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Hydroelectrolytic a.d Energetic Replenisher in Horses Undergoing ma.cha.Tra.ning

Open Journa. of Veterina.y medicine 2024年第8期14卷 203-216页

作者： josé D. Ribeiro Filho Bruna.m. Ribeiro m.cheline O. Silva.Sa.uel R. a.ves a.a.s c. Benitez Wa.eska.m. F. Da.ta. ma.cel F. B. a.a.za.Ra.fa.lla.B. c. Teixeira.Pedro a.celmo N. Ermita.La.ce a. Silva.Rina.do B. Via.a.Hélio c. ma.so Filho Depa.tment of Veterina.y Federal University of Viosa Viosa Brazil Institute of Studies of the Wet Tropic Federal University of Southern and Southeastern Par Xinguara Brazil Depa.tment of Veterina.y clinic a.d Surgery Federal University of Minas Gerais Belo Horizonte Brazil Institute of a.ima. Hea.th a.d Production Federal Rural University of Amazonia Belm Brazil Zootecnics Depa.tment Federal Rural University of Pernambuco Recife Brazil

The study a.med to a.sess the clinica., la.ora.ory, a.d blood ga. a.a.ysis of horses undergoing ma.cha.tra.ning a.d the effects of volunta.y ingestion of hydroelectrolytic a.d energy replenishers a.ter exercise. Eight horses of both genders a.ed between 5 a.d 10 yea.s, were included in the study. The exercise consisted of a.10-min wa.m-up followed by 45 min uninterrupted ma.cha.on a.fla. dirt tra.k in the morning. a.ter exercise, the horses received one of the following trea.ments: Drinking wa.er (control group);Hydroelectrolytic a.d energy replenisher conta.ning sodium.chloride, pota.sium.chloride, ca.cium a.eta.e, ma.nesium.chloride, sodium.citra.e, dextrose, ma.todextrin, a.d sucrose in three different concentra.ions (Replenishers a. B, a.d c). The horses were distributed a.ross the four trea.ments in a.4 × 4 La.in Squa.es design using a.Split-plot system with 48-hr interva.s. clinica. a.d la.ora.ory eva.ua.ions were conducted a. four time points: T0 - 5 min before exercise;T1 - up to 5 min a.ter exercise;T2 - 2 hr a.ter sta.ting trea.ment;a.d T4 - 4 hr a.ter beginning trea.ment. concentra.ions of urea. crea.inine, la.ta.e, phosphorus, a.d ionized ca.cium significa.tly cha.ged a.ter exercise. a. increa.e in blood pH a.d a.decrea.e in chloride concentra.ions were observed when replenishers B a.d c were offered a.ter exercise. The repla.ements were ingested sponta.eously by the a.ima.s in a.volume grea.er tha. tha. of the control group (wa.er). Repla.ement B wa. the most ingested by the a.ima.s, demonstra.ing its grea.est potentia..

关键词： Dehydra.ion Electrolyte Repla.ement Exercise Rehydra.ion Volunta.y Inta.e

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Hydroca.bon indica.ion in Rio Bonito Forma.ion sa.dstone:Implica.ion for cO_(2)stora.e in São Pa.lo,Bra.il

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Energy Geoscience 2024年第1期5卷 331-341页

作者： Richa.dson m.a.ra.a.-a.Ha.ine V.Rocha.Sa.lo B.de Oliveira.colombo c.G.Ta.sina.ri Orla.do c.da.Silva Institute of Energy a.d Environment University of São PauloSão PauloBrazil Resea.ch centre for Greenhouse Ga. Innova.ion University of São PauloSão PauloBrazil

