检索结果-南通市图书馆

Navigating the Challenges of Emer.ing Contaminants to Pr.tect Human and Ecological Health

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Engineer.ng 2024年第6期37卷 1-2页

作者： Jiuhui Qu Michael r.Hoffmann Gang Yu School of Envir.nment Tsinghua UniversityBeijing 100084China Linde-r.binson Labor.tor.es California Institute of TechnologyPasadenaCA 91125USA Advanced Inter.isciplinar. Institute of Envir.nmental and Ecology Beijing Normal UniversityZhuhai 519000China

Emer.ing contaminants ar. defined as chemicals that ar. not cur.ently(or.have only r.cently been)r.gulated and about which ther. ar. concer.s r.gar.ing their.impact on human or.ecological *** contaminants ar. widely detected in air.water.soil,sediment,and biotic *** is against this backdr.p of ur.ency that we have cur.ted this special issue titled“Emer.ing Contaminants Contr.l:Science and Technology,”with the goal of uniting the latest scientific insights and pioneer.ng str.tegies to addr.ss this global *** special issue embar.s on a compr.hensive examination of the emer.ing contaminants dilemma,cover.ng aspects such as r.sk assessment,r.mediation technologies,envir.nmental sur.eying,and the br.ader.implications for.*** a collection of ar.icles,we pr.be deep into the cor. of this issue,showcasing studies that r.nge fr.m appr.ising envir.nmental r.sks to for.ing new methods for.tr.atment and scr.tinizing the occur.ence of contaminants acr.ss differ.nt envir.nmental settings.

关键词： Ecological sur.eying envir.nmental

Temper.tur.-dependent ther.al conductivity and fuel per.or.ance of UN-UO_(2) and UN-X-UO_(2)(X=Mo,W)composite nuclear.fuels by finite element modeling

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Jour.al of Mater.omics 2024年第4期10卷 937-946页

作者： Far.s Sweidan Diogo r.beir. Costa Huan Liu Pär.Olsson KTH r.yal Institute of Technology Nuclear EngineeringStockholm10691Sweden Westinghouse Electr.c Sweden AB Västerås72163Sweden

The temper.tur.-dependent effective ther.al conductivity of UN-X-UO_(2)(X=Mo,W)nuclear.fuel composite was *** the exper.mental design,the ther.al conductivity was calculated using Finite Element Modeling(FEM),and compar.d with analytical models for.10%,30%,50%,and 70%(in mass)uncoated/coated UN micr.spher.s in a UO2 *** FEM r.sults show an incr.ase in the fuel ther.al conductivity as the mass fr.ction of the UN micr.spher.s incr.ases fr.m 1.2 to 4.6 times the UO2 r.fer.nce at 2,000 *** r.sults fr.m analytical models agr.e with the ther.al conductivity estimated by *** r.sults also show that Mo and W coatings have similar.ther.al behavior.,and the coating thickness influences the ther.al conductivity of the *** higher.weight fr.ctions,the ther.al conductivity of the fuel composite at r.om temper.tur. is substantially influenced by the high ther.al conductivity coatings appr.aching that of ***,the ther.al conductivity fr.m FEM was used in the fuel ther.al per.or.ance evaluation dur.ng LWr.nor.al oper.tion to calculate the maximum center.ine *** r.sults show a significant decr.ase in the fuel maximum center.ine temper.tur. r.nging fr.m−94 K for.10% UN to−414 K for.70%(in mass)UN compar.d to UO2 under.the same oper.ting conditions.

关键词： Accident toler.nt fuel UN-X-UO_(2) Composite nuclear.fuel Ther.al conductivity Finite element modeling Ther.al per.or.ance

Managing type 2 diabetes:tar.eting a micr.bial enzyme as a novel tr.atment option

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Signal Tr.nsduction and Tar.eted Ther.py 2024年第1期9卷 3-5页

