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1

5-36-04 Case-control study of seropositivity for cysticercosis in Cuenca, Ecuador  

Microsoft Academic Search

The prevalence of neurocysticercosis has been well documented in rural communities in Latin America using the enzyme-linked inmmunoelectrotransfer blot (EITB) assay. We studied the prevalence of neurocysticercosis in an urban, upper-middle class population in Cuenca, Ecuador. Family members of 34 index cases with parenchymal neurocysticercosis on a computed tomography (CT) scan and family members of 14 patients who had normal

KARYN A. GOODMAN; Arturo Carpio; Susan A. Ballagh; Marco Carrion; Geovany Abril; David Achig

1997-01-01

2

Una semantica \\  

Microsoft Academic Search

In quest'articolo l'autore presenta brevemente una nuova teoria nel campo della Semantica, la Se- mantica Operazionale (S.O.). La S.O. si occupa dei significati di tutti quegli elementi linguistici che sono indispensabili per ogni espressione linguistica, cioè, principalmente, tutte le parole \\

Giulio Benedetti

3

Visual impairment and quality of life: gender differences in the elderly in Cuenca, Spain  

Microsoft Academic Search

Purpose  To estimate the prevalence of visual impairment (VI) in a population sample of older adults of the province of Cuenca, Spain\\u000a and to evaluate the impact of VI on health-related quality of life (HRQOL) in this population group.\\u000a \\u000a \\u000a \\u000a Methods  Cross-sectional observational study of the cohort of all persons over the age of 64 years from an urban area and rural nucleus\\u000a of

J. J. Navarro Esteban; M. Solera Martínez; P. García Navalón; O. Piñar Serrano; J. R. Cerrillo Patiño; M. E. Calle Purón; V. Martínez-Vizcaíno

2008-01-01

4

[Perception of the environment for physical activity of schoolchildren in the province of Cuenca, Spain.  

PubMed

OBJECTIVE: The aim of this study was to determine the influence of perception of the environment in physical activity habits of schoolchildren (aged 9-11 years) in the province of Cuenca, Spain. METHODS: Using a phenomenological perspective drawings were analyzed individual about their environment and places you normally would from a purposive sample of 32 students of 4th and 5th year of primary education. These same students participated in seven focus groups with a script aimed to obtain information on their perception of the environment and its influence on physical activity habits. RESULTS: After analyzing four categories emerged: residence, urban configuration, displacements/commuting and sense of belonging or membership to the neighborhood. The students perceived that reside in gated communities or in rural areas facilitates physical activity of schoolchildren, while residing in neighborhoods and cities less accessible, feeling of insecurity traffic, make car journeys, and the sense of not belonging or membership to the neighborhood were perceived by children as barriers to being active. CONCLUSIONS: The perception of the environment influences physical activity habits of schoolchildren in the province of Cuenca. Changes in physical activity patterns of schoolchildren cannot take place without considering the context in which the individual exists, so specific strategies are needed that take into account the urban environment to promote physical activity of schoolchildren. PMID:23768561

Gutiérrez-Zornoza, Myriam; Rodríguez-Martín, Beatriz; Martínez-Andrés, María; García-López, Ursula; Sánchez-López, Mairena

2013-06-12

5

Dinámica de la descomposición de la hojarasca forestal en bosques de la cuenca del duero (provincia de zamora): Modelización de la pérdida de peso  

Microsoft Academic Search

Se ha estudiado la pérdida de peso en el proceso de descomposición de hojarasca en tres ecosistemas forestales de la zona semiárida Cuenca del Duero: un encinar climácico de Quercus rotundifolia Lam., un pinar paraclimácico de Pinus pinea L., y un pinar disclimácico de P. pinaster Ait. No se encuentran diferencias significativas entre la dinámica de descomposición de las hojas

I. M. Hernandez; I. Santa Regina; J. E Gallardo

1992-01-01

6

Actuaciones sobre el patrimonio minero-industrial de la provincia de Huelva. Cuenca minera de Riotinto  

Microsoft Academic Search

Resumen: El Patrimonio Industrial está constituido por los bienes muebles e inmuebles generados, en el transcurso histórico, por las actividades extractivas y productoras del hombre. Estos bienes patrimoniales se insertan en un paisaje o entorno determinado que también ha de ser objeto de protección debido a que la industria es una consecuencia directa del uso que la sociedad hace del

Juan M. Pérez López; Archivo Fundación Riotinto; Emilio M. Romero

2008-01-01

7

RELACIÓN SUELO-ÁRBOL Y FACTORES DE SITIO, EN PLANTACIONES JÓVENES DE TECA (Tectona grandis), EN LA ZONA OESTE DE LA CUENCA DEL CANAL DE PANAMÁ  

Microsoft Academic Search

Recibido: 07\\/12\\/04 Aceptado: 01\\/03\\/05 RE SU MEN Mediante la utilización de un muestreo factorial estratificado con 4 repeticiones (3x3x4) se seleccionaron 36 parcelas permanentes de medición en plantaciones de teca en la zona oeste de la cuenca del Canal de Panamá. En la estratifi- cación se emplearon como criterios el incremento medio anual (IMA) en altura total y la pendiente

Manuel Mollinedo; Luis Ugalde; Alfredo Alvarado; Jean Mark Verjans; Luis Carles Rudy

