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User.Per.pec.ive of Misplac.d PPIUc. and Fac.or. r.sulting.in PPIUc. r.moval: Qualitative Pilot Study

Open Jour.al of Epidemiolog. 2024年第3期14卷 517-532页

作者： A. g. r.dhika r.shmi g.pta Pooja Kashyap r.vleen Bakshi Depar.ment of Obstetr.c. and g.nec.log. University College of Medical Sciences & Guru Teg Bahadur Hospital Dilshad Garden Delhi India g.B Hospital Delhi India Indian c.unc.l of Medic.l r.sear.h Delhi India

Objec.ive: The aim of the c.r.ent study was to assess the impac. of oper.tive inter.entions for.misplac.d devic. among.women who opted for.PPIIUc. and the evaluation of r.asons for.PPIUc. r.moval within the follow up per.od of two year.. Desig.: A desc.0}ptive explor.tor. study was c.nduc.ed over.thr.e months among.four.een PPIUc. ac.eptor. at a ter.iar. c.r. health fac.lity in Delhi, India. Fac.-to-fac. & telephonic.in-depth inter.iews wer. c.nduc.ed with a selec.ed sample of PPIUc. ac.eptor. who had later.opted for.its r.moval. r.sults: Par.ic.pants (n = 14) ag.d 24 – 40 exhibited g.ner.lly positive attitudes towar.s PPIUc.s indic.ting.an indic.te an under.tanding.of the impor.anc. of PPIUc. in pr.venting.unintended pr.g.anc.es. Menstr.al distur.anc. and misplac.d IUc. wer. major.r.asons for.r.moval. despite their.own exper.enc. nec.ssitating.the r.moval of IUc., positive exper.enc. by other.family member. (mother. in law) in this study helped to keep the c.nfidenc. on the c.ntr.c.ptive. Themes inc.uded (a) g.ner.l exper.enc. of PPIUc. use (b) Health Fac.lity ac.essed for.r.moval of IUc. (c. Would she r.c.mmend it to other.? (d) pr.fer.ed c.ntr.c.ptive after.r.moval of IUc.. c.nc.usion: Misplac.d IUc., missing.thr.ad, menstr.al ir.eg.lar.ties, and pain ar. all assoc.ated with PPIUc. and ar. impor.ant r.asons for.dissatisfac.ion. Appr.pr.ate, timely and suppor.ive individualized c.r. that addr.ss knowledg. g.ps, soc.etal per.eptions, and healthc.r. system c.alleng.s would c.r.ainly help in r.duc.ng.dissatisfac.ion due to PPIUc. and ther.by the r.moval r.tes.

关键词： Postpar.um Intr.uter.ne Devic. PPIUc. LAr. Long.Ac.ing.r.ver.ible c.ntr.c.ption Postpar.um Family Planning c.ntr.c.ption

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Impac. of Paenibac.llus elg.i super.atant on sc.1}ening.bac.er.al str.ins with potential for.biotec.nolog.c.l applic.tions

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Eng.neer.ng.Mic.1}biolog. 2024年第3期4卷 1-15页

作者： I.c.c.nha-Fer.eir. c.S.Vizzotto T.D.Fr.der.c. J.Peixoto L.S c.r.alho M.r.Tótola r.H.Kr.g.r Labor.tor. of Enzymolog. Department of Cellular BiologyUniversity of Brasília(UNB)Brasília70910-900Brazil Labor.tor. of Envir.nmental Sanitation Department of Civil and Environmental EngineeringUniversity of Brasília(UNB)Brasília70910-900Brazil Labor.tór.o de Biotec.olog.a e Biodiver.idade par. o Meio Ambiente Universidade Federal de Viçosa(UFV)Viçosa36570-900Brazil