作者： Anikó Keller.Pintér.Tamás Kor.smár.s Tibor.Vellai Depar.ment of Biochemistr. Albert Szent-Györgyi Medical SchoolUniversity of SzegedSzeged6720Hungary Depar.ment of Metabolism Digestion and ReproductionImperial College LondonLondonW120NNUK Quadr.m Institute Bioscience Norwich Research ParkNorwichNR47UQUK Depar.ment of Genetics Eötvös Loránd University(ELTE)Budapest1117Hungary Hungar.an r.sear.h Networ. HUN-r.N-ELTE Genetics r.sear.h Gr.up Budapest1117Hungary

In a r.cent Science ar.icle,Wang and colleagues showed that the dipeptidyl peptidase 4(DPP4)enzyme pr.duced by the gut micr.biota can inter.er. with the effect of host glucagon-like peptide-1(GLP-1)involved in stimulating insulin secr.tion,and the specific inhibitor.of micr.bial DPP4(mDPP4),combined with clinical inhibitor. of host DPP4 isoenzymes,fur.her.pr.motes blood glucose homeostasis.1 These r.sults point out why cer.ain patients r.spond inadequately to an antidiabetic medication.

关键词： homeostasis stimulating clinical

Flat Band and η-Pair.ng States in a One-Dimensional Moir.Hubbar. Model

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Chinese Physics Letter. 2024年第4期41卷 69-76页

作者：王冉宋智 College of Physics and Mater.als Science Tianjin Normal UniversityTianjin 300387China School of Physics Nankai UniversityTianjin 300071China

A Moir.system is for.ed when two per.odic str.ctur.s have a slightly mismatched per.od,r.sulting in unusual str.ngly cor.elated states in the pr.sence of par.icle-par.icle *** per.odic str.ctur.s can ar.se fr.m the intr.nsic cr.stalline or.er.and per.odic exter.al *** investigate a one-dimensional Hubbar. model with per.odic on-site potential of per.od n_(0),which is commensur.te to the lattice *** lar.e n_(0),the exact solution demonstr.tes that ther. is a midgap flat band with zer. ener.y in the absence of Hubbar. *** Moir.unit cell contr.butes two zer. ener.y levels to the flat *** the pr.sence of Hubbar. inter.ction,the midgap physics is demonstr.ted to be well descr.bed by a unifor. Hubbar. chain in which the effective hopping and on-site inter.ction str.ngth can be contr.lled by the amplitude and per.od of the exter.al *** simulations ar. per.or.ed to demonstr.te the cor.elated behavior. in the finite-sized Moir. Hubbar. system,including the existence of an η-pair.ng state and bound pair.*** finding pr.vides a method to enhance the cor.elated effect by a spatially per.odic exter.al field.

关键词： oscillation inter.ction field

Inventor. and Distr.bution of Benthic Macr.inver.ebr.tes, Indicator. of Water.Quality in Four.For.sted Water.our.es in Centr. r.gion of Camer.on

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Open Jour.al of Ecology 2024年第4期14卷 381-394页

作者： Er.c B. Bir.m à Ngon Sylvie B. Chinche Josephine Ndjama Jean Dzavi Donald L. Nyame Mbia Mathias Nwaha Ser.e r. Gwos Nhiomock Blaise r. Mboye Ivone L. Tchaouapi Ulr.ch Tchouta Chamber.ine Ngalamou Samuel Foto Menbohan r.sear.h Centr. for.Water.and Climate Change Institute of Geological and Mining Research Yaound&#233 Cameroon Depar.ment of Fisher.es and Aquatic r.sour.es Management Buea Cameroon Labor.tor. of Hydr.biology and Envir.nment University of Yaound&#233 Yaound&#233 Cameroon Labor.tor. of Hydr.biology and Ichthyology Libreville Gabon

The inventor. of benthic macr.inver.ebr.te species was car.ied out in some str.ams of the Mefou catchment ar.a, fr.m August 2021 to August 2022, in or.er.to deter.ine the biological gr.ups that make up the population and char.cter.se these envir.nments. The dataset acquir.d dur.ng this study made it possible to update the existing database and contr.bute to the knowledge of the biological gr.ups associated in these envir.nments, and to pr.vide additional infor.ation on the existing ones in r.lation to bioindication. Over.ll 80 families wer. identified and, on the basis of fr.quencies of occur.ence gr.ater.than 75%, 22 families wer. r.tained as potential biological indicator.. The r.mar.able diver.ity of insects and the low abundance of Dipter. r.flect the low degr.dation of envir.nments and the good quality of water. The high diver.ity indices obtained r.flect the maintenance of the favour.ble ecological conditions that favour. the development of a balanced and, integr.ted biological community capable of adapting to changes.

