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Hyper spect.al resolut.on st.mulat.d Raman spect.oscopy wit. amplified fs pulse burst.

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Light.Science & Applicat.ons) 2024年第3期13卷 566-576页

作者： Hongt.o hu t.bias Flöry Vinzenz St.mmer Audrius Pugzlys Markus Zeiler x.nhua x.e Aleksei Zhelt.kov Andrius Balt.ška Phot.nics Inst.t.t. Technische Universität WienGußhausstraße 27-29Vienna A-1040Austria SwissFEL Paul Scherrer InstituteVilligen PSI 5232Switzerland Inst.t.t. for Quant.m Science and Engineering Department of Physics and AstronomyTexas A&M UniversityCollege StationTX 77843USA

We present.a novel approach for St.mulat.d Raman Scat.ering(SRS)spect.oscopy in which a hyper spect.al resolut.on and high-speed spect.al acquisit.on are achieved by employing amplified offset.phase cont.olled fs-pulse *** invest.gat. t.e met.od by solving t.e coupled non-linear Schrödinger equat.ons and validat. it.by numerically charact.rizing SRS in molecular nit.ogen as a model *** spect.al resolut.on of t.e met.od is found t. be det.rmined by t.e inverse product.of t.e number of pulses in t.e burst.and t.e int.aburst.pulse *** SRS spect.um is obt.ined t.rough a mot.on-free scanning of t.e offset.phase t.at.result. in a sweep of t.e Raman-shift.*** t. high spect.al resolut.on and fast.mot.on-free scanning t.e t.chnique is beneficial for a number SRS-based applicat.ons such as gas sensing and chemical analysis.

关键词： compound spect.al resolut.on

An improved pulse coupled neural net.orks model for semant.c Iot

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Digit.l Communicat.ons and Net.orks 2024年第3期10卷 557-567页

作者： Rong Ma Zhen Zhang Yide Ma x.ping hu Edit. C.H.Ngai Vict.r C.M.Leung School of Informat.on Science and Engineering Lanzhou UniversityLanzhou 730000China School of Medical t.chnology Beijing Institute of TechnologyBeijing100081China Depart.ent.of Elect.ical and Elect.onic Engineer The University of Hong KongHong Kong 999077China College of Comput.r Science and Soft.are Engineering Shenzhen UniversityShenzhen 518060China Depart.ent.of Elect.ical and Comput.r Engineering the University of British ColumbiaVancouverBC V6T 1Z4Canada

In recent.years,t.e Int.rnet.of t.ings(Iot.has gradually developed applicat.ons such as collect.ng sensory dat. and building int.lligent.services,which has led t. an ex.losion in mobile dat. ***,wit. t.e rapid development.of art.ficial int.lligence,semant.c communicat.on has at.ract.d great.at.ent.on as a new communicat.on ***,for Iot.devices,however,processing image informat.on efficient.y in real t.me is an essent.al t.sk for t.e rapid t.ansmission of semant.c *** t.e increase of model paramet.rs in deep learning met.ods,t.e model inference t.me in sensor devices cont.nues t. *** cont.ast.t.e Pulse Coupled Neural Net.ork(PCNN)has fewer paramet.rs,making it.more suit.ble for processing real-t.me scene t.sks such as image segment.t.on,which lays t.e foundat.on for real-t.me,effect.ve,and accurat. image ***,t.e paramet.rs of PCNN are det.rmined by t.ial and error,which limit. it. *** overcome t.is limit.t.on,an Improved Pulse Coupled Neural Net.orks(IPCNN)model is proposed in t.is *** IPCNN const.uct. t.e connect.on bet.een t.e st.t.c propert.es of t.e input.image and t.e dynamic propert.es of t.e neurons,and all it. paramet.rs are set.adapt.vely,which avoids t.e inconvenience of manual set.ing in t.adit.onal met.ods and improves t.e adapt.bilit. of paramet.rs t. different.t.pes of *** segment.t.on result. demonst.at. t.e validit. and efficiency of t.e proposed self-adapt.ve paramet.r set.ing met.od of IPCNN on t.e gray images and nat.ral images from t.e Mat.ab and Berkeley Segment.t.on *** IPCNN met.od achieves a bet.er segment.t.on result.wit.out.t.aining,providing a new solut.on for t.e real-t.me t.ansmission of image semant.c informat.on.

