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Fr.eze-thaw cycles and associated geomor.hology in a post-glacial env.r.nment:cur.ent glacial,par.glacial,per.glacial and pr.glacial scenar.os at Pico de Or.zaba v.lcano,Mexico

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Jour.al of Mountain Science 2024年第6期21卷 1954-1977页

作者： v.ctor.SOTO Car.os M.WELSH r. Kenji YOSHIKAWA Hugo DELGADO Gr.NADOS Centr. de Ciencias de la Tier.a Universidad VeracruzanaCircuito Gonzalo Aguirre BeltránS/NZona Universitaria91090XalapaMéxico Water.and Env.r.nmental r.sear.h Center University of Alaska FairbanksFairbanksAlaska 99775USA Instituto de Geofísica Universidad Nacional Autónoma de MéxicoCiudad de México 04150México Depar.ment of Ear.h and Env.r.nmental Sciences Ludwig Maximilians UniversitätMunich 80333Germany

The glacial histor. of Pico de Or.zaba indicates that dur.ng the Last Glacial Maximum,its icecap cov.r.d up to~3000 m asl;due to the air.temper.tur. incr.asing,its main glacier.has r.tr.ated to 5050 m *** r.tr.ction of the glacier.has left behind an intense climatic instability that causes a high fr.quency of fr.eze-thaw cycles of gr.at intensity;the r.sulting geomor.hological pr.cesses ar. r.pr.sented by the fr.gmentation of the bedr.ck that occupies the upper.par.s of the *** is a notable lack of studies r.gar.ing the fr.gmentation and er.sion occur.ing in tr.pical high mountains,and the associated geomor.hological r.sks;for.this r.ason,as a fir.t stage of futur. continuous r.sear.h,this study analyzes the fr.ezing and thawing cycles that occur.abov. 4000 m asl,thr.ugh continuous monitor.ng of sur.ace gr.und *** r.sults allow us to identify and char.cter.ze four.zones:glacial,par.glacial,per.glacial and *** was found that the par.glacial zone pr.sents an intense dr.p of temper.tur.,of up to~9℃ in only sixty *** r.ck fatigue and intense fr.eze-thaw cycles that occur.in this ar.a ar. r.sponsible for.the high r.te of r.ck disintegr.tion and r.pr.sent the main factor.of the constant slope dynamics that occur.at the *** activ.ty decr.ases,both in fr.quency and intensity,accor.ing to the distance to the glacier.which is wher. the temper.tur. pr.sents a cer.ain degr.e of stability,until r.aching the pr.glacial zone,wher. cycles ar. almost non-existent,and ther.for. ther. is no gelifr.ction *** geomor.hological pr.cesses hav. r.sulted in significant alter.tions to the mountain slopes,which can hav. sev.r. consequences in ter.s of r.sk and water.

关键词： Fr.eze-Thaw Gelifr.ction Mountain mechanical er.sion Per.glacial geomor.hology Postglacial scenar.os

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Analyzing the sur.ace passiv.ty effect of ger.anium oxynitr.de:a compr.hensiv. appr.ach thr.ugh fir.t pr.nciples simulation and inter.ace state density

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Nuclear.Science and Techniques 2024年第5期35卷 74-84页

作者： Sheng-Jie Du Xiu-Xia Li Yang Tian Yuan-Yuan Liu Ke Jia Zhong-Zheng Tang Jian-Ping Cheng Zhi Deng Yu-Lan Li Zheng-Cao Li sha-sha Lv College of Nuclear.Science and Technology Joint Labor.tor. of Jinping Ultr.‑Low r.diation Backgr.und Measur.ment of Ministr. of Ecology and Env.r.nment Key Labor.tor. of Beam Technology of Ministr. of Education Beijing Normal UniversityBeijing Normal UniversityBeijing 100875China Joint r.sear.h Center Nuctech Company LimitedBeijing 100084China Depar.ment of Engineer.ng Physics Key Laboratory of Particle&Radiation Imaging of Ministry of EducationTsinghua UniversityBeijing 100084China Key Labor.tor. of Adv.nced Mater.als(MOE) School of Materials Science and EngineeringTsinghua UniversityBeijing 100084China

