429 resultados para EDO


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Resumen basado en el de la publicaci??n

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Existe una versi??n en espa??ol, con el t??tulo "Proyectos de educaci??n. Acto de presentaci??n a los Servicios Educativos"

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Existe una versi??n en espa??ol, con el t??tulo "Modelo de atenci??n temprana para la Comunidad Aut??noma del Pa??s Vasco"

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El Protocolo de Seguimiento del Desarrollo Infanti tiene por objetivo detectar tempranamente posibles alteraciones del desarrollo que puedan generar necesidades espec??ficas de apoyo educativo. Una intervenci??n temprana en los trastornos del neurodesarrollo o en las situaciones de riesgo exige un proceso de detecci??n. En la pr??ctica, y entre otras medidas posibles aunque de menor envergadura, este proceso pasa por la puesta en marcha de procedimientos sistem??ticos de observaci??n del desarrollo para valorar la presencia de sospechas, alertas o indicadores de esos trastornos, adem??s de tener en cuenta situaciones objetivas de riesgo de padecerlos.

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Existe una versi??n en espa??ol, con el t??tulo "Orientaciones para la elaboraci??n del plan de acogida del alumnado inmigrante"

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Existe una versi??n en espa??ol, con el t??tulo "Comunidades de Aprendizaje en la CAPV. Una respuesta educativa en la sociedad de la informaci??n para todos y todas"

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Konputagarritasun Teoriaren asmoa sistema konputazionalen muga teorikoak aztertzea da. Bere helburu nagusia problemak konputagarri eta konputaezinen artean bereiztea da, problema konputagarria ebazpide informatikoa onartzen duenari deitzen diogula kontuan hartuta. Emaitza horiek garatzeko konputagailu eredu abstraktu erabiliena, historikoki, Turing-en Makina izan da. Ingeniaritza Informatikoko ikasleek eredu abstraktuaren eta konputagailu errealen artean distantzia dagoela nabari dezakete, horregatik programaziotik hurbilago dagoen eredu bat erabiltzea egokiagoa da, while programak hain zuzen ere. While programekin Turingen makinekin ebazten diren problema berak ebazten dira. Aldiz, while programak erabiltzen askoz errazagoak dira, batez ere aurretik informatika errealean esperientzia duten pertsonentzat, lengoaia agintzaile klasikoen programen itxura hartzen baitute. Testu honek while programak erabiltzen ditu, behar denean hauek birformulatuz eta beraien abantailak aprobetxatuz, konputazioa sinbolo arbitrarioen manipulazioaren baitan definituta gera dadin. Horrela, errealitate informatikotik askoz hurbilagoa egongo da. While programak zer diren eta nola erabiltzen diren zehaztasunez azaltzen da, eta gainera, beste agindu edo datu-mota batzuk gehitzea zergatik ez den beharrezkoa justifikatzen da.

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Konputagarritasunaren Teoriaren oinarriak lehenengo ordenadoreak azaldu aurretik (40. hamarkadaren bukaera aldera) ezarri ziren, eta ziztu biziko eta etenik gabeko eraldaketek aldatzea lortu ez duten oinarriak dira. Alan Mathison Turing-ek jadanik garai hartan frogatu zuen, ahalik eta potentzia handienekoa imajinatuta ere, inolako ordenadorek ebatzi ezingo zituen zenbait gai edo arazo bazeudela. Balizko algoritmorik ez duten problema horiek, konputaezinak deitzen ditugunak, ez dira salbuespenak eta adibide ugari aurki dezakegu. Programen portaeraren inguruan planteatzen diren problemen artean, asko konputaezinak dira. Familia horretako kide ezagunena, zalantzarik gabe, geratze problema da: sarrerako datu zehatz batzuk hartzerakoan, programa bat begizta infinituan geratuko ote den era orokorrean erabakitzeko algoritmorik ez dago. Problema baten konputaezintasuna frogatzeko, hau ebatziko duen algoritmo zehatz bat existitzen ez dela ziurtatuko duen argumentu logikoa behar dugu, edo beste era batera esanda, existitzen diren algoritmoak problema hori ebazteko gai izango ez direla egiaztatuko duen argumentua. Izaera unibertsaleko argumentu hori ezartzea ez da batere erraza izaten, eta normalean, absurduraino eramandako frogapen batekin erlazionatuta egon ohi da. Helburu hori lortzeko zenbait teknika daude. Diagonalizazioaren teknika horien artean oinarrizkoena da, eta nahiko ezaguna, ez baita Informatika Teorikoaren tresna espezifikoa. Dokumentu honen helburua ez da teknika bera azaldu edo deskribatzea, ezaguntzat hartzen baita, zailtasun maila desberdineko hainbat adibideren bitartez argitzea baizik.

