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Highly se.e.tive.and e.o-frie.dly dihydroisoquinoline.synthe.is via Cu/Co syne.gistic catalysis in Cu NPs@MOFs catalyst unde. mild conditions

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Scie.ce.China Che.istry 2024年第5期67卷 1561-1568页

作者： Pe.g-Fe. Guo Ze.Long Liang Yue.e.Jiao Hang Xu Bin Zhao Ke. Laboratory of Advance. e.e.gy Mate.ial Che.istry Renewable Energy Conversion and Storage CenterDepartment of ChemistryNankai UniversityTianjin 300071China

3,4-Dihydroisoquinoline.DHIQ)is an important pre.ursor use. in the.production of drugs for tre.ting cance.,HIV,Alzhe.me.'s dise.se.*** studie. on DHIQ synthe.is show low catalytic se.e.tivity due.to the.susce.tible.ove.-oxidation fe.dstock of1,2,3,4-te.rahydroisoquinoline.THIQ),which ofte. re.uire. alkali ***,it is de.irable.ye. challe.ging to e.plore.a highly se.e.tive.and e.ficie.t oxyde.ydroge.ation capacity for DHIQ synthe.is unde. e.o-frie.dly re.ction ***,a nove. frame.ork 1 was synthe.ize.,e.hibiting 1D channe.s with the.size.of 4.6 A×9.6 A and high solve.t/p H/the.mal stability.A stable.frame.ork allows it to e.capsulate.Cu nanoparticle.(NPs)to form Cu NPs@1-x(x=1,2,3,and 4)with varying loading amounts of Cu NPs at 2.0 wt%,3.0 wt%,4.0 wt%,and 6.0 wt%,*** NPs@1-3 could se.e.tive.y catalyze.the.re.ction from THIQ to DHIQ with a high se.e.tivity of 98%and a re.orde. turnove. fre.ue.cy(TOF)of 22.1 h-1unde. e.o-frie.dly mild *** corre.ponding catalytic activity can maintain at le.st five.re.yclings and can be.furthe. applie. to gram-scale.***,the.e.ficie.t pre.aration of DHIQ catalyze. by Cu NPs@1-3 could be.re.lize. e.e. unde. air ***,the.anticance. mole.ule.pre.ursor synthe.is of 6,7-dime.hoxy-3,4-dihydroisoquinoline.was also se.e.tive.y catalyze. by Cu NPs@*** inve.tigations re.e.le. that high catalytic pe.formance.can be.attribute. to the.stable.frame.ork and the.syne.gistic catalytic e.fe.t of the.loade. Cu NPs and Co me.al *** importantly,this work re.re.e.ts the.first e.ample.of MOF catalysts for se.e.tive.y the.mo-catalytic DHIQ synthe.is and de.onstrate. a simple.approach to obtain e.ficie.t catalysts for se.e.tive.oxyde.ydroge.ation in the.production of unsaturate. compounds.

关键词： me.al-organic frame.orks Cu NPs@MOFs 3 4-dihydroisoquinoline se.e.tive.oxyde.ydroge.ation syne.gistic catalysis

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Me.t flow,he.t transfe. and solidification in a fle.ible.thin slab continuous casting mold with ve.tical-combine. e.e.tromagne.ic braking

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Journal of Iron and Ste.l Re.e.rch(Inte.national) 2024年第2期31卷 401-415页

作者： Lin Xu Ze.fe.g Han Christian Karche. e.-gang Wang Ke. Laboratory of e.e.tromagne.ic Proce.sing of Mate.ials(Ministry of e.ucation) Northeastern UniversityShenyang110819LiaoningChina Ke. Laboratory of Liaoning Province.for Cle.n Combustion Powe. Ge.e.ation and He.ting Te.hnology Shenyang Institute of EngineeringShenyang110136LiaoningChina Institute.of The.modynamics and Fluid Me.hanics Technische Universität IlmenauIlmenau98684Germany

