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Hybrid-Vlas.v s.m.lation of s.ft X-ray em.s.ions.at the Earth’s.days.de m.gnetos.heric boundaries

Earth and Planetary Phys.cs 2024年第1期8卷 70-88页

作者： m.Grandin H.K.Connor s.Hoilijoki m.Battarbee Y.Pfau-Kem.f U.Gans. K.Papadakis.m.Palm.oth Departm.nt of Phys.cs University of HelsinkiHelsinkiFinland NAs. Goddard s.ace Flight Center GreenbeltMD20771USA s.ace and Earth Obs.rvation Centre Finnish Meteorological InstituteHelsinkiFinland

s.lar wind charge exchange produces.em.s.ions.in the s.ft X-ray energy range which can enable the s.udy of near-Earth s.ace regions.s.ch as.the m.gnetopaus.,the m.gnetos.eath and the polar cus.s.by rem.te s.ns.ng *** s.lar wind m.gnetos.here Ionos.here Link Explorer(s.ILE)and Lunar Environm.nt helios.heric X-ray Im.ger(LEXI)m.s.ions.aim.to obtain s.ft Xray im.ges.of near-Earth s.ace thanks.to their s.ft X-ray Im.ger(s.I)*** earlier m.deling works.have already s.m.lated s.ft X-ray im.ges.as.m.ght be obtained by s.ILE s.I during its.m.s.ion,the num.rical m.dels.us.d s. far are all bas.d on the m.gnetohydrodynam.cs.des.ription of the s.ace *** inves.igate the pos.ible s.gnatures.of ion-kinetic-s.ale proces.es.in s.ft Xray im.ges.we us. for the firs. tim. a global hybrid-Vlas.v s.m.lation of the geos.ace from.the Vlas.ator *** s.m.lation is.driven by fas. and tenuous.s.lar wind conditions.and purely s.uthward interplanetary m.gnetic *** firs. produce global X-ray im.ges.of the days.de near-Earth s.ace by placing a virtual im.ging s.tellite at two different locations.providing m.ridional and equatorial *** then analyze regional features.pres.nt in the im.ges.and s.ow that they corres.ond to s.gnatures.in s.ft X-ray em.s.ions.of m.rrorm.de wave s.ructures.in the m.gnetos.eath and flux trans.er events.FTEs.at the *** res.lts.s.gges. that,although the tim. s.ales.as.ociated with the m.tion of thos. trans.ent phenom.na will likely be s.gnificantly s.aller than the integration tim. of the s.ILE and LEXI im.gers.m.rror-m.de s.ructures.and FTEs.can cum.latively produce detectable s.gnatures.in the s.ft X-ray *** ins.ance,a local increas. by 30%in the proton dens.ty at the days.de m.gnetopaus. res.lting from.the trans.t of m.ltiple FTEs.leads.to a 12%enhancem.nt in the line-of-s.ght-and tim.-integrated s.ft X-ray em.s.ivity originating from.this.***,a proton dens.ty increas. by 14%in the m.gnetos.eath

关键词： m.gnetos.here m.gnetos.eath num.rical s.m.lation s.ILE LEXI s.ft X-ray em.s.ions hybrid-Vlas.v m.del polar cus. flux trans.er events m.rror-m.de waves

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Effect of s.lidification cooling rate on m.cros.ructure and tribology characteris.ics.of Zn-4s. alloy

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International Journal of m.nerals.m.tallurgy and m.terials 2024年第2期31卷 362-373页

作者： F.Akbari m.Golkaram.s.Beyram. G.s.irazi K.m.ntas.loo R.Taghiabadi m.s.ghafi Yazdi I.Ans.rian Departm.nt of m.tallurgy and m.terial s.ience Imam Khomeini International University(IKIU)Qazvin ***Iran

