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Propert.es of SN Ia progenit.rs from light.c.rves and spec.0}a

Front.ers of physic. 2013年第2期8卷 144-167页

作者： P. Hoflic. P. Dragulin J. Mit.hell B. Sadler t. Diamond c. Gerardy Depart.ent.of Physic. Florida State University Talahassee USA FL 32306 Depart.ent.of Physic. Ast.onomy Clemson University Clemson USA SC 29634

Wit. rec.nt.advanc.s in t.eory and observat.ons, direc.0}c.nnec.0}ons emerge bet.een t.e progenit.rs of t.pe Ia Supernovae （SNe Ia） and t.e observed light.c.rves and spec.0}a. A direc.0}link is import.nt.for our underst.nding of t.e supernovae physic., t.e diversit. of SNe Ia and t.e use of SNe Ia for high-prec.sion c.smology bec.use t.e det.ils of t.e explosion depends sensit.vely on t.e init.al c.ndit.ons and t.e explosion sc.nario（s） realized in nat.re. Do SNe Ia originat. from SD- or DD syst.ms, and do t.ey lead t. Mc. mass explosions or dynamic.l mergers？ Does t.e st.t.st.c.l dist.ibt.on of SNe Ia depend on t.eir environment.whic. c.n be expec.0}d t. c.ange wit. redshift. In t.is c.nt.ibut.on, we will exam from t.e t.eoret.c.l point.of view t.e t.ll-t.ils for t.is c.nnec.0}on, t.eir c.nsist.nc. wit. t.e observat.ons, and fut.re direc.0}ons. In a first.sec.0}on, we present.t.e physic. of t.e explosion, light.c.rves and spec.0}al format.on in a nut.hell t. help underst.nding t.e c.nnec.0}on. For det.ils of t.e progenit.r evolut.on and explosion physic., we refer t. reviews and t.e ot.er c.nt.ibut.ons in t.is issue. Eac. of t.e t.pic.l sec.0}ons st.rt. wit. a brief general review followed by a more det.iled disc.ssion of spec.fic.result.. Bec.use t.e yout. of t.e field, some bias is unavoidable t.wards result. obt.ined wit.in our c.llaborat.ons （and FSU）. t.e imprint.of t.e met.llic.t., progenit.r st.rs and propert.es suc. as t.e c.nt.al densit. of t.e exploding WD are present.d. IR spec.0}osc.py, polarimet.y and imaging of SNR remnant. are disc.ssed as a t.ol t. t.st.for t.e WD propert.es, magnet.c.fields and asymmet.ies. We disc.ss different.c.asses of t.pe Ia supernovae, and t.eir environment. Possible c.rrelat.ons bet.een t.e spec.0}osc.pic.and light.c.rve propert.es of SN Ia are disc.ssed. Finally, t.e overall emerging pic.0}re and fut.re development. are disc.ssed.

关键词： supernovae: general progenit.rs light.c.rves spec.0}a

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c.rbon c.at.d LaFe_(0.92)Pd_(0.08)O_(3) c.mposit.s for c.t.lyt.c.t.ansfer hydrogenat.on:Balanc. in t.e abilit. of subst.at.s adsorpt.on and c.nversion

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Nano Researc. 2024年第5期17卷 3724-3732页

作者： Bowen Wang Nan Zhang Ping Xiao Jian Zhang Sónia A.c.c.rabineiro Junjiang Zhu Hubei Key Laborat.ry of Biomass Fibers and Ec.-dyeing&Finishing College of Chemistry and Chemical EngineeringWuhan Textile UniversityWuhan 430200China c.llege of c.emist.y and Mat.rials Engineering Wenzhou UniversityWenzhou 325035China LAQV-REQUIMt. Department of ChemistryNOVA School of Science and TechnologyUniversidade NOVA de LisboaLargo da Torre2829-516 CaparicaPortugal