During continuous casting of ste.l slabs,the.application of e.e.tromagne.ic braking te.hnology(e.Br)provide. an e.fe.tive.tool to influe.ce.solidification by controlling the.patte.n of me.t flow in the.***,the.quality of the.final product can be.improve. conside.ably.A ne. e.e.tromagne.ic braking(e.Br)me.hod,name. ve.tical-combine. e.e.tromagne.ic braking(VC-e.Br),is propose. to be.applie. to a fle.ible.thin slab casting(FTSC)*** e.aluate.the.be.e.icial e.fe.ts of the.VC-e.Br,the.me.t flow,he.t transfe.,and solidification proce.se. in the.FTSC mold are.studie. by me.ns of nume.ical *** de.ail,a Re.nolds-ave.age. Navie.–Stoke. turbule.ce.mode. toge.he. with an e.thalpy-porosity approach was *** nume.ical findings are.compare. with re.pe.tive.simulations using the.traditional *** re.ults de.onstrate.that the.application of the.VC-e.Br contribute. significantly to pre.e.ting re.ative.slab *** contrast to the.Rule.-e.Br,the.additional ve.tical magne.ic pole. of the.VC-e.Br pre.e.e.tially suppre.s the.dire.t impact of je. flow on the.narrow face.of FSTC mold and conside.ably diminish the.le.e. fluctuation ne.r the.me.iscus *** instance.by applying a magne.ic flux de.sity of 0.3 T,the.maximum amplitude.of me.iscus de.le.tion re.uce. by about 80%.More.ve.,the.braking e.fe.t of the.VC-e.Br e.fe.tive.y improve. the.homoge.e.ty of te.pe.ature.distribution in the.uppe. re.irculation re.ion and incre.se. the.solidifie. she.l thickne.s along the.casting *** this basis,the.ne.ly propose. VC-e.Br shows a be.e.icial e.fe.t in pre.e.ting re.ative.slab de.e.ts for FTSC thin slab continuous casting.

关键词： e.e.tromagne.ic braking Mold Me.t flow He.t transfe. Solidification

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Animal mode.s of he.atitis e.infe.tion: Advance. and challe.ge.

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He.atobiliary & Pancre.tic Dise.se. Inte.national 2024年第2期23卷 171-180页

作者： Ze.Xiang Xiang-Lin He.Chuan-Wu Zhu Jia-Jia Yang Lan Huang Chun Jiang Jian Wu Chine.e.Consortium for the.Study of He.atitis e.CCSHe. Zhe.iang Unive.sity School of Me.icine Hangzhou 310030China De.artme.t of Infe.tious Dise.se. The Fifth People’s Hospital of SuzhouSuzhou 215007China De.artme.t of Infe.tion Manage.e.t The Affiliated Suzhou Hospital of Nanjing Medical UniversitySuzhou Municipal HospitalGusu SchoolNanjing Medical UniversitySuzhou 215008China De.artme.t of Clinical Laboratory The Affiliated Suzhou Hospital of Nanjing Medical UniversitySuzhou Municipal HospitalGusu SchoolNanjing Medical UniversitySuzhou 215008China 不详

He.atitis e.virus(He.)is one.of the.le.ding cause. of acute.viral he.atitis *** most of He. infe.tions are.asymptomatic,some.patie.ts will de.e.op the.symptoms,e.pe.ially pre.nant wome.,the.e.de.ly,and patie.ts with pre.xisting live. dise.se.,who ofte. e.pe.ie.ce.anore.ia,nause.,vom-iting,malaise.abdominal pain,and *** infe.tion may be.ome.chronic in immunosuppre.se. *** addition,He. infe.tion can also cause.se.e.al e.trahe.atic *** e.ists in a wide.range.of hosts in nature.and can be.transmitte. across ***,animals susce.tible.to He. can be.use. as *** e.tablishme.t of animal mode.s is of gre.t significance.for studying He. transmission,clinical symptoms,e.trahe.atic manife.tations,and the.ape.tic strate.ie.,which will he.p us unde.stand the.pathoge.e.is,pre.e.tion,and tre.tme.t of he.atitis *** re.ie. summarize. the.animal mode.s of He.,including pigs,monke.s,rabbits,mice.rats,and othe. *** e.ch animal spe.ie.,we.provide. a concise.summary of the.He. ge.otype. that the. can be.infe.te. with,the.cross-spe.ie. transmission pathways,as we.l as the.r role.in studying e.trahe.atic manife.tations,pre.e.tion,and tre.tme.t of He. *** advantage. and disadvantage. of the.e.animal mode.s we.e.also *** re.ie. offe.s ne. pe.spe.tive. to e.hance.the.curre.t unde.standing of the.re.e.rch landscape.surrounding He. animal mode.s.

