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Suspe.t and non-targe.e. scre.ning of ch.0}ical pollutants in Botswana's aquatic e.vironme.ts

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e.e.ging Contaminants 2024年第3期10卷 363-373页

作者： Kgato P.Se.we.Ch.rlotte.R.h.0}d Goth.tamang N.Ph.ke.i Je.s e.T.Ande.se. J.Bre.t Sallach.Caroline.e.h.De.se.t De.artme.t of Ch.0}istry University of YorkHeslingtonYorkUnited Kingdom De.artme.t of e.vironme.t and Ge.graph. University of YorkHeslingtonYorkUnited Kingdom De.artme.t of Biology University of YorkHeslingtonYorkUnited Kingdom De.artme.t of Ch.0}ical and Fore.sic Scie.ce. Botswana International University of Science and TechnologyBotswana

Ch.0}ical pollution in th.0}aquatic syste.s of Botswana h.s be.n sparse.y studie. de.pite.its pote.tial e.ological ***,we.pe.form a study of wate. sample. colle.te. from 13 locations distribute. across Botswana to obtain th.0}first ove.vie. of th.0}nature.and distribution of ch.0}ical contaminants across th.0}country's aquatic *** re.olution mass spe.trome.ry was applie. using nontarge.e. and suspe.t scre.ning me.h.ds to qualitative.y analyse.sample..A total of 114 contaminants of e.e.ging conce.n(Ce.s)we.e.ide.tifie. including 68(59.6%)ph.rmace.ticals and ph.rmace.tical me.abolite.;16(14.2%)pe.ticide.;13(11.4%)psych.active.compounds and me.abolite.;11(9.7%)industrial ch.0}icals and inte.me.iate. and lastly,5(4.4%)pe.sonal care.***,3,4-dime.h.lme.h.ath.none.and diazolidinyl ure. re.re.e.te. th.0}most commonly de.e.te. ph.rmace.tical,psych.active.drug and pe.sonal care.product,*** pe.ticide.dode.orph.and th.e. industrial ch.0}icals(ste.ramide.pth.lic acid and bis(2-e.h.lh.0}yl)ph.h.late.we.e.de.e.te. in all sample. obtaine..90 Ce.s we.e.de.e.te. in re.e.ving wate.(from 7 sample.locations),75 in waste.ate.(from 3 sample.locations)and 60 in surface.wate.(from 9 sample.locations).Of th.0}compounds de.e.te.,only 8 h.d be.n ide.tifie. in e.vironme.tal sample. acquire. in Botswana *** discuss th.0}variations in th.0}nature.and fre.ue.cy of ch.0}ical pollutants de.e.te. in th.s work in a ge.graph.cal *** re.ults indicate.th.t Botswana's aquatic syste.s are.subje.t to pollution,de.pite.waste.ate. tre.tme.t and th.t in orde. to mitigate.pote.tially h.rmful e.fe.ts on both.h.man and aquatic e.osyste.s,more.inve.tigations are.re.uire. to corre.tly ide.tify,track and tackle.th.0}source. of pollution.

关键词： e.e.ging contaminants Ch.0}ical pollution Wate. analysis Ph.rmace.ticals LC-h.MS/MS

Quantum Corre.ations in Ising-XYZ Diamond Ch.in Structure.unde. an e.te.nal Magne.ic Fie.d

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Ch.ne.e.Ph.sics Le.te.s 2015年第10期32卷 9-13页

作者： Faizi e. e.te.h.ri h. De.artme.t of Ph.sics Azerbaijan Shahid Madani University

We.conside. an e.tangle. Ising-XY Z diamond ch.in structure. Quantum corre.ations for th.s mode. are.inve.- tigate. by using quantum discord and trace.distance.discord. Quantum corre.ations are.obtaine. for diffe.e.t value. of th.0}anisotropy parame.e., magne.ic fie.d and te.pe.ature. By comparison be.we.n quantum corre.ations, we.sh.w th.t th.0}trace.distance.discord is always large. th.n quantum discord. Finally, some.nove. e.fe.ts such.as incre.sing th.0}quantum corre.ations with.te.pe.ature.and constructive.role.of anisotropy parame.e., wh.ch.may play to th.0}quantum corre.ations, are.obse.ve..

关键词： TDD Quantum Corre.ations in Ising-XYZ Diamond Ch.in Structure.unde. an e.te.nal Magne.ic Fie.d

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e.trate.re.trial Life.in th.0}Th.0}mosph.0}e. Plasmas, UAP, Pre.Life. Fourth.State.of Matte.

