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Journ.l of En.rgy Chemistry 2024年第4期91卷 27-35页

作者： Yon.hai Fen. Min.yu.Min.ia Men. Lei Liu Dewei Rao In.titute for Advan.ed Materials School of Materials Science and EngineeringJiangsu UniversityZhenjiang 212013JiangsuChina School of Chemistry an. Chemical En.in.erin. Jiangsu UniversityZhenjiang 212013JiangsuChina

In.the selective oxidation.of biomass-based 1,2-propan.diol(PDO)with oxygen.as the termin.l oxidan.,it is challen.in. to improve the lactic acid(LA)selectivity for n.n.oble metal n.n.particles(n.s)due to their limited oxygen.reduction.rate an. easy C-C *** the high econ.mic feasibility of n.n.oble metals,i.e.,Cu,in.this work,copper an. n.trogen.codoped porous carbon.n.n.sheets en.apsulatin. ultrafin. Cu n.n.particles(Cu@Cu-n.C)were developed to realize highly selective of PDO oxidation.to *** carbon.en.apsulated ultrasmall Cu^(0)n.s in.Cu@Cu-n.C have high PDO dehydrogen.tion.activity while n.coordin.ted Cu(Cu-n.sites are respon.ible for the high oxygen.reduction.***,the performan.e of catalytic PDO con.ersion.to LA is optimized by a proposed pathway of PDO→hydroxylaceton.→lactaldehyde→***,the en.an.ed LA selectivity is 88.5%,an. the PDO con.ersion.is up to 75.1%in.an.O_(2)-pressurized reaction.system(1.0 MPa O_(2)),superior to other Cu-based catalysts,while in.a milder n.n.ressurized system(O_(2)flow rate of 100 mL min.1),a remarkable LA selectivity(94.2%)is obtain.d with 39.8%PDO con.ersion.2.2 times higher than.that of supported Au n.n.particles(1%Au/C).Moreover,carbon.en.apsulation.offers Cu@Cu-n.C with stron. leachin. resistan.e for better recyclin..

关键词： Selective oxidation Copper an. n.trogen.doped carbon 1,2-Propan.diol Ultrasmall Cu n.n.particles Lactic acid

CCM-FL:Covert commun.cation.mechan.sms for federated learn.n. in.crowd sen.in. IoT

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Digital Commun.cation. an. n.tworks 2024年第3期10卷 597-608页

作者： Hon.ruo Zhan. Yifei Zou Haofei Yin.Don.xiao yu.Xiuzhen.Chen. In.titute of In.elligen. Computin. School of Computer Science and TechnologyShandong UniversityQingdao266237China

The past decades have witn.ssed a wide application.of federated learn.n. in.crowd sen.in.,to han.le the n.merous data collected by the sen.ors an. provide the users with precise an. customized ***,how to protect the private in.ormation.of users in.federated learn.n. has become an.importan. research *** with the differen.ial privacy(DP)techn.que an. secure multiparty computation.SMC)strategy,the covert commun.cation.mechan.sm in.federated learn.n. is more efficien. an. en.rgy-savin. in.train.n. the ma-chin. learn.n. *** this paper,we study the covert commun.cation.problem for federated learn.n. in.crowd sen.in. In.ern.t-of-Thin.s *** from the previous works about covert commun.cation.in.federated learn.n.,most of which are con.idered in.a cen.ralized framework an. experimen.al-based,we firstly proposes a cen.ralized covert commun.cation.mechan.sm for federated learn.n. amon. n.learn.n. agen.s,the time complexity of which is O(log n.,approximatin. to the optimal ***,for the federated learn.n. without parameter server,which is a harder case,we show that solvin. such a problem is n.-hard an. prove the existen.e of a distributed covert commun.cation.mechan.sm with O(log logΔlog n.times,approximatin. to the optimal solution.Δis the maximum distan.e between.an. pair of learn.n. *** an.lysis an. n.-merical simulation. are presen.ed to show the performan.e of our covert commun.cation.*** hope that our covert commun.cation.work can.shed some light on.how to protect the privacy of federated learn.n. in.crowd sen.in. from the view of commun.cation..

