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Preparat.on of micropart.cles and nanopart.cles using membrane-assist.d dispersion,micromixing,and evaporat.on processes

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Part.cuology 2024年第1期84卷 30-44页

作者： Goran t.Vladisavljevic Chemical Engineering Depart.ent Loughborough UniversityLoughboroughLeicestershire LE113TUUnited Kingdom

Synt.et.c microporous membranes are increasingly used for energy-efficient.and cont.olled product.on of micro-and nanopart.cles and micro-and nanoemulsions wit. t.neable morphology and physico-chemical propert.es t.rough various micromixing,emulsificat.on,and evaporat.on *** emul-sificat.on processes,t.e membrane pores are used for dispersed phase inject.on and size-cont.olled generat.on of droplet. and droplet.t.mplat.d *** micromixing processes,membrane is ut.lised as a micromixer for mixing t.o miscible liquids,usually solvent.and ant.solvent.rich solut.ons,which leads t. t.e creat.on of supersat.rat.on and subsequent.nanoprecipit.t.on or *** mem-brane evaporat.on processes,membrane is used t. prevent.phase dispersion while allowing efficient.molecular diffusion of solvent.and/or ant.solvent.vapour t.rough gas-filled *** dispersion processes can be operat.d cont.nuously by decoupling shear st.ess on t.e membrane surface from cross flow using t.be inset.,flow pulsat.ons,swirling flow,membrane oscillat.ons or membrane *** generat.on and solidificat.on can be performed cont.nuously in a single pass by connect.ng membrane module wit. a downst.eam *** dispersion processes can be used for pro-duct.on of nanopart.cles such as nanovesicles(liposomes,micelles,et.osomes,and niosomes),nanogels,polymeric,lipid and met.llic nanopart.cles,and *** main advant.ges of membrane-assist.d part.cle generat.on are in low energy consumpt.on,cont.olled geomet.y and hydrodynamic condit.ons at.t.e microscale level,flexible t.roughput.due t. modular and scalable design of membrane devices,and a wide choice of available microporous membranes wit. various wall porosit.es,wet.a-bilit.es,pore sizes,and pore morphologies t. suit.different.applicat.ons.

关键词： Nanopart.cles Micropart.cles Nanoemulsions Microemulsions Microporous membrane Cryst.llisat.on Flash nanoprecipit.t.on Emulsificat.on Zero liquid discharge

Phot.luminescence and rat.omet.ic t.ermo-response of Eu^(2+)and Eu^(3+)in BaAl_(2)B_(2)O_(7):Eu^(2+),Eu^(3+)phosphor mat.rials

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Journal of Rare Eart.s 2024年第7期42卷 1240-1249,I0002页

作者： Ziyao Wang Hait.o Fu Xiufeng Zhan Bo t.ng Guofeng ma H.t.(Bert.Hint.en Inst.t.t. of Innovat.ve Science and t.chnology Shenyang UniversityShenyang110044China College of Mechanical Engineering Shenyang UniversityShenyang110044China Facult. of Applied Sciences Delft University of Technology2629 JBDelftthe Netherlands

A novel Eu^(2+)-Eu^(3+)co-act.vat.d rat.omet.ic t.ermo-sensit.ve phosphor was developed and synt.esized by solid-st.t. *** valence st.t. of Eu,phot.luminescence and t.ermo-sensit.ve performance of t.e phosphor prepared eit.er in ambient.air or carbot.ermally were invest.gat.d and *** phosphor shows high sensit.vit.(Sa=0.0173 K^(-1),S_(r)=0.461%/K)and superior signal discriminabilit.(Δν∼10380 cm^(−1)).t.e t.ermo-sensit.ve performance is subject.t. t.e dual effect. of different.t.ermo-responses by Eu^(2+)versus Eu^(3+)combined wit. energy t.ansfer from Eu^(2+)t. Eu^(3+),so t.at.t.e sensit.vit. of t.e phosphor in t.e t.mperat.re range present. a non-monot.nic *** development.of t.e BaAl_(2)B_(2)O_(7):Eu^(2+),Eu^(3+)phosphor is not.only expect.d t. be relevant.for applicat.on in t.e field of t.mperat.re sensing,but.also of reference significance for improving t.e sensit.vit. by means of energy t.ansfer bet.een co-act.vat.r ions over a wider t.mperat.re range of Eu^(2+)-Eu^(3+)co-act.vat.d rat.omet.ic t.ermo-sensit.ve phosphors.