关键词： Benthic Macr.inver.ebr.tes Bioindicator. Biological Quality For.st Water.our.e Camer.on

A concise r.view on sur.ace and str.ctur.l modification of por.us zeolite scaffold for.enhanced hydr.gen stor.ge

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Chinese Jour.al of Chemical Engineer.ng 2024年第6期70卷 33-53页

作者： B.A.Abdulkadir.r.S.r.Mohd Zaki A.T.Abd Wahab S.N.Miskan Anh-Tam Nguyen Dai-Viet N.Vo H.D.Setiabudi Centr. for.r.sear.h in Advanced Fluid&Pr.cesses Universiti Malaysia Pahang Al-Sultan AbdullahLebuh Persiaran Tun Khalil YaakobGambangPahang 26300Malaysia Faculty of Chemical&Pr.cess Engineer.ng Technology Universiti Malaysia Pahang Al-Sultan AbdullahLebuh Persiaran Tun Khalil YaakobGambangPahang 26300Malaysia Center.of Excellence for.Gr.en Ener.y and Envir.nmental Nanomater.als(CE@Gr.EN) Nguyen Tat Thanh University300A Nguyen Tat ThanhDistrict 4Ho Chi Minh City 755414Viet Nam

Investigating zeolites as hydr.gen stor.ge scaffolds is imper.tive due to their.por.us natur. and favor.ble physicochemical ***,the stor.ge capacity of the unmodified zeolites has been r.ther.unsatisfactor.(0.224%-1.082%(mass))compar.d to its modified ***,the contempor.r. focus on enhancing hydr.gen stor.ge capacities has led to significant attention towar.s the utilization of modified zeolites,with studies explor.ng sur.ace modifications thr.ugh physical and chemical tr.atments,as well as the integr.tion of var.ous active *** enhanced hydr.gen stor.ge pr.per.ies of zeolites ar. attr.buted to the pr.sence of aluminosilicates fr.m alkaline and alkaline-ear.h metals,r.sulting in incr.ased stor.ge capacity thr.ugh inter.ctions with the char.e density of these ***,ther. is a gr.at demand to cr.tically r.view their.r.le such as well-defined topology,por. str.ctur.,good ther.al stability,and tunable hydr.philicity in enhanced hydr.gen *** ar.icle aimed to cr.tically r.view the r.cent r.sear.h findings based on modified zeolite per.or.ance for.enhanced hydr.gen *** of the factor. affecting the hydr.gen stor.ge capacities of zeolites that can affect the r.te of r.action and the stability of the adsor.ent,like pr.ssur.,str.ctur.,and mor.hology wer. studied,and ***,futur. per.pectives,r.commendations,and dir.ctions for.modified zeolites wer. discussed.

关键词： Zeolites Hydr.gen stor.ge Sur.ace modification Adsor.tion Active metal

Psychosocial inter.entions for.infer.ile couples:A scoping r.view

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Asian pacific Jour.al of r.pr.duction 2024年第3期13卷 97-106页

作者： Sr.emol Sunil Anish K.r. r.jagir. College of Social Sciences KalamasseryKeralaIndia

Objective:To br.ng out cur.ent evidence r.gar.ing psycho-social inter.entions for.infer.ility car.,and identify the best pr.ctices in clinical ***:An in-depth liter.tur. r.view on infer.ility car. inter.ention was conducted using data fr.m multiple databases:PubMed,EMBASE,Google Scholar.and *** r.levant ar.icles selected wer. between 2008 and ***:A liter.tur. sear.h tur.ed up 1798 citations,of which 25 studies wer. included after.r.gor.us *** inter.ention categor.es have been constantly utilised to pr.vide suppor. and pr.mote mental health,of which acceptance and commitment ther.py(ACT)and cognitive behaviour.ther.py(CBT)wer. used most *** inter.entions exhibited diver.ity in both content and composition,and addr.ssed a wide r.nge of ***:The r.view emphasizes that psycho-social inter.entions have a positive effect on psychological issues,r.lationships,and pr.gnancies among couples and can be incor.or.ted into fer.ility-car. pr.ctices.

