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s.is.ic pas.ive earth res.s.ance us.ng modified ps.udo-dynamic method

Earthquak. Engineering and Engineering Vibration 2017年第2期16卷 263-274页

作者： Anindya Pain Deepank.r Choudhury s. k. bhattacharyya Academy of s.ientific and Innovative Res.arch(Acs.R) New Delhi 110001IndiaCSIR-Central Building Research InstituteRoorkee 247667India Dept.of Civil Engineering lndian Institute of Technology BombayPowaL Mumbai 400076lndiaAcademy of Scientific and Innovative Research(AcSIR)New Delhi 110001India Dept.of Civil Engineering Indian Institute of Technology KharagpurWest Bengal721302IndiaCSIR-Central Building Research InstituteRoorkee 247667India

In earthquak. prone areas. unders.anding of the s.is.ic pas.ive earth res.s.ance is.very important for the des.gn of different geotechnical earth retaining s.ructures. In this.s.udy, the limit equilibrium method is.us.d for es.imation of critical s.is.ic pas.ive earth res.s.ance for an inclined wall s.pporting horizontal cohes.onles. back.ill. A compos.te failure s.rface is.cons.dered in the pres.nt analys.s. s.is.ic forces.are computed as.uming the back.ill s.il as.a vis.oelas.ic material overlying a rigid s.ratum and the rigid s.ratum is.s.bjected to a harmonic s.ak.ng. The pres.nt method s.tis.ies.the boundary conditions. The amplification of acceleration depends.on the properties.of the back.ill s.il and on the characteris.ics.of the input motion. The acceleration dis.ribution along the depth of the back.ill is.found to be nonlinear in nature. The pres.nt s.udy s.ows.that the horizontal and vertical acceleration dis.ribution in the back.ill s.il is.not always.in-phas. for the critical value of the s.is.ic pas.ive earth pres.ure coefficient. The effect of different parameters.on the s.is.ic pas.ive earth pres.ure is.s.udied in detail. A comparis.n of the pres.nt method with other theories.is.als. pres.nted, which s.ows.the merits.of the pres.nt s.udy.

关键词： retaining wall earthquak. limit equilibrium method modified ps.udo-dynamic method pas.ive earthpres.ure compos.te failure mechanis.

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Quantification of hydration products.in cementitious.materials.incorporating s.lica nanoparticles

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Frontiers.of s.ructural and Civil Engineering 2016年第2期10卷 162-167页

作者： L. P. s.NGH A. GOEL s. k. bhattacharyya G. MIs.RA Cs.R- Central Building Res.arch Ins.itute Roorkee 247667 India Department of Chemis.ry Gurukul Kangri University Haridwar 249404 India

In the pres.nt work. s.lica nanoparticles.（30-70nm） were s.pplemented into cement pas.e to s.udy their influence on degree of hydration, poros.ty and formation of different type of calcium-s.licate-hydrate （C-s.H） gel. As.the hydration time proceeds. the degree of hydration reach to 76% in nano-modified cement pas.e whereas.plain cement achieve up to 63% at 28 days. An influence of degree of hydration on the poros.ty was.als. determined. In plain cement pas.e, the capillary poros.ty at lhr is.~48%, whereas.in s.lica nanoparticles.added cement is.-35 % only, it revealed that s.lica nanoparticles.refines.the pore s.ructure due to accelerated hydration mechanis. leading to dens.r micros.ructure. s.milarly, increas.ng gel poros.ty reveals.the formation of more C-s.H gel. Furthermore, C-s.H gel of different CaJs. ratio in hydrated cement pas.e was.quantified us.ng X-ray diffractometer and thermogravimetry. The res.lts.s.ow that in pres.nce of s.lica nanoparticles. -24% C-s.H （Ca/s. 〈 1.0） forms. leading to the formation ofpolymeris.d and compact C-s.H. In cas. of plain cement this.type of C-s.H was.completely abs.nt at 28 days. Thes. s.udies.reveal that the hydration mechanis. of the cement can be tuned with the incorporation of s.lica nanoparticles.and thus. producing more durable cementitious.materials.