关键词： He.atitis e.virus Animal mode.s Pathoge.e.is Pre.e.tion Tre.tme.t

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e.fe.ts of acid-rock re.ction on physical prope.tie. during CO_(2)-rich industrial waste.gas(CO_(2)-rich IWG)inje.tion in shale.re.e.voirs

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Pe.role.m Scie.ce 2024年第1期21卷 272-285页

作者： Yi-Fan Wang Jing Wang Hui-Qing Liu Xiao-Cong Lv Ze.Min Ji National Ke. Laboratory of Pe.role.m Re.ource. and e.gine.ring China University of PetroleumBeijing102249China MOe.Ke. Laboratory of Pe.role.m e.gine.ring China University of PetroleumBeijing102249China Re.e.rch Institute.of e.ploration and De.e.opme.t PetroChinaBeijing100083China

"Carbon pe.king and carbon ne.trality"is an e.se.tial national strate.y,and the.ge.logical storage.and utilization of CO_(2)is a hot issue.***,due.to the.scarcity of pure.CO_(2)gas source. in China and the.high cost of CO_(2)capture.CO_(2)-rich industrial waste.gas(CO_(2)-rich IWG)is gradually e.e.ging into the.public's ***_(2)has good adsorption prope.tie. on shale.surface.,but acidic gase. can re.ct with shale.so the.me.hanism of the.CO_(2)-rich IWG-wate.-shale.re.ction and the.change.in re.e.voir prope.tie. will de.e.mine.the.stability of ge.logical ***,base. on the.mine.al composition of the.Longmaxi Formation shale.this study constructs a the.modynamic e.uilibrium mode. of wate.-rock re.ctions and simulate. the.re.ularity of re.ctions be.we.n CO_(2)-rich IWG and shale.*** re.ults indicate.that CO_(2)consume. 12%afte. re.ction,and impurity gase. in the.CO_(2)-rich IWG can be.dissolve. e.tire.y,thus de.onstrating the.fe.sibility of tre.ting IWG through wate.-rock *** IWG inhibits the.dissolution of CO_(2),the.optimal composition of CO_(2)-rich IWG is 95%CO_(2)and 5%IWG whe. CO_(2)ge.logical storage.is the.main *** contrast,whe. the.main goal is the.ge.logical storage.of total CO_(2)-rich IWG or impurity gas,the.optimal CO_(2)-rich IWG composition is 50%CO_(2)and 50%*** the.CO_(2)-rich IWG-wate.-shale.re.ction,te.pe.ature.has le.s influe.ce.on the.wate.-rock re.ction,while.pre.sure.is the.most important ***2 has the.gre.te.t impact on wate.-rock re.ction in *** mine.als,clay mine.als such as illite.and montmorillonite.had a significant e.fe.t on wate.-rock *** ove.all re.ction is dominate. by pre.ipitation and the.volume.of the.rock ske.e.on has incre.se. by 0.74 cm3,re.ulting in a de.re.se.in shale.porosity,which e.hance. the.stability of CO_(2)ge.logical storage.to some.*** the.re.ction be.we.n CO_(2)-rich IWG-wate.-shale.at simulate. te.pe.ature. and pre.sure.,pre.ipitation

关键词： CO_(2)-rich industrial waste.gas Ge.logical storage Acid-rock re.ction Shale Ge.che.ical mode.ling

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The.e.fe.t of Late.al Offse. Distance.on the.Ae.odynamics and Fue. e.onomy of Ve.icle.Que.e.

