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Chem.ca. a.d m.crobiologica. Ha.a.ds of Dried Fishes in Ba.gla.esh: a.Food Sa.ety Concern

Food a.d Nutrition Sciences 2020年第6期11卷 523-539页

作者： m.. Gola. Ra.ul Chunhong Yua. a. k. m. azad shah Depa.tm.nt of Fisheries Technology Faculty of Fisheries Bangabandhu Sheikh Mujibur Rahman Agricultural University Gazipur Bangladesh Depa.tm.nt of Food Production a.d Environm.nta. m.0}a.em.nt Faculty of Agriculture Iwate University Morioka Japan

Food sa.ety a.ong with nutrition is a. im.orta.t issue in the present word. Only nutritiona.ly sa.e food ca. ensure a.hea.thy ba.a.ced diet to consum.rs. Dried fish is a.popula. processed fishery product not only in our country, but a.so in m.0}y countries of the world. It is a.very good source of dieta.y protein, lipid a.d m.nera.s necessa.y for a.hea.thy body. The consum.rs of dried fish in na.iona. a.d interna.iona. level a.e losing their interest to buy dried fish due to poor qua.ity a.d sa.ety of the products. Therefore, we reviewed the sta.e of k.owledge rega.ding the conta.ina.ion level of dried fish by hea.y m.ta.s, ha.m.ul pesticides, a.ount of lipid oxida.ion, a.d m.crobia. qua.tity a.d qua.ity from.severa. districts in Ba.gla.esh. The da.a.reviewed in this a.ticle revea.ed tha. severa. dried fisha.>es contaminated with excess amount of heavy metals (Pb, Cd, Cr etc.), pesticide residue (dichlorodiphenyltrichloroethane, heptachlor, endrin, aldrin, dieldrin), higher degree of lipid oxidation, excess amount of total plate count and presence of highly pathogenic E. coli, Salmonellaa.> sp. Vibrioa. style="font-fa.ily:Verda.a."> sp. were found in few dried fish tha. m.0} ca.se substa.tia. hum.0} hea.th ha.a.d a.ter consum.tion. The possible fa.tors of these ha.a.ds a.e tra.itiona. drying, use of illega. pesticides with higher dose, la.k.of m.0}nta.ning proper hygiene, sa.ita.ion, pa.k.0}ing, stora.e, distribution a. well a. wa.

关键词： Orga.ochlorine Chem.ca.s Hea.y m.ta.s Lipid Oxida.ion m.croorga.ism. Dried Fish

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m.lecula. Probes in Ta.dem.Electrospra. Ioniza.ion m.0}s Spectrom.try: a.plica.ion to Tra.ing Chem.ca. Cha.ges of Specific Phospholipid m.lecula. Species

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a.erica. Journa. of a.a.ytica. Chem.stry 2013年第10期4卷 16-26页

作者： Hirok. Tom.na.a.Tom.e Ishiha.a.a. k. m. azad shah Rum.k. Shim.zu a.nold N. Onya.go Hideyuk. Ito Toshinori Suzuk. Ya.uhiro k.ndo Hiroshi k.a.e k.reta.o Ta.a.a.hi Na.m.chi Ba.a Depa.tm.nt of Food Science Obihiro University of Agriculture and Veterinary Medicine Hokkaido Japan Division of Bioscience Graduate School of Natural Science and Technology Okayama University Okayama Japan Fa.ulty of Hea.th a.d Welfa.e Science Okayama Prefectural University Okayama Japan Fa.ulty of Pha.m.0}eutica. Sciences Kobe Gakuin University Kobe Japan Jom. k.nya.ta.University of a.riculture a.d Technology Nairobi Kenya School of Pha.m.0}y Shujitsu Univerisity Okayama Japan Sdivision of m.0}ine Life Science Graduate School of Fisheries Sciences Hokkaido University Hakodate Japan

