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Scie.ce.China Che.istry 2024年第2期67卷 576-586页

作者： Xiao-Bao Wu Jun-Xiu Shi yi-Ming.Ou Hua-Jie.Jiang.yi-Jun Fang.Qi-Ming.Wang.Quan g.o Jie.Yu De.artme.t of Applie. Che.istry Anhui Province Engineering Laboratory for Green Pesticide Development and ApplicationAnhui Province Key Laboratory of Crop Integrated Pest ManagementAnhui Agricultural UniversityHefei230036China

A privile.0}d strate.0} has be.n de.e.ope. for the.pre.ise.construction of e.antioe.riche. azaspiro polycyclic *** dive.se.azaspiro polycycle. be.ring.multiple.contig.ous ste.e.ce.te.s are.obtaine. with e.ce.le.t re.ults(up to 99:1 e.r.,>95:5 d.r.) via se.ue.tial e.antiose.e.tive.four-compone.t Ug. re.ctions/post-Ug. transformations with substrate. containing.pre.e.uisite.functional g.oups in the.pre.e.ce.of anionic ste.e.g.nic-at-cobalt(Ⅲ) comple.e..

关键词： asymme.ric catalysis post-Ug. transformation anionic ste.e.g.nic-at-cobalt(Ⅲ)comple. azaspiro polycyclic scaffold one.pot synthe.is

Flame.Morpholog. and Characte.istic of Co-Firing.Ammonia with Pulve.ize. Coal on a Flat Flame.Burne.

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Journal of The.mal Scie.ce 2024年第5期33卷 1935-1945页

作者： WANg.She.g.e.CUI Ming.huang.LIU Pe.g.hong.DI yi NIU Fang China Coal Re.e.rch Institute Beijing 100013China Be.jing.Tiandi Rong.huang.Te.hnolog. Co.Ltd. Beijing 100013China National e.e.g. Te.hnolog.&e.uipme.t Laboratory of Coal Utilization and e.ission Control Beijing 100013China

Ammonia as a ne. g.e.n carbon fre. fue. co-combustion with coal can e.fe.tive.y re.uce.CO_(2)e.ission,but the.re.e.rch of flame.morpholog. and characte.istics of ammonia-coal co-combustion are.not *** this work,we.studie. the.co-combustion flame.of NH_(3)and pulve.ize. coal on flat flame.burne. unde. diffe.e.t oxyg.n mole.fraction(X_(i,O_(2)))and NH_(3)co-firing.e.e.g. ratios(e.(NH_(3))).We.initially obse.ve. that the.introduction of ammonia re.ulte. in stratification within the.ammonia-coal co-combustion flame.fe.turing.a transpare.t flame.at the.root ide.tifie. as the.ammonia combustion *** to challe.g.s in visually obse.ving.the.ig.ition of coal particle. in the.ammonia-coal co-combustion flame.we.utilize. Matlab software.to analyze.flame.imag.s across varying.e.(NH_(3))and X_(i,O_(2)).The.analysis indicate. that,compare. to pure.coal combustion,the.addition of ammonia advance. the.ig.ition de.ay time.by 4.21 ms to 5.94 *** e.(NH_(3))incre.se.,the.ig.ition de.ay time.initially de.re.se. and the. ***,an incre.se.in X_(i,O_(2))re.ults in an e.rlie. ig.ition de.ay *** burn-off time.and the.flame.dive.g.nce.ang.e.of pulve.ize. coal de.onstrate. line.r de.re.se. and incre.se.,re.pe.tive.y,with the.g.owing.ammonia *** addition of ammonia facilitate. the.re.e.se.of volatile.matte. from coal ***,in hig.-ammonia e.vironme.ts,oxyg.n consumption also impe.e. the.surface.re.ction of coal ***,me.sure.e.ts of g.s composition in the.ammonia-coal flame.flow fie.d unve.le. that the.g.ne.ate. wate.-rich atmosphe.e.inte.sifie. coal particle.g.sification,re.ulting.in an e.e.ate. conce.tration of ***,nitrog.n-containing.substance. and coke.produce. during.coal particle.g.sification unde.we.t re.uction re.ctions with NO_(x),le.ding.to re.uce. NO_(x)e.issions.

关键词： co-firing.ammonia with coal flame.characte.istic g.s compone.t ig.ition de.ay time burn-off time flame.dive.g.nce.ang.e flat flame.burne. flame.morpholog.

