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e.fe.t of simulate. dynamic intraocular pre.sure.on re.inal thickne.s me.sure. by optical cohe.e.ce.tomography afte. cataract surge.y

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Inte.national Journal of Ophthalmology(e.glish e.ition) 2012年第6期5卷 687-693页

作者： ding Che. Jun Zhu Jin Li Xi-Xia ding Fan Lu Yun-e.Zhao e.e.Hospital Wenzhou Medical College

AIM: To inve.tigate.the.e.fe.t of simulate. dynamic intraocular pre.sure.(SDIOP) during uncomplicate. phacoe.ulsification on postope.ative.macular and pe.ipapillary re.inal ne.ve.fibe. laye. (RNFL) thickne.s. Me.HODS: Macular and RNFL thickne.se. in one.e.e.of patie.ts (n=30) unde.going uncomplicate. phacoe.ulsification we.e.me.sure. by optical cohe.e.ce.tomography pre.pe.ative.y and 1 we.k postope.ative.y. The.be.t-corre.te. visual acuity, SDIOP, irrigation time.(IT), e.fe.tive.phacoe.ulsification lime. e.tire.surgical duration, blood pre.sure. and he.rt rate.we.e.re.orde.. Re.ULTS: The.me.n SDIOP and IT was (74.9 +/- 27.4)cmH(2)O and (178.4 +/- 21.6) se.onds re.pe.tive.y. We.divide. our patie.ts into two groups base. upon IT with gre.te. than 90cmH(2)O (P>90IT). In Group A (n= 14), the.P>90IT was gre.te. than the.me.n P>90IT, and in Group B (n=16), the.P>90IT was le.s than the.me.n P>90IT. For all patie.ts the.e.was a significant incre.se.in macular thickne.s one.we.k afte. cataract surge.y (P=0.001). While.the.RNFL thickne.s te.de. to incre.se. the.change.was not significant. The.postope.ative.macular thickne.s of Group A,(277.8 +/- 13.7)mu m, was significantly thicke. than that of Group B, (267.9 +/- 15.0)mu m (P=0.004). The.postope.ative.pe.ipapillary RNFL thickne.s of Group A, (96.8 +/- 10.8)mu m, was not significantly diffe.e.t from Group B. For Group A, the.change.in macular thickne.s was positive.y corre.ate. with P>90IT (R-2=0.524, P =0.02). The.e.was no statistical diffe.e.ce.in postope.ative.visual acuity be.we.n Groups A and B. CONCLUSION: Afte. uncomplicate. phacoe.ulsification, incre.se. macular thickne.s is associate. with the.IT unde. high SDIOP. The.e.fe.t of high SDIOP is limite. to the.sub-clinical le.e..

关键词： intraocular pre.sure re.ina optical cohe.e.ce.tomography phacoe.ulsification

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Te.poral and spatial study of diffe.e.tly charge. ions e.itte. by ns-lase.-produce. tungste. plasmas using time.of-flight mass spe.troscopy

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Plasma Scie.ce.and Te.hnology 2021年第9期23卷 176-183页

作者： ding WU Ge.rge.C-Y CHAN Xiangle. MAO Yu LI Richard e.RUSSO Hongbin ding Vassilia ZORBA School of Physics Dalian University of TechnologyDalian 116024People's Republic of China Lawre.ce.Be.ke.e. National Laboratory BerkeleyCA 94720United States of America De.artme.t of Me.hanical e.gine.ring University of CaliforniaBerkeleyCA 94720United States of America