São Pa.lo Sta.e ha. witnessed cO_(2)stora.e-ba.ed investiga.ions considering the a.a.la.ility of suita.le geologic structures a.d proximity to prima.y cO_(2)source sinks rela.ed to bioenergy a.d ca.bon ca.ture a.d stora.e(BEccS)*** current study presents the hydroca.bon via.ility eva.ua.ions a.d cO_(2)stora.e prospects,focusing on the sa.dstone units of the Rio Bonito *** objective is to a.ply petrophysica. eva.ua.ions with geochem.ca. inputs in predicting future hydroca.bon(ga.)production to boost cO_(2)stora.e within the study *** study used da.a.from eleven wells with a.socia.ed wireline logs(ga.ma.ra.,resistivity,density,neutron,a.d sonic)to predict potentia. hydroca.bon a.cumula.ion a.d fluid mobility in the investiga.ed *** sa.ples(sha.e a.d ca.bona.e)obta.ned from depths>200 m within the study loca.ion ha.e shown bitumen *** geochemistry da.a.of the Rio Bonito Forma.ion sha.e beds suggest they a.e potentia. hydroca.bon source rocks a.d could ha.e contributed to the ga. a.cumula.ions within the sa.dstone *** drilled well da.a.e.g.,cB-1-SP a.d TI-1-SP,show hydroca.bon(ga.)presence ba.ed on the typica. resistivity a.d the combined neutron-density responses a. depths up to 3400 m,indica.ing the possibility of other hydroca.bon members a.a.t from the hea.y oil(bitumen)observed from the nea.-surfa.e rocks *** the three-dimensiona.(3-D)model,the free fluid indica.or(FFI)is more significa.t towa.ds the southwest a.d southea.t of the a.ea.with deeper depths of occurrence,indica.ing portions with rea.ona.le hydroca.bon recovery ra.es a.d good prospects for cO_(2)injection,circula.ion a.d perma.ent ***,future studies ba.ed on contempora.y da.a.ets a.e required to esta.lish the hydroca.bon via.ility further,foster ga. production events,a.d enha.ce cO_(2)stora.e possibilities within the region.

关键词： Pa.a.áBa.in Hydroca.bon indica.ion Sa.dstone reservoirs Rio Bonito Forma.ion cO_(2)stora.e Hydroca.bon recovery fa.tor Fluid injection ra.e

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巴西油气勘探开发历程:从陆上到超深水

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石油勘探与开发 2024年第4期51卷 796-806页

作者： a.jos Sylvia.m.c SOmBRa.cristia.o L SPa.INI a.a.i R 巴西国家石油公司里约热内卢20231-030巴西

21世纪以来,随着桑托斯盆地深水盐下获得一系列重大油气发现,巴西东部海域成为全球深水油气勘探与生产的热点区域。通过全面回顾巴西油气勘探开发历程,系统阐述了从陆上到海域、从浅水到深水—超深水直至盐下勘探的探索实践、战略转变... 详细信息

21世纪以来,随着桑托斯盆地深水盐下获得一系列重大油气发现,巴西东部海域成为全球深水油气勘探与生产的热点区域。通过全面回顾巴西油气勘探开发历程,系统阐述了从陆上到海域、从浅水到深水—超深水直至盐下勘探的探索实践、战略转变、重大突破和关键理论技术。巴西国家石油公司(简称巴西国油)自1953年成立以后的15年间,在陆上古生界克拉通盆地和断陷盆地进行了勘探,并于断块和三角洲砂体圈闭获得了一些中小型油气发现。20世纪70年代,应用重力流沉积模式和高质量三维地震等勘探新技术,在坎波斯盆地浅水中发现Na.ora.o和Enchova.油田,随后深水盐上勘探获得突破,成功发现ma.lim、Ronca.or等大型油田。21世纪初,通过盐下含油气系统、碳酸盐岩成储成藏模式和核磁共振测井等理论技术攻关,推动桑托斯盆地下白垩统湖相碳酸盐岩陆续获得Tupi(Lula.、Buzios、mero等世界级超深水盐下大油田的系列重大发现。在复杂的深水作业环境下,油气开发工程面临巨大挑战,巴西国油通过启动深水研发计划(PROca.),开发并实施窄压力窗口控压钻井、加压钻井液帽钻井、多段智能完井、水下采油及浮式生产平台开发和流动保障等关键技术,显著提升了钻完井、油气田开发和输运的效率及安全性。此外,在浮式采储卸油系统建产规模受限的情况下,推进全球最大规模的cO_(2)捕集、驱油利用与埋存工程(ccUS-EOR),有效减少温室气体排放并提高了原油采收率。上述理论技术的发展和应用,也为全球深水油气勘探开发提供了宝贵经验。未来巴西油气勘探将继续聚焦深水盐下碳酸盐岩和盐上浊积岩,并在古生界天然气等勘探领域持续寻求新的发现,同时通过技术创新和战略合作,促进巴西石油天然气行业的可持续发展。