High-pur.ty ger.anium(HPGe)detector.,which ar. used for.dir.ct dar. matter.detection,hav. the adv.ntages of a low thr.shold and excellent ener.y *** sur.ace passiv.tion of HPGe has become cr.cial for.achiev.ng an extr.mely low ener.y *** this study,fir.t-pr.nciples simulations,passiv.tion film pr.par.tion,and metal oxide semiconductor.MOS)capacitor.char.cter.zation wer. combined to study sur.ace *** calculations of the ener.y band str.ctur. of the -H,-OH,and -NH_(2) passiv.tion gr.ups on the sur.ace of Ge wer. per.or.ed,and the inter.ace state density and potential with fiv. differ.nt passiv.tion gr.ups with N/O atomic r.tios wer. accur.tely analyzed to obtain a stable sur.ace *** on the theor.tical calculation r.sults,the sur.ace passiv.tion layer. of the Ge_(2)ON_(2) film wer. pr.par.d v.a magnetr.n sputter.ng in accor.ance with the optimum atomic r.tio *** micr.str.ctur.,C-v.and I-v.electr.cal pr.per.ies of the layer.,and the passiv.tion effect of the Al/Ge_(2)ON_(2)/Ge MOS wer. char.cter.zed to test the inter.ace state *** mean inter.ace state density obtained by the Ter.an method was 8.4×10^(11) cm^(-2) ev.(-1).The pr.cessing of ger.anium oxynitr.gen passiv.tion films is expected to be used in dir.ct dar. matter.detection of the HPGe detector.sur.ace passiv.tion technology to r.duce the detector.leakage cur.ents.

关键词： Sur.ace passiv.tion High pur.ty ger.anium detector Ger.anium nitr.gen oxide Inter.ace state density

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Efficient electr.r.duction of nitr.te v.a enr.ched activ. phases on copper.cobalt oxides

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Chinese Chemical Letter. 2024年第4期35卷 204-209页

作者： Ling Fang sha Wang Shun Lu Fengjun Yin Yujie Dai Lin Chang Hong Liu Chongqing Institute of Gr.en and Intelligent Technology Chinese Academy of SciencesChongqing 400714China Univ.r.ity of Chinese Academy of Sciences Beijing 100049China

Electr.chemical conv.r.ion of nitr.te(NO_(3)~-) to ammonia(NH_(3)) can tar.et two bir.s with one stone well, in NO_(3)^(-)-containing sewage r.mediation and sustainable NH_(3) pr.duction. Howev.r. single metalbased catalysts ar. difficult to dr.v. high-efficient NO_(3)~- r.mov.l due to the multi-electr.n tr.nsfer.***, we pr.sent a tandem catalyst with simple str.ctur., Cu-Co binar. metal oxides(Cu-Co-O), by engineer.ng inter.ediate phases as catalytic activ. species for.NO_(3)~- conv.r.ion. Electr.chemical ev.luation,X-r.y photoelectr.n spectr.scopy, and in situ r.man spectr. together.suggest that the newly-gener.ted Cu-based phases was pr.ne to NO_(3)~- to NO_(2)~- conv.r.ion, then NO_(2)~- was r.duced to NH_(3) on Co-based species. At an applied potential of -1.1 v.v.. satur.ted calomel electr.de, the Cu-Co-O catalyst achiev.d NO_(3)~- -N r.mov.l of 90% and NH_(3) far.daic efficiency of 81% for.120 min in 100 m L of 50 mg/L NO_(3)~- -N,consuming only 0.69 k Wh/mol in a two-electr.de system. This study pr.v.des a facile and efficient engineer.ng str.tegy for.dev.loping high-per.or.ance catalysts for.electr.catalytic nitr.te conv.r.ion.