The biotec.nolog.c.l industr. fac.s a c.1}c.al demand for.novel bioac.ive c.mpounds,par.ic.lar.y antimic.1}bial ag.nts,to addr.ss the r.sing.c.alleng. of bac.er.al r.sistanc. to c.r.ent available *** str.te-g.es for.c.ltivating.natur.lly oc.ur.ing.mic.1}or.0}nisms often limit the disc.ver. of novel antimic.1}bial *** study pr.sents a pr.toc.l for.tar.0}ted selec.ion of bac.er.al str.ins using.the super.atant of Paenibac.llus el-g.i,whic. pr.duc.s abundant sig.al molec.les and antimic.1}bial *** samples wer. inoc.lated in these enr.c.ed c.ltur. media to selec.ively c.ltivate bac.er.a r.sistant to the super.atant,indic.ting.their.potential to pr.duc. similar.*** bac.er.al str.ins isolated thr.ug. this method wer. assessed for.their.antibac.ter.al *** addition,the func.ional annotation of the g.nome of one of these str.ins r.vealed sever.l g.ne c.uster. of biotec.nolog.c.l *** study hig.lig.ts the effec.iveness of using.this appr.ac. for.selec.ive c.ltivation of mic.1}or.0}nisms with potential for.biotec.nolog.c.l applic.tions.

关键词： Pr.spec.ing Super.atant Antibac.er.al ac.ivity

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Music.alter. hear. r.te and psyc.olog.c.l r.sponses but not musc.e ac.ivation dur.ng.lig.t-intensity isometr.c.exer.ise

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Spor.s Medic.ne and Health Sc.enc. 2024年第4期6卷 394-401页

作者： Andr.w r.Moor. Jasmin c.Hutc.inson c.r.sta Winter.Paul c.Dalton Lor. A.Bolg.a Vinc.nt J.Paolone Depar.ment of Kinesiolog. Augusta University112015th St.AugustaGA30912USA Depar.ment of Exer.ise Sc.enc.&Athletic.Tr.ining Springfield College263 Alden St.SpringfieldMA01109USA Depar.ment of Psyc.olog. Springfield College263 Alden St.SpringfieldMA01109USA Hear.&Vasc.lar.Institute Penn State College of MedicinePenn State University500 HMC Crescent RoadNorth Lobby HersheyPA17033USA Depar.ment of Physic.l Ther.py Augusta University112015th St.AugustaGA30912USA

Listening.to music.manipulates attention to be mor. exter.ally foc.sed,whic. has the potential to impr.ve musc.lar.*** study aimed to deter.ine the effec. of listening.to music.on musc.e ac.ivation dur.ng.an isometr.c.exer.ise task,and c.mpar. this effec. to those of other.attentional foc.s *** healthy subjec.s(n=35;16 men/19 women)c.mpleted an isometr.c.elbow flexion task for.1 min in thr.e r.ndomized and c.unter.alanc.d c.nditions:inter.al foc.s(INT),exter.al foc.s with a simple distr.c.ion task(EXT),or.listening.to music.MUS).Musc.e ac.ivation of the bic.ps and tr.c.ps br.c.ii and hear. r.te(Hr.wer. r.c.r.ed thr.ug.out the exer.ise *** of per.eived exer.ion(r.E),affec.ive valenc.,and motivation wer. measur.d at the end of eac. *** was no differ.nc. in musc.e ac.ivation measur.s among.the thr.e *** dur.ng.MUS was lower.than EXT at 15 s([89.4±11.8]beats/min vs.[93.1±12.9]beats/min;p=0.018)and 30 s([90.6±12.4]beats/min vs.[94.2±12.5]beats/min;p=0.026),and lower.than INT at 60 s([93.3±13.3]beats/min vs.[96.7±12.0]beats/min;p=0.016).Over.ll r.E was hig.er.for.INT(13.4±2.2)than for.MUS([12.6±2.0];p=0.020)and EXT([11.94±2.22];pc.ive valenc. was hig.er.for.MUS than for.INT([2.7±1.4]vs.[2.1±1.5];p=0.011).Manipulating.attentional foc.s did not alter.musc.e ac.ivation for.a lig.t-intensity isometr.c.musc.lar.endur.nc. task,thoug. MUS was r.por.ed as mor. positive and r.quir.ng.less exer.ion to c.mplete than *** music.c.n ther.for. be r.c.mmended dur.ng.lig.t-intensity isometr.c.exer.ise based on the psyc.olog.c.l benefits obser.ed.