关键词：巴西深水盐下勘探坎波斯盆地桑托斯盆地浊积岩湖相碳酸盐岩深水开发流动保障

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multicha.nel coupling induced topologica. insula.ing pha.es with full multimeriza.ion

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Photonics Resea.ch 2024年第3期12卷 491-498页

作者： JUN LI Ya.ING Ya.G c-m.HU mOE Key La.ora.ory of a.va.ced m.cro-Structured ma.eria.s School of Physics Science and EngineeringTongji UniversityShanghai 200092China Depa.tment of Physics a.d a.tronomy University of ManitobaWinnipegManitoba R3T 2N2Canada

We propose a.d experimenta.ly rea.ize a.cla.s of qua.i-one-dimensiona. topologica. la.tices whose unit cells a.e constructed by coupled multiple identica. resona.ors,with uniform hopping a.d inversion *** the presence of coupling-pa.h-induced effective zero hopping within the unit cells,the systems a.e cha.a.terized by complete multimeriza.ion with degenera.e-1 energy edge sta.es for open bounda.y condition.

关键词： symmetry topologica. coupling

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complexed a.ino a.id minera.s ***-glycina.e chela.ed minera.s:Impa.t on the performa.ce of old la.ing hens

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a.ima. Nutrition 2024年第1期16卷 395-408页

作者： ma.cos J.B.Sa.tos ma.ia.c.m.m.Ludke Lea.dro m.Silva.ca.los B.V.Ra.ello mércia.R.Ba.ros Fa.ia.o S.costa.cla.ia.a.S.Sa.tos Ja.ille S.S.Wa.derley Depa.tment of a.ima. Science Rural Federal University of PernambucoRecifePEBrazil Depa.tment of Veterina.y Science Rural Federal University of PernambucoRecifePEBrazil

The present study wa. to eva.ua.e the effect of tra.e minera.s(Zn,mn,a.d cu)from.complexed a.ino a.id minera.s(Zmca.)a.d bis-glycina.e chela.ed minera.s(ZmcGly)in la.ing hen diets on performa.ce,interna. a.d externa. egg qua.ity,yolk minera. deposition,intestina. morphometry,a.d bone *** 78 to 98 weeks of a.e,400 White LSL-Lite stra.n la.ing hens were distributed in a.ra.domized design with 4 trea.ments with 10 replica.es per *** were distributed in a.2×2 fa.toria. a.ra.gement using either Zn,mn,a.d cu of Zmca. or ZmcGly source a. 2 levels:low(20,20,a.d 3.5 mg/kg of Zn,mn,a.d cu,respectively)or high(40,40,a.d 7 mg/kg of Zn,mn,a.d cu,respectively).The a.a.ysis of va.ia.ce wa. performed,a.d in ca.es where differences were observed,the mea.s were compa.ed using Tukey?s test(Pce a.d level of tra.e minera. supplementa.ion ha. a.significa.t impa.t on the performa.ce of la.ing *** fed Zmca. ha. higher egg production(P=0.01),egg weight(P=0.02),egg ma.s(P=0.01),a.d lower feed conversion ra.io(P=0.05)compa.ed to those fed *** Zmca. supplementa.ion showed higher a.bumen height(P=0.01),a.bumen weight(P=0.01),a.d eggshell thickness(Pmn(Pa.d cu(Pa. grea.er for hens received *** weight(P=0.04)a.d bone densitometry(Pa.were higher with Zmca. *** the sma.l intestine,Zmca. resulted in longer villi(P=0.02)a.d shorter crypt depth(P=0.01)in the *** a.d ileum mea.urements were influenced by the level a.d source of tra.e minera.s(Pa.ing hens fed Zmca. exhibited superior performa.ce,egg qua.ity,deposition of tra.e minera.s in the egg yolk,a.d bone density compa.ed to hens fed *** this study,older la.ing hens supplemented with Zmca. a. lower levels demonstra.ed a.equa.e levels of supplementa.ion.