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Fluid Dynamics & Mate.ials Proce.sing 2024年第1期20卷 147-163页

作者： Lili Le. Ze.Li Haichao Zhou Jing Wang We. Lin School of Automotive.and Traffic e.gine.ring Jiangsu UniversityZhenjiang212013China

The.ve.icle.industry is always in se.rch of bre.kthrough e.e.gy-saving and e.ission-re.uction *** re.e.t ye.rs,ve.icle.inte.lige.ce.has progre.se. conside.ably,and re.e.rche.s are.curre.tly trying to take.advantage.of the.e.*** we.conside. the.case.of many ve.icle. forming a que.e.i.e.,ve.icle. trave.ing at a pre.e.e.mine. spe.d and distance.*** the.majority of e.isting studie. on this subje.t have.focuse. on the.influe.ce.of the.longitudinal ve.icle.spacing,ve.icle.spe.d,and the.numbe. of ve.icle. on ae.odynamic drag and fue. e.onomy,this study conside.s the.late.al offse. distance.of the.ve.icle.*** group fue. consumption savings rate.is calculate. and *** also de.onstrate. by e.pe.ime.tal re.ults,some.ae.odynamic be.e.its ***,the.fue. consumption saving rate.of the.ve.icle.que.e.de.re.se. as the.late.al offse. distance.incre.se..

关键词： Ve.icle.platoon automotive.ae.odynamics horizontal offse. distance fue. consumption savings rate computational fluid dynamics

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Unde.stand the.Te.pe.ature.Se.sing Be.avior of Solid-state.Polyme.ize. Pe.OT Hybrid Base. on X-ray Scatte.ing Studie.

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Chine.e.Journal of Polyme. Scie.ce 2024年第1期42卷 105-112,I0010页

作者： Zhe.-Hang He.Guang-Fe.g Liu Ze.Kun Zhou Zhe. Liu Yi-Shu Ze.g Pe.g Zhang School of Mate.ials Scie.ce.and e.gine.ring Key Laboratory for Polymeric Composite and Functional Materials of Ministry of EducationSun Yat-sen UniversityGuangzhou 510275China Shanghai Advance. Re.e.rch Institute.Zhangjiang Laboratory) Chinese Academy of SciencesShanghai 201204China

Poly(3,4-e.hyle.e.ioxythiophe.e.(Pe.OT) is one.of the.most succe.sful conductive.polyme.s that re.e.tly has be.n use. in we.rable.se.sors for human he.lth monitoring. In this work, we.pre.are. a se.ie. of Pe.OT hybrids consisting of Pe.OT, sodium poly(styre.e.sulfonate.(PSSNa) and polye.hyle.e.oxide.Pe.), and the.r pre.aration could be.scale.-up via an adapte. solid-state.polyme.ization proce.s. The.re.istance.of the.as-pre.are. Pe.OT:PSS/Pe. hybrid shows cle.r te.pe.ature.re.ponse. i.e., it de.re.se. almost line.rly with the.te.pe.ature.incre.se. To unde.stand this phe.ome.on, the.in situ synchrotron radiation wide.and small-angle.X-ray scatte.ing(WAXS/SAXS) characte.izations we.e.unde.take. to study the.te.pe.ature.de.e.de.t microstructure.change.of the.Pe.OT:PSS/Pe. hybrid. It de.onstrate. that Pe.OT forme. conductive.paths in the.hybrids, which we.e.not de.troye. by the.Pe. crystallization. As te.pe.ature.incre.se., the.Pe. crystals' me.ting and the.accompanying re.rganization of Pe.OT chains e.dowe. the.hybrid sample.te.pe.ature.re.ponsive.e.s. Base. on the.e.fundame.tal knowle.ge., the.hybrid mate.ials we.e.use. to fabricate.fle.ible.we.rable.se.sor that showing te.pe.ature.se.sing pe.formance.with an accuracy of 1 ℃. The.e.findings she. lights on the.scalable.manufacturing of we.rable.se.sors for body te.pe.ature.monitoring.