关键词： Covert commun.cation. Federated learn.n. Crowd sen.in. SIn. model

n.n.isothermal kin.tics an. characteristics of calcium carbide n.tridation.reaction.with calcium-based additives

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Fron.iers of Chemical Scien.e an. En.in.erin. 2024年第4期18卷 49-61页

作者： Zhihan.Zhan. Men.xiao yu.Xiaoyu.Zhan. Jin.i Zhan. You Han School of Chemical En.in.erin. an. Techn.logy Tianjin UniversityTianjin 300350China Haihe Laboratory of Sustain.ble Chemical Tran.formation. Tianjin 300192China

The n.tridation.reaction.of calcium carbide an. n.(2) at high temperatures is the key step in.the production.of ***,the challen.es faced by this process,such as high en.rgy con.umption.an. poor product quality,are main.y attributed to the lack of profoun. un.erstan.in. of the *** study aimed to improve this process by in.estigatin. the n.n.isothermal kin.tics an. reaction.characteristics of calcium carbide n.tridation.reaction.at differen. heatin. rates(10,15,20,an. 30℃·min.(-1))usin. thermogravimetric *** kin.tic equation.for the n.tridation.reaction.of additive-free calcium carbide sample was obtain.d by combin.n. model-free methods an. model-fittin. *** effect of differen. calcium-based additives(CaCl_(2) an. CaF_(2))on.the reaction.was also *** results showed that the calcium-based additives sign.fican.ly reduced reaction.temperature an. activation.en.rgy E_(a) by about 40% with CaF_(2) an. by 55%-60% with CaCl_(2).The reaction.model f(α)was also chan.ed from con.ractin. volume(R3)to 3-D diffusion.models with D3 for CaCl_(2) an. D4 for CaF_(2).This study provides valuable in.ormation.on.the mechan.sm an. kin.tics of calcium carbide n.tridation.reaction.an. n.w in.ights in.o the improvemen. of the lime-n.trogen.process usin. calcium-based additives.

关键词： lime-n.trogen calcium carbide calciumbased additive thermogravimetric an.lysis n.n.sothermal kin.tics

Promoted surface charge den.ity from in.erlayer Zn.n.(4) con.iguration.in.carbon.n.tride for en.an.ed CO_(2) photoreduction

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n.n. Research 2024年第4期17卷 2400-2409页

作者： Xian.in.Shi yu.Huan. Gan.qian. Zhu Wei Pen. Meijuan.Chen State Key Laboratory of Loess an. Quatern.ry Geology(SKLLQG) Key Laboratory of Aerosol Chemistry and PhysicsInstitute of Earth EnvironmentChinese Academy of SciencesXi’an 710061China Cen.er of Excellen.e in.Quatern.ry Scien.e an. Global Chan.e Chinese Academy of SciencesXi’an 710061China Un.versity of Chin.se Academy of Scien.es Beijing 100049China School of Physics an. In.ormation.Techn.logy Shaanxi Normal UniversityXi’an 710062China School of Human.Settlemen.s an. Civil En.in.erin. Xi’an Jiaotong UniversityXi’an 710049China

The solar-driven.reduction.of CO_(2) in.o valuable products is a promisin. method to alleviate global en.iron.en.al problems an. en.rgy ***,the low surface charge den.ity limits the photocatalytic con.ersion.performan.e of CO_(2).Herein.a polymeric carbon.n.tride(PCn.photocatalyst with Zn.sin.le atoms(Zn./Cn.was design.d an. syn.hesized for CO_(2) *** results of the CO_(2) photoreduction.studies show that the CO an. CH_(4) yields of Zn./Cn.in.reased fivefold,reachin. 76.9 an. 22.9μmol/(g·h),respectively,in.con.rast to the un.odified ***+plasma-etched X-ray photoelectron.spectroscopy an. syn.hrotron.radiation.based X-ray absorption.fin. structure results reveal that Zn.sin.le atom is main.y presen. in.the in.erlayer space of PCn.in.the Zn.n.(4) *** characterization. in.icate that the in.erlayer Zn.n.(4) con.iguration.can.amplify light absorption.an. establish an.in.erlayer charge tran.fer ***-assisted Kelvin.probe force microscopy con.irms that more photogen.rated electron. are delivered to the catalyst surface through in.erlayer Zn.n.(4) con.iguration.which in.reases its surface charge ***,in.situ in.rared spectroscopy combin.d with den.ity fun.tion.l theory calculation.reveals that promoted surface charge den.ity accelerates key in.ermediates(*COOH)con.ersion.thus achievin. efficien. CO_(2) *** work elucidates the role of in.ern.l sin.le atoms in.catalytic surface reaction.,which provides importan. implication. for the design.of sin.le-atom catalysts.

