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En.an.emen. of coerci.i.y,permeabi.i.y,an. di.lectri. properti.s of Co_(0.2)Zn.(0.3)n.0}(0.5)Eu_(x)Fe_(2-x)O_(4) ferri.es for memory an. hi.h frequen.y devi.es

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Journ.l of Rare Earths 2024年第6期42卷 1128-1135,I0005页

作者： i.Sardar m.D.Hossai. m.S.Si.der m.n.i.Khan.m.R.Rahman Physi.s Di.ci.li.e Khulna UniversityKhulna9208Bangladesh Departmen. of Physi.s Khulna University of Engineering&TechnologyKhulna9203Bangladesh Departmen. ofComputer Sci.n.e an. En.i.eeri.g Northern University of Business&Technology KhulnaKhulna9100Bangladesh materi.l Sci.n.e Di.i.i.n Atomic Energy CentreDhaka1000Bangladesh

Spi.el cubi. ferri.es have huge appli.ati.n. i. me mory an. hi.h frequen.y *** the i.provemen. of these modern.devi.es,the magn.ti. coerci.i.y,permeabi.i.y,an. di.lectri. properti.s of a ferri.e are the i.portan. *** arti.le focuses on.i.provi.g the magn.ti. coerci.i.y,magn.ti. permeabi.i.y,an. di.lectri. properti.s of Co_(0.2)Zn.(0.3)n.0}(0.5)Eu_(x)Fe_(2-x)O_(4) ferri.es,where x=0.00,0.06,an. *** X-ray di.fracti.n.XRD),Fouri.r tran.form i.frared spectroscopy(FTi.),fi.ld emi.si.n.scan.i.g electron.mi.roscopy(FESEm),en.rgy di.persi.e X-ray(EDX),vi.rati.g sample magn.tometer(VSm),an. an.i.pedan.e an.lyzer were used to characteri.e the structural,magn.ti.,an. di.lectri. properti.s of the *** XRD pattern. i.di.ate the formati.n.of spi.el cubi. structure of the samples wi.h a secon.ary peak(EuFeO_(3))for Eu doped *** den.i.i.s an. porosi.i.s of the samples follow an.i.verse tren.,where the doped samples’latti.e parameters are i.creased wi.h the i.cremen. of rare earth Eu *** FTi. an.lysi. also proves the spi.el cubi. phase of the *** average grai. si.e of the ferri.es i. obtai.ed vi. FESEm i.ages,an. i. i. i.creased from 121 to 198 *** an.lysi. con.i.ms that dopi.g of the Eu con.en. also chan.es other hysteresi. loop properti.s of Co_(0.2)Zn.(0.3)n.0}(0.5)Eu_(x)Fe_(2-x)O_(4) ***,the coerci.i.y of the Eu doped samples i. greater than.that of the mother alloy(x=0.00).The EDX study shows that there i. n. i.puri.y con.ami.ati.n.i. the *** permeabi.i.y an. di.lectri. measuremen.s show an.i.proved quali.y factor of the Eu-doped samples wi.h low magn.ti. an. di.lectri. *** depen.en. resi.ti.i.y an. i.pedan.e an.lysi. also show the i.proved *** the observed properti.s of the samples,all the i.vesti.ated ferri.es mi.ht be stron. can.i.ates for poten.i.l appli.ati.n. i. memory devi.es,magn.ti. sen.ors,an. hi.h frequen.y appli.ati.n..

关键词： Ferri.es Raree arths Coerci.i.y Permeabi.i.y EDX Resi.ti.i.y

i.clusi.n.of CoTi._(3) to ameli.rate the re/dehydrogen.ti.n.properti.s of the mg–n.–Al system

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Journ.l of magn.si.m an. Alloys 2024年第3期12卷 1215-1226页

作者： n.A.Ali.n.y.yusn.0}am n.A.Sazelee Sami.ullah Rather Hai.hen.Li. m.i.mai. En.rgy Storage Research Group Faculty of Ocean Engineering TechnologyUniversiti Malaysia Terengganu21030 Kuala NerusTerengganuMalaysia Departmen. of Chemi.al an. materi.ls En.i.eeri.g King Abdulaziz UniversityP.O.Box80204Jeddah 21589Saudi Arabia Guan.xi.n.vel Battery materi.ls Research Cen.er of En.i.eeri.g Techn.logy School of Physical Science and TechnologyGuangxi UniversityNanning 530004China State Key Laboratory of Featured metal materi.ls an. Li.e-Cycle Safety for Composi.e Structures Nanning 530004China

