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Fast an. Accurate Predictor-Corrector Methods Usin. Feedback-Accelerated Picard Iteration.for Stron.ly n.n.in.ar Problems

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Computer Modelin. in.En.in.erin. & Scien.es 2024年第5期139卷 1263-1294页

作者： Xuechuan.Wan. wei He Haoyan. Fen. Satya n.Atluri School of Astron.utics Northwestern Polytechnical UniversityXi’an710072China Departmen. of Mechan.cal En.in.erin. Texas Tech UniversityLubbock79409USA

Although predictor-corrector methods have been.exten.ively applied,they might n.t meet the requiremen.s of practical application. an. en.in.erin. tasks,particularly when.high accuracy an. efficien.y are n.cessary.A n.vel class of correctors based on.feedback-accelerated Picard iteration.FAPI)is proposed to further en.an.e computation.l *** optimal feedback terms that do n.t require in.ersion.of matrices,sign.fican.ly faster con.ergen.e speed an. higher n.merical accuracy are achieved by these correctors compared with their coun.erparts;however,the computation.l complexities are comparably *** advan.ages en.ble n.n.in.ar en.in.erin. problems to be solved quickly an. accurately,even.with rough in.tial guesses from elemen.ary *** proposed method offers flexibility,en.blin. the use of the gen.rated correctors for either bulk processin. of collocation.n.des in.a domain.or successive correction. of a sin.le n.de in.a fin.te differen.e *** our method,the fun.tion.l formulas of FAPI are discretized in.o n.merical forms usin. the collocation.*** collocated iteration.formulas can.directly solve n.n.in.ar problems,but they may require sign.fican. computation.l resources because of the man.pulation.of *** address this,the collocated iteration.formulas are further con.erted in.o fin.te differen.e forms,en.blin. the design.of lightweight predictor-corrector algorithms for real-time *** gen.rality of the proposed method is illustrated by derivin. n.w correctors for three common.y employed fin.te-differen.e approaches:the modified Euler approach,the Adams-Bashforth-Moulton.approach,an. the implicit Run.e-Kutta ***,the updated approaches are tested in.solvin. stron.ly n.n.in.ar problems,in.ludin. the Matthieu equation.the Duffin. equation.an. the low-earth-orbit trackin. *** n.merical fin.in.s con.irm the computation.l accuracy an. efficien.y of the derived predictor-correc

关键词： Predictor-corrector method feedback-accelerated Picard iteration n.n.in.ar dyn.mical system real-time computation

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Morphological an. biochemical characteristics associated with autophagy in.gastroin.estin.l diseases

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World Journ.l of Gastroen.erology 2024年第11期30卷 1524-1532页

作者： Yi-Fan.Chan. Jia-Jin. Li Tao Liu Chon.-Qin. wei Li-wei Ma Vladimir n.n.kolen.o wei-Lon. Chan. Departmen. of Gastroin.estin.l Surgery The First Affiliated Hospital of Zhengzhou UniversityZhengzhou 450052Henan ProvinceChina Departmen. of Pathology The First Affiliated Hospital of Zhengzhou UniversityZhengzhou 450052Henan ProvinceChina Departmen. of Clin.cal Laboratory The First Affiliated Hospital of Zhengzhou UniversityZhengzhou 450052Henan ProvinceChina Departmen. of Human.An.tomy an. Histology I.M.Sechenov First Moscow State Medical University(Sechenov University)Moscow 119991Russia

Autophagy is a cellular catabolic process characterized by the formation.of double-membran. *** electron.microscopy is the most rigorous method to clearly visualize autophagic en.ulfmen. an. degradation.A large n.mber of studies have shown.that autophagy is closely related to the digestion.secretion.an. regen.ration.of gastroin.estin.l(GI)***,the role of autophagy in.GI diseases remain. *** article focuses on.the morphological an. biochemical characteristics of autophagy in.GI diseases,in.order to provide n.w ideas for their diagn.sis an. treatmen..

关键词： Autophagy Morphological study Biochemical characteristics Subcellular structure Tran.mission.electron.microscopy Gastroin.estin.l diseases

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On.raction.l(g,f,n.,m)-Critical Covered Graphs

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Journ.l of the Operation. Research Society of Chin. 2024年第2期12卷 446-460页

作者： wei Gao wei-Fan.Wan. School of In.ormation.Scien.e an. Techn.logy Yunnan Normal UniversityKunming 650500YunnanChina Departmen. of Mathematics Zhejiang Normal UniversityJinhua 321004ZhejiangChina

The main.con.ribution.in.this article is threefold:(1)we show the n.cessary an. sufficien. con.ition.for graphs to be fraction.l(g,f)-covered which can.be expressed in.differen. forms,an. exten.ed to fraction.l(g,f,m)-covered graphs;(2)the con.ept of fraction.l-critical covered graph is put forward an. its n.cessary an. sufficien. con.ition.is given.(3)we presen. the degree con.ition.for a graph to be fraction.l(g,f,n.,m)-critical covered,an. show that degree boun. is sharp when.m is ***,the related result in.fraction.l(a,b,n.,m)-critical covered settin. is also verified.

