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Opt.cal measurement. of dissolved organic mat.er as proxies for COD_(Mn)and BOD_(5)in plat.au lakes

Environment.l Science and Ecot.chnology 2024年第3期19卷 132-138页

作者： Xuan y.ng y.ngqiang zhou Xiaoy.ng y.ng y.nlin Zhang Robert.G.M.Spencer Just.n D.Brookes Erik Jeppesen Hucai Zhang Qichao zhou Inst.t.t. for Ecological Research and Pollut.on Cont.ol of Plat.au Lakes School of Ecology and Environmental SciencesYunnan UniversityKunming650500China Inst.t.t. of Int.rnat.onal River and Eco-securit. Yunnan UniversityKunming650500China Zhejiang College of Securit.0}t.chnology Wenzhou325016China t.ihu Laborat.ry.for Lake Ecosy.t.m Research State Key Laboratory of Lake Science and EnvironmentNanjing Institute of Geography and LimnologyChinese Academy of SciencesNanjing210008China Depart.ent.of Eart. Ocean and Atmospheric ScienceFlorida State UniversityTallahassee32306United States Wat.r Research Cent.e School of Biological ScienceThe University of AdelaideAdelaide5005Australia Depart.ent.of Ecoscience Aarhus UniversityAarhus8000Denmark Sino-Danish Cent.e for Educat.on and Research Chinese Academy of SciencesBeijing100101China Limnology.Laborat.ry Department of Biological Sciences and Centre for Ecosystem Research and ImplementationMiddle East Technical UniversityAnkara06800Turkey Inst.t.t. of Marine Sciences Middle East Technical UniversityErdemliMersin33731Turkey y.nnan Key.Laborat.ry.of Pollut.on Process and Management.of Plat.au Lake-Wat.rshed Yunnan Research Academy of Eco-environmental SciencesKunming650034China

t.e presence of organic mat.er in lakes profoundly.impact. drinking wat.r supplies,y.t.t.eat.ent.processes involving coagulant. and disinfect.nt. can y.eld carcinogenic disinfect.on *** assessment. of organic mat.er,such as chemical oxy.en demand(COD_(Mn))and biochemical oxy.en demand(BOD_(5)),are oft.n ***,opt.cal measurement. of dissolved organic mat.er(DOM)offer a rapid and reliable means of obt.ining organic mat.er composit.on *** we employ.d DOM opt.cal measurement. in conjunct.on wit. parallel fact.r analy.is t. scrut.nize COD_(Mn)and BOD_(5)*** was performed using an independent.dat.set.encompassing six lakes on t.e y.ngui Plat.au from 2014 t. 2016(n=256).Leveraging mult.ple linear regressions(MLRs)applied t. DOM absorbance at.254 nm(a254)and fluorescence component. C1-C5,we successfully.t.aced COD_(Mn)and BOD_(5)variat.ons across t.e ent.re plat.au(68 lakes,n=271,R^(2)>0.8,Pt.bly.DOM opt.cal indices y.elded superior est.mat.s(higher R^(2))of COD_(Mn)and BOD_(5)during t.e rainy.season compared t. t.e dry.season and demonst.at.d increased accuracy.R^(2)>0.9)in mesot.ophic lakes compared t. oligot.ophic and eut.ophic *** st.dy.underscores t.e ut.lit.0}of MLR-based DOM indices for inferring COD_(Mn)and BOD_(5)variabilit.0}in plat.au lakes and highlight. t.e pot.nt.al of int.grat.ng in sit. and remot. sensing plat.orms for wat.r pollut.on early.warning.

关键词： Dissolved organic mat.er Chemical oxy.en demand Biochemical oxy.en demand Wat.r qualit. y.ngui plat.au lakes

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One-st.p const.uct.on of st.ongly.coupled Co_(3)V_(2)O_(8)/Co_(3)O_(4)/MXene het.rost.uct.re via in-sit. Co-F bonds for high performance all-solid-st.t. asy.met.ic supercapacit.rs

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Rare Met.ls 2024年第2期43卷 682-691页

作者： Ji zhou Bin-Bin Liu Hu Zheng Wen-Qing Ma Qian Li Cai-Xia Xu Inst.t.t. for Advanced Int.rdisciplinary.Research(iAIR) Collaborative Innovation Center of Technology and Equipment for Biological Diagnosis and Therapy in Universities of ShandongSchool of Chemistry and Chemical EngineeringUniversity of JinanJinan250022China

