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Diffusion Limita.ion for a.ra.ine Biodegra.a.ion in Soil

a.va.ces in Microbiology 2013年第5期3卷 412-420页

作者： teresa a. johnson Timothy R. Ellsworth Robert J. M. Hudson Gera.d K. Sims Depa.tment of Entomology Pla.t Pa.hology a.d Weed Science New Mexico State University Las Cruces USA

Effects of sub-millimeter sca.e heterogeneity in chemica. a.d microbia. distributions on a.ra.ine degra.a.ion were exa.ined using Pseudomona. sp. stra.n a.P introduced into soil a. a.popula.ion mimicking a.ra.ine-a.a.ted soils (~2000 cells/g), a.d employing a.ra.ge of soil wa.er pressures (?100, ?300, ?500 kPa.. Heterogeneous cell distribution wa. employed in a.l trea.ments wherea. uniformity of distribution wa. a.va.ia.le for a.ra.ine introduction. Two methods of initia.ly distributing a.ra.ine in soil were exa.ined. Proxima.ly-a.plied a.ra.ine (Pa.) wa. intended to yield eleva.ed a.ra.ine concentra.ions in the vicinity of the degra.ers. Dispersed a.ra.ine (Da. wa. introduced to distribute the chemica. uniformly a. compa.ed to the distribution of degra.ers. Both ra.e a.d extent of degra.a.ion were grea.er tha. Pa., rega.dless of wa.er content, presuma.ly due to proximity of a.ra.ine to degra.ers. Biodegra.a.ion decrea.ed with decrea.ing wa.er content for both a.plica.ion methods, a.tributed to decrea.es in a.ra.ine’s effective diffusion. Minera.iza.ion of nea.ly 100% of Da.in soils receiving a.heterogeneous inoculum with a.grea.er cell density (~107 cells/g) indica.es tha. biodegra.a.ion wa. limited by the dista.ce a.ra.ine ha. to diffuse. Results support the hypothesis tha. enha.ced popula.ions of a.ra.ine degra.ers, a. reported elsewhere for a.ra.ine-a.a.ted soils, though heterogeneously distributed, ma. overcome bioa.a.la.ility limita.ions.

关键词： Biodegra.a.ion Environmenta. a.riculture Degra.a.ion Soil a.ra.ine Pseudomona. sp.

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Chemistry a.d pa.ticle size distribution of respira.le coa. dust in underground mines in Centra. Ea.tern Europe

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Interna.iona. Journa. of Coa. Science & Technology 2022年第1期9卷 200-216页

作者： Pedro Trechera.Xa.ier Querol Robert La. Dia.e johnson a.eksa.der Wra.a.Ben Willia.son teresa Moreno Instituto de Dia.nostico a.bienta. Y Estudios del a.ua Consejo Superior de Investigaciones Cientificas(IDAEACSIC)C/Jordi Girona 18‑2608034 BarcelonaSpain Depa.tment of Na.ura. Resources a.d Environment Industrial and TIC Engineering(EMIT-UPC)08242 ManresaSpain Premogovnik Velenje d.d Partizanskacesta 783320 VelenjeSlovenia Ca.borne School of Mines University of ExeterPenrynCornwall TR109FEUK Depa.tment of Extra.tion Technology a.d Mining Support Central Mining Institute(GIG)40‑166 KatowicePlacGwarkow 1Poland

Despite interna.iona. efforts to limit worker exposure to coa. dust,it continues to impa.t the hea.th of thousa.ds of miners a.ross *** coa. dust ha. been studied to improve risk models a.d its control to protect *** size distribution a.a.yses shows tha. using spra.ing systems to suppress a.rborne dusts ca. reduce pa.ticula.e ma.ter concentra.ions a.d tha. coa.s with higher a.h yields produce finer *** a.e ma.ked chemica. differences between pa.ent coa.s a.d rela.ively coa.se deposited dusts(up to _(500)μm,DD_(500)).Enrichments in Ca.K,Ba.Se,Pb,Cr,Mo,Ni a.d especia.ly a.,Sn,Cu,Zn a.d Sb in the finest respira.le dust fra.tions could origina.e from:(i)mecha.ica. ma.hinery wea.;(ii)va.ia.ions in coa. minera.ogy;(iii)coa. fly a.h used in shotcrete,a.d ca.bona.es used to reduce the risk of *** enrichments in Ca.in mine dusts a.e a.tributed to the use of such concrete,a.d eleva.ed K to ra.sed levels of phyllosilica.e minera. *** concentra.ions a.e higher in the pa.ent coa. tha. in the DD_(500),proba.ly due to rela.ively lower levels of orga.ic *** concentra.ions of a.l elements observed in this study rema.ned below occupa.iona. exposure limits.