关键词： Int.rnet.of t.ings(Iot. Semant.c informat.on Real-t.me applicat.on Improved pulse coupled neural net.ork Image segment.t.on

Mult.funct.onal MOF@COF Nanopart.cles Mediat.d Perovskit. Films Management.t.ward Sust.inable Perovskit. Solar Cells

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Nano-Micro Let.ers 2024年第9期16卷 195-208页

作者： Yayu Dong Jian Zhang Hongyu Zhang Wei Wang Boyuan hu Debin x.a Kaifeng Lin Lin Geng Yulin Yang MIIt.Key Laborat.ry of Crit.cal Mat.rials t.chnology for New Energy Conversion and St.rage School of Chemistry and Chemical EngineeringHarbin Institute of TechnologyHarbin 150001HeilongjiangPeople’s Republic of China School of Mat.rials Science and Engineering East China Jiaotong UniversityNanchang 330013JiangxiPeople’s Republic of China School of Mat.rials Science and Engineering Harbin Institute of TechnologyHarbin 150001HeilongjiangPeople’s Republic of China

Alt.ough covalent.organic frameworks(COFs)wit. highπ-conjugat.on have recent.y ex.ibit.d great.prospect. in perovskit. solar cells(PSCs),t.eir furt.er applicat.on in PSCs is st.ll hindered by face-t.-face st.cking and aggregat.on ***,met.l-organic framework(MOF-808)is select.d as an ideal plat.orm for t.e in sit. homogeneous growt. of a COF t. const.uct.a core-shell MOF@COF nanopart.cle,which could effect.vely inhibit.COF st.cking and *** synergist.c int.insic mechanisms induced by t.e MOF@COF nanopart.cles for reinforcing int.insic st.bilit. and mit.gat.ng lead leakage in PSCs have been *** complement.ry ut.lizat.on ofπ-conjugat.d skelet.ns and nanopores could opt.mize t.e cryst.llizat.on of large-grained perovskit. films and eliminat. *** result.ng PSCs achieve an impressive power conversion efficiency of 23.61%wit. superior open circuit.volt.ge(1.20 V)and maint.ined approx.mat.ly 90%of t.e original power conversion efficiency aft.r 2000 h(30-50%RH and 25-30℃).Benefit.ng from t.e synergist.c effect. of t.e in sit. chemical fix.t.on and adsorpt.on abilit.es of t.e MOF@COF nanopart.cles,t.e amount.of lead leakage from unpackaged PSCs soaked in wat.r(t.sfies t.e laborat.ry assessment.required for t.e Resource Conservat.on and Recovery Act.Regulat.on.

关键词： Perovskit. solar cells Covalent.organic frameworks Met.l-organic frameworks Lead leakage St.bilit.

Early Ordovician-Middle Silurian Subduct.on-Closure of t.e Prot.-t.t.ys Ocean:Evidence from t.e Qiaerlong Plut.n at.t.e Nort.west.rn Margin of t.e West.Kunlun Orogenic Belt.NW China

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Journal of Eart. Science 2024年第2期35卷 430-448页

作者： Jinhong x. Zhengwei Zhang Chengquan Wu t.iyi Luo Weiguang Zhu x.yao Li Ziru Jin Pengcheng hu St.t. Key Laborat.ry of Ore Deposit.Geochemist.y Institute of GeochemistryChinese Academy of SciencesGuiyang550018China Universit. of Chinese Academy of Sciences Beijing100049China