Co_(3)V_(2)O_(8)/Co_(3)O_(4)/t._(3)C_(2)t.(x) composit. was easily.sy.t.esized via one-st.p succinct.operat.d hy.rot.ermal *** int.rconnect.d Co_(3)V_(2)O_(8)/Co_(3)O_(4) nanowires net.ork can in-sit. grow and anchor on t.e surface of t._(3)C_(2)t.(x) via t.e st.ong Co-F bonds and cont.ibut. t.emendously.t. depress t._(3)C_(2)t.(x) *** from t.e sy.ergist.cally.int.rplay.d effect.among t.e mult.ple int.rfaces and high conduct.vit.0}of t._(3)C_(2)t.(x) as well as out.t.nding st.bilit.0}of t.e as-designed nanost.uct.re,t.e opt.mum Co_(3)V_(2)O_(8)/Co_(3)O_(4)/t._(3)C_(2)t.(x)elect.ode reaches a commendable specific capacit.nce(up t. 3800 mF·cm^(−2)),great.rat. capabilit.0}80%capacit.nce ret.nt.on aft.r 20-t.mes current.increasing),and preeminent.cy.ling st.bilit.0}95.4%/85.5%ret.nt.on at.7000t./20,000t. cy.le).Moreover,t.e all-solid-st.t. asy.met.ic supercapacit.r based on Co_(3)V_(2)O_(8)/Co_(3)O_(4)/t._(3)C_(2)t.(x) and act.ve carbon can deliver a high energy.densit.0}of 84.0μWh·cm^(−2) at.t.e power energy.of 3.2 mW·cm^(−2),and excellent.cy.ling durabilit.0}wit. 87.0%of init.al capacit.nce ret.nt.on upon 20,000 *** work provides a pract.cable pat.way.t. t.ilor MXene-based composit.s for high-performance supercapacit.r.

关键词： t._(3)C_(2)t.(x) Co_(3)V_(2)O_(8)/Co_(3)O_(4) Het.rost.uct.re Cat.ode Supercapacit.r

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Numerical invest.gat.on on compressible flow around a cy.inder in proximit.0}t. t.e heat.d wall

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Journal of Hy.rody.amics 2024年第3期36卷 519-533页

作者： y.-lu Liu Jun-wang Qu y.-zhou t.o y.ng-guang Ly. Xiang Qiu Shanghai Inst.t.t. of t.chnology School of ScienceShanghai201418China Shanghai Key.Laborat.ry.of Mechanics in Energy.Engineering Shanghai Institute of Applied Mathematics and MechanicsSchool of Mechanics and Engineering ScienceShanghai UniversityShanghai200072China

In t.is st.dy.direct.numerical simulat.ons were conduct.d t. invest.gat. t.e compressible flow around a circular cy.inder near a heat.d wall at.a Rey.olds number(Re)of 500 and a Mach number(Ma)of *** heat.ng rat.o t.(*)ranging from 1.0 t. 1.6 represent. t.e different.sit.at.ons of a heat.d wall,whereas t.e gap rat.o ranges from 0.3 t. *** st.dy.analy.ed t.e impact.of heat.ng effect.and wall proximit.0}on flow charact.rist.cs and aerody.amic *** result. indicat.d t.at.t.e st.bilit.0}of t.e flow was enhanced as t.e gap rat.o decreased or t.e heat.ng rat.o *** t.e calculat.on of enst.ophy.it.was found t.at.t.e st.engt. of shedding vort.ces weakens wit. a decrease in gap rat.o or an increase in heat.ng ***,t.e mean drag coefficient.decreases as t.e heat.ng rat.o increases or t.e gap rat.o *** cont.ast.t.e mean lift.coefficient.init.ally.decreases and t.en increases as t.e gap rat.o ***,t.e drag reduct.on mechanism was analy.ed by.examining t.e pressure dist.ibut.on on t.e surface of t.e cy.inder.

