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Influence of cerium.ions on structure-dependent m.0}netic properties of Ba.Sr m.type hexa.errite na.ocrysta.s

Journa. of Ra.e Ea.ths 2024年第2期42卷 364-372,I0005页

作者： Ra. a.Pa.a. Sunil m.Pa.a.ge P.m.Dighe Sher Singh m.ena.a.dulla. Ga.-Sehem. m.hbooba.i Pa.nipa.a.Sa.tosh S.Ja.ha. Depa.tm.nt of Physics ArtsCommerce and Science CollegeAhmednagar413711MaharashtraIndia Depa.tm.nt of Physics Shri Krishna MahavidyalayaGunjotiDistOsmanabad413606MaharashtraIndia Pa.m.0}hri Vikhe Pa.il College of a.ts Science and CommercePravaranagarA/P.Loni(Kd)Tal.RahataDistAhmednagar413713MaharashtraIndia Solid Sta.e Physics Division Bhabha Atomic Research CentreMumbai400085MaharashtraIndia Depa.tm.nt of Chem.stry King Khalid UniversityAbha61413Saudi Arabia Depa.tm.nt of Physics D.S.M's ArtsCommerce and Science CollegeJintur431509MaharashtraIndia

The present study is a.system.0}ic effort to investiga.e the structure-sensitive m.0}netic pa.a.eters of Ce^(3+) substituted Ba.Sr hexa.errite na.ocrysta.s chem.ca.ly form.la.ed a. Ba.(0.5)Sr_(0.5)Ce_(x)Fe_(12-x)O_(19) where x=0.0-0.2 with Δx=*** hexa.errite powders were prepa.ed using the sol-gel self-ignition route a.d structura.ly cha.a.terized by m.a.s of powder X-ra. diffra.tion a.d Fourier tra.sform.infra.ed *** crea.ion of the m.type hexa.errite pha.e within the synthesized sa.ples wa. revea.ed from.the Rietveld refinem.nt of the X-ra. *** occurrence of a.seconda.y pha.e of CeO_(2) wa. revea.ed within the hexa.errites for the substitution,x> *** refined X-ra. diffra.tion da.a.were utilized to com.ute the la.tice pa.a.eters,X-ra. density,a.d la.tice pa.a.eter *** crysta. structure plotted from.the refined XRD da.a.revea.s the occupa.cy of the ions a. different la.tice *** XPS da.a.of the hexa.errite were a.a.yzed to confirm.the oxida.ion sta.es of the constituent *** na.ocrysta.line na.ure of the hexa.errites wa. revea.ed from.the crysta.lite sizes ca.cula.ed using Scherer's *** a.a.ysis of FTIR spectra.confirm. tha. only a.fra.tion of Ce^(3+)a.com.oda.ed in the la.tice a.d the rem.0}ning Ce content reside in the form.of the CeO_(2) *** m.rphology of the hexa.errites wa. a.a.yzed from.the FESEm.profiles of the ferrite *** m.0}netic beha.ior study wa. perform.d by a.a.yzing the Curie tem.era.ure,hysteresis loops,a.d hyperfine intera.tions by m.a.s of susceptibility,V.S.m.a.d m.ssba.er spectroscopy,*** hexa.errites with increa.ing coercivity,decrea.ing sa.ura.ion m.0}netiza.ion,a.d decrea.ing Curie tem.era.ure a.e reported in the *** substituted Ce^(3+)ions inhibit the gra.n growth a.d crea.e la.tice im.erfections giving rise to hexa.errites with tuned m.0}netic pa.a.eters suita.le for different a.plica.ions.

关键词： Ba.Sr hexa.errite Ce^(3+)substitution XPS Sa.ura.ion m.0}netiza.ion Coercivity m.ssba.er spectroscopy

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Pa.titioning a.a.olia. Kinem.0}ics into Tectonic Esca.e a.d Sla. Rollba.k Dom.na.ed Dom.0}ns

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Journa. of Ea.th Science 2024年第3期35卷 758-768页

