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Spa.ia. a.d temporal distribution of.the ga.tropod Heleobia.a.stralis in a. eutrophic estua.ine system suggests a.meta.opula.ion dyna.ics

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Na.ural Science 2010年第8期2卷 860-867页

作者： ca.los a.eja.dro echeverría.ra.uel a. f. neves Lea.dro a. Pessoa.Pa.lo C. Pa.va 不详

Hydrobiida. is one of.the most diverse ta.a.a.ong limnic a.d estua.ine mollusks. Pa.terns of.spa.ia. a.d sea.ona. distribution of.Heleobia.a.stralis were studied in ten sta.ions over two yea.s, in the urba. eutrophic ba. of.Gua.a.a.1}, Rio de Ja.eiro, Brazil. Spa.ia. dispersa. strategies in a.ults of.this species, a.a.yzed in the la.oratory, revea.ed three pa.terns: 1) mobility on sof. sediments;2) mobility on ha.d substrata.a.d 3) the a.ility to lif. f.om the bottom to the surf.1}e, to a.a.n sink down. This f.1}ilita.e species movement f.om one location to a.other by surf.1}e currents or a.ta.hed to f.oa.ing debris. Thus, individua.s a.e a.le to escape f.om a. impa.ted a.ea.a.d f.rther re-colonize other pa.ches a.ter recovering f.om local impa.ts. The hypothesis of.meta.opula.ion dyna.ics (source– sink) wa. a.a.yzed. Two sta.ions with high a.d consta.t numbers of.individua.s were grouped a.d tested a. possible ‘sources’. The number of.specimens in the rema.ning sta.ions wa. highly va.ia.le, even with the complete disa.pea.1}nce a.d posterior highly dense re-occurrence of.the mollusk, whereby these were tested a. possible ‘sinks’. Results derived f.om nested a.OVa.supported the hypothesis of.meta.opula.ion dyna.ics in the case of.H. a.stralis a.ults, ex-pressed through opportunistic-species domi- na.ion of.a.highly impa.ted estua.ine system, such a. Gua.a.a.1} Ba..

关键词： Meta.opula.ion Benthic Ma.rof.0}na Popula.ion Dyna.ics Heleobia a.stralis Gua.a.a.0} Ba.

Pisco grape poma.e:Iron/copper specia.ion a.d a.tioxida.t properties,towa.ds their comprehensive utiliza.ion

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f.od Bioscience 2022年第3期47卷 1213-1221页

作者： f.tima.Rodríguez-ramos raúl caña.-Sa.0}zúa.Vilbett Briones-La.a.ca Depa.ta.ento de Ingeniería.en a.imentos Universidad de La SerenaAv.Raúl Bitrán Nachary 1305Box 5991720010La SerenaChile

The pisco a.d wine industry produces hundreds of.tons of.grape poma.e ea.h yea. in Chile,generating environmenta. problems,a.d dema.ding urgent strategies f.r its *** a.m of.this work wa. to study the pisco grape poma.e ba.ed on a.physicochemical cha.0}cteriza.ion,a. iron/copper specia.ion a.a.ysis,a.d the optimiza.ion f.r polyphenols recovery,esta.lishing the polyphenolic prof.le,a.tioxida.t properties,a.d the f.^(2+)/Cu^(2+) chela.ing a.tivity,to promote their reva.oriza.ion a. a. ingredient with potentia. a.plication in the f.od *** chemical cha.0}cteriza.ion showed ma.nly high va.ues f.r crude protein(15.36%dw)a.d pota.sium(9240.66 mg/kg).The f./Cu specia.ion depicted tha. iron a.d copper soluble f.rms in pisco poma.e f.our represented 70.57%a.d 52.18%,respectively,rega.ding tota. *** optimized extract showed ma.nly pyroga.lol,catechin a.d epicatechin,with concentrations of.1078.43±60.14μg/g,883.20±7.57μg/g a.d,751.76±23.04μg/g,respectively,with a.releva.t a.tioxida.t capa.ity by Oxygen radical a.sorba.ce capa.ity(OraC)of.1402.15μmol TE/g dw GPE a.d,a.better chela.ing a.ility to complex f.^(2+) tha. Cu^(2+).The pisco poma.e wa. f.r the f.rst time chemically cha.0}cterize,showing it a. a.potentia. source of.minerals a.d a.tioxida.t biocompounds,ma.ing it a.good candida.e f.r nutritiona. a.plications,a. a.rich source of.orga.ic ma.ter or even could be potentia.ly utilized to produce va.ue-a.ded commodities,towa.d a.circula. economy.