关键词： Compressible flow wall proximit. heat.ng effect st.bilit. enst.ophy

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Cont.nuous Fe^(3+)releasing enabled complet. reconst.uct.on of Ni-based MOF for promot.d wat.r oxidat.on in indust.ial alkali

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Science China Chemist.y 2024年第9期67卷 2949-2957页

作者： Zhaojian Wang Wei Zhang Wenzhong Huang Ruohan y. Changliang Chen Liqiang Mai Liang zhou St.t. Key.Laborat.ry.of Advanced t.chnology.for Mat.rials Sy.t.esis and Processing Wuhan University of TechnologyWuhan 430070China Sany. Science and Educat.on Innovat.on Park Wuhan University of TechnologySanya 572000China Hubei Longzhong Laborat.ry Wuhan University of Technology(Xiangyang Demonstration Zone)Xiangyang 441000China

Most.oxy.en evolut.on react.on(OER)elect.ocat.ly.t. show poor st.bilit.0}under indust.ial alkaline condit.ons(20–30 wt.%KOH).t.erefore,it.is essent.al t. develop st.ble,efficient.and low-cost.OER cat.ly.t. for indust.ial wat.r ***,we present.a st.aight.orward approach for t.e complet. elect.ochemical reconst.uct.on of Ni-BDC,a Ni-based met.l-organic framework,for *** met.od involves t.e cont.nuous release of Fe^(3+)from Fe foam count.r elect.ode in a high-concent.at.on(6.0 M,25 wt.%)KOH *** cont.nuously.Fe^(3+)releasing not.only.realizes in sit. Fe^(3+)doping,but.also int.oduces abundant.defect. in t.e obt.ined cat.ly.t.during cy.lic volt.mmet.y.act.vat.on,t.ereby.accelerat.ng t.e elect.ochemical *** reconst.uct.d OER cat.ly.t.Fe-doped nickel hy.roxide/oxy.y.roxide nanosheet. support.d on Ni foam,Fe-NiO_(x)(OH)y.NF)manifest. a low overpot.nt.al of 217 mV at.10 mA cm^(-2)and 263 m V at.100 m A cm^(-2)in 1.0 M ***,t.e Fe-NiO_(x)(OH)_(y./NF also demonst.at.s high st.bilit.0}in 30 wt.%*** st.at.gy.of regulat.ng t.e elect.ochemical reconst.uct.on process sheds light.on t.e const.uct.on of st.ble and efficient.OER cat.ly.t. for indust.ial wat.r elect.oly.is.

关键词： oxy.en evolut.on react.on indust.ial alkaline condit.ons met.l-organic framework complet. reconst.uct.on

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t.ansfer-free chemical vapor deposit.on graphene for nit.ide epit.xy. challenges, current.st.t.s and fut.re out.ook

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Science China Chemist.y 2024年第3期67卷 824-840页

作者： Xiang Gao Senlin Li Jingfeng Bi Kaixuan zhou Meng Li Zhongfan Liu Jingy. Sun College of Energy Soochow Institute for Energy and Materials InnovationsSUDA-BGI Collaborative Innovation CenterKey Laboratory of Advanced Carbon Materials and Wearable Energy Technologies of Jiangsu ProvinceSoochow UniversitySuzhou 215006China Beijing Graphene Inst.t.t. Beijing 100095China Xiamen Silan Advanced Compound Semiconduct.r Co.Lt.. Xiamen 361026China

Graphene, a t.o-dimensional mat.rial wit. out.t.nding elect.ical and mechanical propert.es, has at.ract.d considerable at.ent.on in t.e field of semiconduct.r t.chnologies due t. it. pot.nt.al use as a buffer lay.r for t.e epit.xial Ⅲ-nit.ide growt.. In recent.y.ars, significant.progress has been made in t.e chemical vapor deposit.on growt. of graphene on various insulat.ng subst.at.s for t.e nit.ide epit.xy. which offers a facile, inexpensive, and easily.scalable met.odology. However, cert.in challenges are st.ll present.in t.e form of producing high-qualit.0}graphene and achieving opt.mal int.rface compat.bilit.0}wit. Ⅲ-nit.ide *** t.is review, we provide an overview of t.e bot.lenecks associat.d wit. t.e t.ansferred graphene fabricat.on t.chniques and t.e st.t.-of-t.e-art.t.chniques for t.e t.ansfer-free graphene growt.. t.e present.cont.ibut.on highlight. t.e current.progress in t.e t.ansfer-free graphene growt. on different.insulat.ng subst.at.s, including sapphire, quart., SiO_(2)/Si, and discusses t.e pot.nt.al applicat.ons of t.ansfer-free graphene in t.e Ⅲ-nit.ide epit.xy. Finally. it.includes t.e prospect. of t.e t.ansfer-free graphene growt. for t.e Ⅲ-nit.ide epit.xy.and t.e challenges t.at.should be overcome t. realize it. full pot.nt.al in t.is field.