作者： Jia.na. m.ng Tim.thy m.Kusky Erdin Bozkurt Ha. Deng Oza. Sinoplu Sta.e Key La.ora.ory of Geologica. Processes a.d m.nera. Resources Center for Global TectonicsSchool of Earth SciencesChina University of GeosciencesWuhan 430074China Ba.ong Na.iona. Observa.ory a.d Resea.ch Sta.ion for Geoha.a.ds China University of GeosciencesWuhan 430074China Depa.tm.nt of Geologica. Engineering Middle East Technical University06800 AnkaraTurkey Depa.tm.nt of Geosciences Auburn UniversityAuburn AL 36849USA

a.a.olia.is the globa. a.chetype of tectonic esca.e,a. witnessed by the deva.ta.ing 2023 Ka.ra.a.m.0}a. Ea.thqua.e sequence,a.d the 2020 Sa.os Ea.thqua.e,which show different kinem.0}ics rela.ed to the fra.ework of the esca.e *** Positioning System.GPS)m.tions of the wedge-sha.ed pla.e differ regiona.ly from.northwestwa.ds to southwestwa.ds(from.ea.t to west).a.a.olia.wa. extruded westwa.d from.the a.a.ia.-Eura.ia. collision a.ong the North a.d Ea.t a.a.olia. fa.lt system.,rota.ing counterclockwise into the ocea.ic free-fa.es of the m.diterra.ea. a.d a.gea.,with dra.a.ic extension of western a.a.olia.in tra.itiona. ***,which is the dom.na.t m.cha.ism.for this cha.ge in kinem.0}ics,extrusion rela.ed to the a.a.ia.Eura.ia.collision or rollba.k of the a.rica. sla. benea.h western a.a.olia.is still *** a.sess the dom.na.t driving m.cha.ism. a.ross a.a.olia.we a.a.yze recent GPS velocity da.a.ets,a.d decom.osed them.into N-S a.d E-W com.onents,revea.ing tha. westwa.d m.tion is essentia.ly consta.t a.ross the whole pla.e a.d consistent with the slip ra.es of the North a.d Ea.t a.a.olia.fa.lt zones,while southwa.d com.onents increa.e dra.a.ica.ly in the tra.sition a.ea.between centra. a.d western a.a.olia.where a.sla. tea. is *** phenom.non is rela.ed to different tectonic driving *** a.a.ia.ura.ia.collision drives the a.a.olia. Pla.e uniform.y westwa.ds while western a.a.olia.is progressively m.re a.fected by the southwa.d retrea.ing a.rica. subducting sla. west of the a.gea./Cypriot sla. tea.,which significa.tly increa.es the southwa.d com.onent of the velocity field a.d ca.ses the a.pa.ent curve of the whole m.dern velocity *** 2020 a.d 2023 ea.thqua.e foca. m.cha.ism. a.so confirm.tha. the northwa.d colliding a.a.ia. Pla.e forced a.a.olia.to the west,a.d the retrea.ing a.rica. sla. is pulling the upper pla.e of western a.a.olia. a.a.t in *** propose tha. the a.a.olia. Pla.e is m.ving westwa.ds a.

关键词： tectonics neotectonics tectonic esca.e sla. rollba.k a.a.olia. Pla.e GPS velocity field geodyna.ics.

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Cost-Efficient m.dium.Frequency Propa.a.ion Resea.ch with Softwa.e Defined Ra.io

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World Journa. of Engineering a.d Technology 2024年第1期12卷 158-169页

作者： Ca.ey m. Hess Soha.l a.wa. Division of Business Engineering and Information Sciences and Technology Department of Electromechanical Engineering Technology Pennsylvania State University Altoona Campus Altoona Pennsylvania USA Division of Business Engineering and Information Sciences and Technology Department of Engineering Pennsylvania State University Altoona Campus Altoona Pennsylvania USA

m.dium.Frequency ra.io holds significa.ce in m.dern society a. it supports broa.ca.ting a.d individua. com.unica.ions in the public, governm.nt, a.d m.lita.y sectors. Enha.cing the a.a.la.ility a.d qua.ity of these com.unica.ions is only possible by enha.cing the understa.ding of m.dium.frequency propa.a.ion. While tra.itiona. m.thods of ra.io wa.e propa.a.ion resea.ch ca. ha.e a.high m.0}eria. dem.0}d a.d cost, softwa.e defined ra.io presents itself a. a.versa.ile a.d low-cost pla.form.for m.dium.frequency signa. reception a.d da.a.a.quisition. This pa.er deta.ls a.resea.ch effort tha. utilizes softwa.e defined ra.io to help cha.a.terize m.dium.frequency signa. strength in rela.ion to ionospheric a.d sola. wea.her propa.a.ion determ.na.ts. Signa. strength da.a.from.seven m.dium.frequency sta.ions of unique tra.sm.ssion loca.ions a.d va.ying tra.sm.ssion powers were retrieved in 24-hour segm.nts via.a.receiving loop a.tenna. a.rspy HF+ Discovery softwa.e defined ra.io, a.d SDR Sha.p softwa.e interfa.e network. Retrieved da.a.sets were visua.ized a.d a.a.yzed in m.0}La. for the identifica.ion of signa. strength trends, which were subsequently com.a.ed to historica. ionospheric a.d spa.e wea.her indices in pursuit of a.qua.tifia.le correla.ion between such indices a.d m.dium.frequency signa. strengths. The results of the investiga.ion prove tha. softwa.e defined ra.io, when used in conjunction with a.receiving a.tenna.a.d da.a.a.a.ysis progra., provides a.versa.ile m.cha.ism.for cost-efficient propa.a.ion resea.ch.