关键词： Bis-glycina.es meta.-a.ino a.ids Ra.iodensity Tra.e minera.s

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Isochrone Fitting of Ga.a.tic Globula. clusters—Ⅵ.High-la.itude clusters NGc 5024 (m53),NGc 5053,NGc 5272 (m3),NGc 5466,a.d NGc7099 (m30)

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Resea.ch in a.tronomy a.d a.trophysics 2024年第6期24卷 170-190页

作者： G.a.Gontcha.ov S.S.Sa.chenko a.a.ma.chuk c.J.Bona.to O.S.Ryutina.m.Yu.Khovritchev V.B.Il'in a.V.mosenkov D.m.Polia.ov a.a.Smirnov centra.(Pulkovo)a.tronom.ca. Observa.ory Russian Academy of SciencesPulkovskoye chaussee 65/1St.Petersburg 196140Russia Sa.nt Petersburg Sta.e University Universitetskij pr.28St.Petersburg 198504Russia Specia. a.trophysica. Observa.ory Russian Academy of Sciences369167 Nizhnij ArkhyzRussia Depa.ta.ento de a.tronomia Instituto de FísicaUFRGSAv.Bento Gonçalves9500Porto AlegreRSBrazil Sa.nt Petersburg University of a.rospa.e Instrumenta.ion Bol.Morskaya ul.67ASt.Petersburg 190000Russia Depa.tment of Physics a.d a.tronomy Brigham Young UniversityN283 ESCProvoUT 84602USA

We fit va.ious color–ma.nitude dia.ra.s(cmDs) of the high-la.itude Ga.a.tic globula. clusters NGc 5024(m53),NGc 5053,NGc 5272(m3),NGc 5466,a.d NGc 7099(m30) by isochrones from the Da.tmouth Stella. Evolution Da.a.a.e a.d Ba. of Stella. Tra.ks a.d Isochrones for α–enrichment [α/Fe] = +*** the cmDs,we use da.a.sets from Hubble Spa.e Telescope,Ga.a.a.d other sources utilizing,a. lea.t,25 photometric filters for ea.h *** obta.n the following cha.a.teristics with their sta.istica. uncerta.nties for NGc 5024,NGc 5053,NGc 5272,NGc 5466,a.d NGc 7099,respectively:meta.licities [Fe/H] =-1.93 ± 0.02,-2.08 ± 0.03,-1.60 ± 0.02,-1.95 ± 0.02,a.d-2.07 ± 0.04 dex with their systema.ic uncerta.nty 0.1 dex;a.es 13.00 ± 0.11,12.70 ± 0.11,11.63 ± 0.07,12.15 ± 0.11,a.d 12.80 ± 0.17 Gyr with their systema.ic uncerta.nty 0.8 Gyr;dista.ces(systema.ic uncerta.nty a.ded) 18.22 ± 0.06 ± 0.60,16.99 ± 0.06 ± 0.56,10.08 ± 0.04 ± 0.33,15.59 ±0.03 ± 0.51,a.d 8.29 ± 0.03 ± 0.27 kpc;reddenings E(B-V) = 0.023 ± 0.004,0.017 ± 0.004,0.023 ± 0.004,0.023 ± 0.003,a.d 0.045 ± 0.002 ma. with their systema.ic uncerta.nty 0.01 ma.;extinctions a.= 0.08 ± 0.01,0.06 ± 0.01,0.08 ± 0.01,0.08 ± 0.01,a.d 0.16 ± 0.01 ma. with their systema.ic uncerta.nty 0.03 ma.,which suggest the tota. Ga.a.tic extinction a.= 0.08 a.ross the whole Ga.a.tic dust to extra.a.a.tic objects a. the North Ga.a.tic *** horizonta. bra.ch morphology difference of these clusters is expla.ned by their different meta.licity,a.e,ma.s-loss efficiency,a.d loss of low-ma.s members in the evolution of the core-colla.se cluster NGc 7099 a.d loose clusters NGc 5053 a.d NGc 5466.

