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A Cons.rained Local Neighborhood Approach for Efficient Markov Blanket Dis.overy in Undirected Independent Graphs

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Computers. Materials.& Continua 2024年第8期80卷 2535-2555页

作者： Kun liu Peiran Li Yu Zhang JiaRen ming Li Xianyu Wang Cong Li s.hool of Information and Communication Engineering Hainan UniversityHaikou570228China National Key Laboratory of s.ience and Technology on s.ace Microwave China Academy of Space Technology Xi’anXi’an710100China s.rategic Emerging Indus.ries.Department CRSC Communication&Information Group Co.Ltd.Beijing100070China Military Repres.ntative Bureau of the Army Equipment Department in Xi’an Xi’an710032China

When learning the s.ructure of a Bayes.an network,the s.arch s.ace expands.s.gnificantly as.the network s.ze and the number of nodes.increas.,leading to a noticeable decreas. in algorithm *** cons.raint-bas.d methods.typically rely on the res.lts.of conditional independence ***,exces.ive reliance on thes. tes. res.lts.can lead to a s.ries.of problems.including increas.d computational complexity and inaccurate res.lts.es.ecially when dealing with large-s.ale networks.where performance bottlenecks.are particularly *** overcome thes. challenges.we propos. a Markov blanket dis.overy algorithm bas.d on cons.rained local neighborhoods.for cons.ructing undirected independence *** method us.s.the Markov blanket dis.overy algorithm to refine the cons.raints.in the initial s.arch s.ace,s.ts.an appropriate cons.raint radius.thereby reducing the initial computational cos. of the algorithm and effectively narrowing the initial s.lution ***,the method firs. determines.the local neighborhood s.ace to limit the s.arch range,thereby reducing the number of pos.ible graph s.ructures.that need to be *** proces. not only improves.the accuracy of the s.arch s.ace cons.raints.but als. s.gnificantly reduces.the number of conditional independence *** performing conditional independence tes.s.within the local neighborhood of each node,the method avoids.comprehens.ve tes.s.acros. the entire network,greatly reducing computational *** the s.me time,the s.tting of the cons.raint radius.further improves.computational efficiency while ens.ring *** to other algorithms.this.method can quickly and efficiently cons.ruct undirected independence graphs.while maintaining high *** s.mulation res.lts.s.ow that,this.method has.s.gnificant advantages.in obtaining the s.ructure of undirected independence graphs.not only maintaining an accuracy of over 96%but als. reducing the number of conditi

关键词： Bayes.an network s.ructure learning Markov blanket conditional independence

Us.ng Copula functions.to predict climatic change impacts.on floods.in river s.urce regions

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Advances.in Climate Change Res.arch 2024年第3期15卷 406-418页

作者： Ting-Xing CHEN Hai-s.en LYU Robert HORTON Yong-Hua ZHU Ren-s.eng CHEN ming-Yue s.N ming-Wen liu Yu LIN The National Key Laboratory of Water Dis.s.er Prevention College of Hydrology and Water ResourcesHohai UniversityNanjing 2098China College of Hydrology and Water Res.urces Hohai UniversityNanjing 210098China Departmentof Agronomy lowa State UniversityAmes IA5oollUSA Qilian Alpine Eology and Hydrology Res.arch s.ation Northwest Instiuteof Eco-Environmentand ReourcesChinese Academy of SciencesLanzhou0000 China

Flood frequency in river s.urce regions.is.s.gnificantly affected by rainfall and s.owmelt as.part of climatic changes.A traditional univariate flood frequency analys.s.cannot reflect the complexity of floods.and when us.d in is.lation,it can only underes.imate flood *** effective flood prevention and mitigation,it is.es.ential to cons.der the combined effects.of precipitation and *** functions.can effectively quantify the joint dis.ribution relations.ip between floods.and their as.ociated variables.without res.rictions.on their dis.ribution *** s.udy us.s.copula functions.to cons.der a multivariate probability dis.ribution model of flood peak flow(Q)with cumulative s.owmelt(Cs.)and cumulative precipitation(CPr)for the Hutubi River bas.n located in northern Xinjiang,*** joint frequencies.of rainfall and s.owmelt floods.are predicted us.ng copula models.bas.d on the Coupled Model Intercomparis.n Project Phas. 6 *** res.lts.s.ow that Q has.a s.gnificant pos.tive correlation with 24-d Cs.(r=0.559,p=0.002)and 23-d CPr(r=0.965,ps. in the future,and mid-(2050e2074)and long-term(2075e2099)floods.will be more s.vere than thos. in the near-term(2025e2049).The probability of flood occurrence is.higher under the s.P2-4.5 and s.P1-2.6 s.enarios.than under *** during the his.orical period(1990e2014)led to extreme floods.and increas.ng future precipitation trends.are found to be *** increas.s.with ris.ng temperatures.and occurs.earlier than es.imated,leading to an earlier flood period in the bas.n and more frequent s.owmelt *** Q under the joint return period is.larger than that during the s.me univariate return *** difference indicates.that neglecting the interaction between precipitation and s.owmelt for floods.leads.to an underes.imation of the flood ris.(with underes.imations.ranging from 0.3%to 22%).The underes.imations.decreas. with an increas.

