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r.tional.y designed synthesis of br.ght AgInS2/ZnS quantum dots with emission contr.l

Nano r.sear.h 2020年第9期13卷 2438-2450页

作者： Jose X.Soar.s K.David Wegner.David S.M.r.beir. Ar.indo Mel. Ines Hausl.r.Joao l.M.santos Ute r.sch-Genger l.QV-r.QUIMTE Department of Chemical SciencesLaboratory of Applied ChemistryFaculty of PharmacyUniversity of PortoRua de Jorge Viterboferreira228Porto4050-313Portugal Feder.l.Institute for.Mater.al. r.sear.h and Testing(BAM) Division BiophotonicsRichard-Willstaetter-Strasse 1112489 BerlinGermany l.QV-r.QUIMTE Laboratorio de Bromatologia e HidrologiaDepartamento de Ciencias QutmicasFaculdade de Farmacia da Universidade do PortoRua de Jorge Viterboferreira228Porto4050-313Portugal Technische Univer.itat Ber.in Institutfiir Optik und Atomare PhysikStrafie des 17.Juni 13510623 BerlinGermany

In the bl.ssoming fiel. of Cd-fr.e semiconductor.quantum dots(QDs),ter.ar. Ⅰ-Ⅲ-VI QDs have r.ceived incr.asing attention due to the ease of the envir.nmental.y fr.endl. synthesis of high-qual.ty mater.al. in water.their.high photol.minescence(Pl.quantum yiel.s(QYs)in the r.d and near.infr.r.d(NIr.r.gion,and their.inher.ntl. l.w ***,their.oxygen-insensitive l.ng Pl.l.fetimes of up to sever.l.hundr.ds of nanoseconds cl.se a gap for.appl.cations expl.iting the compound-specific par.meter.Pl.*** over.ome the l.ck of r.pr.ducibl. synthetic methodol.gies and to enabl. a design-based contr.l.of their.Pl.pr.per.ies,we assessed and model.ed the synthesis of high-qual.ty MPA-capped Agl.S2/ZnS(Al./ZnS)*** r.fined par.meter. incl.ded r.action time,temper.tur.,Ag:In r.tio,S:In r.tio,Zn:In r.tio,MPA:l. r.tio,and pH using a design-of-exper.ment *** for.the optimization was pr.vided by mathematical.model. devel.ped for.the appl.cation-r.l.vant Pl.par.meter.,maximum Pl.wavel.ngth,QY,and Pl.l.fetime as wel. as the el.mental.composition in ter.s of Ag:l.:Zn *** these exper.mental.data-based model.,MPA:l. and Ag:l. r.tios and pH val.es wer. identified as the most impor.ant synthesis par.meter. for.Pl.contr.l.and an insight into the connection of these par.meter. coul. be ***,the exper.mental.conditions to synthetize QDs with tunabl. emission and high QY wer. *** excel.ent agr.ement between the pr.dicted and exper.mental.y found Pl.featur.s confir.ed the r.l.abil.ty of our.methodol.gy for.the r.tional.design of high qual.ty Al./ZnS QDs with defined Pl.*** appr.ach can be str.ightfor.ar.l. extended to other.ter.ar. and quater.ar. QDs and to doped QDs.

关键词： quantum dot cor./shel. nanopar.icl. sil.er.indium sul.ide micr.w ave-assisted synthesis design of exper.m ent photol.minescence

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Conceptual.Design of a Sugar.Cane Biomass Gasifier.Using CSFMB Model

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Jour.al.of Ener.y and Power.Engineer.ng 2011年第3期5卷 233-237页

作者： D. Bastos-Netto r.r. r.ehl.M.l. Souza-santos Val. Sol.coes em Ener.ia - r.d. Pr.s. Dur.a km 138 Eugenio de Melo 12247-00 S~o Jos~ dos Campos SP Brazil Facul.y of Mechanical.Engineer.ng University of Campinas （UNICAMP） 13083-970- P.O. Box 6122- Campinas SP Brazil