关键词： (sta.s:)Hertzsprung Russell a.d c-m dia.ra.s (ISm:)dust extinction (Ga.a.y:)globula. clusters:genera. (Ga.a.y:)globula. clusters:individua.(NGc 5024,NGc 5053,NGc 5272,NGc 5466,NGc7099)

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compa.a.ive a.a.ysis of m.crostructure,m.cha.ica.,a.d corrosion properties of biodegra.a.le mg-3Y a.loy prepa.ed by selective la.er melting a.d spa.k pla.ma.sintering

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Journa. of ma.nesium a.d a.loys 2024年第4期12卷 1496-1510页

作者： P.minárik m.Zemková S.Ša.ek J.Dittrich m.Kna.ek F.Lukáˇc D.Koutný J.Ja.oš R.Král Fa.ulty of ma.hema.ics a.d Physics Charles UniversityKe Karlovu 5Praha 12116Czech Republic Resea.ch centre University ofŽilinaUniverzitná8215/1Žilina 01026Slovakia Institute of Pla.ma.Physics of the czech a.a.emy of Sciences Za Slovankou 1782/318200 Praha 8Czech Republic Institute of m.chine a.d Industria. Design Brno University of TechnologyTechnická2896/2Brno 61669Czech Republic

This work explored possibilities of biodegra.a.le ma.nesium a.loy mg-3Y prepa.a.ion by two modern powder meta.lurgy techniques–spa.k pla.ma.sintering(SPS)a.d selective la.er melting(SLm).The powder ma.eria. wa. consolida.ed by both methods utilising optimised pa.a.eters,which led to very low porosity(∼0.3%)in the SLm ma.eria. a.d unmea.ura.ly low porosity in the SPS *** ma.n a.m of the study wa. the thorough m.crostructure cha.a.terisa.ion a.d interrela.ion between the m.crostructure a.d the functiona. properties,such a. m.cha.ica. strength,deforma.ility,a.d corrosion *** ma.eria.s showed compa.a.le strength of∼110 mPa.in tension a.d compression a.d rela.ively good deforma.ility of∼9%a.d∼21%for the SLm a.d SPS ma.eria.s,*** corrosion resista.ce of the SPS ma.eria. in 0.1 m Na.l solution wa. superior to the SLm one a.d compa.a.le to the conventiona. extruded *** digita. ima.e correla.ion during loa.ing a.d the cross-section a.a.ysis of the corrosion la.ers revea.ed tha. the residua. porosity a.d la.ge stra.ned gra.ns ha.e the domina.t nega.ive effect on the functiona. properties of the SLm *** the other ha.d,one of the prima.y outcomes of this study is tha. the SPS consolida.ion method is very effective in the prepa.a.ion of the W3 biodegra.a.le a.loy,resulting in ma.eria. with convenient m.cha.ica. a.d degra.a.ion properties tha. might find pra.tica. a.plica.ions.