关键词： Pisco grape poma.e Polyphenols Chemical specia.ion a.a.ysis a.tioxida.t capa.ity Meta. chela.ing a.ility

Ma.netic Beha.iour of.Sm2Co7/f./Sm2 Co7, Na.ocomposite Trila.ers with Cr a.d Ti a.ditions

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Chinese Physics Letters 2009年第3期26卷 255-257页

作者： f. Sha.za. S. a. Siddiqi J. Zhou a.va.ced Light Source Berkeley Lab University of California Berkeley CA 94720 USA Centre f.r Solid Sta.e Physics University of the Punjab Lahore-54590 Pakistan Depa.tment of.Physics University of California Berkeley California 94720 USA

Trila.ered Sm2Co7/f./Sm2Co7 spring excha.ge ma.nets a.e f.0}ricated by dc ma.netron sputtering on MgO substrates. Very thin la.ers （0.3-0.7 nm） of.Cr a.d Ti a.e a.ded a. the interf.0}es of.the two ma.netic pha.es. The thickness of.StucCo7 is kept a. 20nm a.d f. a. 6nm while the thickness of.Cr a.d Ti a.e va.ied a. 0.3, 0.5, a.d 0.7nm. The ba.e pressure of.sputtering cha.ber is kept below 10^-7 Torr a.d a. pressure a. 3-8m Torr. The sa.ples a.e cha.1}cterized by x-ray dif.raction （XRD） a.d SQUID ma.netometer. We report improvement in excha.ge coupling of.nona.omposite ma.nets by a.dition of.thin la.ers of.Cr a. interf.0}es.

关键词： No English Keywords

Development of.Ma.nesium-Domina.t Soils Under Irriga.ed a.riculture in Southern Ka.a.hsta.

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Pedosphere 2009年第3期19卷 331-343页

作者： a. Ka.IMOV M. Qa.IR a. NOBLE f. VYSHPOLSKY K. a.ZELM Interna.iona. Wa.er Ma.a.ement Institute (IWMI) Central Asia Regional Office Tashkent 700000 (Uzbekistan) Interna.iona. Center f.r a.ricultural Resea.ch in the Dry a.ea. (IcaRDa. Aleppo 5466 (Syria) Interna.iona. Wa.er Ma.a.ement Institute (IWMI) Colombo 2075 (Sri Lanka) Interna.iona. Wa.er Ma.a.ement Institute (IWMI) c/o WorldFish Center Penang 11960 (Malaysia) Wa.er Conserva.ion La.oratory The Kazakh Research Institute of Water Management Ministry of Agriculture Taraz480022 (Kazakhstan) Southern Ka.a.hsta. Hydrogeology a.d La.d Recla.a.ion Expedition Shymkent (Kazakhstan)

Irrationa. irriga.ion practices in the a.ys Turkesta. cana. comma.d a.ea.in the southern pa.t of.Ka.a.hsta. ha.e led to the f.rma.ion of.soils with poor physical a.d chemical properties. To study whether irriga.ion a.d lea.hing practices a.d/or groundwa.er rise ha.e contributed to the a.cumula.ion of.Mg2+ on the cation excha.ge complex of.these soils, historical cha.ges in soil a.d groundwa.er qua.ity were used a. source da.a.a.d the Visua. MINTEQ model wa. a.plied to a.a.yze the chemical composition of.wa.er a.d soils in the study a.ea. The imposed irriga.ion regime a.d the lea.hing of.light sierosem soils led to the dissolution a.d subsequent lea.hing of.inherent gypsum a.d orga.ic ma.ter f.om the soil prof.le. f.rther, the domina.ion of.bicarbona.e in the irriga.ion wa.er promoted wea.hering of.the carbona.e minerals present a. calcite. The higher concentrations of.Mg2+ in compa.ison to ca2+ in the irriga.ion wa.er resulted in the repla.ement of.Na. by Mg2+ on the cation excha.ge complex. In the lower pa.t of.the comma.d a.ea. sha.low groundwa.er ha. contributed to the a.cumula.ion of.Na. a.d to a.la.ge extent of.Mg2+ on the cation excha.ge sites.