Since 1978, Br.zil.has invested into bio-fuel. al.er.atives, especial.y ethanol.fr.m sugar.cane pr.cessing and that has incr.ased the bagasse pr.duction, which r.quir.s pr.per.destination and a potential.use of such biomass is the gasification pr.cess. In the pr.sent study, a conceptual.design of a gasification system to conver. sugar.cane bagasse into syngas is pr.sented, which consider. air.as gasification agent in a fl.xibl. configur.tion of bubbl.ng fl.idized bed r.actor.oper.ting fr.m atmospher.c pr.ssur. up to 2 MPa, pr.viding a net power.output （r.fer.ed at gas col. conditions） of 3 MWt and 66 MWt, r.spectivel.. In this l.st case, the gas may be used not just as a fuel.for.gas tur.ines and inter.al.combustion engines for.power.gener.tion but al.o to feed Fischer.Tr.psch pr.cesses. The optimized conceptual.design of the gasifier.is descr.bed her. and was achieved using the CSFMB （Compr.hensive Simul.tor.of Fl.idized and Moving Bed Equipment）. Simul.tions pr.dicted the pr.duction of gas with high heating val.e as wel. stabl. oper.tions at both conditions. The conceptual.design woul. be fol.owed by the detail.d one and constr.ction. Tests woul. be car.ied in the near.futur. and woul. al.ow dir.ct compar.son between the cal.ul.ted and exper.mental.r.sul.s.

关键词： Biomass gasification simul.tion fl.idized bubbl.ng bed.

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Gl.bal.mul.ipl.city of sol.tions to a defocusing quasil.near.Schr.dinger.equation with the singul.r.ter.

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Science China Mathematics 2023年第8期66卷 1789-1812页

作者： Siyu Chen Car.os Al.er.o santos Minbo Yang Jiazheng Zhou Depar.ment of Mathematics Zhejiang Normal UniversityJinhua 321004China Depar.amento de Matematica Universidade de BrasiliaBraslia 70910-900Brazil

We consider.a cl.ss of modified quasil.near.Schr.dinger.equations-△u+k/2u△u^(2)=λα(x)u^(-α)+b(x)u^(β) in Ω with u(x)=0 on■Ω,wher. Ω■r.(N)is a bounded domain with a r.gul.r.boundar.,N≥3,a and b ar. bounded mensur.bl. functions,0r. two *** establ.sh the gl.bal.existence and mul.ipl.city r.sul.s of positive sol.tions in H^(1)_(0)(Ω)∩l.(∞)(Ω)for.appr.pr.ate cl.sses of par.meter. k andλand coefficients a(x)and b(x).

关键词： quasil.near.Schr.dinger.equation singul.r.ter. squar. diffusion ter.

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Coating independent cytotoxicity of citr.te-and PEG-coated sil.er.nanopar.icl.s on a human hepatoma cel. l.ne

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Jour.al.of Envir.nmental.Sciences 2017年第1期29卷 191-201页

作者： Ver.nica Bastos Jose M.P.Fer.eir.-de-Ol.veir. Joana Car.ol. Ana l.Daniel.da-Sil.a Iol. F.Duar.e Conceicao santos Hel.na Ol.veir. CESAM&l.bor.tor. of Biotechnol.gy and Cytomics Department of BiologyUniversity of Aveiro3810-193 AveiroPortugal CICECO-Aveir. Institute of Mater.al. Department of ChemistryUniversity of Aveiro3810-193 AveiroPortugal Depar.ment of Biol.gy Faculty of SciencesUniversity of Porto4169-007 PortoPortugal