1.42-fold e.hance.e.t of formate.se.e.tivity by linke. conve.sion on the.Zn-base. me.al org.nic frame.ork catalyst

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Journal of e.e.g. Che.istry 2024年第3期90卷 183-190,I0006页

作者： Yayu g.an Yuyu Liu Fang.ua Ning.Jin yi Jiujun Zhang Institute.for Sustainable.e.e.g. College of SciencesShanghai UniversityShanghai 200444China

e.e.tro-re.uction of carbon dioxide.e.CO_(2)) is conside.e. an e.fe.tive.me.hod to alle.iate.the.g.e.nhouse.e.fe.t and produce.value.adde. *** the.dominant se.e.tivity of Zn-base. catalysts for formate.re.ains a *** this article.the.ZnIn-e.(12) catalyst is succe.sfully pre.are. by solve.t assiste. lig.nd e.chang.(SALe. me.hod to conve.t org.nic lig.nds,achie.ing.a Faradaic e.ficie.cy of 72.28% for formate.at-1.26 V ***(V_(RHe.),which is 1.42 time. hig.e. than the.orig.nal *** shows that the.succe.sful conve.sion of org.nic lig.nds can transform the.catalyst from the.orig.nal larg. size.polyhe.ron to cross-linke. ne.work of particle. with a diame.e. of about 30 *** incre.se. spe.ific surface.are. can e.pose.more.active.site. and facilitate.the.e.e.trocatalytic conve.sion of CO_(2) to *** work is e.pe.te. to provide.inspiration for the.re.0}lation of formate.se.e.tivity and catalyst size.in Zn-base. catalysts.

关键词： e.e.trocatalyst Carbon dioxide Formate Linke. conve.sion

Be.ulinic acid prote.ts ag.inst ovarian impairme.t by de.re.sing.F-2 toxin-induce. oxidative.stre.s and inflammation associate. with the.downre.0}lation of p38 e.pre.sion in mice

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Food Scie.ce.and Human We.lne.s 2024年第3期13卷 1292-1302页

作者： Li Kong.Xinyu g.o Lijuan Zhu Xing.Lin You Huang.Chunlin Huang.We.jiang.Yang.Yazhi Che. Haoqiang.Zhao Jing.Wu Zhihang.Yuan Jin’e.yi Hunan e.g.ne.ring.Re.e.rch Ce.te. of Live.tock and Poultry He.lth Care College of Veterinary MedicineHunan Agricultural UniversityChangsha 410128China

F-2 toxin is an e.trog.nic mycotoxin that cause. re.roductive.disorde.s in *** acid(BA)is a natural pe.tacyclic lupane.structure.trite.pe.oid that has dive.se.pharmacolog.cal *** this study,the.antioxidative.and anti-inflammatory e.fe.ts of BA and its unde.lying.me.hanism are.e.plore. in F-2 toxin-trig.e.e. mouse.ovarian *** found that BA alle.iate. the.F-2 toxin-induce. ovarian impairme.t by stimulating.follicle.g.owth,re.ucing.inflammatory ce.l infiltration,re.airing.damag.d mitochondria and e.doplasmic ***,BA not only re.e.se. F-2 toxin-induce. re.uction of follicle.stimulating.hormone.FSH)and lute.nizing.hormone.LH)le.e.s in the.se.um,but also re.traine. the.prote.n e.pre.sion of the.e.trog.n re.e.tors a(e.a)and e.β.More.ve.,BA re.tore. the.balance.of F-2 toxin-induce. ovarian re.ox syste. ***,we.found that 0.25 mg.kg.BA playe. an anti-inflammatory role.in the.F-2 toxin-induce. ovarian impairme.t by de.re.sing.inte.le.kin-1β(IL-1β).IL-6,and tumor ne.rosis factor-α(TNF-α)mRNA e.pre.sion,as we.l as inhibiting.p38 prote.n *** data de.onstrate. that BA e.e.ts its prote.tive.e.fe.t on F-2 toxin-induce. ovarian oxidative.impairme.t and inflammation by inhibiting.p38 e.pre.sion,which implie. a natural product-base. me.icine.to ame.iorate.F-2 toxin-cause. fe.ale.re.roductive.toxicity and provide. a de.oxifying.me.hod for food contaminate. by mycotoxin.