关键词： sin.le-atom catalysts photocatalytic CO_(2)reduction in.erlayer modification charge tran.fer dyn.mics surface charge den.ity

Decen.ralized Primary Frequen.y Regulation.for Hybrid Multi-termin.l Direct Curren. Power Systems Con.iderin. Multi-source En.an.emen.

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Journ.l of Modern.Power Systems an. Clean.En.rgy 2024年第3期12卷 958-970页

作者： Jialian. Wu Zhen.Wan. Ruixu Liu yu.Shan.Chen.uan.Wan. the College of Electrical En.in.erin. Zhejiang UniversityHangzhou 310027China the Econ.mic Research In.titute of State Grid Zhejian. Electric Power Co. Ltd.Hangzhou 310016China

Hybrid multi-termin.l direct curren.(MTDC)tran.mission.techn.logy has been.a research focus,an. primary frequen.y regulation.FR)improvemen. in.the receivin.-en. system is on. of the problems to be *** paper presen.s a decen.ralized primary FR scheme for hybrid MTDC power systems con.iderin. multi-source en.an.emen. to help suppress frequen.y disturban.e in.the receivin.-en. *** the con.erters on.y n.ed local frequen.y or DC voltage sign.l in.ut to respon. to system disturban.e without commun.cation.or a con.rol cen.er,i.e.,a decen.ralized con.rol *** proposed scheme can.activate appropriate power sources to assist in.FR in.various system disturban.e severities with fin.-design.d thresholds,en.urin. sufficien. utilization.of each power *** better balan.e FR performan.e an. FR resource participation.an.evaluation.in.ex is proposed an. the parameter optimization.problem is further ***,the validity of the proposed scheme is verified by simulation. in.MATLAB/Simulin..

关键词： Decen.ralized con.rol scheme primary frequen.y regulation.FR) rate of chan.e of frequen.y(ROCOF) system frequen.y disturban.e

In.ight in.o the adsorption.behavior an. mechan.sm of trace impurities from H_(2)O_(2) solution.on.fun.tion.lized zircon.a by tun.n. the structure of amin. groups

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Fron.iers of Chemical Scien.e an. En.in.erin. 2024年第5期18卷 83-94页

作者： yu.Men. Yiton. Wan. Guozhu Li Guozhu Liu Li Wan. Key Laboratory for Green.Chemical Techn.logy of Min.stry Education School of Chemical Engineering and TechnologyTianjin UniversityTianjin 300072China Haihe Laboratory of Sustain.ble Chemical Tran.formation. Tianjin 300192China

Primary,secon.ary an. tertiary amin.-fun.tion.lized zircon.a(ZrO_(2)-n._(2),ZrO_(2)-n. an. ZrO_(2)-n.was syn.hesized by the postgraftin. method for the adsorption.removal of typical metallic ion.,phosphate an. total oxidizable carbon.from a real H_(2)O_(2) ***_(2)-n._(2),ZrO_(2)-n. an. ZrO_(2)-n.exhibited similar pore sizes an. sequen.ially in.reased zeta *** adsorption.results of sin.le an. bin.ry simulated solution. showed that the removal efficien.y in.reased in.the order of Fe^(3+)>Al^(3+)>Ca^(2+)>n.^(+).There is competitive adsorption.between.metallic ion.,an. Fe^(3+) has an.advan.age over the other metals,with a removal efficien.y of 90.7%.The coexistin. phosphate could promote the adsorption.of metallic ion.,while total oxidizable carbon.had n. effect on.*** adsorption.results of the real H_(2)O_(2)solution.showed that ZrO_(2)-n._(2) exhibited the best adsorption.affin.ty for metallic ion.,as did phosphate an. total oxidizable carbon.with a total adsorption.capacity of 120.9 mg·g_(-1).Den.ity fun.tion.l theory calculation. revealed that the adsorption.process of metallic ion. in.olves electron.tran.fer from n.atoms to metals an. the formation.of n.metal bon.s.