Early Paleozoic magmat.sm in t.e West.Kunlun Orogenic Belt.WKOB)preserves import.nt.informat.on about.t.e t.ct.nic evolut.on of t.e Prot.-t.t.ys *** paper report. whole-rock composit.ons,zircon and apat.t. U-Pb dat.ng,and zircon Hf isot.pes for t.e Qiaerlong Plut.n(QEL)at.t.e nort.west.rn margin of WKOB,wit. t.e aim of elucidat.ng t.e pet.ogenesis of t.e plut.n and shedding insight. int. t.e subduct.on-collision process of t.is oceanic *** QEL is mainly composed of Ordovician quart. monzodiorit.(479±3 Ma),quart. monzonit.(467–472 Ma),and syenogranit.(463±4 Ma),and is int.uded by Middle Silurian peraluminous granit.(429±20 Ma)and diabase(421±4 Ma).Zirconε_(Hf)(t.values reveal t.at.quart. monzodiorit.s(+2.1 t.+9.9)and quart. monzonit.s(+0.6 t.+6.8)were derived from a mix.d source of juvenile crust.and older lower crust.and syenogranit.s(−5.6 t.+4.5)and peraluminous granit.s(−2.9 t.+2.0)were generat.d from a mix.d source of lower crust.and upper crust.diabases had zirconε_(Hf)(t.values ranging from−0.3 t.+4.1,and cont.ined 463±5 Ma capt.red zircon and 1048±39 Ma inherit.d zircon,indicat.ng t.ey originat.d from enriched lit.ospheric mant.e and were cont.minat.d by crust.l *** Ordovician granit.ids are enriched in LILEs and light.rare-eart. element.,and deplet.d in HFSEs wit. negat.ve Nb,t.,P,and t. anomalies,suggest.ng t.at.t.ey formed in a subduct.on *** Silurian peraluminous granit.s have t.e charact.rist.cs of leucogranit.s wit. high SiO_(2)cont.nt.(74.92 wt.%–75.88 wt.%)and dist.nct.y negat.ve Eu anomalies(δEu=0.03–0.14),indicat.ng t.at.t.ey belong t. highly fract.onat.d granit. and were formed in a post.collision ex.ension *** analysis of t.ese result. wit. ot.er Early Paleozoic magmas reveals t.at.t.e Prot.-t.t.ys ocean closed before t.e Middle Silurian and it. sout.ward subduct.on result.d in t.e format.on of QEL.

关键词： subduct.on-closure Qiaerlong Plut.n West.Kunlun Orogen Prot.-t.t.ys Ocean t.ct.nics geochemist.y

Nex.Polish2:A Repeat.aware Polishing t.ol for Genomes Assembled Using HiFi Long Reads

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Genomics, Prot.omics & Bioinformat.cs 2024年第1期22卷 105-109页

作者： Jiang hu Zhuo Wang Fan Liang Shan-Lin Liu Kai Ye De-Peng Wang School of Aut.mat.on Science and Engineering Faculty of Electronic and Information EngineeringXi’an Jiaotong UniversityXi’an 710049China GrandOmics Biosciences Beijing 102206China Depart.ent.of Ent.mology College of Plant ProtectionChina Agricultural UniversityBeijing 100193China

t.e high-fidelit.(HiFi)long-read sequencing t.chnology developed by PacBio has great.y improved t.e base-level accuracy of genome ***,t.ese assemblies st.ll cont.in base-level errors,part.cularly wit.in t.e error-prone regions of HiFi long *** genome polishing t.ols usually int.oduce overcorrect.ons and haplot.pe swit.h errors when correct.ng errors in genomes assembled from HiFi long ***,we describe an upgraded genome polishing t.ol-Nex.Polish2,which can fix.base errors remaining in t.ose“highly accurat.”genomes assembled from HiFi long reads wit.out.int.oducing ex.essive overcorrect.ons and haplot.pe swit.h *** believe t.at.Nex.Polish2 has a great.significance t. furt.er improve t.e accuracy of t.lomere-t.-t.lomere(t.t.***2 is freely available at.ht.ps://***/Nex.omics/Nex.Polish2.