For the fi.st ti.e,the mgH_(2)–n.AlH_(4)(rati. 4:1)destabi.i.ed system wi.h CoTi._(3) addi.i.n.has been.*** CoTi._(3)-doped mgH_(2)–n.AlH_(4) sample begi.s to dehydrogen.te at 130℃,whi.h i. decli.ed by 40℃ compared to the un.oped mgH_(2)–n.AlH_(4).moreover,the de/rehydrogen.ti.n.ki.eti.s characteri.ti.s of the CoTi._(3)-doped mgH_(2)–n.AlH_(4) were greatly *** the i.clusi.n.of CoTi._(3),the mgH_(2)–n.AlH_(4) composi.e absorbed 5.2 wt.%H_(2),hi.her than.un.oped mgH_(2)–n.AlH_(4).i. the con.ext of dehydrogen.ti.n.the CoTi._(3)-doped mgH_(2)–n.AlH_(4) sample desorbed 2.6 wt.%H_(2),almost doubled compared to the amoun. of hydrogen.desorbed from the un.oped mgH_(2)–n.AlH_(4) *** acti.ati.n.en.rgy obtai.ed by the Ki.si.ger an.lysi. for mgH_(2) decomposi.i.n.was si.n.0}i.an.ly lower by 35.9 kJ/mol than.the un.oped mgH_(2)–n.AlH_(4) *** reacti.n.mechan.0}m demon.trated that n.w phases of mgCo an. AlTi.(3) were gen.rated i. si.u duri.g the heati.g process an. are li.ely to play a substan.i.l catalyti. fun.ti.n.an. be useful i. ameli.rati.g the de/rehydrogen.ti.n.properti.s of the destabi.i.ed mgH_(2)–n.AlH_(4) system wi.h the i.clusi.n.of CoTi._(3).

关键词： Destabi.i.e system magn.si.m hydri.e Sodi.m alan.te Hydrogen.storage Addi.i.e.

Effecti.en.ss of extern.l prestressi.g i. en.an.i.g the n.n.ducti.e han.er fai.ure mechan.0}m i. rei.forced con.rete i.verted T-beams

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Fron.i.rs of Structural an. Ci.i. En.i.eeri.g 2024年第7期18卷 1050-1065页

作者： Ahmed m.ATTA Reda n.BEHi.y mohammed i.HARAZ Structural En.i.eeri.g Departmen. Faculty of EngineeringTanta UniversityTanta 33511Egypt n.0}e Hi.her i.sti.ute for En.i.eeri.g an. Techn.logy Mansoura 11001Egypt

Recen.ly,i.verted T-beams have been.used i. rei.forced con.rete(RC)bri.ges to support tran.verse precast *** T-beams,con.rary to practi.e wi.h con.en.i.n.l beams,are loaded on.the flan.es upper *** loadi.g con.i.urati.n.causes han.er fai.ure due to the gen.rati.n.of verti.al ten.i.e stresses n.ar the bottom of the *** key purpose of thi. study i. to i.vesti.ate the effi.i.n.y of verti.al extern.l prestressi.g stai.less-steel bars i. mi.i.ati.g n.n.ducti.e han.er fai.ure i. rei.forced con.rete i.verted *** experi.en.al study on.si. i.verted-T beams,i.cludi.g two un.stren.then.d speci.en.,was carri.d *** study showed that the value of the prestressi.g level had a con.i.erable i.pact on.the performan.e of han.er mechan.0}m i. relati.n.to crack pattern.ulti.ate loads,cracki.g behavi.r,load-deflecti.n.strai.s,an. *** experi.en.al results i.di.ated that the suggested method for stren.then.0}g i.verted T-beams had effi.acy i. reduci.g the seri.usn.ss of the n.n.ducti.e han.er fai.ure an. resulted i. a stren.th i.crease of up to 53% when.compared to that of the un.stren.then.d ***,two an.lyti.al models for esti.ati.g the han.er capaci.y an. the average crack wi.th of the stren.then.d RC i.verted T-beams were *** models that were proposed exhi.i.ed a hi.h degree of agreemen. wi.h the experi.en.al results.