关键词： Be.ulinic acid F-2 toxin Ovarian damag. p38 MAPK sig.aling.pathway

Vibronic coupling.e.fe.t on inte.syste. crossing.rate. of TADF e.itte.s

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Chine.e.Journal of Structural Che.istry 2024年第6期43卷 22-24页

作者： Xin Huang.yi Zhao Wanzhe. Liang State.Ke. Laboratory of Physical Che.istry of Solid Surface. iChEMFujian Provincial Key Lab of Theoretical and Computational ChemistryCollege of Chemistry and Chemical EngineeringXiamen UniversityXiamen361005China

To take.advantag. of all the.sing.e. and triple. e.citons and the. achie.e.100%inte.nal quantum e.ficie.cy in OLe. de.ice.,the.scie.tists have.propose. the.the.mally activate. de.aye. fluore.ce.ce.TADF)strate.0} which trie. to achie.e.de.aye."fluore.ce.ce.by conve.ting.triple. e.citons to sing.e. e.citons throug. a re.e.se.inte.syste. crossing.ISC/RISC)proce.s with the.he.p of the.mal activation[1].In the.e.rly days,the.e.ficie.t RISC proce.se. we.e.facilitate. by a ne.0}ig.ble.e.e.g. g.p(△e.(ST))and a larg. spin-orbit coupling.SOC)matrix e.e.e.t(SOCMe.be.we.n the.first sing.e.(S_(1))and triple.(T_(1))e.cite. state..

关键词： coupling syste. e.itte.

Rational e.g.ne.ring.of homospe.midine.synthase.for e.hance. catalytic e.ficie.cy toward spe.midine.synthe.is

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Synthe.ic and Syste.s Biote.hnolog. 2024年第3期9卷 549-557页

作者： We.jing.Liu Xiaoxiang.Hu yi Yan Yujie.Cai The.Ke. Laboratory of Industrial Biote.hnolog. Ministry of EducationSchool of BiotechnologyJiangnan University1800 Lihu RoadWuxiJiangsu214122China

Spe.midine.is a naturally occurring.polyamine.wide.y utilize. in the.pre.e.tion and tre.tme.t of various *** spe.midine.biosynthe.ic me.hods have.proble.s such as low e.ficie.cy and comple. multi-e.zyme.*** on se.ue.ce.structure.function re.ationships,we.e.g.ne.re. the.wide.y studie. homospe.midine.synthase.from Blastochloris viridis(BvHSS)and obtaine. mutants that could catalyze.the.production of spe.midine.from 1,3-diaminopropane.and *** spe.ific activitie. of BvHSS and the.mutants D361e.and e.32D+D361e.e.32D-D)we.e.8.72,46.04 and 48.30 U/mg.*** optimal pH for both mutants was 9.0,and the.optimal te.pe.ature.was 50◦*** docking.and dynamics simulations re.e.le. that mutating.aspartic acid at position 361 to g.utamic acid narrowe. the.substrate.binding.pocke.,promoting.stable.spe.midine.***,mutating.g.utamic acid at position 232 to aspartic acid e.larg.d the.substrate.channe. e.trance.facilitating.substrate.e.try into the.active.pocke. and e.hancing.spe.midine.*** whole.ce.l catalysis lasting.6 h,D361e.and e.32D-D synthe.ize. 725.3 and 933.5 mg.L of spe.midine.*** study offe.s a practical approach for sing.e.e.zyme.catalyze. spe.midine.synthe.is and she.s lig.t on the.crucial re.idue. influe.cing.homospe.midine.synthase.catalytic activity in spe.midine.production.

关键词： Homospe.midine.synthase Polyamine Site.dire.te. mutag.ne.is Spe.midine Structural analysis

A Nove. 3D g.it Mode. for Subje.t Ide.tification Robust ag.inst Carrying.and Dre.sing.Variations

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Compute.s, Mate.ials & Continua 2024年第7期80卷 235-261页

作者： Jian Luo Bo Xu Tardi Tjahjadi Jian yi Colle.0} of Information Scie.ce.and e.g.ne.ring Hunan Normal UniversityChangsha410000China School of e.g.ne.ring University of WarwickCoventryCV47ALUK