关键词： Solid-state.polyme.ization Pe.OT hybrid Structure.prope.ty corre.ation X-ray scatte.ing

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e.fe.t of nucle.ting age.ts on the.e.e.trical prope.tie. of cross-linke. polye.hyle.e.unde. te.sile.stre.s

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High Voltage 2024年第2期9卷 429-439页

作者： Yunqi Xing Jiahao Liu Jingang Su Junwe. Zha Guochang Li Ze.Guo Xiaozhe. Zhao Me.gjia Fe.g State.Ke. Laboratory of Re.iability and Inte.lige.ce.of e.e.trical e.uipme.t Hebei University of TechnologyTianjinChina e.e.tric Powe. Re.e.rch Institute.of State.Grid He.e. e.e.tric Powe. Supply Co. Ltd.ShijiazhuangChina Be.jing Advance. Innovation Ce.te. for Mate.ials Ge.ome.e.gine.ring School of Chemistry and Biological EngineeringUniversity of Science&Technology BeijingBeijingChina Institute.of Advance. e.e.trical Mate.ials Qingdao University of Science and TechnologyQingdaoChina

During the.ope.ation of high-voltage.cable.,e.te.nal stre.s and re.idual stre.s can affe.t the.aggre.ate. structure.of insulating mate.ials and le.d to significant de.e.ioration in the.r e.e.trical *** inve.tigate.the.e.olution characte.istics of the.e.e.trical prope.tie. of cross-linke. polye.hyle.e.XLPe.unde. me.hanical stre.s,this pape. e.-plains the.re.ationship be.we.n the.aggre.ate. structure.of XLPe.and its e.e.trical prope.tie. and propose. a me.hod for improving insulation pe.formance.unde. me.chanical *** re.ults show that me.alloce.e.polye.hyle.e.use. as a nucle.ting age.t can promote.crystallisation through he.e.oge.e.us nucle.tion and incre.se.Young's modulus by non-uniform nucle.tion,incre.sing crystallinity and re.ucing inte.planar spacing,re.ulting in more.comple.e.crystal forms and re.uce. damage.to the.aggre.ate. structure.during the.te.sile.*** nucle.ting age.t modification,the.XLPe.crystallisation be.ome. more.uniform,and inte.facial adhe.ion force. *** we.ke.e. inte.face.damage.proce.s be.we.n the.amorphous and crystalline.re.ions unde. te.sile.stre.s e.fe.tive.y inhibits the.proce.s of mole.ular chain polarisation turning and re.uce. trap *** modifie. XLPe.crystal structure.shows a te.de.cy towards de.sification and e.hance. mole.ular chain inte.actions,which can re.uce.the.damage.to the.aggre.ate. structure.unde. te.sile.stre.s,while.the.re.uce. fre. volume.inside.the.mate.ial and the.shorte.e. ave.age.fre. path of carrie.s can we.ke. the.damage.of high-e.e.gy e.e.trons to mole.ular chains,the.e.y inhibiting the.proce.s of e.e.trical tre. *** re.ults show that nucle.ting age.ts have.gre.t pote.tial for maintaining the.stable.ope.ation of XLPe.cable. unde. me.hanical stre.s.

关键词： stre.s e.e.trical damage

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Nano-flowe. sphe.ical SnS2 combine. with a spe.ial lithium storage.me.hanism as a multifunctional se.arator for lithium-sulfur batte.ie. contribute. to ultra-high initial discharge.spe.ific capacity

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Scie.ce.China(Te.hnological Scie.ce.) 2024年第2期67卷 509-519页

作者： LIU HuaZhong XIONG YaPing HUANG MouZhi CHe. ZongMin YANG Xiao ZHANG Ze.YANG Zhe.Yu CAI JianXin School of Che.istry&Che.ical e.gine.ring Nanchang UniversityNanchang 330031China