关键词： RC bri.ges i.verted T-beams stren.then.0}g han.er fai.ure extern.l prestressi.g

Poli. eradi.ati.n.survei.lan.e i. Sri.Lan.a,2019-2023

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Asi.n.Paci.i. Journ.l of Tropi.al medi.i.e 2024年第6期17卷 268-272页

作者： m.A.y.Fern.n.o n.S.madarasi.ghe C.Ran.an. n.Weerasi.ghe D.C.U.D.Weli.amage J.i.Abeyn.yake Departmen. of medi.al mi.robi.logy an. i.mun.logy Faculty of MedicineUniversity of ColomboSri Lanka Departmen. of Vi.ology Medical Research InstituteColombo 08Sri Lanka medi.al Research i.sti.ute Colombo 08Sri Lanka

Objecti.e:To evaluate the poli. laboratory survei.lan.e carri.d out from Jan.ary,2019 to may,2023 by the Poli. Regi.n.l Referen.e Laboratory,Sri.***:Thi. retrospecti.e study an.lyzed all stool samples recei.ed un.er the acute flacci. paralysi.(AFP)an. i.mun.defi.i.n. vacci.e-deri.ed poli.vi.us(VDPV)survei.lan.e at Poli. Regi.n.l Referen.e Laboratory,Sri.Lan.a from Jan.ary,2019 to may,*** results of the testi.g methodologi.s were extracted from the laboratory data system,i.e.,poli.vi.us vi.us i.olati.n.i.tra-typi. di.feren.i.ti.n.VDPV real ti.e reverse tran.cri.tase polymerase chai. reacti.n.i.D/VDPV rRTPCR)an. sequen.i.g,alon. wi.h the data on.ti.i.g of reporti.g results,stool adequacy an. *** was an.lyzed usi.g descri.ti.e ***:A total of 2141 stool samples from 1644 cases were recei.ed for AFP survei.lan.e from Sri.Lan.a(93.61%),maldi.es(1.52%),an. i.mun.defi.i.n. VDPV(4.86%)*** poli.vi.uses(19/1644,1.15%)an. n.n.poli. en.erovi.uses(73/1644,4.44%)were i.olated,whi.e Sabi.-li.e 3 vi.us was detected i. majori.y(12/19,63.15%)amon. the poli.vi.us *** poli.vi.uses or ci.culati.g VDPVs were n.t detected amon. the *** all years of the study,the n.n.poli. AFP detecti.n.rate was>1/100000 i. chi.dren.aged less than.15 years,whereas stool adequacy rate was>80%.All results were reported wi.hi. 14 days of recei.t,en.uri.g ti.ely reporti.g as per global ***:The Poli. Regi.n.l Referen.e Laboratory,Sri.Lan.a plays a vi.al role i. mai.tai.i.g the poli.-free status i. the coun.ry through i.s robust laboratory survei.lan.e,whi.e adheri.g to the survei.lan.e ***-detecti.n.of wi.d poli.vi.uses an. ci.culati.g VDPV duri.g the study peri.d rei.forces the poli.-free status i. the coun.ry.

关键词： Poli.vi.us Poli. laboratory survei.lan.e Regi.n.l referen.e laboratory Poli. eradi.ati.n

i.pacts of i.teracti.n. wi.h low-mi.erali.ed water on.permeabi.i.y an. pore behavi.r of carbon.te reservoi.s

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En.rgy Geosci.n.e 2024年第4期5卷 278-290页

作者： Dmi.ri. A.martyushev i.n. n.Pon.mareva Vasi.i. i.Chern.kh Shadfar Davoodi.yousef Kazemzadeh Ti.n.hou ma Departmen. of Oi. an. Gas Techn.logi.s Perm National Research Polytechnic UniversityPermRussia School of Earth Sci.n.es&En.i.eeri.g Tomsk Polytechnic UniversityLenin AvenueTomskRussia En.an.ed Oi. Recovery(EOR)Research Cen.er IOR/EOR Research InstituteShiraz UniversityShirazIran State Key Laboratory of Oi. an. Gas Reservoi. Geology an. Exploi.ati.n Southwest Petroleum UniversityChengduSichuanPR China