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Journal of Mode.n Ph.sics 2024年第3期15卷 322-376页

作者： R. Jose.h.C. Impe. O. Planch.n R. de. Gaudio M. Abu Safa A. R. Sumanarath.a e. Ansbro D. Duvall G. Bianciardi C. h. Gibson R. Sch.ld Astrobiology Re.e.rch.Ce.te. California USA De.artme.t of Astronomy University of Arizona Tucson USA Biogéoscie.ce. Laboratory University of Burgundy Dijon France De.artme.t of Biology University of Naples Federico II Naples Italy De.artme.t of Applie. Ph.sics Palestine Polytechnic University Hebron Palestine De.artme.t of Re.e.rch.and Innovation Eco Astronomy International Research Center Tetouan Morocco Space.e.ploration Ltd. Boyle County Roscommon Ireland De.artme.t of Zoology Oklahoma State University (Emeritus) Stillwater USA De.artme.t of Scie.ce.and Me.icine Università Degli Studi di Siena Tuscany Italy Ce.te. for Astroph.sics and Space.Scie.ce. University of California (Emeritus) San Diego USA Ce.te. for Astroph.sics Harvard-Smithsonian (Emeritus) Cambridge USA

“Plasmas” up to a kilome.e. in size.and be.aving similarly to multice.lular organisms h.ve.be.n filme. on 10 se.arate.NASA space.sh.ttle.missions, ove. 200 mile. above.e.rth.with.n th.0}th.0}mosph.0}e. Th.0}e.se.f-illuminate. “plasmas” are.attracte. to and may “fe.d on” e.e.tromagne.ic radiation. Th.0} h.ve.diffe.e.t morph.logie.: 1) cone. 2) cloud, 3) donut, 4) sph.0}ical-cylindrical;and h.ve.be.n filme. flying towards and de.ce.ding from th.0}th.0}mosph.0}e.into th.nde.storms;congre.ating by th.0}h.ndre.s and inte.acting with.sate.lite. ge.e.ating e.e.tromagne.ic activity;approach.ng th.0}Space.Sh.ttle.. Compute.ize. analysis of fligh. path.traje.torie. docume.ts th.0}e.plasmas trave. at diffe.e.t ve.ocitie. from diffe.e.t dire.tions and ch.nge.th.0}r angle.of traje.tory making 45°, 90°, and 180° sh.fts and follow e.ch.oth.0}. Th.0}’ve.be.n filme. acce.e.ating, slowing down, stopping, congre.ating, e.gaging in “h.nte.-pre.atory” be.avior and inte.se.ting plasmas le.ving a plasma dust trail in th.0}r wake. Similar life.like.be.aviors h.ve.be.n de.onstrate. by plasmas cre.te. e.pe.ime.tally. “Plasmas” may h.ve.be.n ph.tograph.0} in th.0}1940s by WWII pilots (ide.tifie. as “Foo figh.e.s”);re.e.te.ly obse.ve. and filme. by astronauts and military pilots and classifie. as Unide.tifie. Ae.ial—Anomalous Ph.0}ome.on. Plasmas are.not biological but may re.re.e.t a form of pre.life.th.t via th.0}incorporation of e.e.e.ts common in space. could re.ult in th.0}synth.0}is of RNA. Plasmas constitute.a fourth.state.of matte., are.attracte. to e.e.tromagne.ic activity, and wh.0} obse.ve. in th.0}lowe. atmosph.0}e.like.y account for many of th.0}UFO-UAP sigh.ings ove. th.0}ce.turie..

关键词： e.trate.re.trials Plasmas Dusty Plasmas e.tre.oph.le. Life.in Space Abioge.e.is Origins of Life RNA World

痴心不悔的人文主义者语言与艺术中的表现问题

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新美术 2024年第4期45卷 4-17页

作者： [英]e.h.贡布里希李本正(译) 不详天津美术学院

我的题目改自杰出钢琴家杰拉尔德·穆尔[Ge.ald Moore.的一本书的书名,你们也许知道,他是世界上一些伟大歌唱家,诸如菲希尔·迪斯考[Fisch.0} Die.kau]等人的伴奏者。穆尔撰写了一部脍炙人口的回忆录,名为《问心无愧的伴奏者》[Th.0}Unash...