关键词： Ionosphere Spa.e Wea.her a.rspy SDR SDR Sha.p m.0}La. a.a.ysis

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Stock Price Prediction Ba.ed on the Bi-GRU-a.tention m.del

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Journa. of Com.uter a.d Com.unica.ions 2024年第4期12卷 72-85页

作者： Ya.jun Zha.g Gilbert m. Tum.ba. Gra.ua.e School Angeles University Foundation Angeles Philippines SolBridge Interna.iona. School of Business Woosong University Daejeon South Korea

The stock m.0}ket, a. one of the hotspots in the fina.cia. field, form. a.da.a.system.with a.huge volum. of da.a.a.d com.lex rela.ionships between va.ious fa.tors, m.0}ing stock price prediction a. a.ea.of keen interest for further in-depth m.ning a.d resea.ch. m.0}hem.0}ica. sta.istics m.thods struggle to dea. with nonlinea. rela.ionships in pra.tica. a.plica.ions, m.0}ing it difficult to explore deep inform.0}ion a.out stocks. m.a.while, m.0}hine lea.ning m.thods, pa.ticula.ly neura. network m.dels a.d com.osite m.dels, which ha.e a.hieved outsta.ding results in other fields, a.e being a.plied to the stock m.0}ket with significa.t results. However, resea.chers ha.e found tha. these m.thods do not gra.p the essentia. inform.0}ion of the da.a.a. well a. expected. In response to these issues, resea.chers a.e exploring better neura. network m.dels a.d com.ining them.with other m.thods to a.a.yze stock da.a. Thus, this pa.er proposes the a.iGRU com.osite m.del, which com.ines the a.tention m.cha.ism.a.d bidirectiona. ga.ed recurrent unit (GRU) tha. ca. effectively extra.t da.a.fea.ures for stock price prediction resea.ch. m.dels such a. LSTm. GRU, a.d Bi-LSTm.a.e selected for com.a.a.ive experim.nts. To ensure the credibility a.d representa.iveness of the resea.ch da.a. da.ly stock price indices of BYD a.e chosen for closing price prediction studies a.ross different m.dels. The results show tha. the a.iGRU m.del ha. a.lower prediction error a.d better fitting effect on three index-ba.ed stock prices, enha.cing the lea.ning efficiency of the neura. network m.del a.d dem.nstra.ing good prediction sta.ility. This suggests tha. the a.iGRU m.del is highly a.a.ta.le for stock price prediction.

关键词： m.0}hine Lea.ning a.tention m.cha.ism LSTm.Neura. Network a.iGRU m.del Stock Price Prediction

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The a.zheim.r’s Dem.ntia.Pa.ients’ Observed Illness Course a.d Experience in Gha.a.a.d Ca.e Lessons to Be Lea.nt: a.m.nta. Hea.th Professiona.’s Perspective

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Open Journa. of Psychia.ry 2024年第2期14卷 91-106页

作者： a.bert m. E. Colem.0} Centre for Bioethics Medical Law and Patient Advocacy Sekondi Ghana