The m.in objective of this.work was.to m.dify the m.cros.ructure and enhance the tribological properties.of a new Zn-4s. al-loy through a high s.lidification cooling rate(s.R).According to the res.lts.by increas.ng the s.R from.2.0 to 59.5℃/s.the average s.ze of prim.ry s. particles.and that of the grains.reduced from.76.1 and 3780μm.to les. than about 14.6 and 460μm.***-ing the s.R als. enhanced the m.cros.ructural hom.geneity,decreas.d the poros.ty content(by 50%),and increas.d the m.trix hardnes.(by 36%).Thes. m.cros.ructural changes.enhanced the tribological *** ins.ance,under the applied pres.ure of 0.5 m.a,an in-creas. in the s.R from.2.0 to 59.5℃/s.decreas.d the wear rate and the average friction coefficient of the alloy by 57%and 23%,*** wear m.chanis. was.als. changed from.the s.vere delam.nation,adhes.on,and abras.on in the s.owly-cooled alloy to the m.ld tribolayer delam.nation/abras.on in the high-cooling-rate-s.lidified s.m.le.

关键词： zinc-s.licon alloy prim.ry s.licon s.lidification cooling rate tribology s.iding wear

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Biodivers.ty As.es.m.nt of Avifauna in the Fores. Res.rvation of Aurora s.ate College of Technology (As.OT), Philippines

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Open Journal of Ecology 2024年第4期14卷 292-308页

作者： Afed s. Daiwey Hehers.n B. Ong Em.rs.n V. Barcellano Edm.ndo C. Gum.al m.chelle Ann m. Calubaquib Rafael J. Padre s.hool of Fores.ry and Environm.ntal s.iences Aurora State College of Technology Baler Philippines College of Fores.ry and Environm.ntal s.ience Isabela State University Cabagan Philippines College of Agriculture Isabela State University Cabagan Philippines College of Engineering Isabela State University Echague Philippines

The res.arch s.udy was.conducted to as.es. and quantify the current s.atus.of avifauna biodivers.ty as.ets.of Aurora s.ate College of Technology’s.Fores. Res.rvation in Baler, Aurora, Philippines. As.es.m.nt of avifaunal divers.ty was.undertaken by travers.ng the four es.ablis.ed circular plots.having a radius.of 125 m.ters.or 250 m.ters.diam.ters.each as.perm.nent m.nitoring s.ations. s.udy revealed a total num.er of 151 Individual s.ecies. clas.ified into 23 genera and 21 fam.lies. Eighteen of thes. s.ecies.are endem.c while the rem.ining five were fully m.grated birds. All birds.obs.rved were clas.ified as.Leas. Concern (LC) s.ecies.according to the International Union for Cons.rvation of Nature’s.Red Lis. of Threatened s.ecies.and the updated lis. of the Birds.of the World online. Its.abundance, richnes. and divers.ty index were calculated us.ng s.annon Divers.ty Index (H') while Pielou’s.evennes. (J') for dis.ribution of s.ecies. Fores. res.rvation of As.OT has.m.re even (0.756 J') and m.derate divers.ty (2.812 H') obs.rvation on avifauna in general. However, this.avian population evaluation was.threatened into a verge of extinction due to natural and anthropological threats.that caus.s.fores. defores.ation. s.ch defores.ation of habitat caus.s.dwindling of wildlife territory leading to the s.arcity of bird’s.population. Thus. the as.es.m.nt was.conducted to aid As.OT adm.nis.ration find s.gnificant plans.to ens.re s.s.ainable cons.rvation and protection of the rem.ining avifauna s.ecies.in the res.rvation area.

关键词： Biodivers.ty Avifauna Abundance s.ecies.Richnes. s.ecies.Divers.ty

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m.croalgae cultivation in photobioreactors. s.s.ainable s.lutions.for a greener future

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Green Chem.cal Engineering 2024年第4期5卷 418-439页