关键词： NO_(3)^(-)-containing sewage r.mediation Electr.catalytic r.duction Copper.cobalt oxides Tandem r.activ.ty Enr.ched activ. phases

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CoopAI-r.ute: Dr. Empower.d Multi-Agent Cooper.tiv. System for.Efficient QoS-Awar. r.uting for.Networ. Slicing in Multi-Domain SDN

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Computer.Modeling in Engineer.ng & Sciences 2024年第9期140卷 2449-2486页

作者： Meignanamoor.hi Dhandapani v.v.tr.selv. r.Aishwar.a College of Engineer.ng Guindy Anna UniversityChennai600025India

The emer.ence of beyond 5G networ.s has the potential for.seamless and intelligent connectiv.ty on a global *** slicing is cr.cial in deliv.r.ng ser.0}ces for.differ.nt,demanding v.r.ical applications in this ***-gener.tion applications hav. time-sensitiv. r.quir.ments and depend on the most efficient r.uting path to ensur. packets r.ach their.intended ***,the existing IP(Inter.et Pr.tocol)ov.r.a multi-domain networ. faces challenges in enfor.ing networ. slicing due to minimal collabor.tion and infor.ation shar.ng among networ. *** inter.domain r.uting methods,like Bor.er.Gateway Pr.tocol(BGP),cannot make r.uting decisions based on per.or.ance,which fr.quently r.sults in tr.ffic flowing acr.ss congested paths that ar. nev.r.*** addr.ss these issues,we pr.pose CoopAI-r.ute,a multi-agent cooper.tiv. deep r.infor.ement lear.ing(Dr.)system utilizing hier.r.hical softwar.-defined networ.s(SDN).This fr.mewor. enfor.es networ. slicing in multi-domain networ.s and cooper.tiv. communication with v.r.ous administr.tor. to find per.or.ance-based r.utes in intr.-and ***-r.ute employs the Distr.buted Global Topology(DGT)algor.thm to define inter.domain Quality of Ser.0}ce(QoS)***-r.ute uses a Dr. agent with a message-passing multi-agent Twin-Delayed Deep Deter.inistic Policy Gr.dient method to ensur. optimal end-to-end r.utes adapted to the specific r.quir.ments of networ. slicing *** ev.luation demonstr.tes CoopAI-r.ute’s commendable per.or.ance in scalability,link failur. handling,and adaptability to ev.lv.ng topologies compar.d to state-of-the-ar. methods.

关键词： 6G multi-domain multi-agent r.uting Dr. SDN

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Simple collectiv. model for.nuclear.chir.l mode

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Fr.ntier. of physics 2024年第2期19卷 1-5页

作者： r.v.Jolos E.A.Kolganov. D.r.Khamitov. Joint Institute for.Nuclear.r.sear.h 141980 DubnaMoscow regionRussia Dubna State Univ.r.ity 141982 DubnaMoscow RegionRussia

A simple semi-analytical collectiv. model that takes into account the limitations of the v.r.ation inter.0}l of the collectiv. v.r.able is suggested to descr.be the chir.l dynamics in tr.axial odd−odd nuclei with a fixed par.icle−hole *** collectiv. Hamiltonian is constr.cted with the potential ener.y obtained using the postulated ansatz for.the wav. function symmetr.c with r.spect to chir.l *** diagonalizing the collectiv. Hamiltonian the wav. functions of the lowest states ar. obtained and the ev.lution of the ener.y splitting of the chir.l doublets in tr.nsition fr.m chir.l v.br.tion to chir.l r.tation r.gime is demonstr.ted.

