexagonal-close-packed(hcp)phase,mainly arising from the lack of sufficient synthesis *** this study,we report the precise synthesis of metastable binary RuW alloy with face-centered-cubic(fcc)*** find that the introduction of W can serve as fcc phase seeds and reduce the formation energy of metastable fcc-RuW ***,fcc-RuW exhibits remarkable alkaline HOR performance and stability with the activity of 0.67 mA cm_(Ru)^(-2)which is almost five and three times higher than that of hcp-Ru and commercial Pt/c,respectively,which is attributed to the optimized binding strength of adsorbed hydroxide intermediate derived from tailored electronic structure through W doping and phase ***,this strategy can also be applied to synthesize other metastable fcc-Rucr and fcc-RuMo alloys with enhanced HOR performances.

关键词： Hydrogen oxidation reaction Metastable phase Face-centered cubic(fcc) Ru Phase engineering

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Hybrid ion/electron interfacial regulation stabilizes the cobalt/oxygen redox of ultrahigh-voltage lithium cobalt oxide for fast-charging cyclability

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Science Bulletin 2024年第13期69卷 2071-2079页

作者： Zhihong Bi Anping Zhang Gongrui Wang cong Dong Pratteek Das Xiaoyu Shi Zhong-Shuai Wu State Key Laboratory of catalysis Dalian Institute of Chemical PhysicsChinese Academy of SciencesDalian 116023China University of chinese Academy of Sciences Beijing 100049China Dalian National Laboratory of clean Energy Chinese Academy of SciencesDalian 116023China

High-voltage and fast-charging LicoO_(2)(LcO)is key to high-energy/power-density Li-ion ***,unstable surface structure and unfavorable electronic/ionic conductivity severely hinder its high-voltage fast-charging ***,we construct a Li/Na-B-Mg-Si-O-F-rich mixed ion/electron interface network on the 4.65 V LcO electrode to enhance its rate capability and long-term cycling ***,the resulting artificial hybrid conductive network enhances the reversible conversion of co^(3+)/^(4+)/O_(2)/nredox by the interfacial ion–electron cooperation and suppresses interface side reactions,inducing an ultrathin yet compact cathode electrolyte ***,the derived near-surface Na+/Mg2+/Si^(4+)-pillared local intercalation structure greatly promotes the Li^(+)diffusion around the 4.55 V phase transition and stabilizes the cathode ***,excellent 3 c(1 c=274 mA g1)fast charging performance is demonstrated with 73.8%capacity retention over 1000 *** findings shed new insights to the fundamental mechanism of interfacial ion/electron synergy in stabilizing and enhancing fast-charging cathode materials.

关键词： High-voltage Fast-charging LicoO_(2) Interfacial ion-electron cooperation Local intercalation