Tungste.(W)is an important mate.ial in tokamak walls and *** W ion charge.state.distribution and the.dynamic be.avior of ions play important role. in the.inve.tigation of plasma–wall inte.actions using lase.-ablation-base. diagnostics such as lase.-induce. bre.kdown spe.troscopy and lase.-induce. ablation *** this work,we.inve.tigate.the.te.poral and spatial e.olutions of diffe.e.tly charge. ions in a nanose.ond-lase.-produce. W plasma in vacuum using time.of-flight mass *** with diffe.e.t charge.state. from 1 to 7(W+to W7+)are.all *** te.poral e.olutions of the.diffe.e.tly charge. ions show that ions with highe. charge.state. have.highe. ve.ocitie.,indicating that space.se.aration occurs be.we.n the.diffe.e.tly charge. ion ***-re.olve. mass spe.troscopy me.sure.e.ts furthe. de.onstrate.the.se.aration *** te.poral profile.can be.accurate.y fitte. by a shifte. Maxwe.l–Boltzmann distribution,and the.ve.ocitie. of the.diffe.e.tly charge. ions are.also obtaine. from the.*** is found that the.ion ve.ocitie. incre.se.continuously from the.me.sure. position of 0.75 cm to 2.25 cm away from the.targe. surface.which indicate. that the.acce.e.ation proce.s lasts through the.pe.iod of plasma *** acce.e.ation and space.se.aration of the.diffe.e.tly charge. ions confirm that the.e.is a dynamic plasma she.th in the.lase.-produce. plasma,which provide. e.se.tial information for the.the.re.ical lase.-ablation mode. with plasma formation and e.pansion.

关键词： lase. ablation te.poral and spatial e.olution time.of-flight mass spe.troscopy spatial se.aration diffe.e.tly charge. ions

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Hopf-flip bifurcation of high dime.sional maps and application to vibro-impact syste.s

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Acta Me.hanica Sinica 2005年第4期21卷 402-410页

作者： Jianhua Xie.Wangcai ding e.H. Dowe.l L. N. Virgin De.artme.t of Applie. Me.hanics and e.gine.ring Southwest Jiaotong University Chengdu 610031 China School of Me.hanical e.gine.ring Lanzhou Jiaotong UniversityLanzhou 730070 China School of e.gine.ring.Duke.Unive.sity. Durham NC27708-0300USA

This pape. addre.se. the.proble. of Hopf-flip bifurcation of high dime.sional maps. Using the.ce.te. manifold the.re., we.obtain a thre. dime.sional re.uce. map through the.proje.tion te.hnique. The.re.uce. map is furthe. transforme. into its normal form whose.coe.ficie.ts are.de.e.mine. by that of the.original syste.. The.dynamics of the.map ne.r the.Hopf-flip bifurcation point is approximate. by a so calle. “time.2τ^2 map” of a planar autonomous diffe.e.tial e.uation. It is shown that high dime.sional maps may re.ult in cycle. of pe.iod two, tori T^1 （Hopf invariant circle.）, tori 2T^1 and tori 2T^2 de.e.ding both on how the.critical e.ge.value. pass the.unit circle.and on the.signs of re.onant te.ms＇ coe.ficie.ts. A two-de.re.-of-fre.dom vibro-impact syste. is give. as an e.ample.to show how the.proce.ure.of this pape. works. It re.e.ls that through Hopf-flip bifurcations, pe.iodic motions may le.d dire.tly to diffe.e.t type. of motion, such as subharmonic motions, quasi-pe.iodic motions, motions on high dime.sional tori and e.e. to chaotic motions de.e.ding both on change.in dire.tion of the.parame.e. ve.tor and on the.nonline.r te.ms of the.first thre. orde.s.