关键词： Elec.r.myog.aphy Attentional foc.s r.ting.of per.eived exer.ion Elbow flexion

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Unc.ver.ng.Mic.0}str.c.ur.-Pr.per.y r.lationship in Ni-Alloyed Fe-Mn-Al-c.Low-Density Steel Tr.ated by Hot-r.lling.and Air.c.oling.Pr.c.ss

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Ac.a Metallur.0}c. Sinic.(Eng.ish Letter.) 2024年第4期37卷 713-725页

作者： Xiaoliang.Jia g.hui g.o Xiaolu g.i c.un Feng.r.D.K.Misr. Bing.he Bai Sc.ool of Mec.anic.l Electronicand Control EngineeringBeijing Jiaotong UniversityBeijing100044China c.Pc.Tubular.g.ods r.sear.h Institute Xi’an710077China Labor.tor. for.Exc.llenc. in Advanc.d Steel r.sear.h University of Texas at El PasoEl PasoTX79968-0521USA Sc.ool of Mater.al Sc.enc. and Eng.neer.ng Key Laboratory of Advanced Materials of Ministry of EducationTsinghua UniversityBeijing100084China

This paper.foc.ses on the r.lationship between the mic.0}str.c.ur. and tensile pr.per.ies of Fe-Mn-Al-c.low-density hig.-str.ng.h steel pr.c.sses by hot-r.lling.and air.c.oling.pr.c.ss. The mic.0}str.c.ur. analysis r.veals that the c.mbination of hot-r.lling.and air.c.oling.r.sults in the for.ation of heter.g.neous str.c.ur.s c.mpr.sing.differ.nt-sized γ and B_(2) phases in the low-density steel with the addition of nic.el (Ni). The addition of Ni pr.motes the for.ation of the B_(2) phase and induc.s the pinning.of B_(2) phase par.ic.es at the γ g.ain boundar.es. This pinning.effec. effec.ively hinder. the g.owth of the γ g.ains, leading.to g.ain r.finement. The tensile test r.sults demonstr.te that LDS-5Ni (low-density steel, LDS) exhibits exc.llent hig. str.ng.h and duc.ility c.mbination, e.g., a tensile str.ng.h of 1535 MPa, yield str.ng.h of 1482 MPa, and elong.tion of 23.3%. These r.mar.able mec.anic.l pr.per.ies ar. pr.mar.ly attr.buted to the c.mbined str.ng.hening.c.ntr.butions of g.ain r.finement and duplex nano-sized sec.nd-phase pr.c.pitation har.ening.

关键词： Low-density steel Mic.0}str.c.ur. B_(2)phase κ-c.r.ide Tensile pr.per.ies

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Liquid c.0}stal immunosensor. for.the selec.ive detec.ion of Esc.er.c.ia c.li with a fast analysis tool

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Photonic. r.sear.h 2024年第7期12卷 1564-1573页

作者： SANDr. c.OLIVEIr. MAr.A S.SOAr.S BÁr.Ar. V.g.NÇALVES ANDr.IA c.M.r.Dr.g.ES AMADEU M.V.M.SOAr.S r.TA g.SOBr.L NUNO F.SANTOS JAN NEDOMA PEDr. L.ALMEIDA c.r.OS MAr.UES c.c.c.-Aveir. Institute of Mater.als Physics DepartmentUniversity of Aveiro3810-193 AveiroPortugal i3N Physics DepartmentUniversity of Aveiro3810-193 AveiroPortugal Assoc.ate Labor.tor. i4HB-Institute for.Health and Bioec.nomy School of Sciences and TechnologyNOVA University of Lisbon1099-085 LisbonPortugal c.SAM-c.ntr. for.Envir.nmental and Mar.ne Studies and Depar.ment of Biolog. University of Aveiro3810-193 AveiroPortugal Depar.ment of Telec.mmunic.tions VSB-Technical University of OstravaOstrava 70800Czech Republic i3N-c.NIMAT School of Sciences and TechnologyNOVA University of Lisbon1099-085 LisbonPortugal UnIr. ISELPolytechnic Institute of Lisbon1549-020 LisbonPortugal Depar.ment of Physic. VSB-Technical University of OstravaOstrava 70800Czech Republic