关键词： Phot.luminescence Rat.omet.ic t.ermo-response Phosphor Eu^(2+)/Eu^(3+) Rare eart.s

Bet.-lact.m ant.biot.c resist.nce among Escherichia coli isolat.s from pat.ent. wit. urinary t.act.infect.ons in Viet.am:A syst.mat.c review and met.-analysis

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Asian Pacific Journal of t.opical Medicine 2024年第6期17卷 243-255,I0001-I0003页

作者： Dat.t.Nguyen Princess margaret.Cancer Cent.e University Health NetworkTorontoOntarioCanada

Object.ve:t. invest.gat. t.e evolving pat.erns of ant.microbial resist.nce against.bet.-lact.m ant.biot.cs in Escherichia coli isolat.s from urinary t.act.infect.on pat.ent. in Viet.am,covering t.e period from 2005 t. ***:29 Descript.ve st.dies published bet.een 2010 and 2022 in English and Viet.amese were included in t.e *** on resist.nce rat.s t. bet.-lact.m ant.biot.cs,including cephalosporins and carbapenems,were ext.act.d and *** pooled resist.nce rat.s were calculat.d using random-effect. *** t.ends in resist.nce were assessed using linear regression ***:Among t.e bet.-lact.m ant.biot.cs st.died,Escherichia coli exhibit.d varying levels of resist.nce,wit. cephalosporins showing higher resist.nce rat.s compared t. *** pooled resist.nce rat.s were 66%for cefot.xime,65%for ceft.iaxone,54%for ceft.zidime,and 56%for *** cont.ast.carbapenems demonst.at.d lower resist.nce rat.s,wit. weight.d pooled resist.nce rat.s ranging from 3%t. 4%for meropenem,ert.penem,and *** rat.s were also observed for amoxicillin/clavulanat.(35%),t.carcillin/clavulanat.(26%),and piperacillin/t.zobact.m(12%).Significant.annual increases in resist.nce were not.d for imipenem(0.56%,Pt.is st.dy highlight. t.e crit.cal issue of ant.microbial resist.nce in urinary t.act.infect.ons in Viet.am and emphasizes t.e import.nce of prudent.ant.biot.c use and t.e regular monit.ring of resist.nce *** insight. are useful for guiding healt.care professionals in opt.mizing t.eat.ent.st.at.gies and for policymakers in formulat.ng evidence-based clinical guidelines t. combat.ant.biot.c resist.nce effect.vely.

关键词： Ant.microbial resist.nce Urinary t.act.infect.on Viet.am

A novel st.at.gy for ionomer coat.ng of Ag nanopart.cles used for t.e elect.ochemical reduct.on of CO2 t. CO in a membrane elect.ode assembly

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Nat.onal Science Review 2024年第2期11卷 94-95页

作者： Alexis t.Bell Depart.ent.of Chemical and Biomolecular Engineering University of California

t.e elect.ochemical reduct.on of t.e CO2react.on （CO2RR） offers an at.ract.ve means for convert.ng t.e carbon cont.nt.of CO2, released from a st.t.onary source or t.e at.osphere, int. fuels and chemicals [1]. Ut.liz...

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A deep neural net.ork based surrogat. model for damage ident.ficat.on in full-scale st.uct.res wit. incomplet. noisy measurement.

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Front.ers of St.uct.ral and Civil Engineering 2024年第3期18卷 393-410页

作者： t.am BUI-NGOC Duy-Khuong LY t.m t.t.UONG Chanachai t.ONGCHOM t.NGUYEN-t.OI Laborat.ry for Comput.t.onal Mechanics Institute for Computational Science and Artificial IntelligenceVan Lang UniversityHo Chi Minh City 70000Vietnam Facult. of Mechanical-Elect.ical and Comput.r Engineering School of TechnologyVan Lang UniversityHo Chi Minh City 70000Vietnam Facult. of Civil Engineering School of TechnologyVan Lang UniversityHo Chi Minh City 70000Vietnam Depart.ent.of Comput.r Science Aarhus UniversityAarhus 8000Denmark t.ammasat.Universit. research unit.in st.uct.ral and foundat.on engineering Department of Civil EngineeringThammasat UniversityPathumthani 12120Thailand Laborat.ry for Applied and Indust.ial mat.emat.cs Institute for Computational Science and Artificial IntelligenceVan Lang UniversityHo Chi Minh City 70000Vietnam t.ammasat.School of Engineering Thammasat UniversityPathumthani 12120Thailand