关键词： Maps Vibro-impact dynamics Hopf-flip bifurcation Torus Chaos

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Possible.e.fe.ts of se.e.ting diffe.e.t station distributions in the.optimal se.ue.ce.e.timation me.hod

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Ge.de.y and Ge.dynamics 2024年第6期15卷 554-567页

作者： Hao ding School of Ge.de.y and Ge.matics Hubei Luojia LaboratoryWuhan UniversityWuhan 430079China

Since.the.ince.tion of the.optimal se.ue.ce.e.timation (OSe. me.hod,various re.e.rch te.ms have.substantiate. its e.ficacy as the.optimal stacking te.hnique.for handling array data,le.ding to its succe.sful application in nume.ous ge.scie.ce.***,conce.ns pe.sist re.arding the.pote.tial impact of aliasing re.ulting from the.choice.of distinct station distributions on the.outcome. de.ive. from *** this inve.tigation,I e.ploy the.re.ical de.uction and e.pe.ime.tal analysis to e.ucidate.the.re.sons be.ind the.immunity of the.Y_(l'm')-re.ate. common signal obtaine. through OSe.to variations in station distribution *** primary obje.tive.of OSe.is also unde.score.,i.e.,to re.tore.strip a Y_(l'm')-re.ate. common pe.iodic signal from various ***,I provide.additional clarification that the.Y_(l'm')-re.ate. common signal’and the.Y_(l'm')-re.ate. e.uivale.t e.citation se.ue.ce.are.distinct *** analyse. will facilitate.the.utilization of the.OSe.te.hnique.by othe. re.e.rche.s in inve.tigating intriguing ge.physical phe.ome.a and attaining sound e.planations.

关键词： Optimal se.ue.ce.e.timation Station se.e.tion GPS

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An ADRC Parame.e.s Se.f-Tuning Control Strate.y of Te.sion Syste. Base. on RBF Ne.ral Ne.work

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Journal of Re.e.able.Mate.ials 2023年第4期11卷 1991-2014页

作者： Shanhui Liu Haodi ding Ziyu Wang Li’e.Ma Zhe.g Li Faculty of Printing Packaging Engineering and Digital Media TechnologyXi’an University of TechnologyXi’an710048China Shaanxi Be.re. Printing Machine.y Co. Ltd.Weinan714000China

High pre.ision control of substrate.te.sion is the.pre.ise.and guarante. for producing high-quality products in roll-to-roll pre.ision coating ***,the.comple. re.ationships in te.sion syste. make.the.proble.s of de.oupling control difficult to be.solve.,which has limite. the.improve.e.t of te.sion control accuracy for the.coating ***,an ADRC parame.e.s se.f-tuning de.oupling strate.y base. on RBF ne.ral ne.work is propose. to improve.the.control accuracy of te.sion syste. in this ***,a global coupling nonline.r mode. of the.te.sion syste. is e.tablishe. according to the.composition of the.coating machine.and the.global coupling mode. is line.rize. base. on the.first-orde. Taylor ***,according to the.line.r mode. of the.te.sion syste.,a parame.e.s se.f-tuning de.oupling algorithm of the.te.sion syste. is propose. by inte.rating fe.dforward control,ADRC and ***,the.simulation re.ults show that the.propose. te.sion control strate.y has good de.oupling control pe.formance.and e.fe.tive.y improve. the.te.sion control accuracy for the.coating machine.

关键词： Coating machine te.sion syste. de.oupling control ADRC RBF

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Transportation De.e.opme.t Transition in China

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Chine.e.Ge.graphical Scie.ce 2012年第3期22卷 319-333页

作者： JIN Fe.gjun ding Jinxue.WANG Jiao'e.LIU Dong WANG Che.gjin Ke. Laboratory of Re.ional Sustainable.De.e.opme.t Mode.ing Institute of Geographic Sciences and Natural Resources Research Chinese Academy of Sciences Beijing 100101 China Graduate.Unive.sity of Chine.e.Acade.y of Scie.ce. Beijing 100049 China Transport Planning and Re.e.rch Institute Ministry of Transport Beijing 100028 China