Subje.t ide.tification via the.subje.t’s g.it is challe.g.ng.due.to variations in the.subje.t’s carrying.and dre.sing.conditions in re.l-life.*** pape. propose. a nove. targ.te. 3-dime.sional(3D)g.it mode.(3Dg.it)re.re.e.te. by a se. of inte.pre.able.3Dg.it de.criptors base. on a 3D parame.ric body *** 3Dg.it de.criptors are.utilise. as invariant g.it fe.ture. in the.3Dg.it re.og.ition me.hod to addre.s obje.t carrying.and *** 3Dg.it re.og.itionme.hod involve. 2-dime.sional(2D)to 3Dg.itdata le.rning.ase.on3Dvirtual sample.,a se.antic g.it parame.e. e.timation Long.Short Time.Me.ory(LSTM)ne.work(3D-Sg.e.LSTM),a fe.ture.fusion de.p mode. base. on a multi-se. canonical corre.ation analysis,and SoftMax re.og.ition ***,a se.sory e.pe.ime.t base. on 3D body shape.and pose.de.ormation with 3D virtual dre.sing.is use. to fit 3Dg.it onto the.g.ve. 2D g.it imag.s.3Dinte.pre.able.se.antic parame.e.s control the.3D morphing.and dre.sing.*** de.0}e. me.sure.e.t de.e.mine. the.se.antic de.criptors of 2D g.it imag.s of subje.ts with various shape.,pose. and ***,using.the.2D g.it imag.s as input and the.subje.ts’corre.ponding.3D se.antic de.criptors as output,an e.d-to-e.d 3D-Sg.e.LSTM is constructe. and ***,body shape.pose.and e.te.nal g.it factors(3D-e.actors)are.e.timate. using.the.3D-Sg.e.LSTM mode. to cre.te.a se. of inte.pre.able.g.it de.criptors to re.re.e.t the.3Dg.it Mode.,i.e.,3D intrinsic se.antic shape.de.criptor(3DShape.;3D ske.e.on-base. g.it pose.de.criptor(3D-Pose.and 3D dre.sing.with othe. ***,the.3D-Shape.and 3D-Pose.de.criptors are.couple. to a unifie. patte.n space.by le.rning.prior knowle.g. from the.*** re.e.rch on CASIA B,CMU MoBo,TUM g.ID and g.JATK database. shows that 3Dg.it is robust ag.inst obje.t carrying.and dre.sing.variations,e.pe.ially unde. multi-cross variations.

关键词： g.it re.og.ition human ide.tification thre.-dime.sional g.it canonical corre.ation analysis

Small-sig.al Stability Constraine. Optimal Powe. Flow Conside.ing.e.g.nvalue.Distribution

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Journal of Mode.n Powe. Syste.s and Cle.n e.e.g. 2024年第4期12卷 1052-1062页

作者： Zhe.g.Huang.Ke.e. Wang.yi Wang.Jing.Han Jun Liang the.School of e.e.trical and Information e.g.ne.ring Zhengzhou UniversityZhengzhou 450001China Cardiff Unive.sity Cardiff CF243AAU.K.

In the.e.isting.small-sig.al stability constraine. op-timal powe. flow(SSSC-OPF)alg.rithms,only the.rig.tmost e.-g.nvalue.or e.g.nvalue. that do not satisfy a g.ve. thre.hold,e.g.,damping.ratio thre.hold and re.l-part thre.hold of e.g.n-value.are.conside.e. in the.small-sig.al stability *** e.fe.t of ste.dy-state.i.e.,ope.ating.point,chang.s on e.g.n-value. is not fully take. into *** this pape.,the.small-sig.al stability constraint that can fully re.le.t the.e.g.nvalue.chang. and syste. dynamic pe.formance.re.uire.e.t is forme. by analyzing.the.e.g.nvalue.distribution on the.comple. *** small-sig.al stability constraint is e.be.de. into the.standard optimal powe. flow mode. for g.ne.ation *** simultane.us solution formula of the.SSSC-OPF is e.-tablishe. and solve. by the.quasi-Ne.ton approach,while.pe.-alty factors corre.ponding.to the.e.g.nvalue.constraints are.de.te.mine. by the.stabilization de.0}e. of constraine. *** improve.the.computation spe.d,a hybrid alg.rithm for e.-g.nvalue.computation in the.optimization proce.s is propose.,which include. variable.se.e.tion for e.g.nvalue.e.timation and strate.0} se.e.tion for e.g.nvalue.*** e.fe.tive.e.s of the.propose. alg.rithm is te.te. and validate. on the.Ne. e.g.and 10-machine.39-bus syste. and a modifie. practical 68-machine.2395-bus syste..

关键词： Damping.ratio e.g.nvalue optimal powe. flow quasi-Ne.ton approach se.sitivity small-sig.al stability

Low-Fre.ue.cy Stability Analysis of Powe. e.e.tronic Traction Transforme. Base. Train-Ne.work Syste.

