The overvolta.e tha. is produced in the cells under opera.ion limits the ca.a.ity a.d power they ca. deliver. a.deta.led study a.out the mecha.isms tha. contribute to tha. overvolta.e a.d thus to their lifetime is req...
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The overvolta.e tha. is produced in the cells under opera.ion limits the ca.a.ity a.d power they ca. deliver. a.deta.led study a.out the mecha.isms tha. contribute to tha. overvolta.e a.d thus to their lifetime is required for optimizing the use of ba.teries a. well a. their ma.ufa.turing process. We investiga.e ga.va.osta.ic discha.ge a. low a.d modera.e ra.es in a. LCO-NMC/gra.hite cell in order to qua.tify the ohmic volta.e drop a.d a.tiva.ion a.d concentra.ion pola.iza.ions. For doing so, we compa.e ha.f cells to full cell overvolta.es. We find tha. the ohmic drop a.d concentra.ion pola.iza.ion domina.e a. high ra.es a.d low ra.es, respectively. Moreover, we tra.k the evolution of concentra.ion pola.iza.ion with Sta.e-of-Cha.ge (SoC) a.d we observe tha. there exists a.rela.ionship between diffusion a.d pha.e tra.sforma.ions. Specifica.ly, we va.ida.e experimenta.ly tha. initia. sta.es of a.pha.e forma.ion a.e not domina.ed by diffusion. Pha.e tra.sitions a.e commonly eva.ua.ed by incrementa. ca.a.ity a.a.ysis. However, we determine tha. it is more a.propria.e to obta.n tha. informa.ion from the full cells by the overvolta.e a.a.ysis. Furthermore, we suggest tha. the working SoC ra.ge ca. be optimized from the overvolta.e a.a.ysis by a.oiding the pa.ticula. SoCs a. which the most detrimenta. pha.e tra.sitions ta.e pla.e.
Currently, lithium-ion ba.teries a.e widely used a. energy stora.e systems for mobile a.plica.ions. However, a.better understa.ding of their na.ure is still required to improve ba.tery ma.a.ement systems (BMS). Overvo...
Currently, lithium-ion ba.teries a.e widely used a. energy stora.e systems for mobile a.plica.ions. However, a.better understa.ding of their na.ure is still required to improve ba.tery ma.a.ement systems (BMS). Overvolta.es a.d open-circuit volta.e (OCV) hysteresis provide va.ua.le informa.ion rega.ding ba.tery performa.ce, but estima.ions of these pa.a.eters a.e genera.ly ina.cura.e, lea.ing to errors in BMS. Studies on hysteresis a.e commonly a.oided beca.se the hysteresis depends on the sta.e of cha.ge a.d degra.a.ion level a.d requires time-consuming mea.urements. We ha.e investiga.ed hysteresis a.d overvolta.es in Li(NiMnCo)O-2/gra.hite a.d LiFePO4/gra.hite commercia. cells. Here we report a.direct rela.ionship between a. increa.e in OCV hysteresis a.d a. increa.e in cha.ge overvolta.e when the cells a.e degra.ed by cycling. We find tha. the hysteresis is rela.ed to diffusion a.d increa.es with the forma.ion of pure pha.es, being prima.ily rela.ed to the gra.hite electrode. These findings indica.e tha. the gra.hite electrode is a.determining fa.tor for cell efficiency.
Ba.kground a.d Objective: Prosta.e ca.cer (PC) is the ma.igna.t neopla.m with the highest incidence a.ter lung ca.cer worldwide. The objective of this study is to review the litera.ure on the methods tha. improve the ...
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Ba.kground a.d Objective: Prosta.e ca.cer (PC) is the ma.igna.t neopla.m with the highest incidence a.ter lung ca.cer worldwide. The objective of this study is to review the litera.ure on the methods tha. improve the effica.y of the current stra.egy for the ea.ly dia.nosis of clinica.ly significa.t PC (csPC), ba.ed on the performa.ce of ma.netic resona.ce ima.ing (RM) a.d ta.geted biopsies when suspicious lesions a.e detected, in a.dition to systema.ic biopsy. Evidence a.quisition: a.systema.ic litera.ure review wa. performed in PubMed, Web of Science a.d Cochra.e a.cording to the PRISMa.criteria.(Preferred Reporting Items for Systema.ic Reviews a.d Meta.a.a.yses), using the sea.ch terms: multipa.a.etric ma.netic resona.ce ima.ging, bipa.a.etric ma.netic resona.ce ima.ing, bioma.kers in prosta.e ca.cer, prosta.e ca.cer y ea.ly dia.nosis. a.tota. of 297 references were identified a.d, using the PICO selection criteria. 21 publica.ions were fina.ly selected to synthesize the evidence. Evidence synthesis: With the consolida.ion of MRI a. the test of choice for the dia.nosis of prosta.e ca.cer, the role of PSa.density (PSa.) becomes releva.t a.a.predictive tool included in prediction nomogra.s, without a.ded cost. PSa.a.d dia.nostic ma.kers, combined with MRI, offer a.high dia.nostic power with a.a.ea.under curve (a.C) a.ove 0,7. Only the SHTLM3 model integra.es ma.kers in the crea.ion of a.nomogra.. Prediction models a.so offer consistent effica.y with a.a.C grea.er tha. 0,8 when a.socia.ing MRI. Conclusions: The effica.y of MRI in clinica.ly significa.t prosta.e ca.cer detection ca. be impro-ved with different pa.a.eters in order to genera.e predictive models tha. support decision ma.ing. (c) 2022 a.U. Published by Elsevier Espa.a. S.L.U. a.l rights reserved.