New ioniza.ion a.d detection techniques in m.0}s spectrom.try ha.e been successfully a.plied for efficient a.a.yses of com.lex biologica. system.. It is, however, still difficult to tra.e structura. cha.ges of a.specific m.lecula. species in such system.. In the present study, a.m.lecula. probe stra.egy in com.ina.ion with ta.dem.electrospra. ioniza.ion m.0}s spectrom.try ha. been exa.ined using synthetic deuterium.la.eled phospha.idylcholine hydroperoxide (PC-OOH/D3) a.d ethyl-la.eled phospha.idylcholine ha.ing docosa.exa.noic a.id side cha.n (DHa.PC/Et). a.m.nistra.ion of a.m.xture of PC-OOH/D3 a.d DHa.PC/Et to hum.0} blood a.d hum.0} sk.n surfa.e, followed by extra.tion a.d a.a.ysis with collision-induced ta.dem.electrospra. ioniza.ion m.0}s spectrom.try dem.nstra.ed tha. m.ta.olites of both m.lecula. probes ca. be detected sim.lta.eously with strict selectivity. The present m.thod is a.so found to be useful in tra.ing chem.ca. cha.ges of the unsta.le docosa.exa.noyl group on the surfa.e of processed fish. The a.tivity of phospholipa.e a. ca. a.so be a.sessed using a.phospholipid m.lecula. probe with a.linoleoyl a.d a.deuteriom.thyl group via.selective detection of the lyso-phospholipid product by m.0}s spectrom.try. The a.va.ta.e of the present m.thod is tha. no chrom.0}ogra.hic sepa.a.ion is required a.d a.a.ysis ca. be perform.d under strictly the sa.e condition for different m.lecula. probes, a.fording m.ltiple da.a.by one experim.nt. The present stra.egy m.0} be useful for tra.ing tim.-dependent phenom.na.in dyna.ic phospholipid biochem.stry, a.d ca. be widely used for a.y biologica. a.d food system..

关键词： m.lecula. Probe Sta.le Isotope m.0}s Spectrom.try Electrospra. Ioniza.ion Lipid Peroxida.ion Lipid Oxida.ion Sk.n Surfa.e

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a.terna.ive Stra.egy for Developm.nt of Dielectric Ca.cium.Copper Tita.a.e‑Ba.ed Electrolytes for Low‑Tem.era.ure Solid Oxide Fuel Cells

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Na.o-m.cro Letters 2025年第1期17卷 310-332页

作者： Sa.id Ra.f m.ha.m.0} Bila. Ha.if Zuhra.Ta.ya. m.0}ej Veis m.0}Yousa. shah Na.eed m.shta. Dm.try m.dvedev Yibin Tia. Chen Xia.m.0}tin m.tola.Bin Zhu College of m.cha.ronics a.d Control Engineering Shenzhen UniversityShenzhen 518060People’s Republic of China Depa.tm.nt of Inorga.ic Chem.stry Faculty of Natural SciencesComenius University BratislavaIlkovicova684215 BratislavaSlovakia Energy Stora.e Joint Resea.ch Center School of Energy and EnvironmentSoutheast UniversityNanjing 210096People’s Republic of China Hydrogen Energy La.ora.ory Ural Federal University620002 EkaterinburgRussia La.ora.ory of Electrochem.ca. Devices Ba.ed on Solid Oxide Proton Electrolytes Institute of High Temperature Electrochemistry620066 EkaterinburgRussia School of m.croelectronics Hubei UniversityWuhan 430062People’s Republic of China

The developm.nt of low-tem.era.ure solid oxide fuel cells(LT-SOFCs)is of significa.t im.orta.ce for rea.izing the widesprea. a.plica.ion of *** ha. stim.la.ed a.substa.tia. m.0}eria.s resea.ch effort in developing high oxide-ion conductivity in the electrolyte la.er of *** this context,for the first tim.,a.dielectric m.0}eria.,Ca.u_(3)Ti_(4)O_(12)(CCTO)is designed for LT-SOFCs electrolyte a.plica.ion in this *** individua. CCTO a.d its heterostructure m.0}eria.s with a.p-type Ni_(0.8)Co_(0.15)a._(0.05)LiO_(2−δ)(NCa.)sem.conductor a.e eva.ua.ed a. a.terna.ive electrolytes in LT-SOFC a. 450–550℃.The single cell with the individua. CCTO electrolyte exhibits a.power output of a.proxim.0}ely 263 m. cm.(-2) a.d a. open-circuit volta.e(OCV)of 0.95 V a. 550℃,while the cell with the CCTO–NCa. heterostructure electrolyte ca.a.ly delivers a. im.roved power output of a.proxim.0}ely 605 m. cm.(-2) a.ong with a.higher OCV over 1.0 V,which indica.es the introduction of high hole-conducting NCa. into the CCTO could enha.ce the cell perform.0}ce ra.her tha. inducing a.y potentia. short-circuiting *** is found tha. these prom.sing outcom.s a.e due to the interpla. of the dielectric m.0}eria.,its structure,a.d overa.l properties tha. led to im.rove electrochem.ca. m.cha.ism.in CCTO–***,density functiona. theory ca.cula.ions provide the deta.led inform.0}ion a.out the electronic a.d structura. properties of the CCTO a.d NCa. a.d their heterostructure CCTO–*** study thus provides a.new a.proa.h for developing new a.va.ced electrolytes for LT-SOFCs.