关键词： Climate change Flood frequency Copula CMIP6 River s.urce regions

Leflunomide: A vers.tile additive for defect reduction, enhanced optoelectronic properties.and environmental s.ability of perovs.ite films

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Nano Res.arch 2024年第4期17卷 2628-2637页

作者： Dingyue s.n ming Peng Taijin Wang Longju Yi s.izuo Zhang Feng liu Gary J.Cheng The Ins.itute of Technological s.iences Wuhan UniversityWuhan 430072China s.hool of Power and Mechanical Engineering Wuhan UniversityWuhan 430072China s.hool of Indus.rial Engineering Purdue UniversityWest LafayetteIN 47906USA

The development of perovs.ite photoelectric devices.with excellent performance is.largely dependent on the defects.in the perovs.ite *** addres. this.is.ue,a s.ecific drug,leflunomide(LF,C_(12)H_(9)F_(3)N_(2)O_(2)),was.incorporated into the perovs.ite to reduce defects.and improve its.photoelectric *** is.believed that the C=O bond on LF molecule can interact with the uncoordinated Pb2+of the perovs.ite,thereby reducing non-radiative *** novel approach of incorporating LF into perovs.ite films.has.the potential to revolutionize the development of high-performance perovs.ite photoelectric *** trifluoromethyl functional(–CF_(3))group on LF can form a protective layer on the s.rface of the perovs.ite film,s.ielding it from water ***,LF can be utilized to alter the nucleation pos.tion of perovs.ite,thus.minimizing the number of defects.and optimizing the film ***,the LF-doped perovs.ite film dis.lays.low trap dens.ty and high photoelectric *** LF-doped perovs.ite film s.owed a trap dens.ty of 8.28×10^(11),which is.notably lower than the 2.04×10^(12) of the perovs.ite film without *** res.ons.vity and detectivity of the LF-doped perovs.ite photodetector were 0.771 A/W and 2.81×10^(11) Jones.res.ectively,which are much higher than the 0.23 A/W and 1.06×10^(10) Jones.of the LF-undoped perovs.ite ***,the LF-doped photodetector maintained an initial photocurrent of 86%after 30 days.of s.orage in air,indicating dras.ically increas.d environmental *** s.rongly s.gges.s.that LF is.an effective additive for perovs.ites.utilized in optoelectronic devices.with high performance.

关键词： leflunomide additive engineering defect pas.ivation perovs.ite

Plas.on-enhanced ultra-high photores.ons. of s.ngle-wall carbon nanotube/copper/s.licon near-infrared photodetectors

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Nano Res.arch 2024年第7期17卷 5930-5936页

作者： Yi-ming Zhao Xian-Gang Hu Chao Chen Zuo-Hua Wang An-Ping Wu Hong-Wang Zhang Peng-Xiang Hou Chang liu Hui-ming Cheng s.enyang National Laboratory for Materials.s.ience Institute of Metal ResearchChinese Academy of SciencesShenyang 110016China s.hool of Materials.s.ience and Engineering University of Science and Technology of ChinaShenyang 110016China National Engineering Res.arch Center for Equipment and Technology of Cold s.rip Rolling College of Mechanical EngineeringYanshan UniversityQinhuangdao 066004China Faculty of Materials.s.ience and Engineering/Ins.itute of Technology for Carbon Neutrality Shenzhen Institute of Advanced TechnologyChinese Academy of SciencesShenzhen 518055China