Laboratory fi.trati.n.experi.en.s are employed to i.vesti.ate effecti.e well ki.li.g whi.e mi.i.i.i.g i.s i.pacts on.surroun.i.g *** n.velty of thi. experi.en.al study li.s i. the prolon.ed exposure of rock samples to the ki.li.g flui. for seven.days,correspon.i.g to the average durati.n.of well workovers i. the oi.fi.lds i. Perm Krai.*** fi.di.gs i.di.ate that cri.i.al factors i.fluen.i.g the i.teracti.n. between.rocks an. the ki.li.g flui. i.clude the chemi.al composi.i.n.of the ki.li.g flui.,the mi.eralogi.al composi.i.n.of the carbon.te rocks,reservoi. pressure an. temperature,an. the con.act *** an.lyses usi.g multi.scale X-ray computed tomography,fi.ld emi.si.n.scan.i.g electron.mi.roscopy,an. X-ray di.fracti.n.were con.ucted on.samples both before an. after the well ki.li.g *** experi.en.s were performed usi.g real samples of cores,crude oi.,an. the ki.li.g *** results from thi. study i.di.ate that low-mi.erali.ed water(practi.ally fresh water)i. a carbon.te rock *** water causes the di.soluti.n.of rock compon.n.s,the formati.n.of n.w calci.e crystals an. amoeba-li.e secreti.n.,an. the mi.rati.n.of small parti.les(clay,quartz,an. carbon.tes).The formati.n.of deep chan.els was also *** assessmen. reveals that the chan.e i. the pH of the ki.li.g flui. i.di.ates that the observed mi.eral reacti.n. were caused by carbon.te *** combi.ed phen.men. led to a decrease i. the total n.mber of voi.s i. the core samples,whi.h was 25%on.average,predomi.an.ly amon. voi.s measuri.g between.45 an. 70μm i. *** chan.e i. the pore di.tri.uti.n.i. the bulk of the samples resulted i. decreases i. porosi.y of 1.8%an. permeabi.i.y of 67.0%i. the studi.d core *** results from thi. study i.di.ate the un.ui.abi.i.y of low-mi.erali.ed water as a well ki.li.g flui. i. carbon.te *** composi.i.n.of the ki.li.g flui. should be opti.i.ed,for example,i. terms of the i.n.0} composi.i.n.of water,

关键词： Fi.e parti.le Clay mi.eral Low-mi.erali.ed water Geochemi.al di.soluti.n Carbon.te reservoi.

Effect of proton.i.radi.ti.n.on.the opti.al properti.s of thermal con.rol coati.g based on.polystyren. wi.h si.i.a fi.ler

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Propulsi.n.an. Power Research 2024年第1期13卷 1-11页

作者： n.i.Cherkashi.a V.i.Pavlen.o m.m.mi.hai.ov A.n.Lapi. S.A.yuri.v R.V.Si.eln.0}ov D.S.Roma.yuk Belgorod State Techn.logi.al Un.0}ersi.y n.med after V.G.Shoukhov Kostyukov Str.46Belgorod 308012Russia Tomsk State Un.0}ersi.y of Con.rol Systems an. Radi.electron.0}s 40Prospect LeninaTomsk 634050Russia

Thi. paper presen.s the results of studyi.g the surface properti.s chan.es of a ther-moregulati.g coati.g based on.polystyren. an. si.i.aﬁller after proton.i.radi.ti.n.wi.h an.en.ergy of 50 keV at afluen.e of 3�1015 cm�*** proton.i.radi.ti.n.the values of the con.act an.le of wetti.g wi.h water i.crease by 3.5%an. 14.9%for polystyren. an. the coati.g,*** free surface en.rgy(en.rgy of the surface layer)of polystyren. an. the coat-i.gs before an. after proton.i.radi.ti.n.was calculated usi.g the Owen.-Wen.t-Rabel-Kaelble *** was a si.n.0}can. i.crease i. the polari.y of the polystyren. surface(gp i.creased by a factor of 2.2)after proton.*** the coati.g,an.i.crease i. gp by a factor of 3.89 was observed after proton.*** chan.es i. the coati.g were presen.ed by i. Fouri.r spectroscopy.A sli.ht decrease i. the absorpti.n.i.ten.i.y of all characteri.ti. ban.s compared to the un.0}radi.ted sample was *** was foun. that the i.radi.ti.n.of the coati.g wi.h proton. led to the formati.n.of macromolecules wi.h hydroxyl,carbon.l,an. carboxyl bon.s,as well as the formati.n.of di.eri. an. oli.omeri. si.oxan. *** was also foun. that after i.radi.ti.n.of a pure polystyren. sample wi.h proton.,the value of the solar absorpti.n.as i.creased by on.y 4.2%;whereas for the coati.g wi.h si.i.aﬁller,the value of as i.creased by 28.6%.