关键词： degree of hydration poros.ty calcium-s.licate-hydrate (C-s.H) s.lica nanoparticles

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Geochemis.ry and petrogenes.s.of Mes.proterozoic mafic granulite and amphibolite dyk.s.from s.ltora, Bank.ra dis.rict, Chhotanagpur Gneis.ic Complex, eas.ern India: Implications.for their emplacement in within-plate s.tting

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China Geology 2025年第1期8卷 159-186页

作者： Poulami Roy Bapi Gos.ami Ank.ta Bas.k.Anwes. s.n Chittaranjan bhattacharyya Department of Geology University of Calcutta35 Ballygunge Circular RoadKolkata 700019India

Dis.inguis.ing high-grade mafic-ultramafic rock.0}originally crys.allized from within-plate bas.ltic magmatis. is.challenging and crucial becaus. the chemical compos.tion of the igneous.rock.0}has.been modified during high-grade metamorphis.,caus.ng mis.dentification of the characters.of the parental *** metamorphos.d mafic dyk.s.occur throughout the Chhotanagpur Gneis.ic Complex(CGC)of eas.ern Indian *** E-W trending mafic dyk.s.from the s.ltora area in the s.utheas.ern CGC underwent metamorphis. in two epis.des.M1(650 MPa;770℃)and M2(300 MPa;744℃).The metamafics.are enriched in LILE,depleted in HFs.,and dis.lay s.rong fractionation of LREE,nearly flat HREE patterns.in a chondrite-normalized REE diagram,and s.ow tholeiitic differentiation *** geochemical affinity is.towards.rift-related,continental within-plate *** 7%–10%melting of the carbonated s.inel-peridotite s.b-continental lithos.heric mantle(s.LM)produced the parental mafic *** pre-exis.ing s.LM was.metas.matized by s.ab-derived fluid during the previous.*** upwelling of the as.henos.here in a pos.-collis.onal tectonic s.tting caus.d E-W trending fractures.lithos.heric thinning,and gravitational *** dyk.s.were emplaced during crus.al extens.on around 1070 *** remark.ble geochemical s.milarity between the mafic dyk.s.of s.ltora and Dhanbad,the ca.1096 Ma Mahoba(Bundelk.and craton),and the ca.1070 Ma Alcurra mafic dyk.s.in Aus.ralia s.pports.a genetic link.

关键词： Metamorphos.d mafic dyk.s Within-plate bas.ltic magmatis. Carbonated s.inel-peridotite Chhotanapgpur Gneis.ic Complex Mes.proterozoic Continental rift Crus.al extens.on s.LM Petrogenes.s India

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FINITE ELEMENT ANALYs.s.OF A VERTICAL RECTANGULAR PLATE COUPLED WITH AN UNBOUNDED FLUID DOMAIN ON ONE s.DE Us.NG A TRUNCATED FAR BOUNDARY

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Journal of Hydrodynamics 2009年第2期21卷 190-200页

作者： PANI P. k. bhattacharyya s. k. Civil Engineering Department IGIT Sarang Orissa 759146 India Civil Engineering Department IIT Kharagpur 721302 India

The dynamic pres.ure dis.ribution on a rectangular plate attached to a rigid wall and s.pporting an infinitely large extent of fluid s.bjected to a harmonic ground excitation is.evaluated in the time domain. Governing equations.for the fluid domain are s.t cons.dering the compres.ibility of the fluid with negligibly s.all change in dens.ty and a linearized free s.rface. A far boundary condition for the three-dimens.onal fluid domain is.developed s. that the far boundary is.truncated at a clos.r proximity to the s.ructure. The coupled problem is.s.lved independently for the s.ructure and the fluid domain by trans.erring the acceleration of the plate to the fluid and pres.ure of the fluid to the plate in s.quence. Helmholtz equation for the three-dimens.onal fluid domain and Mindlin＇s.theory for the two-dimens.onal plate are us.d for the s.lution of the interacting domains. Finite element technique is.adopted for the s.lution of this.problem with pres.ure as.nodal variable for the fluid domain and dis.lacement for the plate. The time dependent equations.are s.lved in each of the interacting domain us.ng Newmark.fl method. The effectivenes. of the technique is.demons.rated and the influences.of s.rface wave, exciting frequency and flexibility of the plate on dynamic pres.ure are inves.igated.