The.critical factors that limit the.e.e.troche.ical pe.formance.of lithium-sulfur(Li-S)batte.ie. are.mainly the.shuttle.e.fe.t”of polysulfide. and the.slow re.ox re.ction be.we.n lithium polysulfide.(LiPSs).He.e.n,a nano-sphe.e.type.mate.ial se.fasse.ble. from tin disulfide.nanoshe.ts is de.igne. and applie. to the.Li-S ce.l se.arator in this *** SnS_(2)@PP modifie. se.arator not only acts as a dual re.triction for LiPSs by che.isorption and physical *** the.same.time.it improve. the.catalytic activity of the.re.ox re.ction be.we.n *** SnS_(2)has e.tre.e.y high e.e.troche.ical ***,a portion of the.lithium ions can be.inse.te. into SnS_(2)to form Li_(x)SnS_(2)and contribute.to the.capacity during the.first discharge.of the.*** addition,Li_(x)SnS_(2)posse.se. a high de.re. of stability,and it doe. not unde.go furthe. de.alloying re.ctions e.e. at the.high pote.tial of the.Li-S *** be.e.it is that the.ste.dy-state.Li_(x)SnS_(2)acts as a lithium-containing *** can form spe.ial Li^(+)channe.s on the.surface.of the.se.arator,thus gre.tly improving the.e.ficie.cy of Li+*** re.ults showe. that the.SnS_(2)@PP-base. ce.l e.hibite. e.tre.e.y high initial discharge.spe.ific capacity(1477 m Ah g^(-1)at 0.1 C)and e.ce.le.t rate.pe.formance.631 m Ah g^(-1)at 5 C).e.e. afte. 1000 cycle. at 2 C,the.ce.l e.hibite. a low de.ay rate.of 0.06%pe. cycle.on *** addition,the.supe.ior e.e.troche.ical pe.formance.was obtaine. e.e. with a high sulfur loading of 5.1 mg cm^(-2)and low e.e.trolyte.of e.S=8μL mg^(-1).

关键词： Li-S batte.ie. modifie. se.arators polysulfide. catalytic conve.sion high e.e.troche.ical activity

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Ge.physical pre.iction of organic matte. abundance.in source.rocks base. on ge.che.ical analysis:A case.study of southwe.te.n Bozhong Sag,Bohai Se.,China

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Pe.role.m Scie.ce 2024年第1期21卷 31-53页

作者： Xiang Wang Guang-Di Liu Xiao-Lin Wang Jin-Fe.g Ma Zhe.-Liang Wang Fe.-Long Wang Ze.Zhang Song Chang-Yu Fan State.Ke. Laboratory of Pe.role.m Re.ource. and Prospe.ting China University of Petroleum(Beijing)Beijing102249China Colle.e.of Ge.scie.ce. China University of Petroleum(Beijing)Beijing102249China State.Ke. Laboratory of Contine.tal Dynamics Northwest UniversityXi'an710069ShaanxiChina De.artme.t of Ge.logy Northwest UniversityXi'an710069ShaanxiChina CNOOC Tianjin Branch Company Tianjin300459China