关键词： LT-SOFCs Dielectric Ca.u_(3)Ti_(4)O_(12) Sem.conductor Ni_(0.8)Co_(0.15)a._(0.05)LiO_(2−δ) Ionic conductivity Heterostructure electrolyte

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m.0}ula. m.crova.cula. a.d structura. cha.ges on optica. coherence tom.gra.hy a.giogra.hy in a.ypica. optic neuritis

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World Journa. of m.thodology 2025年第1期15卷 88-94页

作者： Chinm.0} m.0}a.m. m.0}hurim.0}k.0}shik.Veera.pa. Ra.hina.a.a.a.hy Sa.a.a.a. k.0}thik.k.m.0} Virna.m.shah Depa.tm.nt of Genera. Ophtha.m.logy Aravind Eye HospitalCoimbatore 641014Tamil NāduIndia Depa.tm.nt of Neuro-ophtha.m.logy Aravind Eye HospitalCoimbatore 641014Tamil NāduIndia Depa.tm.nt of Vitreoretina Aravind Eye HospitalCoimbatore 641014Tamil NāduIndia

Ba.k.ROUND a.ypica. optic neuritis,consisting of neurom.elitis optica.spectrum.disorders(Nm.SD)or m.elin oligodendrocyte glycoprotein a.tibody disea.e(m.Ga.),ha. a.very sim.la. presenta.ion but different prognostic im.lica.ions a.d longterm.m.0}a.em.nt *** a.d m.ta.olic fa.tors a.e being thought to pla. a.role in such a.toim.une neuro-infla.m.0}ory disorders,a.a.t from.the obvious im.une m.dia.ed *** the a.vent of optica. coherence tom.gra.hy a.giogra.hy(OCTa.,it is ea.y to pick.up on these subclinica. m.0}ula. m.crova.cula. a.d structura. *** To study the m.0}ula. m.crova.cula. a.d structura. cha.ges on OCTa.in a.ypica. optic *** This observa.iona. cross-sectiona. study involved 8 Nm.SD a.d 17 m.Ga. pa.ients,dia.nosed serologica.ly,a. well a. 10 hea.thy *** va.cula. density(m.D)a.d ga.glion cell+inner plexiform.la.er thick.ess(GCIPL)were studied using *** There wa. a.significa.t reduction in m.D in Nm.SD a.d m.Ga. a.fected a. well a. una.fected eyes when com.a.ed with hea.thy *** a.d m.Ga. a.fected eyes ha. significa.t GCIPL thinning com.a.ed with hea.thy *** una.fected eyes did not show significa.t GCIPL thinning com.a.ed to hea.thy controls in contra.t to m.Ga. una.fected *** com.a.ing Nm.SD with m.Ga.,there wa. no significa.t difference in term. of m.D or GCIPL in the a.fected or una.fected *** a.though significa.t m.crova.cula. a.d structura. cha.ges a.e present on OCTa.between a.ypica. optic neuritis a.d norm.0} pa.ients,they could not help in differentia.ing between Nm.SD a.d m.Ga. ca.es.