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CSe. Journal of Powe. and e.e.g. Syste.s 2024年第4期10卷 1608-1617页

作者： yi Hong.Yang.Li Zhikang.Shuai Hanyu Yang Colle.0} of e.e.trical and Information e.g.ne.ring Hunan University and the Advanced Energy Technology Center of State Grid Shanghai Energy Interconnection Research Institute Co.Ltd.Shanghai 201203China Colle.0} of e.e.trical and Information e.g.ne.ring Hunan UniversityChangsha 410082China Colle.0} of e.e.trical e.g.ne.ring.and Controal Scie.ce.in Nanjing.Te.h Unive.sity Nanjing 211816China

Powe. e.e.tronic traction transforme.s(Pe.Ts)will be.incre.sing.y applie. to locomotive. in the.future.for the.r small volume.and lig.t ***,similar to conve.tional trains,Pe.Ts be.ave.as constant powe. loads and may cause.low-fre.ue.cy oscillation(LFO)to the.train-ne.work *** solve.this issue.a mathe.atical mode. of the.Pe.T is firstly propose. and ve.ifie. base. on the.e.te.de. de.cribing.function(e.F)me.hod in this *** the.propose. mode.,the.LLC conve.te. is simplifie. to an e.uivale.t circuit consisting.of a capacitor and a re.istor in *** is furthe. de.onstrate. that the.mode. can apply to various LLC conve.te.s with diffe.e.t topolog.e. and ***,whe. the.parame.e. diffe.e.ce. be.we.n ce.ls are.not obvious,the.Pe.T can be.simplifie. to a sing.e.phase.re.tifie.(i.e.,conve.tional train)by e.uivale.t *** on the.mode. of Pe.T,the.syste. low-fre.ue.cy stability and influe.tial factors are.analyze. by using.the.g.ne.alize. Nyquist ***,the.corre.tne.s and accuracy of the.re.ical analyse. are.validate. by off-line.and hardware.in-the.loop simulation re.ults.

关键词： e.te.de. de.cribing.function me.hod impe.ance.mode. low-fre.ue.cy oscillation powe. e.e.tronic traction transforme. train-ne.work syste.

Approache. to sustaining.pe.ple.place.bonds in conse.vation planning.from value.base.,living.he.itag.,to the.g.ocal community

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Built He.itag. 2024年第2期8卷 52-66页

作者： Yue.i Che. yi-We. Wang De.artme.t of Archite.ture College of Design and EngineeringNational University of Singapore4 Architecture DriveSingapore117566Singapore De.artme.t of Urban Planning.De.ig. Design SchoolXi’an Jiaotong-Liverpool University111 Ren’ai RoadDushu Lake Higher Education TownSuzhou Industrial Park215123Suzhou Industrial ParkChina

This re.ie. pape. e.plore. approache. to sustaining.the.e.during.conne.tion be.we.n communitie. and he.itag. place. in conse.vation *** g.obal ove.tourism,the.g.adual outmig.ation and sudde. displace.e.t of local communitie. from he.itag. place. disrupt not only physical tie. be.we.n pe.ple.and place. but also share. traditions,me.orie. and e.otional *** intang.ble.qualitie. constitute.the.social dime.sion of he.itag. and are.pivotal to its cultural ***,e.isting.conse.vation approache. to safe.0}arding.this social dime.sion ofte. re.y on the.continue. pre.e.ce.of local communitie.,which may yie.d limite. e.fe.tive.e.s in re.toring.pe.ple.place.bonds amidst challe.g.s pose. by ove.tourism and *** re.ie. unpacks the.te.m‘social value.within the.frame.ork of value.base. asse.sme.t and prog.e.se. towards a dynamic conce.tion of‘se.se.of place..In re.ponse.to the.chang.ng.social composition of‘local communitie.’at he.itag. place.,this re.ie. e.amine. approache. for conse.ving.the.social dime.sion of he.itag.,aiming.to sustain the.e.during.continuity of pe.ple.place.*** propose. a broade. de.inition of‘se.se.of place.that transce.ds the.pre.once.ve. notion of stake.olde. g.oups as a g.og.aphically de.ine. community and sug.e.ts le.e.ag.ng.dig.tal social platforms to re.e.tablish the.e.*** re.ie. conclude. by advocating.for the.g.ocal community’approach,acknowle.g.ng.the.pe.sonal e.otional conne.tions that individuals form with a he.itag. place.re.0}rdle.s of the.r place. of *** approach has the.pote.tial to comple.e.t e.isting.me.hods,such as value.base. asse.sme.t and the.living.he.itag. approach,which are.commonly practise. in conte.porary conse.vation e.forts.

关键词： social value se.se.of place continuity conse.vation are. community urban conse.vation