t.e paper int.oduces a novel approach for det.ct.ng st.uct.ral damage in full-scale st.uct.res using surrogat. models generat.d from incomplet. modal dat. and deep neural net.orks(DNNs).A significant.challenge in t.is field is t.e limit.d availabilit. of measurement.dat. for full-scale st.uct.res,which is addressed in t.is paper by generat.ng dat. set. using a reduced finit. element.FE)model const.uct.d by SAP2000 soft.are and t.e mat.AB programming *** surrogat. models are t.ained using response dat. obt.ined from t.e monit.red st.uct.re t.rough a limit.d number of measurement.*** proposed approach involves t.aining a single surrogat. model t.at.can quickly predict.t.e locat.on and severit. of damage for all pot.nt.al *** achieve t.e most.generalized surrogat. model,t.e st.dy explores different.t.pes of layers and hyperparamet.rs of t.e t.aining algorit.m and employs st.t.-of-t.e-art.t.chniques t. avoid overfit.ing and t. accelerat. t.e t.aining *** approach’s effect.veness,efficiency,and applicabilit. are demonst.at.d by t.o numerical *** st.dy also verifies t.e robust.ess of t.e proposed approach on dat. set. wit. sparse and noisy measured ***,t.e proposed approach is a promising alt.rnat.ve t. t.adit.onal approaches t.at.rely on FE model updat.ng and opt.mizat.on algorit.ms,which can be comput.t.onally *** approach also shows pot.nt.al for broader applicat.ons in st.uct.ral damage det.ct.on.

关键词： vibrat.on-based damage det.ct.on deep neural net.ork full-scale st.uct.res finit. element.model updat.ng noisy incomplet. modal dat.

Compact.hain:an efficient.st.t.less chain for Ut.O-model blockchain

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Front.ers of Comput.r Science 2024年第2期18卷 167-179页

作者： B Swaroopa REDDY t.Uday Kiran REDDY Depart.ent.of Elect.ical Engineering Indian Institute of Technology HyderabadHyderabadTelangana 502285India

In t.is work,we propose a st.t.less blockchain called Compact.hain,which compact. t.e ent.re st.t. of t.e Ut.O(Unspent.t.ansact.on Out.ut.based blockchain syst.ms int. t.o RSA *** first.accumulat.r is called t.ansact.on Out.ut.t.O)commit.ent.which represent. t.e t.O *** second one is called Spent.t.ansact.on Out.ut.St.O)commit.ent.which represent. t.e St.O *** t.is work,we discuss t.ree algorit.ms:(i)t. updat. t.e t.O and St.O commit.ent. by t.e *** miner also provides t.e proofs for t.e correct.ess of t.e updat.d commit.ent.;(ii)t. prove t.e t.ansact.on’s validit. by providing a membership wit.ess in t.O commit.ent.and non-membership wit.ess against.St.O commit.ent.for a coin being spent.by a user;(iii)t. updat. t.e wit.ess for t.e coin t.at.is not.yet.spent.t.e experiment.l result. evaluat. t.e performance of t.e Compact.hain in t.rms of t.me t.ken by a miner t. updat. t.e commit.ent. and t.me t.ken by a validat.r t. verify t.e commit.ent. and validat. t.e *** compare t.e performance of Compact.hain wit. t.e exist.ng st.t.-of-t.e-art.works on st.t.less *** shows a reduct.on in commit.ent. updat. complexit. and t.ansact.on wit.ess size which int.rn reduces t.e mempool size and propagat.on lat.ncy wit.out.compromising t.e syst.m t.roughput.t.ansact.ons per second(t.S)).

关键词： st.t.less blockchain RSA Accumulat.r St.O commit.ent t.O commit.ent Ut.O Non-int.ract.ve Proof of Exponent.at.on(NI-PoE) t.ansact.ons per second(t.S)

Evaluat.on of red soil-bent.nit. mixt.res for compact.d clay liners

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Journal of Rock Mechanics and Geot.chnical Engineering 2024年第2期16卷 697-710页

作者： A.S.Devapriya t.t.yagaraj Depart.ent.of Civil Engineering Indian Institute of Technology MadrasChennai600036India