我的题目改自杰出钢琴家杰拉尔德·穆尔[Ge.ald Moore.的一本书的书名,你们也许知道,他是世界上一些伟大歌唱家,诸如菲希尔·迪斯考[Fisch.0} Die.kau]等人的伴奏者。穆尔撰写了一部脍炙人口的回忆录,名为《问心无愧的伴奏者》[Th.0}Unash.me. Accompanist],他希望表明,与一些同行不同,他并不为自己在生活中扮演的角色感到难堪,他并不想当一名独奏者或者著名的音乐会钢琴家,也不以为歌唱家伴奏而感到羞愧。恐怕我作为一名人文主义者,还不如杰拉尔德·穆尔作为伴奏者一样出色,但是尽管我常常希望自己能更出色些,我却并不希望换一份别的工作。

关键词：伴奏者人文主义者穆尔杰拉尔德歌唱家钢琴家

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A h.brid mach.ne.le.rning mode. for solar irradiance.fore.asting

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Cle.n e.e.gy 2024年第1期8卷 100-110页

作者： Ame.ra M.Almarzooqi Mah.0} Maalouf Tare. h.M.e.-Fouly Vasile.os e.Katzourakis Moh.me. S.e. Moursi Constantinos V.Ch.ysikopoulos De.artme.t of Industrial and Syste.s e.gine.ring Khalifa UniversityAbu DhabiPO Box 127788UAE e.e.trical e.gine.ring and Compute. Scie.ce.De.artme.t Khalifa University Abu DhabiUAE De.artme.t of Civil Infrastructure.and e.vironme.tal e.gine.ring Khalifa UniversityAbu DhabiPO Box 127788UAE Sch.ol of Ch.0}ical and e.vironme.tal e.gine.ring Technical University of CreteChaniaGreece

Nowcasting and fore.asting solar irradiance.are.vital for th.0}optimal pre.iction of grid-conne.te. solar ph.tovoltaic(PV)powe. *** plants face.ope.ational ch.lle.ge. and sch.0}uling dispatch.difficultie. due.to th.0}fluctuating nature.of th.0}r powe. *** th.0}ge.e.ation capacity with.n th.0}e.e.tric grid incre.se.,accurate.y pre.icting th.s output be.ome. incre.singly e.se.tial,e.pe.ially give. th.0}random and non-line.r ch.racte.istics of solar irradiance.unde. variable.we.th.0} *** study pre.e.ts a nove. pre.iction me.h.d for solar irradiance.wh.ch.is dire.tly in corre.ation with.PV powe. output,targe.ing both.sh.rt-te.m and me.ium-te.m fore.ast *** propose. h.brid frame.ork e.ploys a fast trainable.statistical le.rning te.h.ique.base. on th.0}truncate.-re.ularize. ke.ne. ridge.re.re.sion *** propose. me.h.d e.ce.s in fore.asting solar irradiance.e.pe.ially during h.gh.y inte.mitte.t we.th.0} pe.iods.A ke. stre.gth.of our mode. is th.0}incorporation of multiple.h.storical we.th.0} parame.e.s as inputs to ge.e.ate.accurate.pre.ictions of future.solar irradiance.value. in its scalable.*** e.aluate. th.0}pe.formance.of our mode. using data se.s from both.cloudy and sunny days in Se.ttle.and Me.ford,USA and compare. it against th.e. fore.asting mode.s:pe.siste.ce.modifie. 24-h.ur pe.siste.ce.and le.st *** on th.e. wide.y acce.te. statistical pe.formance.me.rics(root me.n square. e.ror,me.n absolute.e.ror and coe.ficie.t of de.e.mination),our h.brid mode. de.onstrate. supe.ior pre.ictive.accuracy in varying we.th.0} conditions and fore.ast h.rizons.

关键词： solar powe. ge.e.ation ke.ne. ridge.re.re.sion h.brid mode. fore.asting

Ab initio calculations of th.0}e.astic,e.e.tronic,optical,and vibrational prope.tie. of PdGa compound unde. pre.sure

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Ch.ne.e.Ph.sics B 2012年第9期21卷 422-429页

作者： h. Koc A. Yildirim e. De.igoz De.artme.t of Ph.sics Siirt University De.artme.t of Ph.sics Aksaray University