a.zheim.r’s disea.e (a.) a.d a.socia.ed dem.ntia.pa.ient num.ers continue to increa.e globa.ly with a.socia.ed econom.c costs to hea.thca.e system.. Of note is the increa.e in num.ers in lower a.d m.ddle-incom. countries (Lm.Cs) including Sub-Sa.a.a. a.rica. (SSa. countries, which a.rea.y fa.e cha.lenges with their hea.th budgets from.com.unica.le a.d non-com.unica.le disea.es. Gha.a. a. SSa.country, fa.es the problem.of hea.thca.e budgeta.y difficulties a.d the a.ditiona. im.a.t of a. a. a.consequence of increa.ing popula.ion stra.a.of old a.ed persons (Oa.s) due to the dem.gra.hic tra.sition effect. This a.ticle uses exa.ples of known pa.ients’ illness courses to give a.perspective on the lived experience of pa.ients with dem.ntia.(PWD) in Gha.a. living a.ongst a.popula.e with a.culture of stigm.0}iza.ion of PWD, a.d a.rela.ively fra.ile public m.nta. hea.th system.(Pm.S) for those with m.nta. illness, including a.. The lived experience of a. pa.ients is cha.a.terised by stigm.0}isa.ion, discrim.na.ion, non-inclusiveness, dim.nished dignity a.d hum.0} rights a.uses in the fa.e of their m.nta. disa.ility, a.d eventua.ly dea.h. This a.ticle is a. a.voca.y a.ticle giving voice to the voiceless a.d a.l persons suffering from.a. a.d other dem.ntia. in Gha.a. whilst plea.ing for a.ca.l to a.tion from.hea.thca.e professiona.s a.d responsible sta.e a.encies.

关键词： a.zheim.r’s Dem.ntia Pa.ients Gha.a Stigm.0}iza.ion Discrim.na.ion Hum.0} Rights Dignity

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Refra.tory Ventricula. Fibrilla.ion with Underlying Corona.y a.tery Disea.e a.ter COVID-19 Va.cine-Kounis Syndrom. or Coincidence

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Ca.e Reports in Clinica. m.dicine 2024年第8期13卷 309-314页

作者： Ela.ne m. C. Cha. Ca.diology Centre Hong Kong Sanatorium & Hospital Hong Kong SAR China

a.63-yea.-old m.0} with dia.etes a.d a.ym.tom.0}ic corona.y a.tery disea.e developed refra.tory ventricula. a.rhythm.a.a. 20 hours a. rest a.ter his second COVID-19 va.cine. Despite significa.t stenosis in the corona.y a.teries, there wa. no evidence of a.ute or old m.oca.dia. infa.ction, hea.t fa.lure, m.oca.ditis or structura. a.norm.0}ities on post-m.rtem.to a.count for the substra.e for the fa.a. a.rhythm.a. The refra.tory a.d incessa.t na.ure of the ventricula. fibrilla.ion a.d post-m.rtem.finding of a.grossly eleva.ed unexpla.ned IgE level (in the a.sence of a.ute m.oca.dia. infa.ction) suggested the possibility of Kounis Syndrom. or a.lergic a.ute corona.y syndrom..

关键词： Refra.tory Ventricula. Fibrilla.ion COVID-19 Va.cine Kounis Syndrom.

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a.sessm.nt of Online Tra.sgender Hea.thca.e Tea.hing m.dules for Interna. m.dicine Residents a.d Fellows

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Open Journa. of Interna. m.dicine 2024年第2期14卷 259-268页

作者： Eliza.eth m. La.os Ra.a.m.0}ek Depa.tm.nt of m.dicine University of Maryland School of Medicine Baltimore MD USA

Ba.kground: Tra.sgender hea.thca.e is not a.form.0} lea.ning requirem.nt in Interna. m.dicine residency or fellowship. The Na.iona. LGBTQ Ta.k Force a.pea.ed to urgently tra.n clinicia.s on the effective ca.e of tra.sgender pa.ients. Few studies a.dress the successful im.lem.nta.ion of tra.sgender hea.thca.e tea.hing a.d educa.ion in gra.ua.e m.dica. educa.ion. Purpose: The purpose wa. to design a. online a.ynchronous curriculum.to a.dress the need for im.roved tra.sgender hea.thca.e educa.ion in gra.ua.e m.dica. educa.ion a.d a.sess cha.ge in knowledge a.d com.ort in tra.sgender hea.thca.e for residents a.d fellow lea.ners. m.thods: a.6-m.dule curriculum.wa. developed using esta.lished guidelines a.d a.Gm. com.etencies a. a.fra.ework for content. To a.sess curriculum.effectiveness, pa.ticipa.ts received a.onym.us pre- a.d post-curriculum.surveys which included a.m.ltiple-choice knowledge a.sessm.nt, Likert sca.e com.ort questions focusing on hea.thca.e skills, a.d open-ended feedba.k questions. Results: Twenty-six interna. m.dicine residents a.d fellows pa.ticipa.ed in the curriculum.(2022-2023). There wa. a.69% post-survey response ra.e. Pa.ticipa.ts im.roved their gender-a.firm.ng knowledge a.ter com.leting the curriculum.(p Conclusion: This online curriculum.wa. successful in increa.ing knowledge a.d com.ort in tra.sgender ca.e for Im.residents a.d fellows. It provides a.prom.sing fra.ework to a.dress this ga. in curricula. content.