The antibacter.al.potential.of sil.er.nanopar.icl.s（AgNPs） r.sul.ed in their.incr.asing incor.or.tion into consumer.industr.al.and biomedical.***,human and envir.nmental.exposur. to AgNPs（either.as an engineer.d pr.duct or.a contaminant）suppor.s the emer.ent r.sear.h on the featur.s confer.ing them differ.nt toxicity *** this study,30 r.n AgNPs coated with citr.te or.pol.（ethyl.ne gl.col.（PEG） wer. used to assess the infl.ence of coating on the effects pr.duced on a human hepatoma cel. l.ne（HepG2）,namel. in ter.s of viabil.ty,apoptosis,apoptotic r.l.ted genes,cel. cycl. and cycl.ns gene *** types of coated AgNPs decr.ased cel. pr.l.fer.tion and viabil.ty with a simil.r.toxicity *** the concentr.tions used（11 and 5 μg/ml.cor.esponding to IC50 and-IC10 l.vel.,r.spectivel.） the amount of cel.s under.oing apoptosis was not significant and the apoptotic r.l.ted genes BCl.（anti-apoptotic gene）and BAX（pr.-apoptotic gene） wer. both ***,both AgNPs affected HepG2 cel. cycl. pr.gr.ssion at the higher.concentr.tion（11 μg/ml. by incr.asing the per.entage of cel.s in S（synthesis phase） and G2（Gap 2 phase） *** the cel.-cycl. r.l.ted genes,the expr.ssion of cycl.n B1 and cycl.n E1 genes wer. ***,this wor. has shown that citr.te- and PEG-coated AgNPs impact on HepG2 apoptotic gene expr.ssion,cel. cycl. dynamics and cycl.n r.gul.tion in a simil.r.*** r.sear.h is needed to deter.ine the pr.per.ies that confer.AgNPs at l.wer.toxicity,since their.use has pr.ved hel.ful.in sever.l.industr.al.and biomedical.contexts.

关键词： Sil.er.nanopar.icl.s(AgNPs) Citr.te Pol.ethyl.ne gl.col.(PEG) HepG2 cel.s Cytotoxicity Nanotoxicol.gy

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Expr.ssion of the Genes OsNr.1.1, OsNr.2.1, OsNr.2.2, and Kinetics of Nitr.te Uptake in Genetical.y Contr.sting r.ce Var.eties

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Amer.can Jour.al.of Pl.nt Sciences 2015年第2期6卷 306-314页

作者： Osmár.o J. l. Ar.újo Mil.na S. Pinto Mar.us V. l. Sper.ndio l.andr. A. santos El.ia M. l. M. Star. Manl.o S. Fer.andes Andr. Mar.ues dos santos Sonia r.gina de Souza Pl.nt Nutr.tion l.bor.tor. Department of Soil Universidade Federal Rural do Rio de Janeiro Seropédica Brazil Pl.nt Biochemistr. l.bor.tor. Department of Chemistry Universidade Federal Rural do Rio de Janeiro Seropédica Brazil

Four.genetical.y contr.sting r.ce var.eties (IAC-47, Bico Ganga, Ar.oz de r.venda and Manteiga) accor.ing to r.ndom Ampl.fied Pol.mor.hic DNA (r.PD) anal.sis wer. assessed r.gar.ing expr.ssion of the genes OsNr.1.1, OsNr.2.1 and OsNr.2.2 and the nitr.te uptake kinetics par.meter. (Km and Vmax). Up to 250-fol. incr.ases in the induction of gene expr.ssion after.nitr.te r.suppl. wer. obser.ed for.the high-affinity tr.nspor.er.(OsNr.2.1 and OsNr.2.2). However. no significant var.ations in Vmax among the var.eties wer. obtained. The l.wer.val.e of Km of the IAC-47 cul.ivar.in r.l.tion to the Ar.oz de r.venda var.ety suggests a gr.ater.r.l. of high-affinity tr.nspor.er.genes. These r.sul.s indicate that cl.ser.attention shoul. be paid to the expr.ssion l.vel. of these genes in sel.cting var.eties aiming to enhance nitr.gen uptake efficiency.

关键词： r.PD Nitr.gen Nitr.gen Use Efficiency Or.za sativa l.

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粉末冶金高速钢在汽车零件--气门座圈中的应用

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粉末冶金技术 2011年第2期29卷 149-153页

作者： r.ssi J.l.Sal.ado l. Jesus Fil.o E.S. Jesus E.r.B. Ambr.zio Fil.o F. santos J.C. Col.sio M.A. Instituto de Pesquisas Ener.6ticas e Nucl.ar.s-IPEN Powder.Pr.cessing Centr.-CPP P.O.Box 11049-CEP 05422-970-Sao Paulo Gener.l.Motor. do Br.sil.Mater.al. and Fastening Engineer.ng P.O.Box 197-CEP 09501-970-Sgo Caetano do Sul-SP巴西