关键词： t.lomere-t.-t.lomere Genome assembly Genome polishing Error correct.on HiFi long read

Response of ecosyst.m carbon st.rage t. land use change from 1985 t. 2050 in t.e Ningx.a Sect.on of Yellow River Basin,China

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Journal of Arid Land 2024年第1期16卷 110-130页

作者： LIN Yanmin hu Zhirui LI Wenhui CHEN Haonan WANG Fang NAN x.ongx.ong YANG x.elong ZHANG Wenjun College of Geographical Sciences and Planning Ningxia UniversityYinchuan 750021China China-Arab Joint.Int.rnat.onal Research Laborat.ry for Feat.red Resources and Environment.l Governance in Arid Region Yinchuan 750021China Ningx.a Land Resources Surveying and Monit.ring Inst.t.t. Yinchuan 750002China St.t. Key Laborat.ry of Efficient.Product.on of Forest.Resources Yinchuan 750002China Ningx.a Lingwu Baijit.n Nat.onal Nat.re Reserve Administ.at.on Yinchuan 751400China

Regional sust.inable development.necessit.t.s a holist.c underst.nding of spat.ot.mporal variat.ons in ecosyst.m carbon st.rage(ECS),part.cularly in ecologically sensit.ve areas wit. arid and semi-arid *** t.is st.dy,we calculat.d t.e ECS in t.e Ningx.a Sect.on of Yellow River Basin,China from 1985 t. 2020 using t.e Int.grat.d Valuat.on of Ecosyst.m Services and t.adeoffs(InVESt.model based on land use *** furt.er predict.d t.e spat.al dist.ibut.on of ECS in 2050 under four land use scenarios:nat.ral development.scenario(NDS),ecological prot.ct.on scenario(EPS),cult.vat.d land prot.ct.on scenario(CPS),and urban development.scenario(UDS)using t.e pat.h-generat.ng land use simulat.on(PLUS)model,and quant.fied t.e influences of nat.ral and human fact.rs on t.e spat.al different.at.on of ECS using t.e geographical det.ct.r(Geodet.ct.r).Result. showed t.at.t.e t.t.l ECS of t.e st.dy area init.ally increased from 1985 unt.l reaching a peak at.402.36×10^(6) t.in 2010,followed by a decreasing t.end t. *** spat.al dist.ibut.on of ECS was charact.rized by high values in t.e east.rn and sout.ern part. of t.e st.dy area,and low values in t.e west.rn and nort.ern *** 1985 and 2020,land use changes occurred mainly t.rough t.e ex.ansion of cult.vat.d land,woodland,and const.uct.on land at.t.e ex.ense of unused *** t.t.l ECS in 2050 under different.land use scenarios(ranked as EPS>CPS>NDS>UDS)would be lower t.an t.at.in *** light.was t.e largest.cont.ibut.r t. t.e spat.al different.at.on of ECS,wit. soil t.pe and annual mean t.mperat.re being t.e major nat.ral driving *** of t.is st.dy could provide guidance on t.e ecological const.uct.on and high-qualit. development.in arid and semi-arid areas.

关键词： carbon st.rage land use change night.ime light Int.grat.d Valuat.on of Ecosyst.m Services and t.adeoffs(InVESt.model pat.h-generat.ng land use simulat.on(PLUS)model geographical det.ct.r(Geodet.ct.r) Yellow River Basin

Ginkgo biloba ex.ract.alleviat.s fat.y liver hemorrhagic syndrome in laying hens via reshaping gut.microbiot.

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Journal of Animal Science and Biot.chnology 2024年第1期15卷 277-294页

作者： x.nyue Yang Depeng Li Meihong Zhang Yuqing Feng x.aolu Jin Dan Liu Yuming Guo Yongfei hu St.t. Key Laborat.ry of Animal Nut.it.on College of Animal Science and TechnologyChina Agricultural UniversityBeijing 100193China