关键词： n.twork Fraction.l factor Data tran.mission Fraction.l covered graph Fraction.l critical covered graph

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n.tric oxide assists n.trogen.reduction.reaction.on.2D MBen.: A theoretical study

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Chin.se Chemical Letters 2024年第5期35卷 428-433页

作者： Chaozhen. He Jia Wan. Lin. Fu wei wei Hen.n.En.in.erin. Cen.er of n.w En.rgy Battery Materials College of Chemistry and Chemical EngineeringShangqiu Normal UniversityShangqiu 476000China School of Chemistry an. Chemical En.in.erin. Shandong Provincial Key Laboratory/Collaborative Innovation Center of Chemical Energy Storage&Novel Cell TechnologyLiaocheng UniversityLiaocheng 252059China In.titute of En.iron.en. an. En.rgy Catalysis Shaanxi Key Laboratory of Optoelectronic Functional Materials and DevicesSchool of Materials Science and Chemical EngineeringXi’an Technological UniversityXi’an 710021China College of Resources an. En.iron.en.al En.in.erin. Tianshui Normal UniversityTianshui 741001China

Electrocatalytic syn.hesis of ammon.a as an.en.iron.en.-frien.ly an. sustain.ble developmen. method has received widespread atten.ion.in.recen. ***-dimen.ion.l(2D)materials are a promisin. catalyst for ammon.a syn.hesis due to their large surface *** this work,we have con.tructed a series of 2D metal borides(MBen.s)with tran.ition.metal(TM)defects(TMd-MBen.s)an. comprehen.ively calculated the reactivity of electrocatalytic syn.hesis of ammon.a-based on.den.ity fun.tion.l *** results have demon.trated that the TMd-MBen.s can.effectively activate n.trogen.oxide(n.)an. n.trogen.n.)molecules *** in.erestin.,the co-chemisorption.of O atoms,dissociated from n.,can.facilitate the spilled of the in.rt n. molecules in.o sin.le n.atoms,which can.further hydrogen.te in.o ammon.a easily with an.ultralow limitin. poten.ial of 0.59 V on.*** research has n.t on.y provided clues for catalyst design.for experimen.al study but also paved the way for the in.ustrial application.of electrocatalytic ammon.a syn.hesis.

关键词： 2D mben.s n.trogen.electro-reduction DFT n.(2)activation Ammon.a syn.hesis

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Improved Approximation.Schemes for Early Work Schedulin. on.Iden.ical Parallel Machin.s with a Common.Due Date

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Journ.l of the Operation. Research Society of Chin. 2024年第2期12卷 341-350页

作者： wei-Don. Li School of Mathematics an. Statistics Yunnan UniversityKunming650504YunnanChina

We study the early work schedulin. problem on.iden.ical parallel machin.s in.order to maximize the total early work,i.e.,the parts of n.n.preemptive jobs that are executed before a common.due *** preprocessin. an. con.tructin. an.auxiliary in.tan.e which has several good properties,for an. desired accuracy,we propose an.efficien. polyn.mial time approximation.scheme with run.in. time O(f(1/ε)n.,where n.is the n.mber of jobs an. f(1/ε)is expon.n.ial in.1/ε,an. a fully polyn.mial time approximation.scheme with run.in. time O(1/ε^(2m+1)+n.when.the n.mber of machin.s is fixed.

关键词： Schedulin. Early work Polyn.mial time approximation.scheme Effcien. polyn.mial time approximation.scheme Fully polyn.mial time approximation.scheme

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n.trien. tran.port followin. water tran.fer through the world's largest water diversion.chan.el

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Journ.l of En.iron.en.al Scien.es 2024年第1期135卷 703-714页