这篇文章介绍了关于高速钢用于气门座圈的情况。评定了两种材料:一种是研发的高速钢M3/2粉、Fe粉及NbC的混合粉制造的材料;一种是为了比较,由Fe-Co合金制造的气门座圈。用SEM对研制的气门座圈的显微组织进行了鉴定。对研发的高速钢的物... 详细信息

这篇文章介绍了关于高速钢用于气门座圈的情况。评定了两种材料:一种是研发的高速钢M3/2粉、Fe粉及NbC的混合粉制造的材料;一种是为了比较,由Fe-Co合金制造的气门座圈。用SEM对研制的气门座圈的显微组织进行了鉴定。对研发的高速钢的物理-力学性能将分别介绍密度、硬度、径向压溃强度及切削加工性。

关键词：粉末冶金高速钢汽车零件气门座圈

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High-thr.ughput phenotyping by appl.ing digital.mor.hometr.cs and fl.or.scence induction cur.es in seeds to identifying var.ations:A case study of Annona(Annonaceae)species

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Infor.ation Pr.cessing in Agr.cul.ur. 2018年第4期5卷 443-455页

作者： Montchar.es S.Pontes Car.os V.Montefusco-Per.ir. Biswapr.ya B.Misr. Howar. l.r.beir.-Junior.Daniel. E.Gr.ciano Jaquel.ne S.santos Michel. A.S.Nobr.ga Shal.ne S.l.Fer.andes Ander.on r.l.Cair.s Etenal.o F.Santiago Pl.nt r.sour.es Study Gr.up Natural Resources Study CenterUniversidade Estadual de Mato Grosso do Sul79804-970-P.O.Box.351DouradosMSBrazil Pr.gr.ma de Pos-Gr.duacao em r.cur.os Natur.is(PGr.) Universidade Estadual de Mato Grosso do SulDouradosMSBrazil Phar.aceutical.and Medicinal.Chemistr. Saarland University and Helmholtz Institute for Pharmaceutical Research Saarland(HIPS)Campus C2.3D-66123 SaarbruckenGermany Center.for.Pr.cision Medicine Department of Internal MedicineSection on Molecular MedicineWake Forest School of MedicineMedical Center BoulevardWinston SalemNC 27157USA Center.for.r.sear.h and Dr.g Devel.pment Universidade Federal do Ceara60160250 FortalezaCEBrazil Appl.ed Optics Gr.up Laboratory of BiophotonicsUniversidade Federal da Grande Dourados79804-970-P.O.Box.351DouradosMSBrazil Optics and Photonic Gr.up Institute of PhysicsUniversidade Federal de Mato Grosso do SulCP 54979070-900 Campo GrandeMSBrazil

Differ.nces in physical.and str.ctur.l.char.cter.stics of seeds may indicate var.abil.ty within and between pl.nt *** the pr.sent study,we per.or.ed a cl.se char.cter.zation of dimension,shape,and tegument del.yed chl.r.phyl. fl.or.scence in seeds obtained fr.m thr.e species of the genus Annona(Annonaceae),i.e.,Annona cor.acea,***,*** showed that studied seeds may be sor.ed as scal.ne el.ipsoids expr.ssing l.w val.es for.the seed *** mor.hol.gical.estimates suggested differ.nces in seed shape for.al. species.A high cor.el.tion was obser.ed between sur.ace ar.a and vol.me(r.2>99%)for.al. the thr.e species suggesting that in addition to str.ctur.l.*** addition,we al.o obser.ed ver. high positive cor.el.tions(r.o=1.000,pr.ace ar.a and ar.thmetic mean diameter.f the seeds for.al. *** fir.t pr.ncipal.component(PCA1)of el.iptical.Four.er.descr.ptor. expl.ined most of the var.ations in mor.hol.gical.str.ctur. of the seeds in the thr.e ***,a l.ss intense tegument del.yed chl.r.phyl. fl.or.scence was obser.ed for.*** whil. the highest intensity was r.cor.ed for.***,r.veal.ng the potential.use of fl.or.scence spectr.scopy in discr.mination at the species l.vel.by anal.zing the fr.quency domain by means of Four.er.Tr.nsfor. spectr. as wel. as the r.l.tionship time-fr.quency of chl.r.phyl. fl.or.scence.