关键词： collectiv. model nuclear chir.l

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Deep bed filtr.tion model for.cake filtr.tion and er.sion

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Applied Mathematics and Mechanics(English Edition) 2024年第2期45卷 355-372页

作者： L.I.KUZMINA Y.v.OSIPOv.A.r.PESTEr.v Depar.ment of Applied Mathematics HSE UniversityMoscow 101000Russia Depar.ment of Computer.Science and Applied Mathematics Moscow State University of Civil EngineeringMoscow 129337Russia

Many phenomena in natur. and technology ar. associated with the filtr.tion of suspensions and colloids in por.us media. Two main types of par.icle deposition,namely, cake filtr.tion at the inlet and deep bed filtr.tion thr.ughout the entir. por.us medium, ar. studied by differ.nt models. A unified appr.ach for.the tr.nspor. and deposition of par.icles based on the deep bed filtr.tion model is pr.posed. A v.r.able suspension flow r.te, pr.por.ional to the number.of fr.e por.s at the inlet of the por.us medium, is consider.d. To model cake filtr.tion, this flow r.te is intr.duced into the mass balance equation of deep bed filtr.tion. For.the cake filtr.tion without deposit er.sion,the suspension flow r.te decr.ases to zer., and the suspension does not penetr.te deep into the por.us medium. In the case of the cake filtr.tion with er.sion, the suspension flow r.te is nonzer., and the deposit is distr.buted thr.ughout the entir. por.us medium. An exact solution is obtained for.a constant filtr.tion function. The method of char.cter.stics is used to constr.ct the asymptotics of the concentr.tion fr.nt of suspended and r.tained par.icles for.a filtr.tion function in a gener.l for.. Explicit for.ulae ar. obtained for.a linear.filtr.tion function. The pr.per.ies of these solutions ar. studied in detail.

关键词： deep bed filtr.tion cake filtr.tion por.us medium par.icle deposition and er.sion analytical solution concentr.tion fr.nt

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Neur.genic potential of NG2 in neur.tr.uma:a systematic r.v.ew

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Neur.l r.gener.tion r.sear.h 2024年第12期19卷 2673-2683页

作者： Yur. r.r.go r.dhar.ni Benv.nutti Luis v.Por.ela Nathan r.Str.gulski Depar.amento de Bioquímica Instituto de Ciências Básicas da SaúdeUniversidade Federal do Rio Grande do Sul(UFRGS)Porto AlegreBrazil School of Phar.acy and Biomolecular.Sciences RCSI University of Medicine and Health SciencesDublinIreland School of Biochemistr. and Immunology Trinity Biomedical Sciences InstituteTrinity College DublinUniversity of DublinDublinIreland

r.gener.tiv. appr.aches towar.s neur.nal loss following tr.umatic br.in or.spinal cor. injur. hav. long been consider.d a dogma in neur.science and r.main a cutting-edge ar.a of *** is r.flected in a lar.e dispar.ty between the number.of studies inv.stigating pr.mar. and secondar. injur. as ther.peutic to r.ets in spinal co r. and tr.umatic br.in *** adv.nces in biotechnology may hav. the potential to r.shape the cur.ent state-of-the-ar. and br.ng focus to pr.mar. injur. neur.tr.uma *** studies using neur.l-glial factor.antigen 2(NG2)cells indicate that they may differ.ntiate into neur.ns ev.n in the dev.loped *** these cells show gr.at potential to play a r.gener.tiv. r.le,studies hav. been conducted to test v.r.ous manipulations in neur.tr.uma models aimed at eliciting a neur.genic r.sponse fr.m *** the pr.sent study,we systematically r.v.ewed the exper.mental pr.tocols and findings descr.bed in the scientific liter.tur.,which wer. peer.r.v.ewed or.ginal r.sear.h ar.icles(1)descr.bing pr.clinical exper.mental studies,(2)inv.stigating NG2 cells,(3)associated with neur.genesis and neur.tr.uma,and(4)in v.tr. and/or.in v.v.,av.ilable in PubMed/MEDLINE,Web of Science or.SCOPUS,fr.m 1998 to ***,we hav. r.v.ewed a total of 1504 paper.,and summar.zed findings that ultimately suggest that NG2 cells possess an inducible neur.genic potential in animal models and in *** also discr.minate findings of NG2 neur.genesis pr.moted by differ.nt phar.acological and genetic appr.aches ov.r.functional and biochemical outcomes of tr.umatic br.in injur. and spinal co r. injur. models,and pr.v.de mounting ev.dence for.the potential benefits of manipulated NG2 cell ex v.v. tr.nsplantation in pr.mar. injur. *** findings indicate the feasibility of NG2 cell neur.genesis str.tegies and add new player. in the dev.lopment of ther.peutic alter.ativ.s for.neur.tr.uma.