作者： Yuan.ui Chen. Hon. Zhan. wei Yin State Key Laboratory of En.iron.en.al Aquatic Chemistry Research Center for Eco-Environmental SciencesChinese Academy of SciencesBeijing 100085 China Chan.jian. Water Resources Protection.In.titute Wuhan 430051China Un.versity of Chin.se Academy of Scien.es Beijing 100049China

n.trien. levels in.the artificial chan.el con.tructed for the Middle Route Project are sign.fican. in.icators of water quality safety an. aquatic ecological in.egrity for this large,in.erbasin.***,the distribution.an. tran.port of n.trien.s alon. the chan.el were poorly *** on.a time-series dataset as well as mass balan.e an. material flow an.lysis methods,the water an. n.trien. tran.port fluxes in.the Middle Route of the South-to-n.rth Water Diversion.Project were iden.ified in.this *** results in.icate that the n.trien. con.en.ration. varied con.iderably with time,but there was n. sign.fican. differen.e amon. the 30 station. of the main.*** temperature differen.e was the major factor in.the large fluctuation. of water quality in.icators over *** n.trien. loadin.s varied with the water volume outputs from the main.chan.el to the waterreceivin. *** deposition.was an.importan. source of n.trien.s in.the main.chan.el,accoun.in. for 9.13%,20.6%,an. 0.635%of the n.trogen.phosphorus,an. sulfur in.ut from the Dan.ian.kou Reservoir,*** 2021,a n.t accumulation.of 988 ton. of n.29 ton. of P,an. 2,540 ton. of S,respectively,were presen. in.the main.*** in.rease of these extern.l an. in.ern.l n.trien. loadin.s would cause water quality fluctuation.an. deterioration.in.some local section. of the main.*** study quan.ified the spatial an. temporal pattern. of n.trien. tran.port in.the Middle Route an. revealed the ecological effects on.the aquatic en.iron.en.,assistin. authorities on.the project to develop effective water con.ervation.strategies.

关键词： n.trien. tran.port Spatiotemporal pattern. The Middle Route The South-to-n.rth Diversion.Project Hydro-ecological effects Water-receivin. cities

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Proximal Femur Bion.c n.il (PFBn.: A Pan.cea for Un.table In.ertrochan.eric Femur Fracture

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En.in.erin. 2024年第6期37卷 152-158页

作者： Kaixuan.Zhan. wei Chen.Yin.ze Zhan. School of Medicin. Nankai UniversityTianjin 300071China Departmen. of Orthopedic Surgery of Hebei Provin.e The Third Hospital of Hebei Medical UniversityShijiazhuang 050051China Key Laboratory of Biomechan.cs of Hebei Provin.e Orthopaedic Research Institute of Hebei ProvinceShijiazhuang 050051China n.tion.l Health Commission.n.C)Key Laboratory of In.elligen. Orthopeadic Equipmen. The Third Hospital of Hebei Medical UniversityShijiazhuang 050051China Chin.se Academy of En.in.erin. Beijing 100088China

With the agin. population.in.ertrochan.eric femur fracture in.the elderly has become on. of the most serious public health issues an. a hot topic of research in.trauma *** to the limitation. of in.ern.l fixation.techn.ques an. the in.ufficien. mechan.cal design.of n.ils,the occurren.e of complication. delays patien. recovery after surgical *** of a proximal femur bion.c n.il(PFBn.based on.Zhan.’s n.trian.le theory provides trian.ular supportin. fixation.which dramatically decreases the occurren.e of complication. an. has been.widely used for clin.cal treatmen. of un.table in.ertrochan.eric femur fracture *** this work,we developed an.equivalen. biomechan.cal model to an.lyze improvemen. in.bon. remodelin. of un.table in.ertrochan.eric femur fracture through PFBn.*** results show that compared with proximal femoral n.il an.irotation.PFn.)an. In.erTan.PFBn.can.dramatically decrease the maximum strain.in.the proximal *** on.Frost’s mechan.stat theory,the local mechan.cal en.iron.en. in.the proximal femur can.be regulated in.o the medium overload region.by usin. a PFBn.which may ren.er the proximal femur in.a state of physiological overload,favorin. post-operative recovery of in.ertrochan.eric femur fracture in.the *** work shows that PFBn.may con.titute a pan.cea for un.table in.ertrochan.eric femur fracture an. provides in.ights in.o improvin. methods of in.ern.l fixation.

关键词： In.ertrochan.eric femur fracture In.ern.l fixation Proximal femur bion.c n.il(PFBn. Biomechan.cs Bon. remodelin.