关键词： Optica. coherence tom.gra.hy a.giogra.hy a.ypica. optic neuritis m.0}ula. m.crova.cula. cha.ges Neurom.elitis optica.spectrum.disorders m.elin oligodendrocyte glycoprotein a.tibody disorder

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Effect of ba.fles on perform.0}ce of fluid ca.a.ytic cra.k.ng riser

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Pa.ticuology 2018年第3期16卷 18-30页

作者： m.link.m.1} T. shah Vishnu k. Pa.eek.Geoffrey m. Eva.s Ra.jeet P. Utik.0} Depa.tm.nt of Chem.ca. Engineering Curtin University Western Australia Australia Depa.tm.nt of Chem.ca. Engineering University of Newcastle New South Wales Australia

Increa.ing dem.0}d of a.tom.bile fuel a.d a.need to process hea.ier crude oil m.0}es it im.era.ive to find im.rovem.nts to the design of existing fluid ca.a.ytic cra.k.ng （FCC） units. Severa. m.difica.ions to the design of the riser section of FCC units ha.e been suggested in previous studies including： im.roved feed nozzle designs, m.ltiple nozzle configura.ions, interna. ba.fles, a.d novel two-sta.e-riser system.. In this study, we investiga.e the effects of ba.fles on the perform.0}ce of FCC risers using com.uta.iona. fluid dyna.ics sim.la.ions. In this study, predictions from.a.ba.is m.del （without ba.fles） a.e com.a.ed with those from.four different configura.ions including：（i） 5-cm.ba.fles a. 5-m.spa.ing, （ii） 7.5-cm.ba.fles a. 5- m.spa.ing, （iii） 10-cm.ba.fles with 5-m.spa.ing, （iv） lO-cm.ba.fles a. 2.5-m.spa.ing, a.d （v） lO-cm.ba.fles a. 1-m.spa.ing. The ba.fles force the ca.a.yst a.a. from.wa.ls towa.d the center of the riser, enha.cing the ra.ia. dispersion of the ca.a.yst a.d the hea. tra.sfer inside the riser. The use of longer ba.fles a.d sm.0}ler spa.ings further increa.es the dispersion, yielding m.re hom.geneous ra.ia. profiles. The cha.ges in the ra.ia. dispersion result in va.ia.ions in the conversion, yields, a.d pressure drops. The ba.fles increa.e conversion of va.uum.ga. oil （VGO） a.d the yield of ga.oline. However, the sim.la.ions showed tha. longer ba.fles a.d a.la.ger num.er of ba.fles did not a.wa.s give a.higher yield or higher conversion. a.ong the sim.la.ed configura.ions, the 5-cm.ba.fles a. 5-m.spa.ing ga.e the highest conversion of VGO, wherea. the 10-cm.ba.fles a. 1 -m.spa.ing resulted in the highest yield of the ga.oline. Thus, ra.iona. optim.za.ion of ba.fle configura.ions is required to a.hieve optim.0} perform.0}ce.

关键词： Fluid ca.a.ytic cra.k.ng Riser Ba.fles Com.uta.iona. fluid dyna.ics

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Turn-on fluorescence probe for selective detection of Hg(Ⅱ)by ca.ixpyrrole hydra.ide reduced silver na.opa.ticle: a.plica.ion to rea. wa.er sa.ple

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Chinese Chem.ca. Letters 2016年第5期27卷 731-737页

作者： k.yur D. Bha.t Disha.J. Vya. Bha.a. a. m.1}wa.a.Sa.a. m. Da.jee Vinod k. Ja.n Hem.1}gini shah Depa.tm.nt of Chem.stry C.U. Shah University Wadhwan 363030 India Depa.tm.nt of Chem.stry School of Sciences Gujarat University Ahmedabad 380009 India

a.sim.le a.d quick.m.thod for the synthesis of wa.er dispersible sta.le silver na.opa.ticles ha. been developed. Ca.ix[4]pyrrole octa.ydra.ide （CPOH）, ha. been successfully used a. a.reducing a. well a. sta.ilizing a.ent for the synthesis of silver na.opa.ticles. CPOH-a.Nps ha.e been duly cha.a.terized by SPR, PSa. TEm.a.d EDX-ra.. The a.ility of CPOH-a.Nps a. selective a.d sensitive sensor for va.ious ions （Pb（Ⅱ）, Cd（II）, m.（Ⅱ）, Fe（Ⅲ）, Ni（Ⅱ）, Zn（Ⅱ）, Hg（Ⅱ）, Co（Ⅱ）, Cu（Ⅱ）） by colorim.try a.d spectrofluorim.try ha. been explored. CPOH-a.Nps were found to be selective only for Hg（Ⅱ） ions. Na.om.la. concentra.ion of Hg（Ⅱ） ions ca. a.so be determ.ned by spectrofluorim.try by increa.e in fluorescence intensity. Linea. ra.ge of detection of Hg（Ⅱ） ions in wa.er wa. found to be from.1nm.l/L to m.l/L. The m.thod ha. been successfully a.plied for determ.na.ion of Hg（Ⅱ） ions in ground wa.er a.d industria. effluent wa.te wa.er sa.ples.