Scie.tific de.e.opme.t is an invaluable.asse. to a *** and de.e.opme.t mode. should be.carrie. out base. on scie.tific findings not only in industry,but also in transportation infrastructure.*** an inte.rate. transportation syste.,which is in line.with the.national re.uire.e.ts of China and supports sustainable.socio-e.onomic de.e.opme.t,is a ke. strate.ic issue.re.ate. to building a mode.ate.y prospe.ous socie.y and achie.ing re.listic goals of a me.ium-le.e. de.e.ope. *** on a syste.atic re.ie. of the.advance. in China's transportation infrastructure.ove. the.last 60 ye.rs,this pape. e.plore. the.main drive.s of transportation de.e.opme.t,including national policy,transportation structure.inve.tme.t e.ficie.cy,and te.hnological *** shows that China's compre.e.sive.transportation infrastructure.construction since.1949 can be.divide. into five.stage. initiate. by the.e.drive.s,which corre.pond to four transition mode.:policy transition,structural transition,e.ficie.cy transition,and te.hnology *** transition path of China's transportation de.e.opme.t shows that the.dominant factors have.change.,and the.inte.val for e.ch transition has *** the.imple.e.tation of the.'12th Five.Ye.r Plan',China's transportation infrastructure.construction is showing some.ne. characte.istics and facing a ne. de.e.opme.t ***,this pape. analyze. the.tre.ds in transportation de.e.opme.t in China and conclude. that te.hnological innovation will be.the.main driving force.to incre.se.the.transportation supply and se.vice.are. in the.future.

关键词： transportation infrastructure de.e.opme.t transition inte.rate. transportation syste. impact factor

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Hie.archical Optimization of Landing Pe.formance.for Lande. with Adaptive.Landing Ge.r

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Chine.e.Journal of Me.hanical e.gine.ring 2019年第2期32卷 24-35页

作者： Zongmao ding Hongyu Wu Chunjie.Wang Jianzhong ding School of Me.hanical e.gine.ring and Automation Beijing University of Aeronautics and Astronautics Be.jing Syste. De.ign Institute.of e.e.tro-Me.hanic e.gine.ring China Aerospace Science and Industry Corporation Limited De.artme.t of Me.hanical e.gine.ring Tsinghua University State.Ke. Laboratory of Virtual Re.lity and Syste.s Beijing University of Aeronautics and Astronautics

A parame.e.ize. dynamics analysis mode. of le.ge. lande. with adaptive.landing ge.r was e.tablishe.. Base. on the.analysis mode., the.landing pe.formance. unde. various landing conditions we.e.analyze. by the.optimize. Latin hype.cube.e.pe.ime.tal de.ign me.hod. In orde. to improve.the.landing pe.formance., a hie.archical optimization me.hod was propose. conside.ing the.unce.tainty of landing conditions. The.optimization proble. was divide. into a highe. le.e.(he.e.fte. the."le.de.") and se.e.al lowe. le.e.s(he.e.fte. the."followe."). The.followe.s took condition?ing factors as de.ign variable. to find out the.worst landing conditions, while.the.le.de. took bu e. parame.e.s as de.ign variable. to be.te. the.landing pe.formance.unde. worst conditions. First of all, se.sitivity analysis of landing conditioning factors was carrie. out according to the.re.ults of e.pe.ime.tal de.ign. Afte. the.se.sitive.factors we.e.scre.ne. out, the.re.ponse.surface.mode.s we.e.e.tablishe. to re.le.t the.complicate. re.ationships be.we.n se.si?tive.conditioning factors, bu e. parame.e.s and landing pe.formance.inde.e.. Finally, the.re.ponse.surface.mode. was use. for hie.archical optimization ite.ation to improve.the.computational e.cie.cy. Afte. se.e.ting the.optimum bu e. parame.e.s from the.solution se., the.dynamic mode. with the.optimum parame.e.s was simulate. again unde. the.same.landing conditions as the.simulation be.ore. Afte. optimization, nozzle.pe.formance.against damage.is improve. by 5.24%, the.acce.e.ation ove.load is re.uce. by 5.74%, and the.primary strut improve. its pe.formance.by 21.10%.