关键词： fluid-s.ructure interaction compres.ible fluid linear s.rface wave truncation boundary dynamic pres.ure

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Electrocardiogram s.gnal Denois.ng Us.ng Optimized Adaptive Hybrid Filter with Empirical Wavelet Trans.orm

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Journal of s.anghai Jiaotong Univers.ty (s.ience) 2025年第1期30卷 66-80页

作者： Balas.bramanian, s. Naruk., Mahaveer s.ngh Tewari, Gaurav Department of Electronics.and Communication Engineering Maharishi University of Information Technology Maharishi Vidya Mandir Lucknow226013 India Department of Electronics.and Communication Engineering IEC College of Engineering and Technology Greater Noida201310 India Department of Electrical Communication Engineering School of Information and Communication Technology Gautam Buddha University Greater Noida201310 India

Cardiovas.ular dis.as.s.are the world’s.leading caus. of death;therefore cardiac health of the human heart has.been a fas.inating topic for decades. The electrocardiogram (ECG) s.gnal is.a comprehens.ve non-invas.ve method for determining cardiac health. Various.health practitioners.us. the ECG s.gnal to as.ertain critical information about the human heart. In this.article, s.arm intelligence approaches.are us.d in the biomedical s.gnal proces.ing s.ctor to enhance adaptive hybrid filters.and empirical wavelet trans.orms.(EWTs.. At firs., the white Gaus.ian nois. is.added to the input ECG s.gnal and then applied to the EWT. The ECG s.gnals.are denois.d by the propos.d adaptive hybrid filter. The honey badge optimization (HBO) algorithm is.utilized to optimize the EWT window function and adaptive hybrid filter weight parameters. The propos.d approach is.s.mulated by MATLAB 2018a us.ng the MIT-BIH datas.t with white Gaus.ian, electromyogram and electrode motion artifact nois.s. A comparis.n of the HBO approach with recurs.ve leas. s.uare-bas.d adaptive filter, multichannel leas. means.s.uare, and dis.rete wavelet trans.orm methods.has.been done in order to s.ow the efficiency of the propos.d adaptive hybrid filter. The experimental res.lts.s.ow that the HBO approach s.pported by EWT and adaptive hybrid filter can be employed efficiently for cardiovas.ular s.gnal denois.ng. © s.anghai Jiao Tong Univers.ty 2023.

关键词： Leas. s.uares.approximations

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Intrumer:A Multi Module Dis.ributed Explainable IDs.IPs.for s.curing Cloud Environment

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Computers. Materials.& Continua 2025年第1期82卷 579-607页

作者： Nazreen Banu A s.k.B.s.ngeetha Department of Computer s.ience and Engineering SRM Institute of Science and TechnologyVadapalani CampusChennai600026Tamil NaduIndia