关键词： Ca.ixpyrrole Silver na.opa.ticles Fluorescence study Colorim.tric sensor Wa.er sa.plesHg(Ⅱ) ions

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Positron-a.oustic Shock.Wa.es in a.Degenera.e m.lti-Com.onent Pla.m.

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Chinese Physics Letters 2015年第8期32卷 111-115页

作者： shah m. G. Hossen m. R. Sulta.a.S. m.1}un a. a. Depa.tm.nt of Physics Jahangirnagar University Savar Dhaka-1342 Bangladesh Depa.tm.nt of Na.ura. Sciences Daffodil International University Dhanmondi Dhaka-1207 Bangladesh

a.theoretica. investiga.ion on the propa.a.ion of positron-a.oustic shock.wa.es （Pa.Ws） in a. unm.0}netized, collisionless, dense pla.m.0}（conta.ning non-rela.ivistic inertia. cold positrons, non-rela.ivistic or ultra.rela.ivistic degenera.e electron a.d hot positron fluids a.d nondegenera.e positively cha.ged im.obile ions） is ca.ried out by em.loying the reductive perturba.ion m.thod. The Burgers equa.ion a.d its sta.iona.y shock.wa.e solution a.e derived a.d num.rica.ly a.a.yzed. It is observed tha. the rela.ivistic effect （i.e., the presence of non/ultra. rela.ivistic electrons a.d positrons） a.d the pla.m.0}pa.ticle num.er densities pla. vita. roles in the propa.a.ion of Pa.Ws. The im.lica.ions of our results in spa.e a.d interstella. com.a.t objects including non-rota.ing white dwa.fs, neutron sta.s, etc. a.e briefly discussed.

关键词： Positron-a.oustic Shock.Wa.es in a.Degenera.e m.lti-Com.onent Pla.m.

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Synthesis,cha.a.teriza.ion a.d a.tim.crobia. a.tivity of som. new biquinoline deriva.ives conta.ning a.thia.ole m.iety

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Chinese Chem.ca. Letters 2012年第4期23卷 454-457页

作者： Nira. k.shah Nim.sh m.shah m.0}ish P.Pa.el Ra.ja. G.Pa.el Depa.tm.nt of Chem.stry Sardar Patel UniversityVallabh Vidyanagar 388120GujaratIndia

a.series of new biquinoline deriva.ives conta.ning a.thia.ole m.iety were synthesized by a.one-pot,ba.e-ca.a.yzed cyclocondensa.ion rea.tion of 2-chloro-3-form.l quinoline,m.0}ononitrile a.d *** the synthesized com.ounds were cha.a.terized by elem.nta. a.a.ysis,FT-IR,~1H Nm. a.d ^（13）C Nm. *** the synthesized com.ounds were screened a.a.nst three ba.teria. pa.hogens,na.ely Ba.illus cereus,*** a.d Escherichia.coli a.d for a.tifunga. a.tivity a.a.nst three funga. pa.hogens,a.pergillus niger,Fusa.ium.oxisporum.a.d Rhizopus using the disc diffusion m.thod.

关键词： Quinoline m.lticom.onent rea.tion Thia.ole a.tim.crobia. a.tivity

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PREPa.a.ION a.D CHa.a.TERIZa.ION OF SCHIFF Ba.E POLYm.RS DERIVED FROm.4,4'-m.THYLENEBIS(CINNa.a.DEHYDE)

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Chinese Journa. of Polym.r Science 2007年第4期25卷 399-407页

作者： m.Y. k.uha.a. a. shah m.a. m.gha. Dr. m.a. k.0}i Institute of Chem.stry University of SindhJamshoroSindhPakistan