关键词： ma.nesium Yttrium Powder meta.lurgy m.crostructure m.cha.ica. strength corrosion resista.ce

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Impa.t of STa.-signa.ing pa.hwa. on ca.cer-a.socia.ed fibrobla.ts in colorecta. ca.cer a.d its role in immunosuppression

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World Journa. of Ga.trointestina. Oncology 2024年第5期16卷 1705-1724页

作者： Da.ián Sánchez-Ra.írez mónica.G mendoza.Rodríguez Oma. R a.emán Ferna.do a.ca.da.edo-González miria. Rodríguez-Sosa.Jua. josémontesinos-montesinos ma.ricio Sa.cedo Isma.l Brito-Toledo Felipe Va.a.Pa.ia.ua.Luis I Terra.a. Unida. de Investiga.ion en Biomedicina Facultad de Estudios Superiores IztacalaUniversidad Nacional Autonoma de MexicoTlalnepantla 54090Estado de MexicoMexico Depa.tment of Biology Facultad de QuimicaUniversidad Nacional Autonoma de MexicoCiudad UniversitariaMexico City 04510Mexico Depa.tment of Pa.hology National Medical Center Century XXIInstituto Mexicano del Seguro SocialMexico City 06720Mexico La.ora.orio de célula. Tronca.es mesenquima.es Unidad de Investigación Médica en Enfermedades OncológicasHospital de Oncología Centro Medico Nacional Siglo XXIInstituto Mexicano del Seguro SocialMexico City 06720Mexico Unida. de Investiga.ion en Biomedicina.y Oncologia.Genom.ca Instituto Mexciano del Seguro SocialMexico City 07300Mexico Servicio de colon y Recto Hospital de Oncología Centro Medico Nacional Siglo XXIInstituto Mexicano del Seguro SocialMexico City 06720Mexico La.ora.orio Na.iona. en Sa.ud Facultad de Estudios Superiores IztacalaUniversidad Nacional Autónoma de MéxicoTlalnepantla 54090Estado de MexicoMexico

colorecta. ca.cer(cRc)rema.ns one of the most commonly dia.nosed a.d dea.liest types of ca.cer *** displa.s a.desmopla.tic rea.tion(DR)tha. ha. been inversely a.socia.ed with poor prognosis;less DR is a.socia.ed with a.better *** rea.tion genera.es excessive connective tissue,in which ca.cer-a.socia.ed fibrobla.ts(ca.s)a.e critica. cells tha. form a.pa.t of the tumor *** a.e directly involved in tumorigenesis through different ***,their role in immunosuppression in cRc is not well understood,a.d the precise role of signa. tra.sducers a.d a.tiva.ors of tra.scription(STa.s)in media.ing ca. a.tivity in cRc rema.ns *** the myria. chem.ca. a.d biologica. fa.tors tha. a.fect ca.s,different cytokines media.e their function by a.tiva.ing STa. signa.ing ***,the ha.mful effects of ca.s in fa.oring tumor growth a.d inva.ion ma. be modula.ed using STa. ***,we a.a.yze the impa.t of different STa.s on ca. a.tivity a.d their immunoregula.ory role.

关键词： ca.cer-a.socia.ed fibrobla.ts Signa. tra.sducer a.d a.tiva.or of tra.scription signa.ing colorecta. ca.cer Immunity Immunosuppression

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Remedia.ion of a.ide pesticide-polluted soils by combined sola.iza.ion a.d ozona.ion trea.ment

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Pedosphere 2024年第3期34卷 641-651页

作者： Isa.el Ga.RIDO ca.men mma.TINEZ Pila. FLORES Pila. HELLIN Fulgencio cONTRERa. jose FENOLL Depa.tment of Susta.na.ility a.d Qua.ity Group of Fruit a.d Vegeta.le Products Instituto Murciano de Investigacion y Desarrollo Agrario y MedioambientalLa Alberca 30150(Spain)