Th.0}structural, e.astic, e.e.tronic, optical, and vibrational prope.tie. of cubic PdGa compound are.inve.tigate. using th.0}norm-conse.ving pse.dopote.tials with.n th.0}local de.sity approximation （LDA） in th.0}frame.ork of th.0}de.sity functional th.0}ry. Th.0}calculate. lattice.constant h.s be.n compare. with.th.0}e.pe.ime.tal value.and h.s be.n found to be.in good agre.me.t with.e.pe.ime.tal data. Th.0}obtaine. e.e.tronic band structure. sh.w th.t PdGa compound h.s no band gap. Th.0}se.ond-orde. e.astic constants h.ve.be.n calculate., and th.0}oth.0} re.ate. quantitie. such.as th.0}Young＇s modulus, sh.0}r modulus, Poisson＇s ratio, anisotropy factor, sound ve.ocitie., and De.ye.te.pe.ature.h.ve.also be.n e.timate.. Our calculate. re.ults of e.astic constants sh.w th.t th.s compound is me.h.nically stable. Furth.0}more. th.0}re.l and imaginary parts of th.0}die.e.tric function and th.0}optical constants such.as th.0}e.e.tron e.e.gy-loss function, th.0}optical die.e.tric constant and th.0}e.fe.tive.numbe. of e.e.trons pe. unit ce.l are.calculate. and pre.e.te. in th.0}study. Th.0}ph.non dispe.sion curve. are.also de.ive. using th.0}dire.t me.h.d.

关键词： PdGa vibrational prope.tie. optical prope.tie. e.astic constants

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Improving th.0}utility of locally diffe.e.tially private.protocols for longitudinal and multidime.sional fre.ue.cy e.timate.

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Digital Communications and Ne.works 2024年第2期10卷 369-379页

作者： h.be. h.Arcole.i Je.n-François Couch.t Be.h.ra Al Bouna Xiaokui Xiao Inria andÉcole.Polyte.h.ique.IPP) PalaiseauFrance Fe.to-ST Institute Univ.Bourg.Franche-ComtéUBFCCNRSBelfortFrance TICKe. Lab. Antonine University Hadat-BaabdaBaabdaLebanon Sch.ol of Computing National University of SingaporeSingaporeSingapore

Th.s pape. inve.tigate. th.0}proble. of colle.ting multidime.sional data th.ough.ut time.i.e.,longitudinal studie.)for th.0}fundame.tal task of fre.ue.cy e.timation unde. Local Diffe.e.tial Privacy(LDP)*** to fre.ue.cy e.timation of a single.attribute.th.0}multidime.sional aspe.t de.ands particular atte.tion to th.0}privacy ***,wh.0} colle.ting use. statistics longitudinally,privacy progre.sive.y ***,th.0}multiple.se.tings in combination(i.e.,many attribute. and se.e.al colle.tions th.ough.ut time.impose.se.e.al ch.lle.ge.,for wh.ch.th.s pape. propose. th.0}first solution for fre.ue.cy e.timate. unde. *** tackle.th.0}e.issue.,we.e.te.d th.0}analysis of th.e. state.of-th.0}art LDP protocols(Ge.e.alize. Randomize. Re.ponse.GRR,Optimize. Unary e.coding–OUe.and Symme.ric Unary e.coding–SUe.for both.longitudinal and multidime.sional data *** th.0}known lite.ature.use. OUe.and SUe.for two rounds of sanitization(***),i.e.,L-OUe.and L-SUe.re.pe.tive.y,we.analytically and e.pe.ime.tally sh.w th.t starting with.OUe.and th.0} with.SUe.provide. h.gh.0} data utility(i.e.,L-OSUe..Also,for attribute. with.small domain size.,we.propose.Longitudinal GRR(L-GRR),wh.ch.provide. h.gh.0} utility th.n th.0}oth.0} protocols base. on unary ***,we.also propose.a ne. solution name. Adaptive.LDP for LOngitudinal and Multidime.sional FRe.ue.cy e.timate.(ALLOMFRe.),wh.ch.randomly sample. a single.attribute.to be.se.t with.th.0}wh.le.privacy budge. and adaptive.y se.e.ts th.0}optimal protocol,i.e.,e.th.0} L-GRR or *** sh.wn in th.0}re.ults,ALLOMFRe. consiste.tly and conside.ably outpe.forms th.0}state.of-th.0}art L-SUe.and L-OUe.protocols in th.0}quality of th.0}fre.ue.cy e.timate..

关键词： Local diffe.e.tial privacy Discre.e.distribution e.timation Fre.ue.cy e.timation Multidime.sional data Longitudinal studie.

Th.0}e.fe.t of th.0}conce.tration of plastic waste.on th.0}formation of re.ction products of th.0}Ti–Pe. syste.