关键词： Infer.ile couples Psychosocial inter.entions Mental health Quality of life

Single-atom Pt on car.on nanotubes for.selective electr.catalysis

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Car.on Ener.y 2024年第1期6卷 63-71页

作者： Samuel S.Har.isty Xiaoqian Lin Anthony r.J.Kucer.ak David Zitoun Depar.ment of Chemistr. Bar Ilan Institute of Nanotechnology and Advanced Materials(BINA)Bar Ilan UniversityRamat GanIsrael Depar.ment of Chemistr. Molecular Science Research HubImperial College LondonLondonUK

Utilizing suppor.ed single atoms as catalysts pr.sents an oppor.unity to r.duce the usage of cr.tical r.w mater.als such as platinum,which ar. essential for.electr.chemical r.actions such as hydr.gen oxidation r.action(HOr..Her.in,we descr.be the synthesis of a Pt single electr.catalyst inside single-walled car.on nanotubes(SWCNTs)via a r.dox *** via electr.n micr.scopy,X-r.y photoelectr.n micr.scopy,and X-r.y absor.tion spectr.scopy show the single-atom natur. of the *** electr.chemical behavior.of the sample to hydr.gen and oxygen was investigated using the advanced floating electr.de technique,which minimizes mass tr.nspor. limitations and gives a thor.ugh insight into the activity of the *** single-atom samples showed higher.HOr.activity than state-of-the-ar. 30%Pt/C while almost no oxygen r.duction r.action activity in the pr.ton exchange membr.ne fuel cell oper.ting *** selective activity towar. HOr.ar.se as the main finger.r.nt of the catalyst confinement in the SWCNTs.

关键词： confinement electr.catalysis hydr.gen platinum single atom catalysts

Geospatial Analysis of Ur.an Heat Island Effects and Tr.e Equity

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Open Jour.al of For.str. 2024年第1期14卷 1-18页

作者： Jillian Gor.ell Shar.n r. Jean-Philippe Paul D. r.es Jennifer.K. r.char.s Neelam C. Poudyal r.chelle Butler School of Natur.l r.sour.es University of Tennessee 203 Third Creek Building Knoxville Tennessee USA

In r.cent decades, Ur.an Heat Island Effects have become mor. pr.nounced and mor. widely examined. Despite gr.at technological advances, our.cur.ent societies still exper.ence gr.at spatial dispar.ty in ur.an for.st access. Ur.an Heat Island Effects ar. measur.ble phenomenon that ar. being exper.enced by the wor.d’s most ur.anized ar.as, including incr.ased summer.high temper.tur.s and lower.evapotr.nspir.tion fr.m having imper.ious sur.aces instead of vegetation and tr.es. Tr.e canopy cover.is our.natur.l mitigation tool that absor.s sunlight for.photosynthesis, pr.tects humans fr.m incoming r.diation, and r.leases cooling moistur. into the air. Unfor.unately, ur.an ar.as typically have low levels of vegetation. Vulner.ble ur.an communities ar. lower.income ar.as of inner.cities with less access to heat pr.tection like air.conditioner.. This study uses mean evapotr.nspir.tion levels to assess the var.ability of ur.an heat island effects acr.ss the state of Tennessee. r.sults show that incr.ased developed land sur.ace cover.in Tennessee cr.ates measur.ble changes in atmospher.c evapotr.nspir.tion. As a r.sult, the mean evapotr.nspir.tion levels in ar.as with less tr.e vegetation ar. significantly lower.than the sur.ounding for.sted ar.as. Centr.l ar.as of ur.an cities in Tennessee had lower.mean evapotr.nspir.tion r.cor.ings than sur.ounding ar.as with less development. This wor. demonstr.tes the need for.incr.ased tr.e canopy cover.ge.

关键词： Spatial Analysis Land Cover Ur.an Heat Island Effect (UHIE) Evapotr.nspir.tion Tr.e Canopy Imper.ious Sur.ace GIS Pr.diction Model GIS Machine Lear.ing