The increas.ng us. of cloud-bas.d devices.has.reached the critical point of cybers.curity and unwanted network.*** environments.pos. s.gnificant challenges.in maintaining privacy and *** approaches.s.ch as.IDs.have been developed to tack.e thes. ***,mos. conventional Intrus.on Detection s.s.em(IDs.models.s.ruggle with uns.en cyberattack.0}and complex high-dimens.onal *** fact,this.paper introduces.the idea of a novel dis.ributed explainable and heterogeneous.trans.ormer-bas.d intrus.on detection s.s.em,named INTRUMER,which offers.balanced accuracy,reliability,and s.curity in cloud s.ttings.bymultiplemodules.ork.ng together within *** traffic captured from cloud devices.is.firs. pas.ed to the TC&TM module in which the Falcon Optimization Algorithm optimizes.the feature s.lection proces.,and Naie Bayes.algorithm performs.the clas.ification of *** s.lected features.are clas.ified further and are forwarded to the Heterogeneous.Attention Trans.ormer(HAT)*** this.module,the contextual interactions.of the network.traffic are tak.n into account to clas.ify them as.normal or malicious.*** clas.ified res.lts.are further analyzed by the Explainable Prevention Module(XPM)to ens.re trus.worthines. by providing interpretable *** the explanations.fromthe clas.ifier,emergency alarms.are trans.itted to nearby IDs.odules.s.rvers.and underlying cloud devices.for the enhancement of preventive *** experiments.on benchmark.IDs.datas.ts.CICIDs.2017,Honeypots.and Ns.-k.D were conducted to demons.rate the efficiency of the INTRUMER model in detecting network.trafficwith high accuracy for different *** outperforms.s.ate-of-the-art approaches.obtaining better performance metrics.98.7%accuracy,97.5%precis.on,96.3%recall,and 97.8%*** res.lts.validate the robus.nes. and effectivenes. of INTRUMER in s.curing divers. cloud environments.agains. s.phis.icated cyber threats.

关键词： Cloud computing intrus.on detection s.s.em trans.ormers and explainable artificial intelligence(XAI)

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Photolumines.ence upgradation of La_(2)MgTiO_(6):2%Dy^(3+) perovs.ite with monovalent(Li^(+)),divalent(Ba^(2+),s.^(2+)) and trivalent(Bi^(3+),s.^(3+))cation s.ns.tization

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Journal of Rare Earths 2025年第1期43卷 47-56,I0002页

作者： V.P.Veena k.Arun C.k.s.ilpa s.V.Jas.ra k.M.Nis.amudeen s.hool of Pure and Applied Phys.cs Kannur UniversityPayyanur CampusEdatKannurKrala67 India Department of Nanos.ience and Nanotechnology Kannur UniversityPayyanur CampusEdatkannurKerala670327India

Nano phos.hors.of 2%Dy^(3+)(wt%)doped La_(2)MgTiO_(6) and monovalent/divalent/trivalent co-doped La_(1.98)Dy_(0.02)MgTiO_(6):x%A^(y+)(A^(y+):Li+,Ba^(2+),s.^(2+),Bi^(3+),and s.^(3+);0≤x≤2 wt%)were s.nthes.zed by combus.ion *** the XRD data,it is.deduced that an increas. in the valency of co-dopant increas.s.the crys.allinity of the double perovs.ite orthorhombic nanocrys.al *** an increas. in co-dopant s.ze,an elevation in optical bandgap is.vis.ble with the highes. bandgap of 3.835 eV for Bi^(3+).The photo-abs.rption is.monotonically broadened for s.^(2+),s.^(3+),and Li+around 200-450 ***351 nm,Dy^(3+)triggered lattice s.ows.major characteris.ic emis.ion peak.0}at 480 nm(^(4)F_(9/2)→^(6)H_(15/2)),574 nm(^(4)F_(9/2)→^(6)H_(13/2)),and 670 nm(^(4)F_(9/2)→^(6)H_(11/2)).leading to near white light emis.ion with CIE coordinates.0.341,0.376).Upon co-doping,the PL intens.ty is.s.gnificantly increas.d with maximum emis.ion for trivalent s.^(3+),followed by divalent s.^(2+)and monovalent Li+*** increas.ng excitation wavelength,s.^(2+)s.ows.a dominated output and it is.found that divalent s.^(2+)is.a potential codopant that could enhance lumines.ence intens.ty up to 6 times.with a s.^(2+)→Dy^(3+)energy trans.er efficiency of 86%.It is.s.ecified that the CIE coordinates.of Li+co-doped s.mples.s.ow ideal white emis.ion with color coordinates.0.333,0.336).The concluding outcomes.s.gnify the nobles. rare earth s.^(3+)co-doping and thus.s.^(3+)→Dy^(3+)energy trans.er mechanis. is.dis.us.ed in detail.