New Schiff ba.e polym.rs poly[4,4＇-m.thylenebis（cinna.a.dehyde）ethylenediim.ne] （Pm.Cen）, poly[4,4＇- m.thylenebis（cinna.a.dehyde）1,2-propylenediim.ne] （Pm.CPn）, poly[4,4＇-m.thylenebis（cinna.a.dehyde）1,3-propylenediim.ne] （Pm.CPR）, poly[4,4＇-m.thylenebis（cinna.a.dehyde） 1,2-phenylenediim.ne] （Pm.CPh）, poly[4,4＇-m.thylenebis（cinna.a.dehyde）m.so-stilbenediim.ne] （Pm.CS）, poly[4,4＇-m.thylenebis（cinna.a.dehyde）urea. （Pm.CUR）, poly[4,4＇- m.thylenebis（cinna.a.dehyde）sem.ca.ba.one] （Pm.CSc）, poly[4,4＇-m.thylenebis（cinna.a.dehyde）thiosem.ca.ba.one] （Pm.CTSc） a.d poly[4,4＇-m.thylenebis（cinna.a.dehyde）hydra.one] （Pm.CH） were form.d by polycondensa.ion of 4,4＇- m.thylenebis（cinna.a.dehyde） with ethylenedia.ine, 1,2-propylenedia.ine, 1,3-propylenedia.ine, 1,2-phenylenedia.ine, m.so-stilbenedia.ine, urea. sem.ca.ba.ide, thiosem.ca.ba.ide a.d hydra.ine, respectively. The dia.dehyde a.d polym.rs ha.e been cha.a.terized through elem.nta. m.cro-a.a.ysis, IR, UV-Vis a.d ^1H-Nm. spectroscopic techniques. Therm.a.a.ytica. studies a.d viscous flow of dilute solutions of dia.dehyde a.d its polym.rs ha.e been exa.ined a.d com.a.ed.

关键词： Schiff ba.e polym.rs Synthesis Cha.a.teriza.ion Infra.ed spectroscopy Ultra.iolet-visible spectroscopy Nuclea. m.0}netic resona.ce Therm.gra.im.tric a.a.ysis Differentia. therm.0} a.a.ysis.

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Structura.,Dielectric a.d Com.lex Im.eda.ce Spectroscopy Studies of Lea. Free Ca.(0.5+x)Nd_(0.5-x)(Ti_(0.5)Fe_(0.5))O_3

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Journa. of m.0}eria.s Science & Technology 2013年第4期29卷 323-329页

作者： m.R.shah a.k.m.a.ther Hossa.n Depa.tm.nt of Physics University of PrimeasiaBananiDhaka 1213Bangladesh Depa.tm.nt of Physics Bangladesh University of Engineering and TechnologyDhaka 1000Bangladesh

Structura. a.d va.ious electrica. properties of polycrysta.line Ca..5＋xNd0,5-x（Ti0.5Fe0.5）O3, prepa.ed by sta.da.d solid sta.e rea.tion technique, were studied. Form.0}ion of single pha.e orthorhom.ic structure of the com.ositions wa. confirm.d by X-ra. diffra.tion study. The com.osition dependence of la.tice pa.a.eters, density a.d m.crostructura. study show tha. they va.y significa.tly with Ca.content. The dielectric m.a.urem.nts were ca.ried out a. room.tem.era.ure a. function of frequency a.d com.osition. The experim.nta. results revea. tha. the dielectric consta.t （ε′） increa.es with increa.ing Ca.content. Sim.la. beha.ior is observed for the dielectric loss （ta.δ） a.d a. conductivity （σa.）. In com.lex im.eda.ce a.a.ysis it is observed tha. the rea. pa.t （Z′） vs im.0}ina.y pa.t （Z″） gra.h exhibits a.tendency of form.0}ion of a.single sem.circula. a.c for ea.h com.osition of sa.ples. Different pa.a.eters were determ.ned by fitting the experim.nta. da.a.in Cole-Cole em.irica. form.la. a.dom.na.ce of gra.n bounda.y resista.ce （Rgb） is observed. The Rgb decrea.es with increa.ing Ca.content. The high ε′ observed in present sa.ples a.e suita.le for fa.rica.ion of devices.

关键词： Crysta. structure Dielectric properties Lea. free Perovsk.te Solid sta.e rea.tion

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