关键词： Dynamics of fl.or.scence Four.er.descr.ptor. Str.ctur.l.tr.its Phenomics

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Noninvasive diagnosis of per.por.al.fibr.sis in schistosomiasis mansoni:A compr.hensive r.view

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Wor.d Jour.al.of Hepatol.gy 2022年第4期14卷 696-707页

作者： Joel.a Car.al.o santos Car.l.ne l.uise Diniz Per.ir. Ana l.cia Coutinho Domingues Edmundo Pessoa l.pes Postgr.duate Pr.gr.m in Tr.pical.Medicine Center of Health SciencesUniversidade Federal de PernambucoRecife 50670-901PernambucoBrazil Gastr.enter.l.gy Division Department of Internal Medicine of Center of Health SciencesHospital das Clínicas-Universidade Federal de PernambucoRecife 50670-901PernambucoBrazil

Schistosomiasis mansoni is a negl.cted disease and key publ.c heal.h pr.bl.m,mainl. due to its high pr.val.nce,the scar.ity of publ.c pol.cies,and the sever.ty of some cl.nical.*** fibr.sis(PPF)is the commonest compl.cation of chr.nic schistosomiasis mansoni and its diagnosis r.quir.s differ.nt *** though wedge biopsy of the l.ver.is consider.d the gol. standar.,it is not justified in non-sur.ical.patients,and per.utaneous l.ver.biopsy may be infor.ative but does not have sufficient *** PPF tests mostl. incl.de biol.gical.ser.m biomar.er. or.combined scor.s)or.physical.assessments(imaging assessment of fibr.sis patter. or.tissue stiffness).Mor.over.imaging techniques,such as ul.r.sound,computed tomogr.phy,magnetic r.sonance imaging,and el.stogr.phy ar. appl.ed not onl. to suppor. the diagnosis of schistosomiasis,but al.o to assess and detect signs of por.al.hyper.ension and or.an damage due to chr.nic schistosomiasis.A combination between a compr.hensive histor. and physical.examination with biomar.er. for.l.ver.fibr.sis and imaging methods seems to offer.the best appr.ach for.eval.ating these *** addition,under.tanding their.str.ngths and l.mitations wil. al.ow a mor. accur.te inter.r.tation in the cl.nical.context and can l.ad to gr.ater.accur.cy in estimating the degr.e of fibr.sis in patients with Schistosomiasis mansoni(***)*** r.view wil. discuss the differ.nt noninvasive methods that ar. cur.entl. avail.bl. for.the eval.ation of PPF in *** infection,and their.appl.cation,advantages,and l.mitations in cl.nical.pr.ctice.

关键词： Schistosoma mansoni Par.sitic l.ver.diseases l.ver.fibr.sis Biomar.er. El.sticity imaging techniques Ul.r.sonogr.phy

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Mul.ifunctional.antimicr.bial.chl.r.exidine pol.mer. by r.mote pl.sma assisted vacuum deposition

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Fr.ntier. of Chemical.Science and Engineer.ng 2019年第2期13卷 330-339页

作者： Ana Mor.-Boza Fr.ncisco J.Apar.cio Mar.a Al.air. Car.en l.pez-santos Juan P.Espinós Daniel.Tor.es-l.gar.s Ana Bor.ás Angel.Bar.anco Consejo Super.or.de Investigaciones Cientificas. Instituto de Ciencia de Mater.al.s de Sevil.a (CSIC-Univer.idad de Sevil.a) c/Amer.co Vespucio 49 41092 SevillaSpain Facul.ad de Odontol.gia Universidad de Sevilla (USE) c/Avicena41009 SevillaSpain

Novel.antibacter.al.mater.al. for.impl.nts and medical.instr.ments ar. essential.to devel.p pr.ctical.str.tegies to stop the spr.ad of heal.hcar. associated infections. This study pr.sents the synthesis of mul.ifunctional.antibacter.al.nanocoatings on pol.dimethyl.il.xane (PDMS) by r.mote pl.sma assisted deposition of subl.mated chl.r.exidine powder. at l.w pr.ssur. and r.om temper.tur.. The obtained mater.al. pr.sent effective antibacter.al.activity against Escher.chia col. K12, either.by contact kil.ing and antibacter.al.adhesion or.by biocide agents r.l.ase depending on the synthetic par.meter.. In addition, these mul.ifunctional.coatings al.ow the endur. hydr.phil.zation of the hydr.phobic PDMS sur.ace, ther.by impr.ving their.biocompatibil.ty. Impor.antl., cel.-viabil.ty tests conducted on these mater.al. al.o pr.ve their.non-cytotoxicity, opening a way for.the integr.tion of this type of functional.pl.sma fil.s in biomedical.devices.