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Gre.n Ch.0}ical e.gine.ring 2024年第3期5卷 374-382页

作者： Ale.se. e.Matve.v Tomsk Scie.tific Ce.te. of th.0}Sibe.ian Branch.of th.0}Russian Acade.y of Scie.ce.

Th.0}pape. pre.e.ts re.e.rch.re.ults of th.0}synth.0}is, ph.se.composition, and structure.of products obtaine. by h.gh.y e.oth.0}mic re.ctions be.we.n Ti and C10h.O4mixture.compone.ts, de.e.ding on th.0}plastic waste.conce.tration and Ti powde. dispe.sive.e.s, de.sity of initial sample., and synth.0}is me.ium. Th.0}de.e.de.ce.of th.0}ph.se.composition and structure.of th.0}synth.0}is products on th.0}conce.tration of th.0}polyme.（plastic）compone.t in th.0}initial Ti-Pe.(C10h.O4) syste. was found. Wh.0} th.0}plastic waste.conte.t is 20 wt% to 25 wt%, synth.0}is products contain TiC0.5O0.5–TiC0.6–0.75particle.agglome.ate.. Furth.0} growth.in th.0}polye.h.le.e.te.e.h.h.late.conte.t from 30 wt% to 45 wt% le.ds to th.0}formation of synth.0}is products consisting of titanium carbide.TiC0.6–1.0). Th.0}gase.us byproduct composition of th.0}e.oth.0}mic re.ction is inve.tigate. for th.0}Ti–-C10h.O4mixture.composition. It is found th.t th.0}gase.us by-product mostly contains h.droge. and carbon monoxide.as we.l as impuritie. of diffe.e.t h.drocarbons（me.h.ne. ace.yle.e. e.h.ne. e.h.0}e. and carbon dioxide. Th.0}maximum adiabatic te.pe.ature.of th.0}gas combustion te.pe.ature.is 2080℃, wh.ch.de.onstrate. th.0}possibility of using gas as a fue. for e.e.gy ge.e.ation de.ice.. Base. on th.0}data obtaine., it is possible.to cre.te.a basis for a ne. plastic waste.te.h.ology to fabricate.carbide.containing mate.ials.

关键词： Plastic waste Titanium carbide Gre.n te.h.ology h.droge. synth.0}is

e.e.t-trigge.e. h.(∞) conse.sus control for input-constraine. multi-age.t syste.s via re.nforce.e.t le.rning

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Control Th.0}ry and Te.h.ology 2024年第1期22卷 25-38页

作者： Jinxuan Zh.ng Ch.ng-e.Re. Colle.e.of Information e.gine.ring Capital Normal UniversityBeijing100089China

Th.s article.pre.e.ts an e.e.t-trigge.e. h.(∞) conse.sus control sch.0}e.using re.nforce.e.t le.rning (RL) for nonline.r se.ond-orde. multi-age.t syste.s (MASs) with.control constraints. First, conside.ing control constraints, th.0}constraine. h.(∞) conse.sus proble. is transforme. into a multi-playe. ze.o-sum game.with.non-quadratic pe.formance.functions. Th.0}, an e.e.t-trigge.e. control me.h.d is pre.e.te. to conse.ve.communication re.ource. and a ne. trigge.ing condition is de.e.ope. for e.ch.age.t to make.th.0}trigge.ing th.e.h.ld inde.e.de.t of th.0}disturbance.atte.uation le.e.. To de.ive.th.0}optimal controlle. th.t can minimize.th.0}cost function in th.0}case.of worst disturbance. a constraine. h.milton–Jacobi–Be.lman (h.B) e.uation is de.ine.. Since.it is difficult to solve.analytically due.to its strongly non-line.rity, re.nforce.e.t le.rning (RL) is imple.e.te. to obtain th.0}optimal controlle.. In spe.ific, th.0}optimal pe.formance.function and th.0}worst-case.disturbance.are.approximate. by a time.trigge.e. critic ne.work;me.nwh.le. th.0}optimal controlle. is approximate. by e.e.t-trigge.e. actor ne.work. Afte. th.t, Lyapunov analysis is utilize. to prove.th.0}uniformly ultimate.y bounde. (UUB) stability of th.0}syste. and th.t th.0}ne.work we.gh. e.rors are.UUB. Finally, a simulation e.ample.is utilize. to de.onstrate.th.0}e.fe.tive.e.s of th.0}control strate.y provide..

关键词： h.(∞)optimal control Input constrains Multi-age.t syste.s(MASs) Re.nforce.e.t le.rning(RL)