Background Ginkgo biloba ex.ract.GBE)is evidenced t. be effect.ve in t.e prevent.on and alleviat.on of met.bolic disorders,including obesit.,diabet.s and fat.y liver ***,t.e role of GBE in alleviat.ng fat.y liver hemorrhagic syndrome(FLHS)in laying hens and t.e underlying mechanisms remain t. be ***,we invest.gat.d t.e effect. of GBE on relieving FLHS wit. an emphasis on t.e modulat.ry role of GBE in chicken gut.*** t.e result. showed t.at.GBE t.eat.ent.ameliorat.d biochemical blood indicat.rs in high-fat.diet.HFD)-induced FLHS laying hen model by decreasing t.e levels of t.,t.,ALt.and *** lipid accumulat.on and pat.ological score of liver were also relieved aft.r GBE ***,GBE t.eat.ent.enhanced t.e ant.ox.dant.act.vit. of liver and serum by increasing GSH,SOD,t.AOC,GSH-Px.and reducing MDA,and downregulat.d t.e ex.ression of genes relat.d t. lipid synt.esis(FAS,Lx.α,GPAt.,PPARγand Ch REBP1)and inflammat.ry cyt.kines(t.F-α,IL-6,t.R4 and NF-κB)in t.e *** profiling analysis revealed t.at.GBE t.eat.ent.reshaped t.e HFD-pert.rbed gut.microbiot.,part.cularly elevat.d t.e abundance of Megasphaera in t.e ***,t.rget.d met.bolomic analysis of SCFAs revealed t.at.GBE t.eat.ent.significant.y promot.d t.e product.on of t.t.l SCFAs,acet.t. and propionat.,which were posit.vely correlat.d wit. t.e GBE-enriched gut.***,we confirmed t.at.t.e GBE-alt.red gut.microbiot. was sufficient.t. alleviat. FLHS by fecal microbiot. t.ansplant.t.on(FMt..Conclusions We provided evidence t.at.GBE alleviat.d FLHS in HFD-induced laying hens t.rough reshaping t.e composit.on of gut.*** findings shed light.on mechanism underlying t.e ant.-FLHS efficacy of GBE and lay foundat.ons for fut.re use of GBE as addit.ve t. prevent.and cont.ol FLHS in laying hen indust.y.

关键词： Ant.ox.dat.on Fecal microbiot. t.ansplant.t.on FLHS Ginkgo biloba ex.ract Inflammat.on Megasphaera

Biomass valorizat.on via elect.ocat.lyt.c carbon–carbon bond cleavage

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Journal of Energy Chemist.y 2024年第4期91卷 542-578页

作者： Keping Wang Zhenyan Guo Min Zhou Ying Yang Lanyun Li hu Li Rafael Luque Shunmugavel Saravanamurugan Nat.onal Key Laborat.ry of Green Pest.cide Key Laboratory of Green Pesticide&Agricultural BioengineeringMinistry of EducationState-Local Joint Laboratory for Comprehensive Utilization of BiomassCenter for R&D of Fine ChemicalsGuizhou UniversityGuiyang 550025GuizhouChina Depart.ment. de Quimica Organica Universidad de CordobaCampus de RabanalesEdificio Marie Curie(C-3)Ctra Nnal IVKm.396E-14014 CordobaSpain Laborat.ry of Bioproduct.Chemist.y Centre of Innovative and Applied Bioprocessing(CIAB)Mohali 140306PunjabIndia

Renewable elect.ocat.lyt.c upgrading of biomass feedst.cks int. valuable chemicals is one of t.e promising st.at.gies t. relieve t.e pressure of t.adit.onal energy-based *** elect.ocat.lyt.c carbon–carbon bond cleavage of high select.vit.,various funct.onalized molecules,such as organic acids,amides,est.rs,and nit.iles,have great.pot.nt.al t. be accessed from ***,it.has merely received finit. concerns and int.rest. in t.e *** review first.showcases t.e research progress on t.e elect.ocat.lyt.c conversion of lipid/sugar-and lignin-derived molecules(e.g.,glycerol,mesoeryt.rit.l,x.lose,glucose,1-phenylet.anol,and cyclohex.nol)int. organic acids via specific carbon–carbon bond scission processes,wit. focus on disclosing react.on mechanisms,recognizing act.al act.ve species,and collect.ng feasible modificat.on *** t.e guidance of furt.er ex.ensive st.dies on biomass valorizat.on,organic t.ansformat.ons via a variet. of react.ons,including decarbox.lat.on,ring-opening,rearrangement.reduct.ve hydrogenat.on,and carbox.lat.on,are also disclosed for t.e const.uct.on of similar carbon skelet.ns/*** remaining challenges,prospect.ve applicat.ons,and fut.re object.ves in t.rms of biomass conversion are also *** review is ex.ect.d t. provide references t. develop renewed elect.ocat.lyt.c carbon–carbon bond cleavage t.ansformat.on pat.s/st.at.gies for biomass upgrading.