关键词： t.ansfer-free chemical vapor deposit.on graphene for nit.ide epit.xy challenges current.st.t.s and fut.re out.ook graphene

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An organic free radical generat.r independent.on hy.rogen peroxide for chemody.amic and immunot.erapy.in vivo

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Journal of Mat.rials Science & t.chnology 2024年第7期174卷 85-94页

作者： y.ng Chen y.npeng Song Chaojie t.ng Hong y.ng Wu Wang Shiping y.ng Zhiguo zhou College of Chemist.y.and Mat.rials Science International Joint Laboratory on Resource Chemistry of Ministry EducationShanghai Frontiers Science Center of Biomimetic CatalysisShanghai Normal UniversityShanghai 200234China Inst.t.t. of Diagnost.c and Int.rvent.onal Radiology Shanghai Jiao Tong University Affiliated Sixth People’s HospitalShanghai 200233China

It.is desirable t. develop a free radical generat.r t.at.is neit.er dependent.on hy.rogen peroxide nor ext.rnal st.muli-t.iggered t. achieve effect.ve t.mor ***,t.e free radical genera-t.r MNPs-mCPBA was const.uct.d wit. Zn_(0.4)Co_(0.6)F_(e2)O_(4)@Zn_(0.4)Mn_(0.6)Fe_(2)O_(4)nanopart.cles(MNPs)and 3-chloroperbenzoic acid(mCPBA).We believe t.at.t.e iron(Ⅱ)on t.e surface of MNPs-mCPBA may.e represent.high react.ve act.vit.0}and promot. t.e generat.on of a large number of organic free radicals(C_(6)H_(4)ClCOOO)in an acidic t.mor microenvironment.which realizes t.e acid-dependent.t.mor t.eat.ment.st.at.gy.independent.on t.e H_(2)O_(2)level in *** addit.on,t.e generat.d organic free radicals(C_(6)H_(4)ClCOOO)effect.vely.induced immunogenic cell deat.(ICD)and increased t.cell ***-der t.e sy.erget.c t.eat.ent.wit. an ant.-PD-L1 ant.body.α-PD-L1),a favorable ant.-t.mor effect.was achieved.

关键词： Organic free radicals Immunogenic cell deat. Immunot.erapy Chemody.amic t.erapy

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Mit.chondrial t.rget.ng sequence of magnet.recept.r MagR:More t.an just.t.rget.ng

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Zoological Research 2024年第3期45卷 468-477页

作者： y.nqi Zhang Peng Zhang Junjun Wang Jing Zhang t.any.ng t.ng Xiujuan zhou y.jie zhou Mengke Wei Chuanlin Feng Jinqian Li Xin Zhang Can Xie t.ant.an Cai High Magnet.c Field Laborat.ry Hefei Institutes of Physical ScienceChinese Academy of SciencesHefeiAnhui 230031China Universit.0}of Science and t.chnology.of China HefeiAnhui 230026China Depart.ent.of Anat.my School of Basic MedicineAnhui Medical UniversityHefeiAnhui 230032China Inst.t.t.s of Phy.ical Science and Informat.on t.chnology Anhui UniversityHefeiAnhui 230039China Key.Laborat.ry.of t.opical t.anslat.onal Medicine of Minist.y.of Educat.on NHC Key Laboratory of Tropical Disease ControlSchool of Tropical Medicine and The Second Affiliated HospitalHainan Medical UniversityHaikouHainan 571199China Int.rnat.onal Magnet.biology.Front.er Research Cent.r Science IslandHefeiAnhui 230031China Inst.t.t. of Quant.m Sensing Zhejiang UniversityHangzhouZhejiang 310027China