关键词： Coa. dust Deposited dust Respira.le dust Pa.ticle size distribution Dust chemistry PM10 coa. dust exposure

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Storylines of fa.ily medicine Ⅱ:founda.iona. building blocks—context,community a.d hea.th

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Fa.ily Medicine a.d Community Hea.th 2024年第S3期12卷 12-22页

作者： Willia. B Ventres Leslie a.Stone Rupa. Sha. Ta.a.a.Ca.ter Geoffrey M Gusoff Winston Lia. Bich-Ma. Nguyen Joa.na.V Ra.helson Ma.y a.ice Scott teresa L Schiff-Elfa.a. Seiji Ya.a.a.Robert C Like Ka.hleen Zoppi a.Peter Ca.inella.Richa.d M Fra.kel Sha.lendra.Pra.a. Fa.ily a.d Preventive Medicine University of Arkansas for Medical Sciences College of MedicineLittle RockArkansasUSA Bridge La.e Group Pra.tice LondonUK Penn Center for Community Hea.th Workers University of PennsylvaniaPhiladelphiaPennsylvaniaUSA Na.iona. Clinicia. Schola.s Progra. UCLA David Geffen School of MedicineLos AngelesCaliforniaUSA Hea.th Systems a.d Popula.ion Hea.th Sciences University of Houston Tilman J Fertitta Family College of MedicineHoustonTexasUSA Southern New Mexico Fa.ily Medicine Residency Progra. Las CrucesNew MexicoUSA New Mexico Prima.y Ca.e Tra.ning Progra. Silver CityNew MexicoUSA a.thropology New Mexico State UniversityLas CrucesNew MexicoUSA Fa.ily Medicine a.d Community Hea.th University of Hawai'i at Manoa John A Burns School of MedicineHonoluluHawaiiUSA Fa.ily Medicine a.d Community Hea.th Rutgers Robert Wood Johnson Medical SchoolNew BrunswickNew JerseyUSA Fa.ily Medicine Indiana University School of MedicineIndianapolisIndianaUSA Fa.ily Medicine–Tra.smounta.n Texas Tech University Health Sciences CenterEl PasoTexasUSA Medicine Indiana University School of MedicineIndianapolisIndianaUSA Fa.ily Medicine a.d Community Hea.th University of Minnesota Medical School-Twin Cities CampusMinneapolisMinnesotaUSA

Storylines of Fa.ily Medicine is a.12-pa.t series of thema.ica.ly linked mini-essa.s with a.compa.ying illustra.ions tha. explore the ma.y dimensions of fa.ily medicine,a. interpreted by individua. fa.ily physicia.s a.d medica. educa.ors in the USa.a.d elsewhere a.ound the ***‘Ⅱ:founda.iona. building blocks—context,community a.d hea.th’,a.thors a.dress the following themes:‘Context—grounding fa.ily medicine in time,pla.e a.d being’,‘Recentring community’,‘Community-oriented prima.y ca.e’,‘Embeddedness in pra.tice’,‘The mea.ing of hea.th’,‘Disea.e,illness a.d sickness—core concepts’,‘The biopsychosocia. model’,‘The biopsychosocia. a.proa.h’a.d‘Fa.ily medicine a. socia. medicine.’Ma. rea.ers gra.p new implica.ions for medica. educa.ion a.d pra.tice in these essa.s.

关键词： thema.ic illustra.ion dimensions

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a.Community Ca.e Study on Geogra.hic, Environmenta., a.d Socia. Hea.th Dispa.ities in COVID-19 Disea.e: Ya.ima. Wa.hington

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Open Journa. of Preventive Medicine 2020年第11期10卷 288-297页

作者： Ca.ey Ma.e Fireba.gh Tishra.Beeson a.ie Wojtyna.Lilia. Bra.o teresa Everson Ja.lyn johnson a.berto Sa.da.a Depa.tment of Hea.th Sciences Central Washington University Ellensburg Washington USA Ya.ima.County Hea.th District Yakima Washington USA

Ya.ima.County, Wa.hington, a.rura. county with a. urba. core suffered disproportiona.ely under the conditions presented by the COVID-19 pa.demic a.d summer wildfires of 2020. With a. infection ra.e of over 700 per 100,000 popula.ion a. the height of the pa.demic, the county concurrently experienced 14 consecutive da.s of a. a.r qua.ity index in the unhea.thy to ha.a.dous ra.ge in a.gust 2020. This pa.er exa.ines the contributing socioeconomic, geogra.hic, a.d environmenta. vulnera.ilities tha. ma.e Ya.ima.County pa.ticula.ly susceptible to the continuum of expected COVID-19 disea.e a.d rela.ed outcomes a.d suggests comprehensive a.ea. of investiga.ion to mitiga.e its impa.t on specia. popula.ions, including Hispa.ic-La.ino communities, a.ricultura., food production, a.d other essentia. workers.

关键词： COVID-19 Corona.irus Sa.S-CoV-2 a.r Qua.ity Hispa.ic/La.ino Hea.th Dispa.ities

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