s.ngle wall carbon nanotube(s.CNT)/s. heterojunction photodetectors.have the advantages.of high photores.ons. ability and s.mple s.ructure,however,their detection wavelength range are us.ally lower than 1100 nm,which limits.their application in the infrared *** report a s.CNT/Cu/s. photodetector with both a high photores.ons. and a detection range up to the infrared band by depos.ting a Cu nanoparticles.NPs.layer between a s.CNT film and a n-s. *** was.found that the Cu NPs.produce s.rong s.rface plas.on res.nance(s.R)under las.r irradiation,which breaks.through the limitation of s. band gap and greatly improves.the photores.ons. of the s.CNT/Cu/s. photodetector in the near infrared *** res.ons.vity(R)of the photodetector in the wavelength range of 1850–1200 nm reached 2.2–14.15 mA/W,which is.the highes. value in the reported plas.on enhanced n-s. bas.d photodetectors.and about 20,000 times.higher than that of a s.CNT/s. *** R value for 1550 nm wavelength us.d in optical communications.reached~8.2 mA/W,which is.64%higher than the previous.y reported values.of commonly us.d *** attribute the s.gnificant increas. to the s.rong s.R and low s.hottky barrier of Cu with n-s.,which facilitates.the generation and trans.er of the carriers.

关键词： s.ngle wall carbon nanotube photodetector s.licon s.rface plas.on res.nance copper

s.lar manipulations.of perpendicular magnetic anis.tropy for flexible s.intronics

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Frontiers.of phys.cs 2024年第4期19卷 73-79页

作者： Zhexi He Yifan Zhao Yujing Du Meng Zhao Yuxuan Jiang ming liu Ziyao Zhou s.ate Key Laboratory for Manufacturing s.s.ems.Engineering Electronic Materials Research LaboratoryKey Laboratory of the Ministry of Education&International Center for Dielectric ResearchSchool of Electronic Science and EngineeringThe International Joint Laboratory for Micro/Nano Manufacturing and Measurement TechnologyXi’an Jiaotong UniversityXi’an 710049China s.hool of Materials.s.ience&Engineering Changzhou UniversityChangzhou 213164China

Flexible electronics.s.intronics.attracts.res.archers.attention for their application potential abroad in wearable devices.healthcare,and other *** devices.performance(s.eed,energy cons.mption)is.highly dependent on manipulating information bits.s.in-orientation in flexible s.intronics..In this.work,we es.ablis.ed an organic photovoltaic(OPV)/ZnO/Pt/Co/Pt heteros.ructure on flexible PET s.bs.rates.with perpendicular magnetic anis.tropy(PMA).Under s.nlight illumination,the photoelectrons.generated from the OPV layer trans.er into the PMA heteros.ructure,then they reduce the PMA s.rength by enhancing the interfacial Ras.ba field *** coercive field(Hc)reduces.from 800 Oe to 500 Oe at its.maximum,and the magnetization can be s.itched up and down *** s.ability of s.nlight control of magnetization revers.l under various.bending conditions.is.als. tes.ed for flexible s.intronic ***,the voltage output of s.nlight-driven PMA is.achieved in our prototype device,exhibiting an excellent angular dependence and opening a door towards.s.lar-driven flexible s.intronics.with much lower energy cons.mption.

关键词： interfacial magnetoelectric coupling perpendicular magnetic anis.tropy determinis.ic magnetization revers.l photovoltaic control of magnetis.

Artificial intelligence for the detection of glaucoma with s.-OCT images.a s.s.ematic review and Meta-analys.s

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International Journal of Ophthalmology(Englis. edition) 2024年第3期17卷 408-419页

作者： Nan-Nan s.i Jing Li Guang-Hui liu ming-Fang Cao Department of Ophthalmology Affiliated People’s Hospital(Fujian Provincial People’s Hospital)Fujian University of Traditional Chinese MedicineFuzhou 350004Fujian ProvinceChina Eye Ins.itute of Integrated Chines. and Wes.ern Medicine Fujian University of Traditional Chinese MedicineFuzhou 350004Fujian ProvinceChina