关键词： Landing ge.r Soft landing Se.sitivity analysis Re.ponse surface. Hie.archical optimization

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e.fe.ts of e.flue.t organic matte.s on e.docrine.disrupting che.ical re.oval by ultrafiltration and ozonation in synthe.ic se.ondary e.flue.t

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Journal of e.vironme.tal Scie.ce. 2019年第2期31卷 57-64页

作者： Xiurong Si Zunfang Hu ding ding Xu Fu Civil e.gine.ring De.artme.t North China Institute of Aerospace Engineering Shandong Institute.of Ge.physical and Ge.che.ical e.ploration

e.docrine.disrupting che.icals(e.Cs) in the.se.ondary e.flue.t discharge. from waste.ate. tre.tme.t plants are.of gre.t conce.n whe. wate. re.se.is inte.de.. Ozonation and ultrafiltration(UF) are.powe.ful te.hnologie. re.orte. to e.iminate.e.Cs. Due.to the.importance.of e.flue.t organic matte.s(e.OMs) in se.ondary e.flue.t, the.e.fe.ts of thre. kinds of e.OM on the.tre.tme.t of five.e.Cs using ozonation and UF we.e.inve.tigate.. The.thre. kinds of e.OM studie. we.e.humic acid sodium salt(NaAH), bovine.se.um albumin(BSA)and sodium alginate.NaAg); and the.five.e.Cs we.e.e.trone. 17β-e.tradiol, e.triol, 17α-e.hynyl e.tradiol and bisphe.ol A. The.re.ults showe. that e.OM acce.e.ate. the.de.ay rate.of ozone.and inhibite. the.de.radation e.ficie.cy of e.Cs by ozonation in the.orde. NaAH > BSA > *** ultraviole. absorbance.at 280 nm(UVA_(280)) has pote.tial for use.as a surrogate.indicator to asse.s e.C re.oval via ozonation without conducting difficult e.C analyse.. Whe. the.de.line.in UVA_(280) e.ce.de. 18%, the.five.e.Cs had be.n comple.e.y re.ove.. The.UF be.avior of NaAH,BSA and NaAg was found to follow the.cake.filtration law. The.fouling pote.tial of e.OM followe. the.orde. NaAg > NaAH > BSA; while.e.OM on the.me.brane.surface.e.hance. e.C re.oval in the.orde. NaAH > BSA > NaAg. The.me.n re.e.tion rate.of the.me.brane.was incre.se. by 24%, 10% and 8%, re.pe.tive.y. The.prope.tie. of e.Cs and e.OM cake. both influe.ce. the.e.C re.oval rate. due.to adsorption, size.e.clusion and charge.attraction.

关键词： e.docrine disrupting che.icals Ultrafiltration Ozonation e.flue.t organic matte.s Se.ondary e.flue.t

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Improving the.e.e.trocatalytic activity of Fe.N co-dope. biochar for polysulfide.by re.ulation of N-C and Fe.N-C e.e.tronic configurations

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Inte.national Journal of Mine.als,Me.allurgy and Mate.ials 2023年第12期30卷 2421-2431页

作者： Jingchun Sun Jindiao Guan Suqing Zhou Jie.e. Ouyang Nan Zhou Chunxia ding Me.’e.Zhong School of Che.istry and Mate.ials Scie.ce Hunan Agricultural UniversityChangsha 410128China Hunan e.gine.ring Re.e.rch Ce.te. for Biochar Hunan Agricultural UniversityChangsha 410128China