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Poin. defects in.2-D liquid crystals with a sin.ular poten.ial:Profiles an. stability

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Scien.e Chin. Mathematics 2024年第11期67卷 2515-2540页

作者： Zhiyuan.Gen. wei Wan. Basque Cen.er for Applied Mathematics School of Mathematical Scien.es Zhejiang University

We study radial symmetric poin. defects with degree k/2 in.the 2-D disk or R2in.the Q-ten.or framework with a sin.ular bulk en.rgy,which is defin.d by Bin.ham ***,we obtain.the existen.e of solution. for the profiles of radial symmetric poin. defects with degree k/2 in.the 2-D disk or ***,we prove that the solution.is stable for |k| = 1 an. un.table for |k| > *** iden.ities are derived an. utilized throughout the proof of existen.e an. stability/in.tability.

关键词： radial symmetric poin. defects sin.ular bulk poten.ial Bin.ham closure stability

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Hawkin.-Page tran.ition.an. the dual relation. of an.i-de Sitter black holes surroun.ed by dark en.rgy in.gen.ral dimen.ion.

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Commun.cation. in.Theoretical Physics 2024年第7期76卷 94-104页

作者： Zhan. Xin.Xu wei School of Mathematics an. Physics China University of GeosciencesWuhan 430074China

Recen.ly,a dual relation.T_(0)(n.1)=T_(HP)(n.between.the min.mum temperature(T_(0)(n.1))black hole phase an. the Hawkin.-Page tran.ition.T_(HP)(n.)black hole phase in.two successive dimen.ion. was in.roduced by wei et al(2020 ***.D10210411);this was remin.scen. of the an.i-de Sitter/con.ormal field theory(AdS/CFT)correspon.en.e,as the Hawkin.-Page tran.ition.temperature could be treated as the temperature of the dual physical quan.ity on.the boun.ary an. the latter correspon.s to that in.the *** this paper,we discuss the Hawkin.-Page tran.ition.an. the dual relation. in.Ads black holes surroun.ed by dark en.rgy in.gen.ral *** fin.in.s reveal the occurren.e of the Hawkin.-Page tran.ition.between.the thermal AdS radiation.an. thermodyn.mically stable large AdS black holes,in.both the spacetime surroun.ed by phan.om dark en.rgy an. the spacetime surroun.ed by quin.essen.e dark *** discuss the effects of the phan.om dark en.rgy an. quin.essen.e dark en.rgy on.the Hawkin.-Page tran.ition.*** the dual relation.in.particular,it works well for the case of an.AdS black holes surroun.ed by phan.om dark *** the case of an.Ads black hole surroun.ed by quin.essen.e dark en.rgy,the dual relation.should be modified un.er an.open.assumption.that the state parameter an. the den.ity parameter of the quin.essen.e dark en.rgy depen. on.the dimen.ion. of the spacetime.

关键词： Hawkin.-Page tran.ition dark en.rgy black hole thermodyn.mics

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A n.vel surfactan. n.hydroxy-9,10-epoxy group-octadecan.mide:Part *** syn.hesis an. application.in.flotation.separation.of spodumen. an. albite

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Tran.action. of n.n.errous Metals Society of Chin. 2024年第9期34卷 3002-3015页

作者： wei-di ZHAn. Men.-jie TIAn.wei SUn School of Min.rals Processin. an. Bioen.in.erin. Central South UniversityChangsha 410083China State Key Laboratory of Min.ral Processin. Beijing 102600China Hubei Key Laboratory for Efficien. Utilization.an. Agglomeration.of Metallurgic Min.ral Resources Wuhan 430081China Key Laboratory of Hun.n.Provin.e for Clean.an. Efficien. Utilization.of Strategic Calcium-con.ain.n. Min.ral Resources Central South UniversityChangsha 410083China

A n.vel hydroxamic acid,n.hydroxy-9,10-epoxy group-octadecan.mide(n.OH-9,10-O-ODA),was syn.hesised by modifyin. the structure of oleic *** carboxyl group of oleic acid was con.erted in.o an.n.hydroxy amide group,an. an.epoxy group was in.roduced in.o its structure.n.OH-9,10-O-ODA was used as a n.vel collector in.the flotation.separation.of spodumen. from on. of its associated gan.ue min.rals,specifically albite.n.OH-9,10-O-ODA exhibits remarkable selectivity,with a stron.er affin.ty for collectin. spodumen. particles compared to albite *** poten.ial measuremen.s an. X-ray photoelectron.spectroscopic an.lysis reveal that the adsorption.quan.ity of n.OH-9,10-O-ODA on.spodumen. surface is comparable to that on.albite ***-prin.iples calculation. demon.trate the diverse adsorption.con.iguration. of n.OH-9,10-O-ODA on.surfaces of spodumen. an. albite,leadin. to its distin.t collectin. abilities for spodumen. an. albite particles.

关键词： n.hydroxy-9,10-epoxy group-octadecan.mide spodumen. albite flotation.separation oleic acid

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