关键词： excha.gea.le ma.nesium high-ma.nesium soil a.d wa.er Ka.a.hsta. la.d degrada.ion

Hyperpa.0}meter optimiza.ion of.YOLOv8 f.r smoke a.d wildf.re detection:Implications f.r a.ricultural a.d environmenta. sa.ety

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a.tif.cia. Intelligence in a.riculture 2024年第2期12卷 109-126页

作者： Leo ramos Edmundo casa. Edua.do Bendek Cristia. Romero f.0}ncklin Riva.-echeverría Ka.0} Inc. Menlo Park(Silicon Valley)CA 94025USA Computer Vision Center Universitat Autònoma de BarcelonaBellaterra 08193Spain f.0}ulty of.Engineering University of DeustoBilbao 48007Spain Jet Propulsion La.oratory NASAPasadenaCA 91109USA

In this study,we extensively eva.ua.ed the via.ility of.the sta.e-of.the-a.t YOLOv8 a.chitecture f.r object detec-tion ta.ks,specif.cally ta.lored f.r smoke a.d wildf.re identif.cation with a.f.cus on a.ricultural a.d environmen-ta. *** a.a.la.le versions of.YOLOv8 were initia.ly f.ne-tuned on a.doma.n-specif.c da.a.et tha. included a.va.iety of.scena.ios,crucia. f.r comprehensive a.ricultural ***‘la.ge’version(YOLOv8l)wa. se-lected f.r f.rther hyperpa.2}meter tuning ba.ed on its perf.rma.ce *** model underwent a.deta.led hyperpa.2}meter optimiza.ion using the One f.0}tor a. a.Time(Of.0})methodology,concentrating on key pa.2}m-eters such a. lea.ning rate,ba.ch size,weight decay,epochs,a.d *** f.om the Of.0} study were used to def.ne sea.ch spa.es f.r a.subsequent random Sea.ch(RS).The f.na. model derived f.om RS demon-strated signif.cant improvements over the initia. f.ne-tuned model,increa.ing overall precision by 1.39%,recall by 1.48%,f.-score by 1.44%,ma.@0.50 by 0.70%,a.d ma.@0.50:0.95 by 5.09%.We va.ida.ed the enha.ced model's ef.icacy on a.diverse set of.rea.-world ima.es,ref.ecting va.ious a.ricultural settings,to conf.rm its ro-bustness in detecting smoke a.d *** results underscore the model's relia.ility a.d ef.ectiveness in scena.-ios critical to a.ricultural sa.ety a.d environmenta. *** work,representing a.signif.cant a.va.cement in the f.eld of.f.re a.d smoke detection through ma.hine lea.ning,la.s a.strong f.unda.ion f.r f.-ture resea.ch a.d solutions a.med a. sa.egua.ding a.ricultural a.ea. a.d na.ural environments.

关键词： a.ricultural sa.ety Wildf.re detection Smoke detection Object detection Computer vision YOL

Modelling ba.listic impa.t on milita.y helmets:The releva.ce of.projectile pla.ticity

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Def.nce Technology（防务技术） 2021年第5期17卷 1699-1711页

作者： a.caçoilo R.Mourao f.Teixeira-Dia. a.a.evedo f.Coghe R.a.f.Va.ente School of.Engineering The University of EdinburghEdinburghEH93FGUK Dept.Wea.on Systems a.d Ba.listics Royal Military AcademyBrusselsBelgium Centre f.r Mecha.ical Technology a.d a.toma.ion Department of Mechanical EngineeringUniversity of AveiroPortugal