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[EU]Biomedikuntzan gero eta material polimeriko gehiago aplikatzen dira. Metalezko inplanteekin alderatuz, ekoizterako orduan azkarragoak eta merkeagoak baitira beste hainbat ezaugarriren artean. Baina onurak ekartzearekin batera, erradio-opakotasun eza ere badakar. Eta ezaugarri hau gabe, inplantearen jarraipena behin giza gorputzean ezarrita dagoenean ezinezkoa da, X izpiekin ezin baita ikusi. Beraz, arazo horri aurre egiteko, proiektu honetan matrize polimerikoari kargak gehitzea proposatzen da. Lortutako material konposatuak, polimeroak soilik dituen ezaugarriak berdintzea edo hobetzea espero da. Hau da, erradio-opakotasuna lortzeaz gain, propietate mekanikoak behintzat mantentzea espero da. Giza gorputzean aplikatzen diren inplanteetarako erabiliko den material konposatu bat lortzea duenez helburu proiektu honek, matrizea polimero biobataragarria eta biodegradagarria izango da. Biodegradagarria izanik, inplantea kanporatzeko bigarren ebakuntza bat ekiditen da. Zehazki, poli(D-laktida) (PDLA) polimeroa matrize moduan eta karga moduan bismuto oxidoa (Bi2O3) erabiliko dira, medikuntza arloko inplanteetan erabili izan ohi dira eta.

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[ES]En este documento se presenta el Trabajo Fin de Grado llevado a cabo con el objetivo de realizar el diseño de un sistema inalámbrico para la recogida de parámetros en el ámbito de la práctica deportiva del surf. Para alcanzar los objetivos de este trabajo, se ha analizado el estado del arte asociado a dicho sistema, con el fin de distinguir el comportamiento de los sensores y tecnologías inalámbricas. Por último, mediante la metodología llevada a cabo se ha realizado el diseño general del sistema, así como, el diseño de un sistema reducido.

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Cacao swollen shoot virus (CSSV) causes the Cacao swollen shoot virus disease (CSSVD) and significantly reduces production in West African cacao. This study characterised the current status of the disease in the major cacao growing States in Nigeria and attempted a clarification on the manner of CSSV transmission. Two separate field surveys and sample collections were conducted in Nigeria in summer 2012 and spring 2013. PCR-based screening of cacao leaf samples and subsequent DNA sequencing showed that the disease continues to persist in Ondo and Oyo States and in new cacao sites in Abia, Akwa Ibom, Cross River and Edo States. Mealybug samples collected were identified using a robust approach involving environmental scanning electron microscopy, histology and DNA barcoding, which highlighted the importance of integrative taxonomy in the study. The results show that the genus Planococcus (Planococcus citri (Risso) and/or Planococcus minor (Maskell)) was the most abundant vector (73.5%) at the sites examined followed by Formicococcus njalensis (Laing) (19.0 %). In a laboratory study, the feeding behaviour of Pl. citri, Pseudococcus longispinus (Targioni-Tozzetti) and Pseudococcus viburni (Signoret) on cacao were investigated using electrical penetration graph (EPG) analysis. EPG waveforms reflecting intercellular stylet penetration (C), extracellular salivation (E1e), salivation in sieve elements (E1), phloem ingestion (E2), derailed stylet mechanics (F), xylem ingestion (G) and non-probing phase (Np) were analysed. Individual mealybugs exhibited marked variation within species and significantly differed (p ≤ .05) between species for E1e and E1. PCR-based assessments of the retention time for CSSV in viruliferous Pl. citri, Ps. longispinus and Ps. viburni fed on a non-cacao diet showed that CSSV was still detectable after 144 hours. These unusually long durations for a pathogen currently classified as a semi-persistent virus have implications for the design of non-malvaceous barrier crops currently being considered for the protection of new cacao plantings.