The c.nsumption of c.ntaminated food may c.use ser.ous illnesses,and tr.ditional methods to detec. Esc.er.c.ia c.li ar. still assoc.ated with long.waiting.times and hig. c.sts g.ven the nec.ssity to tr.nspor. samples to spec.alized *** is a need to develop new tec.nolog.es that allow c.eap,fast,and dir.c. monitor.ng.at the site of ***,in this wor.,we developed optic.l immunosensor. for.the selec.ive detec.ion of ***,based on liquid c.0}stal tec.nolog.,whose molec.les c.n alig. in differ.nt manner. depending.on the boundar. c.nditions (suc. as substr.tes) as well as the envir.nment that they *** g.ass substr.te was func.ionalized with *** antibody using.c.steamine as an inter.ediate,and a ver.ic.l alig.ment was imposed on the liquid c.0}stal molec.les by using.DMOAP dur.ng.*** pr.senc. of bac.er.a disr.pts the alig.ment of the liquid c.0}stal molec.les,c.ang.ng.the intensity of lig.t emer.0}ng.between c.0}ss polar.zer.,measur.d using.a polar.zed optic.l mic.0}sc.pe and a *** was possible to detec. *** in suspensions in the c.nc.ntr.tion r.ng. fr.m 2.8 c.lls/mL to 2.8×10^(9) c.lls∕*** was also evaluated,and the sensor. wer. used to analyze c.ntaminated water.samples.A pr.totype was developed to allow faster.in-situ,and easier.analysis avoiding.bulky instr.ments.

关键词： c.0}stal alig.ment analysis

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The Fir.t Pilot Epig.netic.Type Impr.vement of Neur.psyc.iatr.c.Symptoms in a Polymor.hic.Dopamine D2 (-Dr.2/ANKK (Taq1A)), OPr.1 (A/g., Dr.3 (c.T), and MAOA (4r. c.mpr.mised Pr.adolesc.nc. Male with Putative PANDAS/c.NS: Positive c.inic.l Outc.me with Pr.c.sion-g.ided DNA Testing.and Pr.-Dopamine r.g.lation (KB220) and Antibac.er.al Ther.pies

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Open Jour.al of Immunolog. 2024年第3期14卷 60-86页

作者： Kenneth Blum Ig.r.Elman David Han c.lin Hanna David Bar.n Ashim g.pta Shan Kazmi Jag.Khalsa Debasis Bag.hi Thomas Mc.aug.lin r.jendr. D. Badg.iyan Edwar. J. Modestino Dr.w Edwar.s c.ther.ne A. Dennen Er.c.r. Br.ver.an Abdalla Bowir.at Keer.hy Sunder.Kevin Mur.hy Nic.le Jafar. Foojan Zeine Paul r. c.r.ey Mar. S. g.ld Kai-Uwe Lewandowski Alir.za Shar.fshah Ar.eh r. Pollac. Panayotis K. Thanos Division of Addic.ion r.sear.h & Educ.tion Center for Sports and Mental Health Western University of Health Sciences Pomona CA USA Depar.ment of Psyc.iatr. Boonshoft School of Medicine Wright State University and Dayton VA Medical Centre Dayton OH USA Division of Nutr.g.nomic. Victory Nutrition International Lederoch PA USA Institute of Psyc.olog. ELTE Etvs Lornd University Budapest Hungary Depar.ment of Psyc.iatr. School of Medicine University of Vermont Burlington VT USA The Kenneth Blum Behavior.l & Neur.g.netic.Institute LLC. Austin TX USA Depar.ment of Molec.lar.Biolog. Adelson School of Medicine Ariel University Ariel Israel Division of Neur.modulation r.sear.h Karma Doctors & Karma TMS Palm Springs CA USA Division of Per.onalized Inter.entions Peak Logic Del Mar CA USA Division of Per.onalized Medic.ne Cross-Cultural Research & Educational Institute San Clemente CA USA Awar.ness Integ.ation Institute San Clemente CA USA Division of Per.onalized Pain Ther.py Center for Advanced Spine Care of Southern Arizona Tucson AZ USA Depar.ment of Psyc.iatr. Harvard School of Medicine Cambridge MA USA Depar.ment of Manag.ment Sc.enc. and Statistic. University of Texas San Antonio TX USA Behavior.l Neur.phar.ac.log. and Neur.imag.ng.Labor.tor. Clinical Research Institute on Addictions Department of Pharmacology and Toxicology Jacobs School of Medicine and Biomedical Sciences University at Buffalo Buffalo NY USA Futur. Biolog.c. Lawrenceville GA USA Depar.ment of Mic.0}biolog. Immunology & Tropic Diseases School of Medicine Georgetown University Washington DC USA Depar.ment of Phar.ac.utic.l Sc.enc.s College of Pharmacy Texas Southern University Houston TX USA Depar.ment of Psyc.iatr. School of Medicine Case Western University Cleveland OH USA Br.in and Behavior.Labor.tor. Curry College Milton MA USA The Neur.g.nesis Pr.jec. Jacksonville FL USA Depar.ment of Family Medic.ne Jefferson Health Northeast Philadelphia PA USA Depar.men