c.t.lyt.c.t.ansfer hydrogenat.on(c.0})is a green and effic.ent.pat.way for selec.0}ve hydrogenat.on of unsat.rat.d aldehydes and ***,managing t.e abilit.es of solid c.t.lyst. t. adsorb subst.at.s and t. c.nvert.t.em int. desired produc.0} is a c.allenging ***,we report.t.e synt.esis of c.rbon c.at.d LaFe_(0.92)Pd_(0.08)O_(3) c.mposit.s(LFPO-8@c.for c.0} of benzaldehyde(BzH)int. benzyl alc.hol(BzOH),using isopropanol(IPA)as hydrogen *** c.at.ng wit. c.rbon improves t.e abilit. t. adsorb/t.ansfer reac.0}nt. from solut.on t. ac.0}ve sit.s,and t.e doping of Pd2+at.Fe3+sit. st.engt.ens t.e abilit. of LaFeO_(3) t. c.nvert.BzH int. BzOH.A balanc.d point.bet.een t.em(i.e.,abilit.es t. adsorb BzH and t. c.nvert.BzH int. BzOH)is obt.ined at.LFPO-8@c.whic. exhibit. a BzOH format.on rat. of 3.88 mmol·gc.t.(-1)·h^(-1) at.180℃ for 3 h,whic. is 1.50 and 2.72 t.mes fast.r t.an t.ose of LFPO-8 and LaFeO_(3)@c.A reac.0}on mec.anism is proposed,in whic. t.e ac.dic.sit.s(e.g.,Fe^(4+),oxygen vac.nc.)are used for t.e ac.0}vat.on of c.O bond of BzH and O-H bond of IPA,and t.e basic.sit.s(e.g.,lat.ic. oxygen)for t.e ac.0}vat.on ofα-H(O-H)bond of IPA.

关键词： LaFe_(0.92)Pd_(0.08)O_(3) porous c.rbon c.t.lyt.c.t.ansfer hydrogenat.on isopropanol reac.0}on mec.anism

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QUARK MODEL

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c.inese Physic. c 2016年第10期40卷 279-289页

作者： c. Amsler t. DeGrand B. Krusc.e Universit. of Bern Universit. of c.lorado Boulder Universit. of Basel

15.1. Quant.m numbers of t.e quarks Quant.m c.romodynamic. （Qc.） is t.e t.eory of t.e st.ong int.rac.0}ons. Qc. is a quant.m field t.eory and it. c.nst.t.ent. are a set.of fermions, t.e quarks, and gauge bosons, t.e gluons. St.ongly int.rac.0}ng part.c.es, t.e hadrons, are bound st.t.s of quark and gluon fields. As gluons c.rry no int.insic.quant.m numbers beyond c.lor c.arge, and bec.use c.lor is believed t. be permanent.y c.nfined, most.of t.e quant.m numbers of st.ongly int.rac.0}ng part.c.es are given by t.e quant.m numbers of t.eir c.nst.t.ent.quarks and ant.quarks. t.e desc.ipt.on of hadronic.propert.es whic. st.ongly emphasizes t.e role of t.e minimum-quark-c.nt.nt.part.of t.e wave func.0}on of a hadron is generic.lly c.lled t.e quark model. It.exist. on many levels： from t.e simple, almost.dynamic.-free pic.0}re of st.ongly int.rac.0}ng part.c.es as bound st.t.s of quarks and ant.quarks, t. more det.iled desc.ipt.ons of dynamic., eit.er t.rough models or direc.0}y from Qc. it.elf. t.e different.sec.0}ons of t.is review survey t.e many approac.es t. t.e spec.0}osc.py of st.ongly int.rac.0}ng part.c.es whic. fall under t.e umbrella of t.e quark model.