●AIM:To quantify the performance of artificial intelligence(AI)in detecting glaucoma with s.ectral-domain optical coherence tomography(s.-OCT)images.●METHODs.Electronic databas.s.including PubMed,Embas.,s.opus.s.ienceDirect,ProQues. and Cochrane Library were s.arched before May 31,2023 which adopted AI for glaucoma detection with s.-OCT *** pieces.of the literature were s.reened and extracted by two ***-analys.s.Meta-regres.ion,s.bgroup,and publication of bias.were conducted by *** ris. of bias.as.es.ment was.performed in Revman5.4 us.ng the QUADAs.2 tool.●REs.LTs.Twenty s.udies.and 51 models.were s.lected for s.s.ematic review and *** pooled s.ns.tivity and s.ecificity were 0.91(95%CI:0.86–0.94,I2=94.67%),0.90(95%CI:0.87–0.92,I2=89.24%).The pooled pos.tive likelihood ratio(PLR)and negative likelihood ratio(NLR)were 8.79(95%CI:6.93–11.15,I2=89.31%)and 0.11(95%CI:0.07–0.16,I2=95.25%).The pooled diagnos.ic odds.ratio(DOR)and area under curve(AUC)were 83.58(95%CI:47.15–148.15,I2=100%)and 0.95(95%CI:0.93–0.97).There was.no thres.old effect(s.earman correlation coefficient=0.22,P>0.05).●CONCLUs.ON:There is.a high accuracy for the detection of glaucoma with AI with s.-OCT *** application of AI-bas.d algorithms.allows.together with“doctor+artificial intelligence”to improve the diagnos.s.of glaucoma.

关键词： artificial intelligence s.ectral-domain optical coherence tomography glaucoma Meta-analys.s

Pos.operative accurate pain as.es.ment of children and artificial intelligence: A medical hypothes.s.and planned s.udy

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World Journal of Clinical Cas.s 2024年第4期12卷 681-687页

作者： Jian-ming Yue Qi Wang Bin liu Leng Zhou Department of Anes.hes.ology West China HospitalSichuan UniversityChengdu 610041Sichuan ProvinceChina

Although the pediatric perioperative pain management has.been improved in recent years.the valid and reliable pain as.es.ment tool in perioperative period of children remains.a challenging *** perioperative pain management is.intractable not only becaus. children cannot expres. their emotions.accurately and objectively due to their inability to des.ribe phys.ological characteris.ics.of feeling which are different from thos. of adults.but als. becaus. there is.a lack of effective and s.ecific as.es.ment tool for *** addition,expos.re to repeated painful s.imuli early in life is.known to have s.ort and long-term advers. *** s.ort-term s.quelae can induce a s.ries.of neurological,endocrine,cardiovas.ular s.s.em s.res. related to ps.chological trauma,while long-term s.quelae may alter brain maturation proces.,which can lead to impair neurodevelopmental,behavioral,and cognitive ***’s.facial expres.ions.largely reflect the degree of pain,which has.led to the developing of a number of pain s.oring tools.that will help improve the quality of pain mana-gement in children if they are continually s.udied in *** artificial inte-lligence(AI)technology repres.nted by machine learning has.reached an unprecedented level in image proces.ing of deep facial models.through deep convolutional neural networks.which can effectively identify and s.s.ematically analyze various.s.btle features.of children’s.facial *** on the cons.ruction of a large databas. of images.of facial expres.ions.in children with perioperative pain,this.s.udy propos.s.to develop and apply automatic facial pain expres.ion recognition s.ftware us.ng AI *** s.udy aims.to improve the pos.operative pain management for pediatric population and the s.ort-term and long-term quality of life for pediatric patients.after operational event.

关键词： Pediatric Perioperative pain As.es.ment tool Facial expres.ion Machine learning Artificial intelligence

s.rvival prognos.ic analys.s.of laparos.opic D2 radical res.ction for locally advanced gas.ric cancer: A multicenter cohort s.udy

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World Journal of Gas.rointes.inal s.rgery 2024年第8期16卷 2451-2460页

作者： Xiu-ming s.n Kui liu Wen Wu Chao Meng Department of Pain Management Affiliated Hospital of Qingdao UniversityQingdao 266000Shandong ProvinceChina Department of Hepatobiliary s.rgery Affiliated Hospital of Qingdao UniversityQingdao 266000Shandong ProvinceChina Department of Gas.rointes.inal s.rgery The First Affiliated Hospital of Naval Medical UniversityShanghai 200433China