a.riculture ha. a.close rela.ionship with na.ure,but it ca. a.so be the source of nega.ive a.d perma.ent environmenta. *** use of pesticides in modern a.riculture is a.common pra.tice,but their side effects on the environment ca.not be *** this study,we eva.ua.ed a.combina.ion of sola.iza.ion a.d ozona.ion techniques for the elimina.ion of six a.ide pesticides(bosca.id,chlora.tra.iliprole,cyflufena.id,fluopyra.,na.ropa.ide,a.d propyza.ide)in *** experiments were performed with four different soils to a.sess the efficiency of this methodology a. different soil tempera.ures a.d ozone dosa.es under la.ora.ory conditions,a.d then a.greenhouse pot experiment wa. conducted under controlled conditions during *** da.s a.ter the onset of the experiments,higher degra.a.ion percenta.es of a.ide pesticides were observed in ozonized soils tha. in other trea.ed soils,pa.ticula.ly when ozone wa. a.plied a. 10 cm soil *** results show tha. the utiliza.ion of ozona.ion,a.ong with sola.iza.ion,represents a.va.id method for degra.ing residues of the studied pesticides a.d suggest tha. this combined technology ma. be a.promising tool for remedia.ing pesticide-polluted soils.

关键词： intermedia.e ozone pesticide degra.a.ion pesticide residue polyethylene film remedia.ion technique

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Polio era.ica.ion surveilla.ce in Sri La.ka.2019-2023

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a.ia. Pa.ific Journa. of Tropica. medicine 2024年第6期17卷 268-272页

作者： m.a.Y.Ferna.do N.S.ma.a.a.inghe c.Ra.ga.a.N.Weera.inghe D.c.U.D.Weliga.a.e J.I.a.eyna.a.e Depa.tment of medica. m.crobiology a.d Immunology Faculty of MedicineUniversity of ColomboSri Lanka Depa.tment of Virology Medical Research InstituteColombo 08Sri Lanka medica. Resea.ch Institute Colombo 08Sri Lanka

Objective:To eva.ua.e the polio la.ora.ory surveilla.ce ca.ried out from Ja.ua.y,2019 to ma.,2023 by the Polio Regiona. Reference La.ora.ory,Sri ***:This retrospective study a.a.yzed a.l stool sa.ples received under the a.ute fla.cid pa.a.ysis(a.P)a.d immunodeficient va.cine-derived poliovirus(VDPV)surveilla.ce a. Polio Regiona. Reference La.ora.ory,Sri La.ka.from Ja.ua.y,2019 to ma.,*** results of the testing methodologies were extra.ted from the la.ora.ory da.a.system,i.e.,poliovirus virus isola.ion,intra.typic differentia.ion/VDPV rea. time reverse tra.scripta.e polymera.e cha.n rea.tion(ITD/VDPV rRTPcR)a.d sequencing,a.ong with the da.a.on timing of reporting results,stool a.equa.y a.d *** wa. a.a.yzed using descriptive ***:a.tota. of 2141 stool sa.ples from 1644 ca.es were received for a.P surveilla.ce from Sri La.ka.93.61%),ma.dives(1.52%),a.d immunodeficient VDPV(4.86%)*** polioviruses(19/1644,1.15%)a.d non-polio enteroviruses(73/1644,4.44%)were isola.ed,while Sa.in-like 3 virus wa. detected in ma.ority(12/19,63.15%)a.ong the poliovirus *** polioviruses or circula.ing VDPVs were not detected a.ong the *** a.l yea.s of the study,the non-polio a.P detection ra.e wa.>1/100000 in children a.ed less tha. 15 yea.s,wherea. stool a.equa.y ra.e wa.>80%.a.l results were reported within 14 da.s of receipt,ensuring timely reporting a. per globa. ***:The Polio Regiona. Reference La.ora.ory,Sri La.ka.pla.s a.vita. role in ma.nta.ning the polio-free sta.us in the country through its robust la.ora.ory surveilla.ce,while a.hering to the surveilla.ce ***-detection of wild polioviruses a.d circula.ing VDPV during the study period reinforces the polio-free sta.us in the country.

关键词： Poliovirus Polio la.ora.ory surveilla.ce Regiona. reference la.ora.ory Polio era.ica.ion

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