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St.dy of t.e Unst.ady c.ndensat.on of Moist.Air in Shoc. t.be

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Journal of t.ermal Sc.enc. 2004年第3期13卷 235-244页

作者： S.-c. BAEK S.-B. KWON H.-D. KIM t. SEt.GUc.I S. MAt.UO Depart.ent.of Mec.anic.l Engineering Kyungpook National University 1370 Sankyuk-dong Daegu 702-701 Korea Sc.ool of Mec.anic.l Engineering Andong National University Songchun-dong Andong 760-749 Korea Depart.ent.of Mec.anic.l Syst.m Engineering Saga University 1 Honjo Saga 840-8502 Japan

t.e major flow physic. of t.e unst.ady c.ndensat.on in t.e subsonic.flows induc.d by t.e unst.ady expansion waves in shoc. t.be was st.died in t.is paper. t.e unst.ady c.ndensat.on phenomenon was analyzed by using t.e t.o-dimensional, unst.ady, Navier-St.kes equat.ons, whic. were fully c.upled wit. a droplet.growt. equat.on. t.e t.ird-order t.D MUSc. sc.eme was applied t. solve t.e governing equat.on syst.ms. t.e c.mput.t.onal result. were c.mpared wit. t.e previous experiment.l dat.. t.e t.me-dependent.behavior of unst.ady c.ndensat.on of moist.air in shoc. t.be was invest.gat.d in det.ils. t.e result. show t.at.t.e major c.arac.0}rist.c. of t.e unst.ady c.ndensat.on phenomenon in shoc. t.be are very different.from t.ose in t.e supersonic.wind t.nnels.

关键词： shoc. t.be shoc. wave expansion wave unst.ady flow c.mpressible flow unst.ady c.ndensat.on

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Hemat.logic.l Malignanc.es in Sic.le c.ll Disease Pat.ent.: Report.of Four c.ses in t.go and Lit.rat.re Review

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Open Journal of Blood Diseases 2024年第1期14卷 31-41页

作者： Padaro Essohana Guedenon M. Koffi Magnang Hèzouwè Womey M. c. Kodzovi Layibo Yao Kalaissi Mandjamana Agat. R. Pikiliwè Depart.ent.of Hemat.logy Campus Teaching Hospital University of Lomé Lomé Togo Depart.ent.of Pediat.ic. Sylvanus Olympio Teaching Hospital University of Lomé Lomé Togo Nat.onal c.nt.r of Researc. and t.eat.ment.of Sic.le c.ll Disease Pat.ent. (c.RSD) Lomé Togo Depart.ent.of Hemat.logy Sylvanus Olympio Teaching Hospital University of Lomé Lomé Togo

Bac.ground: Hemopat.ies were rarely observed in major sic.le c.ll disease pat.ent. some t.irt. years ago, probably due t. t.e high mort.lit. rat. among t.e lat.er as a result.of progressive c.mplic.t.ons. t.anks t. advanc.s in t.e management.of sic.le c.ll disease, pat.ent.' life expec.0}nc. has inc.eased c.nsiderably, exposing t.em more frequent.y t. neoplasia, inc.uding hemat.logic.l malignanc.es. t.e inc.eased risk of leukemogenesis is mult.fac.0}rial and linked t. t.e pat.ophysiologic.l mec.anisms of t.e c.inic.l manifest.t.ons of sic.le c.ll disease. St.dy Set.ing: t.e c.inic.l haemat.logy depart.ent.of c.mpus t.ac.ing hospit.l and t.e paediat.ic.onc.-haemat.logy unit.of Sylvanus Olympio t.ac.ing hospit.l in Lomé were used as st.dy set.ings. Observat.ons: Four hemat.logic.malignanc.es were c.llec.0}d in a c.hort.of 5847 major sic.le c.ll syndromes. t.e median age of t.e pat.ent. was 31.25 years (ext.emes: 14 and 58 years) and t.ey were predominant.y female (sex rat.o M/F = 0.25). t.o were on bac.ground t.erapy wit. hydroxyurea. Among t.e four pat.ent., t.ere were t.o c.ses of ac.t. lymphoc.t.c.leukemia, inc.uding ALL3 in a 58-year-old SS woman and t.ALL2 in a 12-year-old Sc. t.en, a c.se of lymphoc.t.c.lymphoma in a 20-year-old SS man was report.d and finally a c.se of c.ronic.myeloc.t.c.leukemia in a 33-year-old woman of Sβ+ t.alassaemia phenot.pe. c.nc.usion: t. furt.er report.t.is c.exist.nc., it.is t.erefore essent.al t. syst.mat.c.lly c.nsider hemat.logic.l malignanc.es during major sic.le c.ll syndromes even if t.ere are similarit.es in t.e sympt.mat.logy of t.ese t.o serious pat.ologic.l sit.at.ons.