关键词： Elect.ocat.lysis Biomass conversion Carbon-carbon bond cleavage Organic acids

Associat.on of daily sit.ing t.me and leisure-t.me physical act.vit. wit. body fat.among ***

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Journal of Sport.and Healt. Science 2024年第2期13卷 195-203页

作者： Jingwen Liao Min hu Kellie Imm Clift.n J.Holmes Jie Zhu Chao Cao Lin Yang Guangdong Provincial Key Laborat.ry of Physical Act.vit. and Healt. Promot.on Guangzhou Sport UniversityGuangzhou 510500China Scient.fic Research Cent.r Guangzhou Sport UniversityGuangzhou 510500China Division of Epidemiology&Genet.cs Department of Population and Public Health SciencesKeck School of Medicine of the University of Southern CaliforniaLos AngelesCA 90033USA Program in Physical t.erapy Washington University School of MedicineSt.LouisMO 63110USA Cent.r for human Nut.it.on Washington University School of MedicineSt.LouisMO 63110USA Depart.ent.of Plast.c and Reconst.uct.ve Surgery Shanghai East HospitalTongji UniversityShanghai 200070China Depart.ent.of Cancer Epidemiology and Prevent.on Research Alberta Health ServicesCalgary T2S 3C3Canada Depart.ent.of Oncology and Communit. Healt. Sciences University of CalgaryCalgary T2N 1N4Canada

Background:Prolonged sit.ing and reduced physical act.vit. lead t. low energy ***,lit.le is known about.t.e joint.impact.of daily sit.ing t.me and physical act.vit. on body fat.*** invest.gat.d t.e independent.and joint.associat.ons of daily sit.ing t.me and physical act.vit. wit. body fat.among ***:t.is was a cross-sect.onal analysis of *** represent.t.ve dat. from t.e Nat.onal Healt. and Nut.it.on Ex.minat.on Survey2011-2018 among adult. aged 20 years or *** sit.ing t.me and leisure-t.me physical act.vit.(Lt.A)were self-report.d using t.e Global Physical Act.vit. *** fat.t.t.l and t.unk fat.percent.ge)was det.rmined via dual x.ray ***:Among 10,808 adult.,about.54.6%spent.6 h/day or more sit.ing;more t.an one-half report.d no Lt.A(inact.ve)or less t.an 150 min/week Lt.A(insufficient.y act.ve)wit. only 43.3%report.d 150 min/week or more Lt.A(act.ve)in t.e past.*** fully adjust.ng for sociodemographic dat.,lifest.le behaviors,and chronic condit.ons,prolonged sit.ing t.me and low levels of Lt.A were associat.d wit. higher t.t.l and t.unk fat.percent.ges in bot. *** st.at.fying by Lt.A,t.e associat.on bet.een daily sit.ing t.me and body fat.appeared t. be st.onger in t.ose who were inact.ve/insuufficient.y *** t.e joint.analyses,inact.ve/insuufficient.y act.ve adult. who report.d sit.ing more t.an 8 h/day had t.e highest.t.t.l(female:3.99%(95%confidence int.rval(95%CI):3.09%-4.88%);male:3.79%(95%CI:2.75%-4.82%))and t.unk body fat.percent.ges(female:4.21%(95%CI:3.09%-5.32%);male:4.07%(95%CI:2.95%-5.19%))when compared wit. t.ose who were act.ve and sit.ing less t.an 4 h/***:Prolonged daily sit.ing t.me was associat.d wit. increased body fat.among *** higher body fat.associat.d wit. 6 h/day sit.ing may not.be offset.by achieving recommended levels of physical act.vit..

关键词： Adult. Body fat.dist.ibut.on Physical act.vit. Sit.ing t.me