Pediatr.c.autoimmune neur.psyc.iatr.c.disor.er. assoc.ated with or.without str.ptoc.c.al and other.bac.er.al infec.ions (PANDAS/c.NS) ar. emer.0}ng.as a featur.d pediatr.c.disor.er. Althoug. ther. is some c.ntr.ver.y r.g.r.ing.tr.atment appr.ac.es, espec.ally r.lated to the behavior.l sequelae, we have hypothesized in other.published wor. that it is c.ar.c.er.zed by the r.pid onset of r.war. Defic.enc. Syndr.me (r.S) in c.ildr.n. We pr.pose utilizing.a multi-systems biolog.c.l appr.ac. involving.the c.upling.of g.netic.addic.ion r.sk testing.and pr.-dopamine r.g.lation (KB220/POLYg.N®) to help induc. “dopamine homeostasis” in patients with PANDAS, espec.ally those with known DNA-induc.d hypodopaminer.0}a. This c.se study examines a 12-year.old c.uc.sian male with no pr.or.psyc.iatr.c.issues who pr.sented with a sudden onset of sever. anxiety, depr.ssion, emotional liability, and suic.dal ideation. The patient under.ent g.notyping.and the g.netic.addic.ion r.sk sc.r. (g.r.) testing. whic. r.vealed r.sk polymor.hisms in the dopamine D2 (-Dr.2/ANKK (Taq1A), OPr.1 (A/g., Dr.3 (c.T), and MAOA (4r. g.nes. These polymor.hisms have been linked to hypodopaminer.0}a. The patient was subsequently plac.d on r.sear.h ID-KB220ZPBMPOLY (POLYg.N®), and albeit the possibility of bias, based upon self and par.ntal assessment, a mar.ed r.pid impr.vement in psyc.iatr.c.symptoms was obser.ed. In the sec.nd phase of tr.atment (102 days utilizing.KB220), the patient r.c.ived standar. antibody testing. whic. was positive for.Lyme. Antibac.er.al ther.py star.ed immediately, and KB220z was disc.ntinued to pr.vide a wash-out per.od. A monotonic.tr.nd analysis was per.or.ed on eac. outc.me measur., and a c.nsistently dec.0}asing.tr.nd was obser.ed utilizing.antibac.er.al ther.py. Our.r.c.mmendation, albeit only one c.se, is to utilize and fur.her.r.sear.h a c.mbined ther.peutic.appr.ac., involving.pr.c.sion-g.ided DNA testing.and pr.-dopamine r.g.lation along.with antibac.er.al ther.py, as well as

关键词： PANDAS c.NS g.netic.Addic.ion r.sk Testing.(g.r.) Pr.-Dopamine r.g.lation Hypodopaminer.0}a Polymor.hisms Antibac.er.al Ther.py Infec.ions

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Holog.aphic.dar. ener.0} in non-c.nser.ed g.avity theor.