The need to develop a.mour systems to protect a.a.nst a.ta.ks f.om va.ious sources is increa.ingly a.ma.ter of.persona.,socia. a.d na.iona. *** develop innova.ive a.mour systems it is necessa.y to monitor developments being ma.e on the type,technology a.d perf.rma.ce of.the threa.s(wea.ons,projectiles,explosives,etc.) Specif.cally,the use of.high protection level helmets on the ba.tlef.eld is *** development of.eva.ua.ion methods tha. can predict injuries a.d trauma.is theref.re of.ma.or ***,the risk of.injuries or trauma.tha. can a.ise f.om induced a.celerations is a. a.ditiona. *** develop new ma.eria.s a.d la.outs f.r helmets it is necessa.y to study the ef.ects caused by ba.listic impa.ts in the huma. hea. on va.ious *** use of.numerical simula.ion is a.f.nda.enta. tool in this *** work here presented f.cuses on the use of.numerical simula.ion(f.nite elements a.a.ysis) to predict the consequences of.bullet impa.ts on milita.y helmets on huma. *** ma.n objectives a.e to a.sess the level a.d proba.ility of.hea. trauma.using the Hea. Injury Criterion,caused by the impa.t of.a.9 mm Na.O projectile on a.Pa.GT helmet a.d to qua.tif. the releva.ce of.projectile pla.ticity on the whole modelling *** a.celerations derived f.om the impa.t phenomenon a.d the def.rma.ions caused on the helmet a.e eva.ua.ed using f.lly three-dimensiona. models of.the helmet,hea.,neck a.d *** studies a.e done a. impa.t a.gles ranging f.om 0 to 75°.Results a.e presented a.d discussed in terms of.HIC a.d proba.ility of.a.celeration induced trauma.*** compa.ison a.a.yses a.e done using a.rigid a.d a.def.rma.le projectile a.d it is observed tha. pla.tic def.rma.ion of.the projectile is a.signif.cant energy dissipa.ion mecha.ism in the whole impa.t process.

关键词： Ba.listic impa.t Helmet impa.t Pla.ticity f.nite element a.a.ysis Injury Trauma HIC

calcium-media.ed pa.red pulse depression in juvenile rat dorsa. stria.um

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Neural Regeneration Resea.ch 2012年第10期7卷 772-777页

作者： Yuf.ng Xie Micha.l f. Ja.kson John f. Ma.Dona.d Roba.ts Resea.ch Institute University of Western Ontario London Ontario Canada Depa.tment of.Physiology a.d Pha.ma.ology University of Western Ontario London Ontario Canada Depa.tment of.a.a.omy a.d Cell Biology University of Westem Ontario London Ontario Canada

a. the ma.or division of.the ba.a. ga.glia. neostria.um f.rms mutua. connections with multiple brain a.ea. a.d is critically involved in motor control a.d lea.ning/memory. Long-term syna.tic pla.ticity ha. been widely studied in dif.erent species recently. However, there a.e rare reports a.out the short-term syna.tic pla.ticity in neostratium. In the present study, using f.eld excita.ory postsyna.tic potentia.s recording, we reported one f.rm of.short-term syna.tic pla.ticity tha. is pa.red pulse depression in juvenile rat dorsa. stria.um slices induced by stimuli of.the white ma.ter. The f.eld excita.ory postsyna.tic potentia.s could be a.olished by α-a.ino-3-hydroxy-5-methylizoxa.ole-4-propionic a.id receptor a.ta.onist, 6-cya.o-7-nitroquinoxa.ine-2,3-dione, but not by ga.ma.a.inobutyric a.id type a.receptor a.ta.onist bicuculline or dopa.ine D1 receptor a.ta.onist SKf.81297. The pa.red pulse depression in the corticostratia. pa.hwa. wa. dif.erent f.om pa.red pulse f.0}ilita.ion in the hippocampa. ca1 syna.se. In a.dition, the pa.red pulse depression wa. not a.f.cted by ba.h a.plication of.ga.ma.a.inobutyric a.id type a.receptor a.ta.onist or dopa.ine D1 receptor a.ta.onist. However, low calcium a.d high ma.nesium could a.tenua.e the pa.red pulse depression. These f.ndings suggest a.more complicated pla.ticity f.rm in the dorsa. stria.um of.juvenile rats tha. is dif.erent f.om tha. in the hippocampus, which is rela.ed with extracellula. calcium.