The.Bozhong Sag is the.large.t pe.rolife.ous sag in the.Bohai Bay Basin,and the.source.rocks of Pale.ge.e.Dongying and Shahe.ie.Formations we.e.burie. *** of the.drillings we.e.locate. at the.structural high,and the.e.we.e.fe. we.ls that me. good quality source.rocks,so it is difficult to e.aluate.the.source.rocks in the.study are. pre.ise.y by ge.che.ical analysis *** on the.Rock-e.al pyrolysis,total organic carbon(TOC)te.ting,the.organic matte.(OM)abundance.of Pale.ge.e.source.rocks in the.southwe.te.n Bozhong Sag we.e.e.aluate.,including the.lowe. of se.ond me.be. of Dongying Formation(e.(3)d2L),the.third me.be. of Dongying Formation(e.(3)d_(3)),the.first and se.ond me.be.s of Shahe.ie.Formation(e.(2)s_(1+2)),the.third me.be. of Shahe.ie.Formation(e.(2)s_(3)).The.re.ults indicate.that the.e.(2)s_(1+2)and e.(2)s_(3)have.be.te. hydrocarbon ge.e.ative.pote.tials with the.highe.t OM abundance.the.e.(3)d_(3)are.of the.se.ond good quality,and the.e.(3)d2L have.poor to fair hydrocarbon ge.e.ative.***,the.we.l logs we.e.applie. to pre.ict TOC and re.idual hydrocarbon ge.e.ation pote.tial(S_(2))base. on the.se.ime.tary facie. classification,usingΔlogR,ge.e.alize.ΔlogR,logging multiple.line.r re.re.sion and BP ne.ral ne.work *** various me.hods we.e.compare.,and the.BP ne.ral ne.work me.hod have.re.ative.y be.te. pre.iction *** on the.pre.stack simultane.us inve.sion(P-wave.impe.ance.P-wave.ve.ocity and de.sity inve.sion re.ults)and the.post-stack se.smic attribute.,the.thre.-dime.sional(3D)se.smic pre.iction of TOC and S_(2)was carrie. *** re.ults show that the.se.smic ne.r we.l pre.iction re.ults of TOC and S_(2)base. on se.smic multi-attribute. analysis corre.pond we.l with the.re.ults of we.l logging me.hods,and the.plane.pre.iction re.ults are.ide.tical with the.se.ime.tary facie. map in the.study *** TOC and S_(2)value. of e.(2)s_(1+2)and e.(2)s_(3)are.highe. than those.in e.(3)d_(3)and e.(3)d_(2)L,basicall

关键词： Total organic carbon(TOC) Re.idual hydrocarbon ge.e.ation pote.tial(S_(2)) Ge.physical pre.iction Se.smic attribute Bozhong Sag Bohai Bay Basin

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Asymme.ric Two-Compone.t Alke.yl Cate.lani Re.ction for the.Construction of C—N Axial Chirality

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Chine.e.Journal of Che.istry 2024年第7期42卷 699-704页

作者： Che.ggui Wu Ze.Shui Liu Yong Shang Chang Liu Shuang De.g Hong-Gang Che.g He.gjiang Cong Yinchun Jiao Qianghui Zhou Sauvage.Ce.te. for Mole.ular Scie.ce. Engineering Research Center of Organosilicon Compounds&Materials(Ministry of Education)Hubei Key Lab on Organic and Polymeric OptoElectronic MaterialsCollege of Chemistry and Molecular SciencesThe Institute for Advanced Studiesand TaiKang Center for Life and Medical SciencesWuhan UniversityWuhanHubei 430072China Ke. Laboratory of Xin'an Me.icine Ministry of EducationAnhui University of Chinese MedicineHefeiAnhui 230038China School of Che.istry and Che.ical e.gine.ring Hunan University of Science and TechnologyXiangtanHunan 411201China

He.e.n,we.re.ort an asymme.ric two-compone.t alke.yl Cate.lani re.ction for the.construction of C—N axial chirality through a palladium/chiral norborne.e.coope.ative.catalysis and an axial-to-axial chirality transfe. *** partially aromatic iodinate. 2-pyridone.,quinolone.,coumarin and uracil substrate. re.ct with 2,6-disubstitute. aryl bromide. with a te.he.e. amide.group,to afford a wide.varie.y of polycyclic C—N atropisome.s(38 e.ample.,up to 97%e.e.).The.obtaine. C—N axial chirality originate. from the.pre.orme. transie.t C—C axial chirality with high *** synthe.ic utility of this che.istry is de.onstrate. by facile.pre.a-ration of comple. quinoline.and pyridine.base. C—N atropisome.s through a N-de.rote.tion and aromatization *** addi-tion,a re.ote.axial-to-ce.tral diaste.e.induction proce.s dictate. by C—N axial chirality is obse.ve. with e.ce.le.t diaste.e.control.

关键词： Alke.yl Cate.lani re.ction Asymme.ric catalysis Atropisome.ism Axial-to-axial chirality transfe. He.e.ocycle.

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