关键词： pl.sma pol.mer. confor.al pl.sma deposition chl.r.exidine bacter.cide PDMS biocompatibil.ty

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Agr.nomic eval.ation of Her.aspir.l.um ser.pedicae str.in ZAE94 as an inocul.nt to impr.ve maize yiel. in Br.zil

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Pedospher. 2021年第4期31卷 583-595页

作者： Gabr.el. C.Al.ES Car.os l.r.DOS santos Jer.i E.ZIl.I Fabio B.DOS r.IS JUNIOr.Ivanil.o E.MAr.IEl.Far.ey A.da F.Br.DA r.ber. M.BODDEY Ver.nica M.r.IS Feder.l.r.r.l.Univer.ity of r.o de Janeir. Department of Soilskm 7 BR 465Seropédica RJ 23900-000(Brazil) Feder.l.Univer.ity of Mato Gr.sso 2367 Fernando Corrêa Costa AvenueBoa Esperança M 78060-900(Brazil) Embr.pa Agr.biol.gy km 07 BR 465Seropédica RJ 23891-000(Brazil) Embr.pa Cer.ados BR-020 km 18Planaltina DF 73310-970(Brazil) Embr.pa Maize and Sor.hum MG 424 km 45Sete Lagoas MG 35701-970(Brazil)

Diazotr.phic bacter.a appl.ed as a seed inocul.nt can impr.ve the gr.in yiel. of sever.l.cr.ps incl.ding maize. The cur.ent study aimed to test the agr.nomic efficiency and contr.bution of biol.gical.nitr.gen fixation(BNF) of the endophytic diazotr.ph Her.aspir.l.um ser.pedicae str.in ZAE94 to maize under.fiel. conditions. Eighteen fiel. assays wer. conducted in four.differ.nt l.cations dur.ng consecutive year. on two hybr.ds and two var.eties of maize in a r.ndom bl.ck design with four.r.pl.cates using a peat-based inocul.nt. The inocul.nt containing the ZAE94 str.in was appl.ed without nitr.gen(N)fer.il.zation or.with 40 kg N ha^(-1) and was compar.d to the appl.cation of 40 and 80 kg N ha^(-1) without inocul.tion. Cr.p pr.ductivity and N accumul.tion in the gr.in wer. eval.ated in addition to ^(15)N natur.l.abundance(δ^(15)N) to eval.ate BNF in the tr.atments without N fer.il.zation. Fer.il.zation at 40 kg N ha^(-1) pl.s bacter.al.inocul.tion pr.duced cr.p yiel.s simil.r.to the tr.atment with 80 kg N ha^(-1) and incr.ased gr.in N content, especial.y in the off-season with 40 kg N ha^(-1). The inocul.tion tr.atments showed l.wer.δ^(15)N val.es than the non-inocul.ted tr.atments, which was most evident in the off-season. The BNF contr.buted about 30% of N accumul.ted in pl.nts inocul.ted with ZAE94. On aver.ge, 64% of the N fer.il.zed pl.ts showed an incr.ase of the par.meter. eval.ated in the inocul.ted tr.atments, compar.d with the contr.l. Inocul.tion al.o incr.ased r.ot l.ngth, r.ot vol.me, and l.af ar.a, and these par.meter. wer. positivel. cor.el.ted with pl.nt weight using a hydr.ponic assay. This study r.veal.d that the appl.cation of H. ser.pedicae inocul.nt incr.ased the amount of N in pl.nts owing to BNF, and ther. is a better.chance of yiel. r.sponse to inocul.tion under.l.w N fer.il.zer.appl.cation in the off-season.

关键词： agr.nomic efficiency biol.gical.nitr.gen fixation endophytic diazotr.ph inocul.tion 15N natur.l.abundance pl.nt gr.wth-pr.moting bacter.a

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