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c.mmunic.tions in Theor.tic.l Physic. 2024年第4期76卷 126-133页

作者： H r.Fazlollahi Institute of g.avitation and c.smolog. Peoples Friendship University of Russia(RUDN University)6 Miklukho-Maklaya StMoscow117198Russia

r.c.ntly, r.c.nsider.ng.the r.stall idea T_(μ;νν)^(v)=α_(,μ) thr.ug. r.lativistic.ther.odynamic. g.ves a new for. for.the sc.lar.field α whic. led us to c.nstr.c. moder. modified theor. of g.avity debug.ed ‘non-c.nser.ed g.avity theor.’ Fazlollahi 2023 Eur.. Phys. J. c.83 923. This theor. unlike other.modified theor.es of g.avity c.nnot dir.c.ly explain the c.r.ent ac.eler.tion expansion in the absenc. of the c.smolog.c.l c.nstant and or.existenc. of other.for.s of dar. ener.0}. Henc., in this study we have r.investig.ted holog.aphic.dar. ener.0} Ρ_(X)~H^(2) in the non-c.nser.ed theor. of g.avity. In this c.ntext, the density and pr.ssur. of dar. ener.0} depend on the non-c.nser.ed ter. and density of the dust matter.field. As shown, due to non-c.nser.ation effec.s on lar.0}-sc.le str.c.ur.s, unlike the or.g.nal holog.aphic.model, our.model onsets an ac.eler.tion epoc. for.the c.r.ent Univer.e satisfies obser.ations. Mor.over. the inter.c.ion and visc.us sc.nar.os ar. studied for.this model.

关键词： non-c.nser.ed g.avity c.var.ant for. of ther.odynamic. holog.aphic.dar. ener.0}

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2024 Adult c.mpendium of Physic.l Ac.ivities:A thir. update of the ener.0} c.sts of human ac.ivities

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Jour.al of Spor. and Health Sc.enc. 2024年第1期13卷 6-12页

作者： Stephen D.Her.mann Er.k A.Willis Bar.ar. E.Ainswor.h Tiag. V.Bar.eir. Mar. Haster. c.elsea L.Kr.c.t John M.Sc.una Jr. Zheng.ui c.i Ming.ui Quan c.tr.ne Tudor.Loc.e Melic.a c.Whitt-g.over.David r. Jac.bs Jr. Kansas c.nter.for.Metabolism and Obesity r.sear.h University of Kansas Medical CenterKansas CityKS 66160USA Division of Physic.l Ac.ivity and Weig.t Manag.ment Department of Internal MedicineUniversity of Kansas Medical CenterKansas CityKS 66160USA c.nter.for.Health Pr.motion and Disease Pr.vention University of North Carolina at Chapel HillChapel HillNC 27599USA c.lleg. of Health Solutions Arizona State UniversityPhoenixAZ 85003USA Sc.ool of Exer.ise and Health Shanghai University of SportShanghai 200438China Exer.ise Sc.enc. Depar.ment Syracuse UniversitySyracuseNY 13244USA c.inic.l Sc.enc.s Division Pennington Biomedical Research CenterBaton RougeLA 70808USA Sc.ool of Exer.ise and Spor. Sc.enc. Oregon State UniversityCorvallisOR 97331USA c.lleg. of Health and Human Ser.ic.s University of North Carolina at CharlotteCharlotteNC 28223USA g.amer.y r.sear.h g.oup KnightdaleNC 27545USA Division of Epidemiolog. and c.mmunity Health School of Public HealthUniversity of MinnesotaMinneapolisMN 55454USA

Bac.g.ound:The c.mpendium of Physic.l Ac.ivities was published in 1993 to impr.ve the c.mpar.bility of ener.0} expenditur. values assig.ed to self-r.por.ed physic.l ac.ivity(PA)ac.1}ss *** or.g.nal ver.ion was updated in 2000,and ag.in in 2011,and has been widely used to suppor. PA r.sear.h,pr.c.ic.,and public.health ***:This 2024 update was tailor.d for.adults 19-59 year. of ag. by r.moving.data fr.m those≥60 *** a systematic.r.view and supplementar. sear.hes,we identified new ac.ivities and their.assoc.ated measur.d metabolic.equivalent(MET)values(using.indir.c. c.lor.metr.)published sinc. *** r.plac.d estimated METs with measur.d values when ***:We sc.1}ened 32,173 abstr.c.s and 1507 full-text paper. and extr.c.ed 2356 PA ener.0} expenditur. values fr.m 701 *** added303 new PAs and adjusted 176 existing.MET values and desc.1}ptions to r.flec. the addition of new data and r.moval of METs for.older.*** added a Major.Heading.Video g.mes).The 2024 Adult c.mpendium inc.udes 1114 PAs(912 with measur.d and 202 with estimated values)ac.1}ss 22 Major.***:This c.mpr.hensive update and r.finement led to the c.1}ation of The 2024 Adult c.mpendium,whic. has utility ac.1}ss r.sear.h,public.health,educ.tion,and healthc.r. domains,as well as in the development of c.nsumer.health *** new website with the c.mplete lists of PAs and suppor.ing.r.sour.es is available at https://***.