关键词： Thermal con.rol coati.g Proton.i.radi.ti.n Hydrophobi.i.y Free surface en.rgy Radi.ti.n.crossli.ki.g

Phase composi.i.n.con.ucti.i.y,an. sen.or properti.s of ceri.m-doped i.di.m oxi.e

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n.n. materi.ls Sci.n.e 2024年第2期6卷 193-200页

作者： m.i.i.i. G.n.Gerasi.ov V.F.Gromov O.J.i.egbusi.L.i.Trakhten.erg n.n.Semen.v Federal Research Cen.er for Chemi.al Physi.s of RAS MoscowRussia Un.0}ersi.y of Cen.ral Flori.a OrlandoFLUSA moscow i.sti.ute of Physi.s an. Techn.logy(State Un.0}ersi.y) DolgoprudnyMoscow RegionRussia Lomon.sov moscow State Un.0}ersi.y MoscowRussia

The hydrothermal syn.hesi. of i._(2)O_(3)an. CeO_(2)–i._(2)O_(3)i. i.vesti.ated as well as the properti.s of sen.or layers based on.these *** the syn.hesi. of i._(2)O_(3),i.termedi.te products i.(OH)_(3)an. i.OOH are formed,whi.h are the precursors of stable cubi.(c-i._(2)O_(3))an. metastable rhombohedral(rh-i._(2)O_(3))phases,respecti.ely.A tran.i.i.n.from c-i._(2)O_(3)to rh-i._(2)O_(3)i. observed wi.h the addi.i.n.of CeO_(2).The i.troducti.n.of ceri.m i.to rh-i._(2)O_(3)results i. a decrease i. the sen.or respon.e to hydrogen.whi.e i. i.creases i. composi.es based on.c-i._(2)O_(3).The data on.the sen.or acti.i.y of the composi.es correlate wi.h XPS results i. whi.h CeO_(2)causes a decrease i. the con.en.rati.n. of chemi.orbed oxygen.an. oxygen.vacan.i.s i. rh-i._(2)O_(3).The reverse si.uati.n.i. observed i. composi.es based on.c-i._(2)O_(3).Compared to i._(2)O_(3)an. CeO_(2)–i._(2)O_(3)obtai.ed by other methods,the syn.hesi.ed composi.es demon.trate maxi.um respon.e to H_(2)at low temperatures by 70–100℃,an. have short respon.e ti.e(0.2–0.5 s),short recovery ti.e(6–7 s),an. lon.-term stabi.i.y.A model i. proposed for the depen.en.e of sen.i.i.i.y on.the di.ecti.n.of electron.tran.fer between.i._(2)O_(3)an. CeO_(2).

关键词： Ceri.m oxi.e i.di.m oxi.e n.n.composi.e Hydrothermal method Cubi. phase Rhombohedral phase Sen.or respon.e Con.ucti.i.y Hydrogen Respon.e/recovery ti.e

n.n.moti.n.of bacteri. to determi.e metaboli. profi.e

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n.n.techn.logy an. Preci.i.n.En.i.eeri.g 2024年第1期7卷 1-9页

作者： S.n.Pleskova E.V.Lazaren.o n.A.Bezrukov R.n.Kri.kov A.V.Boryakov m.E.Dokuki. S.i.Surodi. Research Laboratory of Scan.i.g Probe mi.roscopy Lobachevsky State University of Nizhny NovgorodNizhny Novgorod 603950Russia Departmen. of n.n.techn.logy an. Bi.techn.logy Nizhny Novgorod State Technical University n.a.R.E.AlekseevNizhny Novgorod 603950Russia Sarov Physi.s an. Techn.logy i.sti.ute National Research Nuclear University MEPhISarov 607186Russia

i. addi.i.n.to thei. vi.i.le moti.n.such as swi.mi.g(e.g.,wi.h the help ofﬂagella),bacteri. can.also exhi.i. n.n.moti.n.that i. detectable on.y wi.h hi.hly sen.i.i.e i.strumen.s,an. thi. study shows that i. i. possi.le to detect bacteri.l n.n.moti.n.usi.g an.AFm detecti.n.*** results show that the n.n.moti.n.characteri.ti.s depen. on.the bacteri.l strai.,an. that n.n.moti.n.can.be used to sen.e the metaboli. acti.i.y of bacteri. because the osci.lati.n. are sen.i.i.e to the food preferen.es of the bacteri. an. the type of surroun.i.g medi.m.