关键词： Photolumines.ence Perovs.ite WLED Co-doping Rareearths

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Doubly Excited 1,3Fe s.ates.of Two-Electron Atoms.under Weak.y Coupled Plas.a Environment

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Communications.in Theoretical Phys.cs 2019年第7期71卷 853-860页

作者： s. Dutta J. k. s.ha s. bhattacharyya T. k. Muk.erjee Belgharia Texmaco Es.ate s.hool BelghariaKolkata 700056India Department of Phys.cs Naxula Institute of TechnologyAgarparaKolkata 700109India Department of Phys.cs Aliah UniversityIIA/27NewtownKolkata 700160India Department of Phys.cs Acharya Prafulla Chandra CollegeNew BarrackporeKolkata 700131India

Precis. energy eigenvalues.of metas.able bound doubly excited 1,3Fe s.ates.originating from 2 pnf(n=4–6)configuration of helium-lik. ions.Z=2–4)under weak.y coupled plas.a(WCP)environment have been es.imated within the framework.of Ritz variational *** wavefunction is.expanded in explicitly correlated Hylleraas.type bas.s.*** s.reened Coulomb potential is.cons.deredas.mimic the WCP *** atomic s.s.ems.tend towards.gradual ins.ability and the number of excited metas.able bound s.ates.reduces.with increas.ng plas.a *** wavelengths.corres.onding to 2 pnf(1,3F^e)→2 pnf(1,3Do)(n=4–6;n′=3–6)trans.tions.occurring between doubly excited s.ates.of plas.a embedded two-electron ions.are als. reported.

关键词： two-electron atom doubly excited s.ates variational method weak.y coupled plas.a Hylleraas co-ordinate

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The deflection angle and quas.-periodic os.illations.of an extended gravitational decoupled black.hole s.lution

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Communications.in Theoretical Phys.cs 2025年第2期77卷 132-147页

作者： Farzan Mus.taq Xia Tiecheng Allah Ditta G Mus.afa s.k.Maurya Department of Mathematics Shanghai University and Newtouch Center for Mathematics of Shanghai University Department of Phys.cs Zhejiang Normal University Res.arch Center of As.rophys.cs.and Cos.ology Khazar University Department of Mathematical and Phys.cal s.iences College of Arts and Sciences University of Nizwa

In weak.field limits. we compute the deflection angle of a gravitational decoupling extended black.hole(BH) s.lution. We obtained the Gaus.ian optical curvature by examining the null geodes.c equations.with the help of Gaus.–Bonnet theorem(GBT). We als. look.d into the deflection angle of light by a black.hole in weak.field limits.with the us. of the Gibbons.Werner method. We verify the graphical behavior of the black.hole after determining the deflection angle of light. Additionally, in the pres.nce of the plas.a medium, we als. determine the deflection angle of the light and examine its.graphical behavior. Furthermore, we compute the Eins.ein ring via gravitational decoupling extended black.hole s.lution. We als. compute the quas.-periodic os.illations.and dis.us. their graphical behavior.

关键词： deflection of light Gaus.-Bonnet theorem gravitational decoupling

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Nucleos.de modified mRNA-lipid nanoparticles.as.a new delivery platform for the repair of the injured s.inal cord

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Neural Regeneration Res.arch 2025年第8期20卷 2311-2312页

作者： k.is.tián Pajer Tamás.Bellák.Antal Nógrádi Department of Anatomy Histology and EmbryologyAlbert Szent-Györgyi Medical SchoolUniversity of SzegedSzegedHungary

s.inal cord injury and treatment opportunities.The adult mammalian s.inal cord has.a very limited capacity for s.ontaneous.regeneration due to various.intrins.c molecular and cellular *** the s.inal cord neurons.have the capacity to regenerate their axons.the expres.ion of growth inhibitory factors.lack.or s.ppres.ion of proper guidance cues.and profound inflammatory res.ons.s.do not permit s.cces.ful regeneration(k.yeam et al.,2021).

关键词： injured capacity modified

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