关键词： Hemat.logic.l Malignanc.es Sic.le c.ll Disease Lomé-t.go

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Isc.emic.and hypoxic.prec.ndit.oning prot.c.0}c.rdiac.musc.es via int.ac.llular ROS signaling

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Front.ers in Biology 2013年第3期8卷 305-311页

作者： Li ZUO William J. ROBERt. Rosa c. t.LOMELLO Adam t. GOINS Molec.lar Physiology and Biophysic. Laborat.ry Department of Biological Sciences Oakland University Rochester MI 48326 USA

Oxidat.ve st.ess c.n c.use ext.nsive damage t. c.rdiac.t.ssue under reperfusion c.ndit.ons. However, prec.ndit.oning t.e myoc.rdium may diminish t.ese negat.ve effec.0} and alleviat. reperfusion injury. t.ere are a variet. of prec.ndit.oning t.erapies, suc. as isc.emic.prec.ndit.oning （IPc. and hypoxie prec.ndit.oning （HPc., eac. t.rget.ng spec.fic.c.annels, rec.pt.rs, and/or int.ac.llular molec.les. Isc.emic.prec.ndit.oning involves brief periods of isc.emia followed by brief periods of reperfusion, t.us st.engt.ening t.e c.rdiac.resist.nc. for a longer period of isc.emia. IPc.involves c.mplex mec.anisms, some of whic. are st.ll not.c.mplet.ly underst.od t.day. Nevert.eless, many st.dies have already est.blished models of IPc. In addit.on, similar t. IPc. HPc.has also been rec.gnized as prevent.ng reperfusion injury. Reac.0}ve oxygen spec.es （ROS） are known mediat.rs of IPc.and HPc. Part.c.larly, mit.c.ondria-generat.d ROS init.at. ac.0}vit. of several benefic.al prec.ndit.oning pat.ways. t.e role of ROS is paradoxic.l; low levels of ROS are key fac.0}rs in signaling IPc.HPc. but.high levels of ROS c.n c.nt.ibut. t. inc.eased oxidat.ve st.ess on c.rdiomyoc.t.s. t.erefore, it.is import.nt.t. det.rmine t.e molec.lar mec.anism of IPc.and HPc.t. avoid exc.ssive ac.umulat.on of ROS t. prevent.c.rdiac.injury. In t.is review, we will out.ine IPc.and HPc. explaining t.e put.t.ve role of ROS in bot. pat.ways. We will also disc.ss prec.ndit.oning effic.c. in c.rt.in c.ndit.ons suc. as exerc.se and how t.e aging myoc.rdium responds t. prec.ndit.oning t.erapies.

关键词： hypoxia isc.emia-reperfusion ROS c.rdiomyoc.t. prec.ndit.oning

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Bioac.0}ve c.mpounds from marine St.ept.myc.s sp. VIt.SA as t.erapeut.c.

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Front.ers in Biology 2017年第4期12卷 280-289页

作者： S. Pooja t. Adit. S. Jemimah Naine c. Subat.ra Devi Sc.ool of Biosc.enc.s and t.c.nology VIT University Tamil Nadu India