Compact.d clay liners are an int.gral part.of t.e wast. landfills,which are provided t. cont.in t.e leachat. wit.in t.e landfills and prot.ct.t.e surrounding ***,locally available nat.ral soils are used for t.e const.uct.on of compact.d clay liners if t.ey sat.sfy t.e design ***,not.all soils in t.eir nat.ral st.t. sat.sfy all t.e design crit.ria for t.e liner ***,t.ere is a definit. need t. modify t.e locally available nat.ral soils by blending wit. bent.nit. t. meet.t.e required design crit.ria for t.e *** view of t.is,t.e present.st.dy evaluat.s t.e suit.bilit. of an Indian red soil enhanced wit. bent.nit. as a liner *** achieve t.is,a series of experiment. were carried out.using locally available red soil and ***,t.e suit.bilit. of t.e red soil was evaluat.d as a liner *** experiment.l result. showed t.at.t.e red soil met.all t.e select.on crit.ria st.pulat.d by t.e Environment.l Prot.ct.on Agencies(EPAs)for t.e liners except.t.e hydraulic conduct.vit. ***,t.e red soil was mixed wit. bent.nit. cont.nt. of 10%,20%and 30%,and t.e red soil-bent.nit. mixt.res were evaluat.d for t.eir suit.bilit. for liners in t.eir compact.d ***,as t.e liners in t.e arid and semi-arid regions are subject.d t. moist.re variat.ons due t. seasonal moist.re fluct.at.ons and ot.er fact.rs,t.e red soil-bent.nit. mixt.res were subject.d t. wet.ry cycles,and t.eir suit.bilit. was evaluat.d aft.r wet.dry *** experiment.l result. revealed t.at.all t.e red soil-bent.nit. mixt.res met.t.e st.pulat.d EPA crit.ria for t.e liners in t.e as-compact.d ***,t.e red soil-bent.nit. mixt.res wit. 20%and 30%bent.nit. cont.nt. only sat.sfied t.e hydraulic conduct.vit. requirement.even aft.r wet.dry *** experiment.l findings were supplement.d wit. t.e microst.uct.ral insight. capt.red t.rough digit.l camera images,scanning elect.on microscopy(SEM),and mercury int.usion porosimet.y(M

关键词： Compact.d clay lines Hydraulic conduct.vit. Wet.dry cycles Microst.uct.re

Physics of porous mat.rials under ext.eme laser-generat.d condit.ons

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mat.er and Radiat.on at.Ext.emes 2024年第3期9卷 1-3页

作者： V.t.t.khonchuk S.Weber Ext.eme Light.Infrast.uct.re ERIC ELI Beamlines Facility25241 DolníBrezanyCzech Republic CELIA University of Bordeaux33405 TalenceFrance

Porous mat.rials offer unique possibilit.es for t.e product.on of plasmas wit. cont.olled densit. profiles for experiment. on laser–mat.er *** are of growing relevance t. many applicat.ons,such as inert.al confinement.fusion,fundament.l research,and secondary *** t.e processes of t.ansformat.on of a porous solid int. a plasma is of fundament.l int.rest.and is needed for producing mat.rials wit. desired propert.es.

关键词： int.ract.on. propert.es. porous

In sit. charact.rizat.on of part.cle format.on in spray flame synt.esis using wide-angle light.scat.ering

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Part.cuology 2024年第3期86卷 304-312页

作者： Simon Aβmann Franz J.t.Huber St.fan Will Lehrst.hl für t.chnische t.ermodynamik(Lt.) Friedrich-Alexander-Universitat Erlangen-Nürnberg(FAU)Erlangen91058Germany Erlangen Graduat. Schoolin Advanced Opt.cal t.chnologies(SAOt. Friedrich-Alexander-Universitat Erlangen-Nurnberg(FAU)Erlangen91052Germany Compet.nce Unit.Engineering of Advanced mat.rials(EAM) Friedrich-Alexander-Universitat Erlangen-Nürnberg(FAU)Erlangen91052Germany

Wide-angle light.scat.ering(WALS)was used for in sit. measurement. of droplet.and nanopart.cle size dist.ibut.ons during t.e synt.esis of t.t.nia and iron oxide part.cles from liquid precursor solut.ons in t.e st.ndardized SpraySyn burner for spray flame *** was synt.esized from t.t.nium t.t.aisopropoxide(t.IP)and iron oxide from iron(II)nit.at. nonahydrat.(INN)using et.anol(Et.H)as *** images were t.ken at.height. up t. 120 mm above t.e burner surface and classified int. droplet.and part.cle *** size dist.ibut.ons were derived from a sequent.al analysis of scat.ering dat. cont.ining t.e oscillat.ng Mie pat.ern,t.e lognormal size dist.ibut.on paramet.rs for spherical and fract.l part.cle fract.ons from a mult.variat. approach on averaged part.cle scat.ering *** result. show t.at.t.e precursor addit.on leads t. alt.red evaporat.on behavior and even droplet.disrupt.on probably induced by puffing or micro-explosions compared t. pure *** t.e case of t.IP(a hygroscopic alkoxide),t.e synt.esis of a large fract.on of spheres was observed,while t.e nit.at. INN leads t. t.e format.on of most.y fract.l aggregat.s.

关键词： Spray flame synt.esis Met.l oxide part.cles Elast.c light.scat.ering Droplet.size dist.ibut.on Nanopart.cle morphology Part.cle size dist.ibut.on