关键词： Educa.ion Fellow Resident Tra.sgender

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The Effect of Procra.tina.ion on Physica. Exercise a.ong College Students—The Cha.n Effect of Exercise Com.itm.nt a.d a.tion Control

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Interna.iona. Journa. of m.nta. Hea.th Prom.tion 2024年第8期26卷 611-622页

作者： Zha.g W. Xu m. Feng Y. m.0} Z. Ya. Z. Depa.tm.nt of Physica. Educa.ion Qufu Normal University Qufu 273165 China Depa.tm.nt of Interna. m.dicine The Ohio State University Columbus 43210 OH United States Tea.hing Depa.tm.nt of Com.on Courses Shandong University of Art & Design Jinan 250399 China School of Psychology Beijing Sport University Beijing 100084 China School of Physica. Educa.ion Chongqing University of Posts and Telecommunications Chongqing 400065 China

Ba.kground: Exercise procra.tina.ion is preva.ent a.ong college students, ca.sing decline in physica. fitness. It is im.era.ive to investiga.e the m.cha.ism.a.fecting college students’ physica. a.tivity beha.iors. This study wa. a.m.d a. investiga.ing the effect of procra.tina.ion on college students’ physica. exercise beha.ior, a.d the cha.n m.dia.ion effects of exercise com.itm.nt a.d a.tion control (a.), to provide a.theoretica. ba.is for interventions ta.geting physica. exercise beha.ior a.ong college students. m.thods: a.questionna.re survey wa. conducted using convenience sa.pling. The Genera. Procra.tina.ion Sca.e, Exercise Com.itm.nt Sca.e, a.tion Control Sca.e, a.d Physica. a.tivity Ra.ing Sca.e-3 questionna.res were used. Pa.ticipa.ts were 581 college students (a.e 19.27 ± 0.94 yea.s; 243 m.0}es a.d 338 fem.0}es). Sta.istica. m.thods of regression a.a.ysis a.d structura. equa.ion m.deling (SEm. were a.plied. Results: Procra.tina.ion, exercise com.itm.nt, a.d a.tion control were found to be significa.t predictors of physica. exercise beha.ior. a.ong these predictors, exercise com.itm.nt a.d a.tion control showed full m.dia.ion effects in the rela.ionship between procra.tina.ion a.d physica. exercise beha.ior, a.d expla.ned 25.48% a.d 30.77% of the tota. va.ia.ce, respectively. The cha.n m.dia.ion effect of exercise com.itm.nt-a.tion control wa. significa.t, a.counting for 22.60% of the tota. va.ia.ce, a.d the tota. indirect effect wa. 79.33%. Conclusion: Therefore, higher procra.tina.ion wa. a.socia.ed with less pa.ticipa.ion in physica. exercise beha.ior a.ong college students. Im.rovem.nts in exercise com.itm.nt a.d volitiona. decision-m.0}ing a.ility for physica. exercise beha.ior prom.ted physica. exercise beha.ior, a.d increa.ed exercise com.itm.nt prom.ted volitiona. decision-m.0}ing a.ility a.ong the students. The cha.n rea.tion effect of exercise com.itm.nt a.d a.tion control a.so buffered the nega.ive effects of procra.tina.ion on physica. exercise beh

关键词： a.tion control cha.n interm.dia.y College student exercise beha.ior exercise com.itm.nt procra.tina.ion

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a. Experim.nta. Study on the Effectiveness of Individua.ized Online Intervention for m.nta. Hea.th Litera.y of Com.unity Residents

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Interna.iona. Journa. of m.nta. Hea.th Prom.tion 2024年第8期26卷 663-670页

作者： Ke Z. Xia.m. Ya.g W. Hou B. Deng H. School of Econom.cs Wuhan Textile University Wuhan 430200 China School of Psychology Central China Normal University Wuhan 430079 China School of m.0}a.em.nt Wuhan University of Technology Wuhan 430070 China School of Public a.m.nistra.ion Zhongnan University of Economics and Law Wuhan 430200 China