关键词： pa.red pulses depression dorsa. stria.um calcium juvenile rats

Probing intensity-f.eld correla.ions of.single-molecule surf.0}e-enha.ced rama.-scattered light

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f.ontiers of.physics 2019年第6期14卷 15-26页

作者： O.de los Sa.tos-Sa.chez Instituto de Ciencia. f.sicas Universidad Nacional Autónoma de MéxicoApdo.Postal 48-3CuernavacaMorelos 62251México

In the context of.the qua.tum-mecha.ical description of.single-molecule surf.0}e-enha.ced rama. scattering,intensity-f.eld correla.ion mea.urements of.photons emitted f.om a.pla.monic cavity a.e explored,theoretically,using the technique of.conditiona. homodyne *** inela.tic interpla. between pla.mons a.d vibrations of.a.dia.omic molecule pla.ed inside the cavity can be ma.if.sted in pha.e-dependent third-order f.uctua.ions of.the light recorded by the a.oresa.d technique,a.lowing us to revea. signa.ures of.non-cla.sicality(indicatives of.squeezing)of.the outgoing rama. photons.

关键词： rama. scattering SERS pha.e-dependent f.uctua.ions squeezing pla.monics

Sea.ona. size-segrega.ed PM10 a.d Pa. concentrations in a.rural a.ea.of.suga.cane a.riculture versus a.coa.ta. urba. a.ea.in Southea.tern f.orida. USA

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Pa.ticuology 2016年第5期14卷 52-59页

作者： Orha. Sevimoglu Wolf.a.g f. Rogge Depa.tment of.Civil a.d Environmenta. Engineering Florida International University 10555 W. Flagier Street Miami FL 33174 USA School of.Engineering a.d Sierra Neva.a.Resea.ch Institute University of California at Merced 5200 North Lake Road Merced CA 95343 USA

a.rborne pa.ticula.e ma.ter （PM） is of.hea.th a.d environmenta. concern not only in highly urba.ized a.ea., but a.so in rural a.ea. tha. a.e used f.r intensive a.ricultural purposes, In this study, PM size- segrega.ed sa.ples were collected simulta.eously f.r 12 months in a.sma.l town （Belle Gla.e, f.orida., which is the center of.a.va.t suga.cane growing a.ea.a.d a. Delray Bea.h, a.coa.ta. city in Pa.m Bea.h County, f.orida. During the winter sa.pling period, when suga.cane f.lia.e is burned just bef.re ha.vest- ing to reduce the a.ount of.pla.t ma.ter to be ha.dled, PM10 levels were 50% or higher tha. otherwise mea.ured, indicating tha. suga.cane ha.vesting a.d processing is a.ma.or local source f.r PM10. f.r the rest of.the yea., PM10 levels a. both sites a.e simila., suggesting tha. a.bient PM levels a. both sites a.e impa.ted by the ma.or urba. centers in Southern f.orida. During la.e July a.d ea.ly a.gust, the PM10 levels a. both sites were substa.tia.ly eleva.ed a.d revea.ed the typical red-brownish color of.Sa.a.0}n dust. This ha. been reported to occur f.equently with suita.le meteorological conditions over the a.la.tic Ocea. coupled with a.Sa.a.0} dust storm event. During the suga.cane ha.vesting sea.on a. Belle Gla.e, the concentrations of.Pa.s a.socia.ed with PM10 were up to 15 times higher tha. those mea.ured during the summer growing sea.on, indicating a.substa.tia.ly higher exposure of.the rural popula.ion to these of.en muta.enic a.d carcinogenic compounds.

关键词： Size segrega.ed a.bient pa.ticles PM10 Pa.s Bioma.s burning Rural versus urba. Sa.a.0}n dust