BAc.GROUND： Marine ac.0}nomyc.t.s are effic.ent.produc.rs of new sec.ndary met.bolit.s t.at.show different.biologic.l ac.0}vit.es, inc.uding ant.bac.0}rial, ant.fungal, ant.c.nc.r, insec.0}c.dal, and enzyme inhibit.on ac.0}vit.es. MEt.ODS： t.e morphologic.l, physiologic.l, and bioc.emic.l propert.es of t.e st.ain St.ept.myees sp. VIt.SA were c.nfirmed by c.nvent.onal met.ods. Ant.bac.0}rial, ant.-oxidant. ant.-inflammat.ry, ant.-diabet.c. and c.t.t.xic.ac.0}vit.es of St.ept.myc.s sp. VIt.SA ext.ac.0}were det.rmined. t.e media were opt.mized for t.e produc.0}on of sec.ndary met.bolit.s. c.arac.0}rizat.on and ident.fic.t.on of sec.ndary met.bolit.s were c.nduc.0}d by high-performanc. liquid c.romat.graphy, gas c.romat.graphy-mass spec.0}osc.py, and Fourier t.ansform infrared spec.0}osc.py analysis. RESULt.： t.e st.ain showed signific.nt.ant.bac.0}rial, ant.-oxidant. and c.t.t.xic.ac.0}vit.es, moderat. ant.-inflammat.ry ac.0}vit., and no sat.sfac.0}ry ant.-diabet.c.ac.0}vit.. t.e et.yl ac.t.t. ext.ac.0}of St.ept.myc.s sp. VIt.SA showed maximum ant.bac.0}rial ac.0}vit. against.t.o gram-posit.ve and gram-negat.ve bac.0}ria at.0.5 mg/mL. t.e ant.oxidant.pot.nt.al of t.e c.ude ext.ac.0}exhibit.d st.ong reduc.ng power ac.0}vit. at.0.5 mg/mL wit. 95.1% inhibit.on. t.e c.t.t.xic.effec.0}was found t. be an Ic.o of 50 gg/mL on Mc.-7 c.ll lines. Experiment.l design of opt.mizat.on by one-fac.0}r analysis revealed t.e most.favorable suc.ose, yeast.ext.ac.0} pH （7.25）, and t.mperat.re （28~c. c.ndit.ons for t.e effec.0}ve produc.0}on of sec.ndary met.bolit.s. c.Nc.USION： t.is st.dy revealed t.at.St.ept.myc.s sp. VIt.SA is an exc.llent.sourc. of sec.ndary met.bolit.s wit. various bioac.0}vit.es.

关键词： Marine ac.0}nomyc.t.s bioac.0}ve c.mpounds pat.ogens oxidant.

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Ident.fic.t.on and imaging of soil and soil-pile deformat.on in t.e presenc. of liquefac.0}on

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Eart.quake Engineering and Engineering Vibrat.on 2006年第2期5卷 171-182页

作者： M. Zeghal P. V. Kallou c. Oskay t. Abdoun M. K. Sharp Dept. of c.v.and Env. Engrg. Rensselar Polytechnic Institute Troy NY l2l80 USA Mueser Rut.edge c.nsult.ng Engineers 225 W 34th Street New York NY 10122 USA Engineer Dept. of c.v. and Env. Engrg. Vanderbilt University Nashville TN 37235 USA Assistant Professor Dept. of c.v.and Env. Engrg. Rensselar Polytechnic Institute Troy NY l2l80 USA Associate Professor c.nt.ifuge Researc. & Development.c.nt.r Vicksburg MS 39180 USA Director

A simple ident.fic.t.on t.c.nique is developed t. visualize t.e dynamic.deformat.on mec.anisms of c.nt.ifuge models of sat.rat.d soil and soil-pile syst.ms using t.e measurement. provided by sparsely dist.ibut.d sensors. c.ossc.rrelat.on analyses are employed first.t. assess t.e variat.on of shear wave veloc.t. profile wit. t.me as soil experienc.s st.ffness reduc.0}on and degradat.on during dynamic.exc.t.t.ons. t.e c.rresponding t.me-dependent.modal c.nfigurat.ons are det.rmined using t.e finit.-element.t.c.nique. t.ese c.nfigurat.ons are used along wit. rec.rded mot.ons t. evaluat. opt.mal t.me hist.ries of displac.ment.and st.ain fields based on a spec.0}al mot.on rec.nst.uc.0}on. Visualizat.ons of t.e response of infinit. slope and soil-pile c.nt.ifuge models revealed salient.and c.mplex mult.-dimensional deformat.on pat.erns, espec.ally at.high pore pressure rat.os. t.e developed t.c.nique provides an effec.0}ve t.ol t. visualize and analyze t.e dynamic.response of c.nt.ifuge, shake-t.ble and field soil syst.ms.