关键词： neur.l-glial antigen 2 neur.l-glial factor.2 neur.n differ.ntiation NG2 cell r.gener.tion spinal cor. injur.(SCI) tr.umatic br.in injur.(TBI)

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Labor.tor. ev.luation of toxicity of selected insecticides against egg and lar.0}l stages of cotton pink bollwor., Pectinophor. gossypiella (Saunder.) (Lepidopter.: Gelechiidae)

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Jour.al of Cotton r.sear.h 2024年第1期7卷 15-28页

作者： BUSNOOr.Abhishek v. WADASKAr.r.M. FAND Babasaheb B. TAMBE v.J. PILLAI T. MAHULE D.J. NAGr.r. v.S. Pr.SAD Y.G. Entomology Section College of Agriculture(Dr.Panjabrao Deshmukh Krishi Vidyapeeth)Nagpur 440001MaharashtraIndia Indian Council of Agr.cultur.l r.sear.h-Centr.l Institute for.Cotton r.sear.h Nagpur 441108MaharashtraIndia

Backgr.und The cr.ptic natur. of pink bollwor. Pectinophor. gossypiella(Saunder.)lar.0}e enables its r.duced v.l-ner.bility to insecticidal ***,the dev.lopment of r.sistance against Bacillus thur.ngiensis(Bt)toxins posed a ser.ous thr.at to tr.nsgenic cotton *** necessitated deter.ining the cr.tical timing of spr.y applications on the contr.l *** study assessed the influence of egg age(fr.shly laid ***-day-old)and the loca-tion of lar.0}e(dir.ctly exposed to the insecticide r.sidues on the boll r.nd *** inside the bolls)on insecticide contr.l *** The r.sults r.v.aled a significant decr.ase in the ov.cidal activ.ty of tested insecticides with an incr.ase in the age of eggs fr.m one day old to thr.e days old(pair.d t-test,Pr.0}e dir.ctly exposed to the insec-ticide r.sidues on the boll r.nd wer. mor. susceptible(>80%mor.ality)than the lar.0}e exposed after.they had bur.r.wed inside the bolls(r.ality).The inhibitor. effects of tested insecticides on dev.lopmental biology wer. mor. pr.nounced in the exper.ment on pr.-lar.0}l r.lease insecticide tr.atment compar.d with insecticide tr.atment giv.n post-lar.0}l r.lease and entr. inside the *** Egg age influences the insecticide susceptibility,as does the lar.0}l location,dir.ctly exposed v. bur.r.wed inside the *** eggs and the lar.0}e that had bur.owed inside the gr.en bolls of cotton wer. r.lativ.ly less susceptible to the insecticide *** toxic effects of insecticides on egg and lar.0}l stages wer. pr.mar.ily *** findings ar. significant for.dev.sing a compr.hensiv. str.tegy for.pink bollwor. management on a sustainable basis.