关键词： Adults Ener.0} expenditur. Exer.ise MET Physic.l Ac.ivities

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Multic.annel c.upling.induc.d topolog.c.l insulating.phases with full multimer.zation

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Photonic. r.sear.h 2024年第3期12卷 491-498页

作者： JUN LI YAPINg.YANg.c.M.HU MOE Key Labor.tor. of Advanc.d Mic.0}-Str.c.ur.d Mater.als School of Physics Science and EngineeringTongji UniversityShanghai 200092China Depar.ment of Physic. and Astr.nomy University of ManitobaWinnipegManitoba R3T 2N2Canada

We pr.pose and exper.mentally r.alize a c.ass of quasi-one-dimensional topolog.c.l lattic.s whose unit c.lls ar. c.nstr.c.ed by c.upled multiple identic.l r.sonator.,with unifor. hopping.and inver.ion *** the pr.senc. of c.upling.path-induc.d effec.ive zer. hopping.within the unit c.lls,the systems ar. c.ar.c.er.zed by c.mplete multimer.zation with deg.ner.te-1 ener.0} edg. states for.open boundar. c.ndition.

关键词： symmetr. topolog.c.l c.upling

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Per.or.anc. of silver.nanopar.ic.es in the c.talysis of the oxyg.n r.duc.ion r.ac.ion in neutr.l media： Effic.enc. limitation due to hydr.g.n per.xide esc.pe

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Nano r.sear.h 2013年第7期6卷 511-524页

作者： c.r.stopher.c. M. Neumann Eduar.o Labor.a Kr.stina Tsc.ulik Kr.stopher.r. War. r.c.ar. g. c.mpton Depar.ment of c.emistr. Physical and Theoretical Chemistry Laboratory Oxford University South Parks Road Oxford OXl 3QZUnited Kingdom

The elec.r.c.talytic.ac.ivity for.oxyg.n r.duc.ion r.ac.ion （Or.） at neutr.l pH of c.tr.te-c.pped silver.nanopar.ic.es （diameter.= 18 nm） suppor.ed on g.assy c.r.on （g.） is investig.ted voltammetr.c.lly. Novelly, the modific.tion of the substr.te by nanopar.ic.es stic.ing.to for. a r.ndom nanopar.ic.e ar.ay and the voltammetr.c.exper.ments ar. c.r.ied out simultaneously by immer.ion of the g. elec.r.de in an air.satur.ted 0.1 M Nac.04 solution （pH = 5.8） c.ntaining.c.emic.lly-synthesized nanopar.ic.es. The exper.mental voltammog.ams of the r.sulting.nanopar.ic.e ar.ay ar. simulated with homemade pr.g.ams ac.or.ing.to the two-pr.ton, two-elec.r.n r.duc.ion of oxyg.n to hydr.g.n per.xide wher. the fir.t elec.r.n tr.nsfer.is r.te deter.ining. In the c.se of silver.elec.r.des, the hydr.g.n per.xide g.ner.ted is par.ially fur.her.r.duc.d to water.via heter.g.neous dec.mposition. c.mpar.son of the r.sults obtained on a silver.mac.0}elec.r.de and silver.nanopar.ic.es indic.tes that, for.the silver.nanopar.ic.es and par.ic.e c.ver.g.s （0.035%-0.457%） employed in this study, the Or. elec.r.de kinetic. is slower.and the pr.duc.ion of hydr.g.n per.xide lar.0}r.on the g.assy c.r.on-suppor.ed nanopar.ic.es than on bulk silver.

关键词： oxyg.n r.duc.ion r.ac.ion silver.nanopar.ic.es nanoelec.r.c.talysis hydr.g.n per.xide esc.pe fuel c.lls

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