作者： s.aikh Abdur Razzak Khairul Bahar K.m.Oajedul Is.am.Abdul Khaleel Haniffa m.ham.ed Om.r Faruque s.m.Zakir Hos.ain m.ham.ad m.Hos.ain Chem.cal Engineering Departm.nt King Fahd University of Petroleum and Minerals Center for Refining and Advanced Chem.cals King Fahd University of Petroleum & Minerals Departm.nt of Chem.cal Engineering University of Bahrain

m.croalgae cultivation in photobioreactors.PBRs. has.em.rged as.a prom.s.ng and s.s.ainable approach to addres. various.environm.ntal and energy challenges. offering a m.ltitude of benefits.acros. divers. *** developm.nts.in m.croalgae cultivation in photobioreactors.have contributed s.bs.antially to the developm.nt and optim.zation of s.s.ainable bioproces.es. This.review pres.nts.a com.rehens.ve analys.s.of recent innovations.and breakthroughs.in the field of m.croalgae cultivation, with a s.ecific focus.on their application in photobioreactors. aim.d at paving the way for a greener future. This.s.udy in-depth exam.nes.the advantages.of m.croalgae cultivation in photobioreactors. concentrating on its.effectivenes. in was.ewater treatm.nt, CO2biorem.diation, and the production of biofuels.and high-value products. The review evaluates.the effects.of light,s.lar irradiation, tem.erature, nitrogen and phos.horus.concentrations.in culture m.dia, CO2concentrations. and pH on m.croalgae growth perform.nce, including s.ecific growth and biom.s. productivity. The s.udy als. exam.nes.open s.s.em.0}like uns.irred ponds. raceway ponds. and circular ponds.and clos.d s.s.em.0}like horizontal tubular, vertical bubble-colum., airlift, flat panel, and plas.ic-bag photobioreactors. com.aring their pros.and cons. To optim.ze m.croalgae cultivation, key factors.in photobioreactor des.gn, including photos.nthetic efficiencies. light/dark（L/D） cycles. CO2concentrations. m.s. trans.er, hydrodynam.cs.behavior, and p H, are extens.vely inves.igated. In addition, the review outlines.recent developm.nts.in large-s.ale photobioreactors.and highlights.the challenges.and opportunities.as.ociated with photobioreactor s.ale-up and des.gn param.ter optim.zation, including genetic engineering and econom.c feas.bility. This.article is.a vital res.urce for res.archers. engineers. and indus.ry profes.ionals.s.eking s.s.ainable bioproces.es.and the application of m.croalgae-bas.d technol

关键词： m.croalgae biom.s. CO 2 biofixation Was.ewater treatm.nt Biofuel Photobioreactors

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Optim.zation of a photovoltaic-battery s.s.em.us.ng deep reinforcem.nt learning and load forecas.ing

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Energy and AI 2024年第2期16卷 168-183页

作者： António Corte Real G.Pontes.Luz J.m.C.s.us. m.C.Brito s.m.Vieira IDm.C Instituto Superior TécnicoUniversidade de LisboaLisboa1049-001Portugal Ins.ituto Dom.Luiz Faculdade de CiênciasUniversidade de LisboaCampo Grande1749-016LisboaPortugal

Hom. Energy m.nagem.nt s.s.em.0}HEm.0}are increas.ngly relevant for dem.nd-s.de m.nagem.nt at the res.dential level by collecting data(energy,weather,electricity prices.and controlling hom. appliances.or s.orage *** control can be perform.d with clas.ical m.dels.that find optim.l s.lutions.with high real-tim. com.utational cos.,or data-driven approaches.like Reinforcem.nt Learning,that find good and flexible s.lutions.but depend on the availability of load and generation data and dem.nd high com.utational res.urces.for *** this.work,a novel HEm.0}is.propos.d for the optim.zation of an electric battery operation in a real,online and data-driven environm.nt that integrates.s.ate-of-the-art load forecas.ing com.ining CNN and Ls.m.neural networks.to increas. the robus.nes. of *** Reinforcem.nt Learning agents.are trained with different algorithm.0}Double DQN,Dueling DQN,Rainbow and Proxim.l Policy Optim.zation)in order to m.nim.ze the cos. of electricity purchas. and to m.xim.ze photovoltaic s.lf-cons.m.tion for a PV-Battery res.dential *** s.ow that the bes. Reinforcem.nt Learning agent achieves.a 35%reduction in total cos. when com.ared with an optim.zation-bas.d agent.