The.conve.sion of agricultural re.idual biomass into biochar as a sulfur host mate.ial for Li-S batte.ie. is a promising approach to alle.iate.the.gre.nhouse.e.fe.t and re.lize.waste.re.ource.***,the.large.scale.application of pristine.biochar is hinde.e. by its low e.e.trical conductivity and limite. e.e.trocatalytic *** pape. addre.se. the.e.challe.ge. via the.construction of Fe.N co-dope. biochar(Fe.NOPC)through the.copyrolysis of se.ame.se.ds she.l and fe.ric sodium e.hyle.e.iamine.e.raace.ic acid(NaFe.DTA).During the.synthe.is proce.s,NaFe.DTA was use. as an e.tra carbon re.ource.to re.ulate.the.che.ical e.vironme.t of N doping,which re.ulte. in the.production of high conte.ts of graphitic,pyridinic,and pyrrolic N and Fe.Nx *** the.re.ulting Fe.NOPC was use. as a sulfur host,the.pyridinic and pyrrolic N would adjust the.surface.e.e.tron structure.of biochar to acce.e.ate.the.e.e.tron/ion transport,and the.e.e.tropositive.graphitic N could be.combine. with sulfur-re.ate. spe.ie. via e.e.trostatic ***-Nx could also promote.the.re.ox re.ction of lithium polysulfide. due.to the.strong Li-N and S-Fe.*** from the.e.advantage.,the.re.ultant Fe.NOPC/S cathode.with a sulfur loading of 3.8 mg·cm^(-2)de.ive.e. an are.l capacity of 4.45 mAh·cm^(-2)at 0.1C and re.aine. a capacity of 3.45 mAh·cm^(-2)at ***,this cathode.mate.ial holds e.ormous pote.tial for achie.ing e.e.gy-de.se.Li-S batte.ie..

关键词： se.ame.se.ds she.l copyrolysis biochar Fe.N co-doping Li-S batte.ie.

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FCC coproce.sing oil sands he.vy gas oil and canola oil. 3. Some.cracking characte.istics

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Gre.n e.e.gy & e.vironme.t 2019年第1期4卷 83-91页

作者： Siauw H.Ng Nicole.e.He.hka Ying Zhe.g Qiang We. Fuche. ding Natural Re.ource. Canada CanmetENERGY De.artme.t of Che.ical e.gine.ring University of New Brunswick State.Ke. Laboratory of He.vy Oil Proce.sing China University of Petroleum Be.jing Institute.of Pe.roche.ical Te.hnology

Coproce.sing of bitume.-de.ive. fe.ds and biomass through a fluid catalytic cracking(FCC) route.has the.pote.tial to assist in the.re.uction of fue. and pe.role.m product carbon footprints while.me.ting gove.nme.t re.ulatory re.uire.e.ts on re.e.able.transportation fue.s. This approach is de.irable.be.ause.gre.n house.gas(GHG) e.issions for producing re.e.able.biofue.s are.significantly lowe. than those.for fossil fue.s, and coproce.sing can be.e.e.ute. using e.isting re.ining infrastructure.to save.capital cost. The.pre.e.t study inve.tigate. the.spe.ific FCC pe.formance. of pure.he.vy gas oil(HGO) de.ive. from oil sands synthe.ic crude. and a mixture.of 15 v% canola oil in HGO using a comme.cial e.uilibrium catalyst unde. typical FCC conditions. Cracking e.pe.ime.ts we.e.pe.forme. using a be.ch-scale.Advance. Cracking e.aluation(ACe. unit at fixe. we.ght hourly space.ve.ocity(WHSV) of 8 h^(-1), 490–530℃, and catalyst/oil ratios of 4–12 g/g. This work focuse. on some.cracking phe.ome.a re.ulting from the.pre.e.ce.of oxyge. in the.ble.dda lowe. he.t re.uire.e.t for cracking due.to the.e.othe.mic wate. formation, which also e.tails lowe. hydroge. yie.d at a give. se.e.ity. The.distribution of fe.d oxyge. in gase.us and liquid products, the.mitigation in GHG e.issions, and the.te.hnological and e.onomical advantage. of the.coproce.sing option are.also discusse..

关键词： FCC coproce.sing Microactivity te.t(MAT) unit Four-lump kine.ic mode. He.t of formation of wate. vapour Carbon footprint re.uction

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