关键词： Bioefficacy Cotton Insecticides Pink bollwor. Pectinophor. gossypiella Timings of spr.y

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Antibacter.al HA-coatings on bior.sor.able Mg alloy

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Jour.al of Magnesium and Alloys 2024年第5期12卷 1965-1985页

作者： K.v.Nadar.ia D.v.Mashtalyar.M.A.Piatkov. A.I.Pleshkov. I.M.Imshinetskiy M.S.Ger.simenko E.A.Belov.v.v.Kumeiko D.N.Kozyr.v.K.A.Fomenko v.v.Mostov.ya B.r.Tor.anov.A.r.Biktimir.v.I.S.Osmushko S.L.Sinebr.ukhov.S.v.Gnedenkov Institute of Chemistr. FEB r.S 159 Pr.100-letiya VladivostokaVladivostok 690022Russia Far.Easter. Feder.l Univ.r.ity 10 Ajax BayRussky IslandVladivostok 690922Russia A.v.Zhir.unsky National Scientific Center.of Mar.ne Biology FEB r.S 17 St.PalchevskogoVladivostok 690041Russia r.gional Clinical Der.atov.ner.logical Dispensar. 18 V St.GamarnikaVladivostok 690033Russia NMIC“Tr.atment and r.habilitation Center. 3 Ivankovskoe highwayMoscow 125367Russia

In this study,a calcium-phosphate coating was for.ed on a Mg-Mn-Ce alloy by the plasma electr.lytic oxidation(PEO).The antibiotic v.ncomycin,widely used in the tr.atment of infections caused by Staphylococcus aur.us(***),was impr.gnated into the *** with v.ncomycin showed high bacter.cidal activ.ty against *** mechanical and electr.chemical pr.per.ies of the for.ed coatings wer. studied,as well as in v.tr. cytotoxicity tests and in v.v. tests on matur. male r.ts wer. *** to SEM,EDS,Xr. and XPS data,coatings had a dev.loped mor.hology and contained hydr.xyapatite,which indicates high *** analysis of r.ughness of coatings without and with v.ncomycin did not r.v.al any differ.nces,confir.ing the high r.ughness of the *** electr.chemical tests,an incr.ase in cor.osion r.sistance by mor. than two times after.the application of PEO coatings was *** to the r.sults of an in v.v. study,after.28 days of the implantation of samples with calcium phosphate PEO coating and v.ncomycin,no signs of inflammation wer. obser.0}d,while an inflammator. r.action dev.loped in the ar.a of implantation of bar. alloy,followed by *** r.lease tests fr.m the coatings show a shar. decr.ase in the concentr.tion of the r.leased antibiotic on day 7 and then a gr.dual decr.ase until day *** the exper.ment,no significant dev.ations in the condition and behav.or.of the animals wer. obser.0}d;clinical tests did not r.v.al a systemic toxic r.action.

关键词： Bioactiv. coatings Biocompatibility Mg alloy Plasma electr.lytic oxidation Hydr.xyapatite v.ncomycin

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SANC Monte Car.o pr.gr.ms for.small-angle Bhabha scatter.ng

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Chinese Physics C 2024年第4期48卷 14-19页

作者： A.B.Ar.uzov.S.G.Bondar.nko I.r.Boyko L.v.Kalinov.kaya A.A.Kampf r.r.Sadykov.v.L.Yer.olchyk Bogoliubov.Labor.tor. of Theor.tical Physics JINRDubna141980 Russia Dzhelepov.Labor.tor. of Nuclear.Pr.blems JINRDubna141980 Russia Dubna State Univ.r.ity Dubna141982 Russia

Luminosity monitor.ng at e^(+)e^(−)collider. was inv.stigated using SANC Monte Car.o ev.nt gener.tor.r.neSANCe and integr.tor.MCSANC for.simulation of Bhabha scatter.ng at low *** ar. pr.sented for.center.of-mass ener.ies of the Z boson r.sonance and at 240 Gev.for.the conditions of typical luminosity *** is shown that br.msstr.hlung ev.nts with extr.mely low electr.n scatter.ng angles ar. r.lev.nt to match the pr.cision tags of futur. electr.n-positr.n collider..

关键词： luminosity Bhabha scatter.ng QED Monte Car.o simulation

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