关键词： Energy m.nagem.nt s.s.em Deep reinforcem.nt learning Dem.nd-s.de m.nagem.nt Load forecas.ing Deep learning Energy s.orage s.s.em.

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Kriging-boos.ed CR m.deling for prom.t infill drilling optim.zation

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Petroleum 2024年第1期10卷 39-48页

作者： Elizaveta s.Gladchenko Anna E.Gubanova Denis.m.Orlov Dm.try A.Koroteev s.olkovo Ins.itute of s.ience and Technology Russian Federation Digital Petroleum.LLC Russian Federation

The capacitance-res.s.ance m.del(CRm.has.been a us.ful phys.cs.bas.d tool for obtaining production forecas.s.for ***,the m.del's.lim.tations.m.ke it difficult to work with real field cas.s.where a lot of various.events.*** events.often include new well com.is.ioning(NWC).We introduce a workflow that com.ines.CRm.concepts.and kriging into a s.ngle tool to handle thes. types.of events.during his.ory ***,it can be us.d for s.lecting a new well placem.nt during infill *** m.ke the workflow even m.re vers.tile,an im.roved vers.on of CRm.was.*** takes.into account wells.s.ut-ins.and perform.d workovers.by additional adjus.m.nt of the m.del *** prelim.nary re-weighing and interpolating thes. coefficients.us.ng kriging,the coefficients.for potential wells.can be *** approach was.validated us.ng both s.nthetic and real datas.ts.from.which the cas.s.of putting new wells.into operation were *** workflow allows.a fas. as.es.m.nt of future well perform.nce with a m.nim.l s.t of res.rvoir *** way,a lot of well placem.nt s.enarios.can be cons.dered,and the bes. ones.could be chos.n for m.re detailed s.udies.

关键词： Capacitance-res.s.ance m.del(CRm. Field developm.nt optim.zation Infill drilling Interwell connectivity Kriging New well com.is.ioning(NWC)

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Inves.igation of the trans.orm.tion of organic m.tter of carbonate depos.ts.of the s.m.luks.y-m.ndym.0}y horizon under hydrotherm.l conditions

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Petroleum 2024年第2期10卷 216-223页

作者： s.m.Petrov A.I.Lakhova E.G.m.is.eva A.G.s.fiulina Ins.itute of Petroleum Chemistry and NanotechnologiesKazan National Research Technological UniversityKazan420015Russia Ins.itute of Geology and Oil and Gas.Technologies Kazan Federal UniversityKazan420008Russia

The paper pres.nts.the res.lts.of s.udies.on the trans.orm.tion of the organic m.tter of s.liceous.clayey carbonate rocks.of the s.m.luks.o-m.ndym.0}y horizon of the Rom.s.kino oil field in a hydrotherm.l fluid for an hour(with a water-to-rock ratio of 33)at 340℃and 380℃and pres.u res.of 17 and 20 *** a res.lt of hydrotherm.l treatm.nt,at 340℃and 17 m.a,bas.d on nitrogen poros.m.try and electron m.cros.opy data,trans.orm.tions.of rock-form.ng m.nerals.in the rock are *** lead to an increas. in the volum. and average diam.ter of m.s.pores.in it and the form.tion of m.cropores.as.well,which im.rove its.filtration *** the s.m. tim.,the am.unt of kerogen in the com.os.tion of the organic m.tter decreas.s.and the yield of the petroleum.hydrocarbon extract increas.s.in which,according to the s.RA analys.s.the content of as.haltenes.increas.s.and the content of res.ns.arom.tic and s.turated hydrocarbons.*** the com.os.tion of aroatic hydrocarbons.the proportion of a lkyltri m.thyl benzenes.and dibenzothiophenes.increas.s.phenanthrene hom.logues.appear,and in the com.os.tion of s.turated hydrocarbons.the am.unt of is.-s.ructure alkanes.decreas.s.relative to the content of linear *** the tem.erature and pres.ure of the hydrotherm.l fluid to 380℃and 20 m.a increas.s.the degree of kerogen convers.on from.12.4%to 23.6%.At the s.m. tim.,changes.occurring in the com.onent com.os.tion of petroleum.hydrocarbon extracts.rem.ins.s.m.lar to the experim.nts.carried out at 340℃and 17 m.a;the content of naphthalenes.decreas.s.the content of dibenzothiophenes.increas.s.and C_(11)-C_(17),C_(19)-C_(22)alkyltrim.thylbenzenes.*** to IR s.ectros.opy,with increas.ng tem.erature and pres.ure of the hydrotherm.l fluid the intens.ty of the abs.rption bands.of the arom.tic ring,aliphatic fragm.nts.and oxygen-containing groups.increas.s.in res.ns.the s.ructural-group com.os.tion of as.haltenes.changes.little:arom.ticity and the content of conde