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Neste trabalho e apresentado um avanço na tecnica GILTT(Generalized Integral and Laplace Transform Technique) solucionando analiticamente um sistema de EDO's(Equações Diferenciais Ordinarias) de segunda ordem resultante da transformação pela GITT(Generalized Integral Transform Technique). Este tipo de problema usualmente aparece quando esta tecnica é aplicada na solução de problemas bidimensionais estacionários. A principal idéia consiste na redução de ordem do problema transformado em outro sistema de EDO's lineares de primeira ordem e a solução analítica deste problema, pela técnica da transformada de Laplace. Como exemplo de aplicação é resolvida a equação da energia linear bidimensional e estacionária. São apresentadas simulações numéricas e comparações com resultados disponíveis na literatura.

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In this work we have elaborated a spline-based method of solution of inicial value problems involving ordinary differential equations, with emphasis on linear equations. The method can be seen as an alternative for the traditional solvers such as Runge-Kutta, and avoids root calculations in the linear time invariant case. The method is then applied on a central problem of control theory, namely, the step response problem for linear EDOs with possibly varying coefficients, where root calculations do not apply. We have implemented an efficient algorithm which uses exclusively matrix-vector operations. The working interval (till the settling time) was determined through a calculation of the least stable mode using a modified power method. Several variants of the method have been compared by simulation. For general linear problems with fine grid, the proposed method compares favorably with the Euler method. In the time invariant case, where the alternative is root calculation, we have indications that the proposed method is competitive for equations of sifficiently high order.

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The prevalence, possible etiological factors and management of hypodontia in primary dentition are reviewed. A case of hypodontia involving the primary lower incisor is reported.

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The objective of this study was to evaluate in vitro the effect of a low fluoride toothpaste (450 μgF/g, NaF) combined with calcium citrate (Cacit) and sodium trimetaphosphate (TMP) on enamel remineralization. Bovine enamel blocks had the enamel surface polished sequentially to determine the surface hardness. After production of artificial carious lesions, the blocks selected by their surface hardness were submitted to remineralization pH cycling and daily treatment with dentifrice suspensions (diluted in deionized water or artificial saliva): placebo, 275, 450, 550 and 1,100 μgF/g and commercial dentifrice (positive control, 1,100 μgF/g). Finally, the surface and cross-section hardness was determined for calculating the change of surface hardness (%SH) and mineral content (%ΔZ). Fluoride in enamel was also determined. The data from %SH, %ΔZ and fluoride were subjected to two-way analysis of variance followed by Student-Newman-Keuls's test (p<0.05). The mineral gain (%SH and %ΔZ) was higher for toothpastes diluted in saliva (p<0.05), except for the 450 mgF/g dentifrice with Cacit/TMP (p>0.05). The 450 Cacit/ TMP toothpaste and the positive control showed similar results (p>0.05) when diluted in water. A dose-response was observed between fluoride concentration in toothpastes and fluoride present in enamel, regardless of dilution. It was concluded that it is possible to enhance the remineralization capacity of low F concentration toothpaste by of organic (Cacit) and inorganic (TMP) compounds with affinity to hydroxyapatite.