关键词： n.n.moti.n Bacteri. Can.i.ever Osci.lati.n Atomi. force mi.roscopy metaboli.m

i.fluen.e of erbi.m on.structural,an. charged parti.les,photon.,an. n.utron. shi.ldi.g properti.s of Ba_(1-x)Er_(x)Sn._(3) perovski.e cerami.s

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Journ.l of Rare Earths 2024年第4期42卷 724-732页

作者： m.K.h.Hamad n.0}al Dwai.at m.H.A.mhareb m.i.Sayyed R.m.Hamad y.S.m.Alajerami.m.A.Almessi.re Gameel Saleh Ahmad Hussei. Alomari.K.A.Zi. Departmen. of Basi. Sci.n.es School of Social and Basics SciencesAl Hussein Technical UniversityKing Abdullah II St 242Amman11831Jordan Departmen. of Physi.s College of Engineering and PhysicsInterdisciplinary Research Center for Advanced MaterialsKing Fahd University of Petroleum&MineralsDhahran31261Saudi Arabia Departmen. of Physi.s College of ScienceImam Abdulrahman Bin Faisal UniversityP.O.Box 1982Dammam31441Saudi Arabia Basi. an. Appli.d Sci.n.i.i. Research Cen.er Imam Abdulrahman Bin Faisal UniversityP0.Box 1982Dammam31441Saudi Arabia Departmen. of Physi.s Faculty of ScienceIsra UniversityAmman11622Jordan Departmen. of n.clear medi.i.e Research Institute for Research and Medical Consultations(IRMC)Imam Abdulrahman Bin Faisal UniversityPo.Box 1982Dammam31441Saudi Arabia medi.al i.agi.g Departmen. Applied Medical Sciences FacultyAl Azhar University-Gaza CityPo.Box 1277Palestine Departmen. of Bi.physi.s Institute for Research and Medical Consultations(IRMC)Imam Abdulrahman Bin Faisal UniversityPo.Box1982Dammam 31441Saudi Arabia Departmen. of Bi.medi.al En.i.eeri.g College of EngineeringImam Abdulrahman Bin Faisal UniversityPo.Box 1982Dammam31441Saudi En.rgy&mi.erals Regulatory Commi.si.n Amman11821Jordan

Fi.e perovski.e cerami.s samples of Ba_(1-x)Er_(x)Sn._(3) wi.h x=0.00,0.05,0.10,0.15,an. 0.20 were syn.hesi.ed usi.g the con.en.i.n.l soli.-state reacti.n.*** prepared samples were characteri.ed by X-ray di.fracti.n.XRD),Fouri.r tran.forms i.frared(FTi.),an. UV-Vi. *** shi.ldi.g properti.s agai.st i.n.0}i.g radi.ti.n.were also *** XRD an.lysi. shows the perovski.e cubi. structure as the major phase i. all *** FTi. reveals a di.ti.cti.e ban. aroun. 614-620 cm^(-1) ascri.ed to the an.i.ymmetri. O-Sn.O ***-Vi. spectroscopy was used to determi.e the ban.gap accordi.g to di.fuse reflectan.e,an. the results di.play a fi.ed en.an.emen. i. the ban.gap from 3.2 to 3.3 eV for all ***-ray shi.ldi.g properti.s of the syn.hesi.ed samples were experi.en.ally measured an. compared wi.h XCOm computati.n.l *** relati.e di.feren.es(Δ,%)between.experi.en.al an. theo reti.al values are low an. fall wi.hi. the 0.446%-7.10%*** addi.i.n.of Er leads to the en.an.ed den.i.y,n.utron.an. gamma shi.ldi.g *** con.rast,charged parti.les’shi.ldi.g parameters gradually reduce wi.h ri.i.g Er *** results suggest that Ba_(1-x)Er_(x)Sn._(3) samples can.be used i. di.feren. radi.ti.n.shi.ldi.g appli.ati.n..

关键词： Perovski.e Cerami.s Gamma ray shi.ldi.g mass stoppi.g power Rare earths