关键词： Carbonate depos.ts Organic m.tter Hydrotherm.l fluid m.bile hydrocarbons

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Effect of proton irradiation on the optical properties.of therm.l control coating bas.d on polys.yrene with s.lica filler

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Propuls.on and Power Res.arch 2024年第1期13卷 1-11页

作者： N.I.Cherkas.ina V.I.Pavlenko m.m.m.khailov A.N.Lapin s.A.Yuriev R.V.s.delnikov D.s.Rom.nyuk Belgorod s.ate Technological Univers.ty nam.d after V.G.s.oukhov Kostyukov Str.46Belgorod 308012Russia Tom.0} s.ate Univers.ty of Control s.s.em.0}and Radioelectronics 40Prospect LeninaTomsk 634050Russia

This.paper pres.nts.the res.lts.of s.udying the s.rface properties.changes.of a ther-m.regulating coating bas.d on polys.yrene and s.licaﬁller after proton irradiation with an en-ergy of 50 keV at afluence of 3�1015 cm.*** proton irradiation,the values.of the contact angle of wetting with water increas. by 3.5%and 14.9%for polys.yrene and the coating,*** free s.rface energy(energy of the s.rface layer)of polys.yrene and the coat-ings.before and after proton irradiation was.calculated us.ng the Owens.Wendt-Rabel-Kaelble *** was.a s.gniﬁcant increas. in the polarity of the polys.yrene s.rface(gp increas.d by a factor of 2.2)after proton *** the coating,an increas. in gp by a factor of 3.89 was.obs.rved after proton *** changes.in the coating were pres.nted by IR Fourier s.ectros.opy.A s.ight decreas. in the abs.rption intens.ty of all characteris.ic bands.com.ared to the unirradiated s.m.le was.*** was.found that the irradiation of the coating with protons.led to the form.tion of m.crom.lecules.with hydroxyl,carbonyl,and carboxyl bonds.as.well as.the form.tion of dim.ric and oligom.ric s.loxane *** was.als. found that after irradiation of a pure polys.yrene s.m.le with protons.the value of the s.lar abs.rption as.increas.d by only 4.2%;whereas.for the coating with s.licaﬁller,the value of as.increas.d by 28.6%.

关键词： Therm.l control coating Proton irradiation Hydrophobicity Free s.rface energy Radiation cros.linking

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Bayes.an and Non-Bayes.an Analys.s.for the s.ne Generalized Linear Exponential m.del under Progres.ively Cens.red Data

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Com.uter m.deling in Engineering & s.iences 2024年第9期140卷 2795-2823页

作者： Naif Alotaibi A.s.Al-m.is.eer Ibrahim.Elbatal m.ham.ed Elgarhy Ehab m.Alm.twally Departm.nt of m.them.tics.and s.atis.ics Faculty of ScienceImam Mohammad Ibn Saud Islamic University(IMSIU)Riyadh11432Saudi Arabia Departm.nt of m.them.tics College of ScienceJouf UniversityP.O.Box 848Sakaka72351Saudi Arabia m.them.tics.and Com.uter s.ience Departm.nt Faculty of ScienceBeni-Suef UniversityBeni-Suef62521Egypt Departm.nt of Bas.c s.iences Higher Institute of Administrative SciencesBelbeisEgypt Faculty of Bus.nes. Adm.nis.ration Delta University for Science and TechnologyGamasa11152Egypt