关键词： adsorption metallic ion phosphate total oxidizable carbon zircon.a H_(2)O_(2)

A robust viscoelastic surfactan. toleratin. 20% HCl up to 150℃ for oil well stimulation

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Petroleum Scien.e 2024年第3期21卷 1865-1874页

作者： Ji Wan. n.n. Qi Hon.-Yao Yin.yu.Jun.Fen. Polymer Research In.titute State Key Laboratory of Polymer Materials EngineeringSichuan UniversityChengdu610065SichuanPR.China Tian.u Yon.xin. Laboratory New Theory and Technology of CO_(2) Capture Research CenterChengdu610065SichuanPR China School of Petroleum En.in.erin. China University of Petroleum(East China)Qingdao266580ShandongPR China

Viscoelastic surfactan.s(VES)are often.used as viscous diverters in.acidizin. stimulation.to prolon. the acid con.umption.time an. maximize zon.l coverage of the acid for improvin. well ***,the ceilin. temperature of commercial VES can.ot exceed 120℃in.practical use because of the poor thermal stability an. fragile molecular structure,hin.erin. their implemen.ation.in.hightemperature oil reservoirs,i.e.,≥150℃.Here we syn.hesized a n.vel C22-tailed diamin.,n.erucamin.propyl-n.n.dimethylamin.(EDPA),an. examin.d comparatively its rheological behavior,assemblies morphology an. molecular stability in.20 wt%HCl with a commercial VES,erucyl dimethyl amidopropyl betain.(EDAB).The feasibility of EDPA for acidizin. stimulation.was assessed by acid etchin. of carbon.te rock with its HCl solution.at 150℃.Rheological results showed that the 2.5 wt%EDPA—20 wt%HCl solution.main.ain. stable viscosity of 90 m Pa s at 150℃for 60 min.while that of 2.0 wt%EDAB HCl solution.is just 1 m Pa s un.er iden.ical con.ition..1H n.R spectra an. cryo-TEM observation. revealed that the chemical structure an. self-assembled architectures of EDPA remain.d in.act in.such con.ext,but the EDAB suffered from degradation.due to the hydrolysis of the amide group,accoun.in. for the poor heat-resistan.e an. *** reaction.rate of 2.5 wt%EDPA HCl solution.with carbon.te rock was on. order of magn.tude lower than.that of 20 wt%HCl solution.at 150℃,un.erpin.in. the poten.ial of EDPA to be used in.the high-temperature reservoirs *** work improved the thermal toleran.e of VES in.highly con.en.rated HCl solution.pavin. a feasible way for the acidization.of high-temperature reservoir en.iron.en.s(~150℃).

关键词： Viscoelastic surfactan.s Thermal stability Self-divertin. acid Wormlike micelles Acidizin. stimulation

Developin. risk models an. subtypes of autophagy-associated Ln.Rn.s for en.an.ed progn.stic prediction.an. precision.in.therapeutic approaches for liver can.er patien.s

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On.ology Research 2024年第4期32卷 703-716页

作者： LU ZHAn. JIn.UO CHU yu.HAn.yu Departmen. of Gen.ral Practice The First Affiliated Hospital of Ningbo UniversityNingboChina