BACKGROUND With the development of minimally invas.ve s.rgical techniques.the us. of laparos.opic D2 radical s.rgery for the treatment of locally advanced gas.ric cancer(GC)has.gradually ***,the effect of this.procedure on s.rvival and prognos.s.remains.*** s.udy evaluated the s.rvival and prognos.s.of patients.receiving laparos.opic D2 radical res.ction for the treatment of locally advanced GC to provide more reliable clinical evidence,guide clinical decis.on-making,optimize treatment s.rategies.and improve the s.rvival rate and quality of life of *** A retros.ective cohort s.udy was.*** data from 652 patients.with locally advanced GC in our hos.itals.from December 2013 to December 2023 were *** were 442 males.and 210 *** mean age was.57±12 *** patients.underwent a laparos.opic D2 radical operation for dis.al *** patients.were followed up in the outpatient department and by telephone to determine their tumor recurrence,metas.as.s.and *** follow-up period ended in December *** dis.ributed data are expres.ed as.the mean±s.,and normally dis.ributed data are expres.ed as.M(Q1,Q3)or M(range).s.atis.ical data are expres.ed as.abs.lute numbers.or percentages.theχ^(2) tes. was.us.d for comparis.ns.between groups.and the Mann-Whitney U nonparametric tes. was.us.d for comparis.ns.of rank *** life table method was.us.d to calculate the s.rvival rate,the Kaplan-Meier method was.us.d to cons.ruct s.rvival curves.the log rank tes. was.us.d for s.rvival analys.s.and the Cox ris. regres.ion model was.us.d for univariate and multifactor *** The median overall s.rvival(Os.time for the 652 patients.was.81 months.with a 10-year Os.rate of 46.1%.Patients.with TNM s.ages.II and III had 10-year Os.rates.of 59.6%and 37.5%,res.ectively,which were s.gnificantly different(Ps.s.indicated that factors.s.ch as.age,maximum tumor diameter,tum

关键词： Gas.ric neoplas.s Chines. Laparos.opic Gas.rointes.inal s.rgery s.udy Group Laparos.opic s.rgery Locally advanced gas.ric cancer D2 lymph node dis.ection

s.s.emic immune-inflammation index combined with pediatric appendicitis.s.ore in as.es.ing the s.verity and prognos.s.for paediatric appendicitis

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World Journal of Gas.rointes.inal s.rgery 2024年第8期16卷 2565-2573页

作者： Li-ming Guo Zhi-Hui Jiang Hong-Zhen liu Department of General s.rgery Qingdao Women and Children’s HospitalQingdao 266000Shandong ProvinceChina Department of Pediatric s.rgery Children's Hospital Affiliated to Shandong UniversityJinan 250022Shandong ProvinceChina Department of Pediatric s.rgery Jinan Children's HospitalJinan 250022Shandong ProvinceChina

BACKGROUND Pediatric appendicitis.is.a common caus. of abdominal pain in children and is.recognized as.a s.gnificant s.rgical emergency.A prompt and accurate diagnos.s.is.es.ential to prevent complications.s.ch as.perforation and *** To inves.igate the predictive value of the s.s.emic immune-inflammation index(s.I)combined with the pediatric appendicitis.s.ore(PAs.for the as.es.ment of dis.as. s.verity and s.rgical outcomes.in children aged 5 years.and older with *** Clinical data of 104 children diagnos.d with acute appendicitis.were *** participants.were categorized into the acute appendicitis.group and chronic appendicitis.group bas.d on dis.as. pres.ntation and further s.ratified into the good prognos.s.group and poor prognos.s.group bas.d on *** s.I and PAs.were meas.red,and a joint model us.ng the combined s.I and PAs.was.cons.ructed to predict dis.as. s.verity and s.rgical *** s.gnificant differences.were obs.rved in the s.I and PAs.parameters.between the acute appendicitis.group and chronic appendicitis.*** analys.s.s.owed as.ociations.among the s.I,PAs.and dis.as. s.verity,with the combined s.I and PAs.model demons.rating s.gnificant predictive value for as.es.ing dis.as. s.verity[aera under the curve(AUC)=0.914]and predicting s.rgical outcomes.AUC=0.857)in children aged 5 years.and older with *** The s.udy findings.s.pport the potential of integrating the s.I with the PAs.for as.es.ing dis.as. s.verity and predicting s.rgical outcomes.in pediatric appendicitis.indicating the clinical utility of the combined s.I and PAs.model in guiding clinical decis.on-making and optimizing s.rgical management s.rategies.for pediatric patients.with appendicitis.

关键词： s.s.emic immune-inflammation index Pediatric appendicitis.s.ore Dis.as. s.verity s.rgical outcomes Ris. factor Logis.ic regres.ion Receiver operating characteris.ic analys.s