Introduction a.d objective: Robotic-a.sisted la.a.oscopic prosta.ectomy (Ra.P) seems to improve functiona. outcomes, however there is not a.consensus of a.sta.da.d procedure. The a.m of this study wa. to identify the ...
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Introduction a.d objective: Robotic-a.sisted la.a.oscopic prosta.ectomy (Ra.P) seems to improve functiona. outcomes, however there is not a.consensus of a.sta.da.d procedure. The a.m of this study wa. to identify the Ra.P "sta.e of a.t" in Ca.a.onia. Spa.n. Ma.eria.a.d methods: This wa.a.cross-sectiona. survey-ba.ed study conducted a.ong urologists a.ross Ca.a.onia. The survey wa. distributed through online pla.forms a.d the professiona. urology society. a.l sta.istica.a.a.yses were performed using Sta.a.softwa.e, v. 20. Results: Fifty-nine urologists completed the survey, revea.ing Ra.P a. the most commonly used technique (79.7%). Most urologist (70%) crea.e the pneumoperitoneum using a.controlled incision with direct a.cess a.d 78.3% use the a.rSea. (R) (R) technology. The intra.eritonea.a.proa.h is performed in more tha. 90% of ca.es. Endopelvic fa.cia.preserva.ion is not routinely performed. a.percenta.e of 34.5 of the survey not perform the dorsa. vein complex suture. a.l preserves the bla.der neck when oncologica.ly sa.e. Nerve-va.cula. bundles bleeding control is performed using sta.da.d coa.ula.ion or suturing. Thirty-four percent performed posterior reconstruction. Only use hemosta.ic devices when evident bleeding a.d 70% does not routinely left a.dra.na.e. Multiva.ia.le a.a.ysis showed tha. center volume ha.a.significa.t independent a.socia.ion with dorsa. venous complex suturing (OR 0.073, 95% CI 0.07-0.826), nerve-va.cula. bundles suturing hemosta.is (OR 11.67, 95% CI 1.07-127.60) a.d endopelvic fa.cia.preserva.ion (OR 13.64, 95% CI 1.087-201.27), but there wa. no correla.ion with time the bla.der ca.heter or da.s hospita.ized. Conclusions: The study provides a. overview of the sta.e of Ra.P in Ca.a.onia. Spa.n, showing significa.t va.ia.ility a.d reflecting a.commitment to a.va.cing surgica. technology a.d pa.ient ca.e.
Infection rema.ns the most common ca.se of non-tra.ma.ic a.ute orbita. pa.hology a.d a.rela.ively common rea.on for requesting ra.iologica. exa.ina.ions in the emergency depa.tment. Infection ca.a.fect a.y pa.t of th...
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Introduction: Ischa.mic stroke is the most common neurologica. complica.ion of ca.dia. ca.heterisa.ion. This study a.ms to a.a.yse the clinica.a.d prognostic differences between post-ca.heterisa.ion stroke code (SC) ...
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Introduction: Ischa.mic stroke is the most common neurologica. complica.ion of ca.dia. ca.heterisa.ion. This study a.ms to a.a.yse the clinica.a.d prognostic differences between post-ca.heterisa.ion stroke code (SC) a.d a.l other in-hospita.a.d prehospita. SC. Methods: We prospectively recorded SC a.tiva.ion a. our centre between Ma.ch 2011 a.d a.ril 2016. Pa.ients were grouped a.cording to whether SC wa.a.tiva.ed post-ca.heterisa.ion, in hospita. but not post-ca.heterisa.ion, or before a.riva.a. hospita.;groups were compa.ed in terms of clinica.a.d ra.iologica. cha.a.teristics, thera.eutic a.proa.h, functiona. sta.us, a.d three-month morta.ity. Results: The sa.ple included 2224 pa.ients, of whom 31 presented stroke post-ca.heterisa.ion. Ba.eline Na.iona. Institutes of Hea.th Stroke Sca.e score wa. lower for post-ca.heterisa.ion SC tha. for other in-hospita. SC a.d pre-hospita. SC (5, 10, a.d 7, respectively;P = .02), a.d SC wa.a.tiva.ed sooner (50, 100, a.d 125 minutes, respectively;P < .001). Furthermore, post ca.heterisa.ion SC were more frequently due to tra.sient ischa.mic a.ta.k (38%, 8%, a.d 9%, respectively;P < .001) a.d less frequently to proxima.a.tery occlusion (17.9%, 31.4%, a.d 39.2%, respectively;P = .023). The ma.ority of pa.ients with post-ca.heterisa.ion strokes (89.7%) did not receive reperfusion thera.y;60% of the pa.ients with proxima.a.tery occlusion received endova.cula. trea.ment. The morta.ity ra.e wa. 12.95% for post-ca.heterisa.ion strokes a.d 25% for a.l other in-hospita. strokes. a.though pa.ients with post-ca.heterisa.ion stroke ha.a.better functiona. prognosis, the a.justed a.a.ysis showed tha. this effect wa. determined by their lower initia. severity. Conclusions: Post-ca.heterisa.ion stroke is initia.ly less severe, a.d presents more often a. tra.sient ischa.mic a.ta.k a.d less frequently a. proxima.a.tery occlusion. Most post ca.heterisa.ion strokes a.e not trea.ed with reperfusion;in ca.e of a.tery occlusion, mecha.ica. t
Infection rema.ns the most common ca.se of non-tra.ma.ic a.ute orbita. pa.hology a.d a.rela.ively common rea.on for requesting ra.iologica. exa.ina.ions in the emergency depa.tment. Infection ca.a.fect a.y pa.t of th...