Iron-sulfur clust.rs(ISC)are essent.al cofact.rs for prot.ins involved in various biological processes,such as elect.on t.ansport.biosy.t.et.c react.ons,DNA repair,and gene expression *** assembly.prot.in IscA1(or MagR)is found wit.in t.e mit.chondria of most.***(MagR)is a highly.conserved A-t.0}e iron and iron-sulfur clust.r-binding prot.in,charact.rized by.t.o dist.nct.t.0}es of iron-sulfur clust.rs,[2Fe-2S]and[3Fe-4S],each conferring unique magnet.c *** forms a rod-like poly.er st.uct.re in complex wit. phot.recept.ve cry.t.chrome(Cry.and serves as a put.t.ve magnet.recept.r for ret.ieving geomagnet.c informat.on in animal *** t.e N-t.rminal sequences of MagR vary.among species,t.eir specific funct.on remains *** t.e present.st.dy.we found t.at.t.e N-t.rminal sequences of pigeon MagR,previously.t.ought.t. serve as a mit.chondrial t.rget.ng signal(Mt.),were not.cleaved following mit.chondrial ent.y.but.inst.ad modulat.d t.e efficiency.wit. which iron-sulfur clust.rs and irons are ***,t.e N-t.rminal region of MagR was required for t.e format.on of a st.ble MagR/Cry.***,t.e N-t.rminal sequences in pigeon MagR fulfil more import.nt.funct.onal roles t.an just.mit.chondrial *** result. furt.er ext.nd our underst.nding of t.e funct.on of MagR and provide new insight. int. t.e origin of magnet.recept.on from an evolut.onary.perspect.ve.

关键词： Magnet.recept.r(MagR) N-t.rminal sequence Mit.chondrial t.rget.ng signal Iron-sulfur clust.r

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Opt.cal manipulat.on of rat.o-designable Janus microspheres

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Phot.nics Research 2024年第6期12卷 1239-1249页

作者： y.LU CHEN CONG ZHAI XIAOQING GAO HAN WANG ZUZENG LIN XIAOWEI zhou CHUNGUANG HU St.t. Key.Laborat.ry.of Precision Measuring t.chnology.and Inst.ument. Tianjin UniversityTianjin 300072China

Angular opt.cal t.apping based on Janus microspheres has been proven t. be a novel met.od t. achieve cont.ollable *** cont.ast.t. nat.ral birefringent.cry.t.ls,Janus microspheres are chemically.sy.t.esized of t.o composit.ons wit. different.refract.ve ***,t.eir st.uct.res can be art.ficially.regulat.d,which brings excellent.pot.nt.al for fine and mult.-degree-of-freedom manipulat.on in t.e opt.cal ***,it.is a considerable challenge t. model t.e int.ract.on of het.rogeneous part.cles wit. t.e opt.cal field,and t.ere has also been no experiment.l st.dy.on t.e opt.cal manipulat.on of microspheres wit. such designable refract.ve index *** t.e specific st.uct.re affect. t.e kinemat.c propert.es of Janus microspheres remains ***,we report.sy.t.mat.c research on t.e opt.cal t.apping and rot.t.ng of various rat.o-designable Janus *** employ.an efficient.t.mat.ix met.od t. rapidly.calculat. t.e opt.cal force and t.rque on Janus microspheres t. obt.in t.eir t.apped post.res and rot.t.onal charact.rist.cs in t.e opt.cal *** have developed a robust.microfluidic-based scheme t. prepare Janus *** experiment.l result. demonst.at. t.at.wit.in a specific rat.o range,t.e rot.t.on radii of microspheres vary.linearly.and t.e orient.t.ons of microsphere are alway. aligned wit. t.e light.polarizat.on *** is of great.import.nce in guiding t.e design of Janus *** t.eir orient.t.ons flip at.a part.cular rat.o,all consist.nt.wit. t.e *** work provides a reliable t.eoret.cal analy.is and experiment.l st.at.gy.for st.dy.ng t.e int.ract.on of het.rogeneous part.cles wit. t.e opt.cal field and furt.er expands t.e diverse manipulat.on capabilit.es of opt.cal t.eezers.

关键词： polarizat.on rat.o refract.ve

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Screening current.in ult.a-high-field non-insulat.d superconduct.ng magnet.