Backgroun.:Limited research has been.con.ucted on.the in.luen.e of autophagy-associated lon. n.n.codin. Rn.s(ARLn.Rn.s)on.the progn.sis of hepatocellular carcin.ma(HCC).Methods:We an.lyzed 371 HCC samples from TCGA,iden.ifyin. expression.n.tworks of ARLn.Rn.s usin. autophagy-related *** for progn.stically relevan. ARLn.Rn.s in.olved un.variate Cox regression.Lasso regression.an. multivariate Cox regression.A n.mogram was further employed to assess the reliability of Riskscore,calculated from the sign.tures of screen.d ARLn.Rn.s,in.predictin. ***,we compared drug sen.itivities in.patien. groups with differin. risk levels an. in.estigated poten.ial biological pathways through en.ichmen. an.lysis,usin. con.en.us clusterin. to iden.ify subgroups related to ***:The screen.n. process iden.ified 27 ARLn.Rn.s,with 13 bein. associated with HCC ***,a set of sign.tures comprisin. 8 ARLn.Rn.s was successfully con.tructed as in.epen.en. progn.stic factors for *** in.the high-risk group showed very poor progn.ses in.most clin.cal *** Riskscore was closely related to immun. cell scores,such as macrophages,an. the DEGs between.differen. groups were implicated in.metabolism,cell cycle,an. mitotic ***,high-risk group patien.s demon.trated a sign.fican.ly lower IC50 for Paclitaxel,suggestin. that Paclitaxel could be an.ideal treatmen. for those at elevated risk for *** further iden.ified C2 as the Paclitaxel subtype,where patien.s exhibited higher Riskscores,reduced survival rates,an. more severe clin.cal ***:The 8 sign.tures based on.ARLn.Rn.s presen. n.vel targets for progn.stic prediction.in.*** drug can.idate Paclitaxel may effectively treat HCC by impactin. ARLn.Rn.s *** the iden.ification.of ARLn.Rn.srelated isoforms,these results provide valuable in.ights for clin.cal exploration.of autophagy mechan.sms in.HCC pathogen.sis an. offer poten.ial av

关键词： Autophagy Hepatocellular carcin.ma(HCC) Progn.sis Precision.medicin. Paclitaxel

Developmen. of a scin.illatin.-fiber-based beam mon.tor for the coheren. muon.to-electron.tran.ition.experimen.

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n.clear Scien.e an. Techn.ques 2024年第4期35卷 156-164页

作者： yu.Xu yu.-Son. n.n. Zhi-Zhen.Qin.Yao Ten. Chan.-Qin. Fen. Jian.Tan. yu.Chen.Yoshin.ri Fukao Satoshi Mihara Kou Oishi School of Physics Sun Yat-sen UniversityGuangzhou 510275China State Key Laboratory of Particle Detection.an. Electron.cs University of Science and Technology of ChinaHefei 230026China Departmen. of Modern.Physics University of Science and Technology of ChinaHefei 230026China High En.rgy Accelerator Research Organ.zation.KEK) Ibaraki 305‑0801Japan Departmen. of Physics Imperial College LondonLondon SW72AZUK

The coheren. muon.to-electron.tran.ition.COMET)experimen. is a leadin. experimen. for the coheren. con.ersion.of μ^(-)n.e^(-)n.usin. a high-in.en.ity pulsed muon.beamlin.,produced usin. in.ovative slow-extraction.***,it is critical to measure the muon.beam *** set up a muon.beam mon.tor(MBM),where scin.illatin. fibers woven.in.a cross shape were coupled to silicon.photomultipliers to measure the spatial profile an. timin. structure of the extracted muon.beam for the *** MBM detector was tested successfully with a proton.beamlin. at the Chin. Spallation.n.utron.Source an. took data with good performan.e in.the commission.n. *** developmen. of the MBM,in.ludin. its mechan.cal structure,electron.c readout,an. beam measuremen. results,are discussed.

关键词： Beam in.trumen.ation Profile mon.tor Scin.illatin. fiber Silicon.photomultipliers

Epitran.criptomic Regulation.of n.DA Receptors Rears its Ugly Head in.Chemotherapy-In.uced n.uropathic Pain

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n.uroscien.e Bulletin 2024年第8期40卷 1209-1211页

作者： Win. Lam yu.Gerald W.Zampon. Departmen. of Clin.cal n.uroscien.es Hotchkiss Brain InstituteAlberta Children's Hospital Research InstituteUniversity of CalgaryCalgaryAB T2N 4N1Canada

n.mber of differen. can.er chemotherapy agen.s such as cisplatin.oxaliplatin.an. paclitaxel can.lead to n.rve damage,thereby givin. rise to n.uropathic pain.states that presen. with mechan.cal an. cold allodyn.a[1].Although these pain.con.ition. often.resolve after completion.of the chemotherapy,a sign.fican. portion.of patien.s exhibit lon.lastin. pain.that can.persist lon.er than.12 mon.hs with a n.gative impact on.the quality of life of affected in.ividuals[1].

关键词： chemotherapy pain damage