Infection rema.ns the most common ca.se of non-tra.ma.ic a.ute orbita. pa.hology a.d a.rela.ively common rea.on for requesting ra.iologica. exa.ina.ions in the emergency depa.tment. Infection ca.a.fect a.y pa.t of the orbit but postsepta. involvement most frequently justifies ima.ing requests, due to its potentia. severity a.d a.socia.ed complica.ions. The differentia. dia.nosis of a.ute orbita. pa.hology is broa.a.d includes not only infectious entities but a.so infla.ma.ory a.d neopla.tic conditions. It is importa.t to know how to recognise these entities in order to esta.lish ea.ly trea.ment a.d a.oid serious complica.ions. This a.ticle reviews, through ca.e ima.es, orbita. pa.hologies of infectious origin, their potentia. complica.ions a.d their differentia. dia.nosis. La. infecciones siguen siendo la.ca.sa.más frecuente de pa.ología.orbita.ia.a.uda.no tra.mática.y un motivo rela.iva.ente frecuente de solicitud de prueba. de ima.en en el servicio de urgencia.. La. infecciones pueden a.ecta.a.cua.quier pa.te de la.órbita. siendo la.a.ecta.ión postsepta. la.que con ma.or frecuencia.justifica.la.rea.iza.ión de prueba. de ima.en, debido a.su potencia. gra.eda. y posibles complica.iones. El dia.nóstico diferencia. de la.pa.ología.orbita.ia.a.uda.es a.plio e incluye no solo entida.es infecciosa. sino ta.bién pa.ología. infla.a.oria. y neoplásica. Es importa.te sa.er reconocer esta. entida.es pa.a.poder insta.ra. un tra.a.iento precoz y evita. complica.iones gra.es. En este a.tículo se revisa., media.te ca.os ilustra.ivos, la. pa.ología. orbita.ia. de origen infeccioso, sus potencia.es complica.iones y su dia.nóstico diferencia..
La.d use cha.ge is widely recognized worldwide a. the ma.n ca.se of ma.grove forest loss. These a.tificia. cha.ges ca. modify ma.grove cover, species diversity a.d polluta.t levels, thus lea.ing to ha.ita. destruction...
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IntroductionIntensive home-trea.ment (IHT) for people experiencing a.menta. hea.th crisis ha. been progressively esta.lished in ma.y Europea. countries a.a.a.terna.ive to in-wa.d trea.ment. However, the ma.a.ement o...
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IntroductionIntensive home-trea.ment (IHT) for people experiencing a.menta. hea.th crisis ha. been progressively esta.lished in ma.y Europea. countries a.a.a.terna.ive to in-wa.d trea.ment. However, the ma.a.ement of a.ute episodes a. home ca. ca.se burden in the ca.egivers of these *** crea.e a.brief group intervention (BGI) to reduce burden in the ca.egivers of the pa.ients a.mitted to a. IHT unit.Methodsa.prelimina.y version of the BGI (BGI 1.0) wa. designed ba.ed on litera.ure’s review. It consisted of 4 sessions of 90 minutes (one per week), on-line (COVID-19), focused on ca.egivers burden, stress a.d self-ca.e, communica.ion skills, a.d self-compa.sion. a.l the ca.egivers of the pa.ients a.mitted for IHT from 10/01/2020 to 06/01/2021 were offered the BGI 1.0. a. the end of the intervention, pa.ticipa.ts (ca.egivers a.d thera.ists) were a.ked a.out their opinion on its contents a.d usefulness.Resultsa.tota. of 31 ca.egivers received the BGI 1.0. Most of them felt sa.isfied with the intervention. Opinions va.ied a. to which contents should be expa.ded or included. The thera.ists thought tha. the number of sessions should be increa.ed to ta.e a.closer look a. some contents or to include new ones. They a.so believed tha. the on-line forma. hindered the a.herence a.d the intera.tion between the pa.ticipa.ts.ConclusionsThe BGI 1.0 seems to be a.good sta.ting point to design the fina. version of the intervention. However, a. exha.stive a.sessment of the construct of burden in a.la.ger sa.ple of ca.egivers should be performed prior to its *** significa.t rela.ionships.
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