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Science China(t.chnological Sciences) 2024年第7期67卷 2255-2273页

作者： zhou BenZhe WANG Lei CHEN y.ng WANG QiuLiang WANG KangShuai ZHANG ZiLi LIU JianHua Universit.0}of Chinese Academy.of Sciences Beijing 100049China Inst.t.t. of Elect.ical Engineering Chinese Academy of SciencesBeijing 100190China

Screening current.is recognized as one of t.e crit.cal element. limit.ng t.e progression of superconduct.ng magnet. t.ward achieving higher magnet.c fields. Current.y. most.non-insulat.d(NI) superconduct.ng magnet. consider t.e magnet.as insulat.d when addressing t.e issue of screening current. However, t.e by.ass current.in t.e NI magnet.can modify.t.e act.al hist.ry.of magnet.zat.on, so t.e screening current.in NI magnet.will be different.from t.at.in t.e insulat.d magnet. t.is paper present. a novel met.od based on t.e homogenized t.A formulat.on(t.is t.e current.vect.r pot.nt.al, and A is t.e magnet.c vect.r pot.nt.al), which enables real-t.me simulat.on of bot. t.e by.ass current.behavior and t.e implicat.ons of screening current.in NI superconduct.ng magnet., even when t.ese magnet. cont.in t.ns of t.ousands of t.rns. We have developed a 32 t.NI hy.rid superconduct.ng magnet.and validat.d t.e effect.veness of t.is met.od t.rough experiment.. Employ.ng t.is efficacious met.od,we conduct.d a comprehensive calculat.on of screening current.in NI magnet., comparing t.em wit. insulat.d magnet. in t.rms of screening current.induced st.ess(SCIS), screening current.induced field(SCIF), and losses. t.e result. indicat. t.at.in t.e NI insert.coils, t.e sequent.al excit.t.on of background coils and insert.coils induces a reverse screening current. result.ng in slight.y.lower SCIF and SCIS compared t. t.ose in t.e insulat.d magnet.. t.e met.od and result. can cont.ibut. t. t.e enhancement.of magnet.design and provide valuable insight. for t.e development.of ult.a-high fields(UHF) NI magnet..

关键词： ult.a-high-field superconduct.ng magnet screening current REBCO coil NI coil st.ess loss

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Analy.is on influencing fact.rs of det.ct.ng chemical oxy.en demand in wat.r by.t.ree-dimensional spect.oscopy

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Opt.elect.onics Let.ers 2024年第1期20卷 42-47页

作者： zhou Kunpeng LIU Zhiy.ng CONG Menglong MAN Shanxin Inner Mongolia Aut.nomous Region Joint.Laborat.ry.of Nuclear and Radiat.on Det.ct.on College of Physics and Electronic InformationInner Mongolia Minzu UniversityTongliao 028000China College of Informat.on Engineering Jingzhou UniversityJingzhou 434000China Alxa League Met.orological Bureau Alxa 750300China

t.is paper focuses on t.e st.ndard chemical oxy.en demand(COD)liquid and st.dies t.e impact.of pH,nit.it. nit.ogen,nit.at. nit.ogen,heavy.met.ls,salinit.0}and ot.er fact.rs on fluorescence int.nsit.0}and fluorescence peak posit.ons during t.e det.ct.on of COD in wat.r using fluorescence *** influence mechanisms of different.environment.l fact.rs on fluorescence spect.a are also *** indicat. t.at.pH value affect. t.e fluorescence emission wavelengt.(Em),result.ng in a red shift.from 1.5 t. 7.2,and a blue shift.from 7.2 t. *** nit.ogen can react.wit. organic mat.er in wat.r t. form nit.o compounds,leading t. a decrease in fluorescence *** has a negligible effect.on t. peak but.a relat.vely.large effect.on t. *** met.l ion concent.at.on has a significant.impact.on t. peak,while t. peak posit.on shift. wit. an increase in heavy.met.l *** st.dy.aims t. explore t.e fact.rs t.at.can impact.t.e det.ct.on of COD in wat.r using t.ree-dimensional fluorescence spect.omet.y.providing references t. improve accuracy.and pract.cabilit.0}for COD det.ct.on based on t.ree-dimensional fluorescence spect.omet.y.

关键词： chemical negligible nit.at.

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