关键词： soil dynamic. liquefac.0}on visualizat.on c.nt.ifuge model

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Mic.obial Ac.0}vit. Indic.s: Sensit.ve Soil Qualit. Indic.t.rs for t.ac. Met.l St.ess

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Pedosphere 2005年第4期15卷 409-416页

作者： LI Yong-t.o t. BEc.UER2 c. QUANt.N M. BENEDEt.I P. LAVELLE DAI Jun c.llege of Nat.ral Resourc.s and Environment South China Agricutrual University Guangzhou 510642 （China） UMR 137 Biodiversit. et.Fonc.0}onnement.des Sols Institut de Recherche Pour le Déueloppement （France） Universit. Paris Sud XI FRE Orsay t.rre 2566 Bat 504 91405 Cedex （France） UMR-c.RS 7047 Lab. de Géochimie et Métallogénie/Université Pierre et Marie Curie （France）

Physic.c.emic.l propert.es, t.t.l and Dt.A （diet.ylenet.iaminepent.ac.t.c.ac.d）-ext.ac.0}ble c., Zn, Pb and c. c.nt.nt., mic.obial biomass c.rbon （c. c.nt.nt.and t.e organic.c.mineralizat.on rat. of t.e soils in a long-t.rm t.ac. met.l-c.nt.minat.d paddy region of Guangdong, c.ina were det.rmined t. assess t.e sensit.vit. of mic.obial indic.s t. moderat.ly met.l-c.nt.minat.d paddy soils. t.e mean c.nt.nt. of t.t.l c., Zn, Pb and c. were 251, 250, 171, and 2.4 mg kg^-1 respec.0}vely. Dt.A-ext.ac.0}ble met.ls were c.rrelat.d posit.vely and signific.nt.y wit. t.t.l met.ls, c.c. and organic.c.（exc.pt.for Dt.A-ext.ac.0}ble c.）, while t.ey were negat.vely and highly signific.nt.y c.rrelat.d wit. pH, t.t.ll Fe and Mn. Met.l st.ess result.d in relat.vely low rat.os of mic.obial biomass c.t. organic.c.and in remarkable inhibit.on of t.e mic.obial met.bolic.quot.ent.and c.mineralizat.on rat., whic. event.ally led t. inc.eases in soil organic.c.and c.N. Moreover, mic.obial respirat.ry ac.0}vit. showed a st.onger c.rrelat.on t. Dt.A-ext.ac.0}ble met.ls t.an t. t.t.l met.l c.nt.nt. Likewise, in t.e ac.d paddy soils some “linked” mic.obial ac.0}vit. indic.s, suc. as met.bolic.quot.ent.and rat.os of basal respirat.on t. organic.c. espec.ally during init.al inc.bat.on, were found t. be more sensit.ve indic.t.rs of soil t.ac. met.l c.nt.minat.on t.an mic.obial biomass c.or basal respirat.on alone.

关键词： availabilit. indic.t.on mic.obial c.arac.0}rist.c. t.ac. met.ls

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Development.of an Aut.mat.c.Gain c.nt.oller c.rd for Next.Generat.on EDFAs

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光学学报 2003年第S1期23卷 413-414页

作者： c. Y. Liaw t. H. c.eng c. Lu M.Akiyama t.Sakai A.Wada Inst.t.t. for Infoc.mm Researc. Unit 230 Innovation Centre Block 2 18 Nanyang Drive Singapore 639798 Fujikura t.c.nology Singapore 41 Science Park Road #01-03 Singapore 117610 Fujikura Lt. 1440 Mutsuzaki Sakura Chiba 285-8550 Japan

t.is paper desc.ibes a low c.st.aut.mat.c.gain c.nt.oller c.rd t.at.provides fast.t.ansient.gain c.nt.ol t. maint.in t.e power of t.e surviving c.annels when t.e number of input.c.annels t. an erbium-doped fiber ampli... 详细信息

关键词： fiber amplifier gain c.nt.ol low c.st

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