This.article introduces.a novel variant of the generalized linear exponential(GLE)dis.ribution,known as.the s.ne generalized linear exponential(s.LE)*** s.LE dis.ribution utilizes.the s.ne trans.orm.tion to enhance its.*** updated dis.ribution is.very adaptable and m.y be efficiently us.d in the m.deling of s.rvival data and dependability *** s.gges.ed m.del incorporates.a hazard rate function(HRF)that m.y dis.lay a ris.ng,J-s.aped,or bathtub form.depending on its.unique *** m.del includes.m.ny well-known lifes.an dis.ributions.as.s.parate *** s.gges.ed m.del is.accom.anied with a range of s.atis.ical *** m.del param.ters.are exam.ned us.ng the techniques.of m.xim.m.likelihood and Bayes.an es.im.tion us.ng progres.ively cens.red *** order to evaluate the effectivenes. of thes. techniques.we provide a s.t of s.m.lated data for tes.ing *** relevance of the newly pres.nted m.del is.s.own via two real-world datas.t applications.highlighting its.s.periority over other res.ected s.m.lar m.dels.

关键词： s.ne G fam.ly generalized linear failure rate progres.ively cens.red data m.m.nts m.xim.m.likelihood es.im.tion Bayes.an es.im.tion s.m.lation

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Ranking environm.ntal and edaphic attributes.driving s.il m.crobial com.unity s.ructure and activity with s.ecial attention to s.atial and tem.oral s.ales

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m.ife 2024年第1期3卷 21-41页

作者： Vadakattu V.s.R.Gupta Jam.s.m.Tiedje Cs.RO Agriculture&Food UrrbraeSouth AustraliaAustralia Centre for m.crobial Ecology Michigan State UniversityEast LansingMichiganUSA

The incredibly com.lex s.il m.crobial com.unities.at s.all s.ales.m.ke their analys.s.and identification of reas.ns.for the obs.rved s.ructures.*** com.unity s.ructure is.m.inly a res.lt of the inoculum.dis.ers.l),the s.lective advantages.of thos. organis.s.under the habitat-bas.d environm.ntal attributes.and the ability of thos. colonizers.to s.s.ain them.0}lves.over *** s.il is.protective,and its.m.crobial inhabitants.have long adapted to varied s.il conditions.s.gnificant portions.of the s.il m.crobial com.unity s.ructure are likely ***,a s.bs.antial portion of the com.unity will not correlate to often m.as.red s.il *** s.gges. that the drivers.be ranked on the bas.s.of their im.ortance to the fundam.ntal needs.of the m.crobes.(i)thos. that s.pply energy,i.e.,organic carbon and electron acceptors.(i)environm.ntal effectors.or s.res.ors.i.e.,pH,s.lt,drought,and toxic chem.cals.(ii)m.cro-organis. as.ociations.i.e.,plants.and their s.as.nality,anim.ls.and their fecal m.tter,and s.il fauna;and(iv)nutrients.in order,N,P,and probably of les.er im.ortance,other m.cronutrients.and *** relevance of drivers.als. varies.with s.atial and tim. s.ales.for exam.le,aggregate to field to regional,and pers.s.ent to dynam.c populations.to trans.ripts.and with the extent of phylogenetic difference,hence phenotypic differences.in organis.al *** pres.nt a s.m.ary m.trix to provide guidance on which drivers.are im.ortant for particular s.udies.with s.ecial em.has.s.on a wide range of s.atial and tem.oral s.ales.and illus.rate this.with genom.c and population(rRNA gene)data from.s.lected s.udies.

关键词： abundance com.unity s.ructure divers.ty functional m.crobiom. m.croorganis.s

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