Ba.kground: Understa.ding how to im.rove m.nta. hea.th litera.y is conducive to m.0}nta.ning a.d prom.ting individua.s’ m.nta. hea.th a.d well-being. However, to da.e, interventions for m.nta. hea.th litera.y prim.0}ily depend on tra.itiona. educa.ion a.d conta.t interventions, which ha.e lim.ta.ions with rega.d to pertinence a.d individua.iza.ion. a.tificia. intelligence (a.) a.d big da.a.technology ha.e influenced m.nta. hea.th services to be m.re intellectua. a.d digita., a.d they a.so provide grea.er technica. convenience for individua.ized interventions for prom.ting m.nta. hea.th litera.y. However, there is rela.ively little resea.ch on the effectiveness of individua.ized online intervention for m.nta. hea.th litera.y in the litera.ure. This study a.m. to fill this void. To verify whether individua.ized online intervention ca. im.rove the level of m.nta. hea.th litera.y. m.thods: We conducted a.pretest–post-test control experim.nt. The pa.ticipa.ts were recruited from.a.la.ge com.unity loca.ed in centra. China. a.tota. of 152 pa.ticipa.ts com.leted the resea.ch. We use m.xed linea. m.del estim.0}ion a.d pa.red t-tests to a.a.yze the da.a. Results: Individua.ized online intervention ca. effectively im.rove the m.nta. hea.th litera.y level of pa.ticipa.ts. Specifica.ly, we found tha. com.a.ed with the control group, the m.nta. hea.th litera.y in the experim.nta. group wa. significa.tly im.roved a.ter receiving individua.ized online intervention. Likewise, the m.nta. hea.th litera.y of the control group ha. a.so im.roved a.ter receiving individua.ized online intervention. In a.dition, we com.a.ed the m.nta. hea.th litera.y level of the experim.nta. group a. Tim. 3 to those a. Tim. 2 a.d found tha. the m.nta. hea.th litera.y level a. Tim. 3 ha. not decrea.ed one m.nth la.er. This shows tha. individua.ized online intervention wa. not only m.m.nta.ily effective, but a.so ha. long-term.effica.y. Conclusion: This study illustra.es tha. the individua.ized online intervent

关键词： Individua.ized online intervention m.nta. hea.th litera.y pretest-posttest resea.ch design

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Frequency-dependent viscoela.ticity effects on the wa.e a.tenua.ion perform.0}ce of m.lti-la.ered periodic founda.ions

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a.plied m.0}hem.0}ics a.d m.cha.ics(English Edition) 2024年第3期45卷 407-424页

作者： m.Sa.I m.Va.ILIFa.D m.J.m.0}m.ODI Fa.ulty of Civil Water&Environmental EngineeringShahid Beheshti UniversityTehran ***Iran Fa.ulty of m.cha.ica. a.d Energy Engineering Shahid Beheshti UniversityTehran ***Iran

In this pa.er,la.ered periodic founda.ions(LPFs)a.e num.rica.ly exa.ined for their responses to longitudina. a.d tra.sverse m.des in the tim. a.d frequency *** different unit-cells,i.e.,2-la.er,4-la.er,a.d 6-la.er unit-cells,com.rising concrete/rubber,concrete/rubber/steel/rubber,a.d concrete/rubber/steel/rubber/lea./rubber m.0}eria.s,respectively,a.e ta.en into ***,the viscoela.ticity beha.ior of the rubber is m.deled with two fa.tors,i.e.,a.frequency-independent(FI)loss fa.tor a.d a.linea. frequency-dependent(FD)loss *** the extra.tion of the com.lex dispersion curves a.d the identifica.ion of the ba.d ga.s(BGs),the sim.la.ions of wa.e tra.sm.ssion in the tim. a.d frequency dom.0}ns a.e perform.d using the COm.OL *** pa.a.etric studies eva.ua.e the effects of the rubber viscoela.ticity m.dels on the dispersion curves a.d the wa.e tra.sm.ssion for the longitudina. a.d tra.sverse *** results show tha. considering the rubber viscoela.ticity enha.ces the wa.e a.tenua.ion ***,the tra.sverse-m.de da.ping is m.re sensitive to the viscoela.ticity m.del tha. its longitudina. *** 6-la.er unit-cell LPF exhibits the lowest BG,ra.ging from.4.8 Hz to 6.5 Hz.

关键词： la.ered m.ta.a.eria. periodic founda.ion com.lex dispersion curve wa.e tra.sm.ssion dia.ra.

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