2005-01-01

8

Associations of major and trace components in time-series settling particle samples from Cuenca Alfonso, SW Gulf of California  

NASA Astrophysics Data System (ADS)

Cuenca Alfonso is a natural sedimentation basin in Bahía de La Paz, southern Baja California Peninsula, an arid subtropical region characterized by limited land runoff with a productive surface layer overlying a well-developed Oxygen Minimum Zone. A time-series sediment trap program was initiated in 2002 to help understand the processes controlling variations in the biogeochemistry of this environment. INAA, ICP-MS and ICP-OES analyses, as well as flame AAS were made for major and trace elements in 105 subsamples of material collected at 350 m depth during 2002-2005. Principal component analysis, including data for organic and inorganic carbon, biogenic silica and the lithogenic fraction, yielded four factors. Factor 1 (25% of the total variance) showed high eigenvalues for the classical terrigenous aluminosilicate elements: Al, Fe, Mn Sc. High loadings also occurred for the group of light to medium REEs (except for Eu). The latter are frequently associated with acid source rocks, such the granites and rhyolitic volcanics exposed on the margin of the bay. Factor 2 (18%) grouped mainly REEs, with high loading on the heavier members of the series that are more typical of basic rocks (thick sequences of andesitic volcanics occur to the NW), as well as Ni and Rb. Factor 3 (12%) appears to represent carbonate organism production, with high loadings for Cinorg, Ca and moderate levels for Corg and Cu, while %litho is moderately negative, as is biogenic silica. The fourth factor (9%) is characterized by high negative loadings for Cd, Co, Se and moderately negative values for Corg. Moderate positive loadings occur only for Sr and, at lower levels, for U, Sb and %lithogenic. This suggests that this grouping is related to particles that have been partially transformed within the Oxygen Minimum Zone. The results will be examined for distinctive periods within the time-series, such as the hurricane-influenced months of August-September 2003, the generally very low fluxes during 2005, and unusual peaks during winter 2002.

Rodríguez-Castañeda, A. P.; Shumilin, E.; Silverberg, N.; Morton-Bermea, O.; Hernandez-Alvarez, E.; Aguirre-Bahena, F.

2007-12-01

9

Stroke Subtypes and Comorbidity among Ischemic Stroke Patients in Brasilia and Cuenca: A Brazilian-Spanish Cross-cultural Study.  

PubMed

BACKGROUND: With the increase in life expectancy worldwide, changes in stroke subtypes and burden of stroke population are expected in both developing and developed countries. Prevalence of stroke subtypes and comorbidity in ischemic stroke patients was assessed in Brasilia, Brazil, and Cuenca, Spain. METHODS: This was an international (Brazilian-Spanish) cross-sectional study. Stroke subtypes were assessed by means of Trial of ORG 10172 in Acute Stroke Treatment (TOAST) classification. Modified Rankin scale was used to measure functional recovery and the Cumulative Illness Rating Scale for Geriatrics (CIRS-G) was used to assess comorbidity. RESULTS: A total of 500 patients (mean age 66.2 ± 16.4 years; 48% female; 48.2% Spanish) were included in the study. Spanish patients were significantly older than Brazilian ones (76.4 ± 11.2 versus 56.7 ± 14.6 years; P < .0001). Prevalence of ischemic cardiopathy (20.3% versus 6.2%) and atrial fibrillation (25.7% versus 6.6%) was significantly higher in Spanish stroke patients, whereas they less frequently used tobacco (28.3% versus 52.9%); P less than .0001. Prevalence of stroke subtypes in Spanish and Brazilian stroke patients was: stroke of undetermined etiology (58.1% versus 32.4%), cardioembolism (24.5% versus 11.6%), lacunar infarct (11.6% versus 25.5%), atherothrombotic (3.7% versus 19.7%), and other causes (2.1% versus 10.8%); P less than .0001. The Spanish sample had a significantly higher frequency of comorbidities. The CIRS-G total score and CIRS-G mean number of affected organs significantly increased with age, and correlated with the level of functional dependence as measured by Rankin scale (r(S) = 0.50; P = .0005). CONCLUSION: Spanish stroke people had a higher frequency of comorbid conditions, atrial fibrillation, and cardioembolism and these facts were associated with age. Atherothrombotic and lacunar strokes were more common in the younger Brazilian stroke population. PMID:23352689

Carod-Artal, Francisco Javier; Casanova Lanchipa, Jardiel Omar; Cruz Ramírez, Luis Miguel; Pérez, Noelia Sánchez; Siacara Aguayo, Fátima M; Moreno, Isabel Gómez; Romero, Lourdes Gómez; Coral, Luciene Ferreira; Trizotto, Daniele Stieven; Moreira, Clarissa Menezes

2013-01-22

10

ECOLOGÍA DE DISTURBIOS Y RESTAURACIÓN DE ESTEPAS ARBUSTIVAS DEL MONTE AUSTRAL EN EXPLANADAS ABANDONA- DAS DE LA CUENCA NEUQUINA  

Microsoft Academic Search

El objetivo de este trabajo es presentar a la comunidad petrolera una síntesis de los principales resultados de dos líneas de investigación aplicada llevadas a cabo en sitios severamente degradados por la explotación de hidrocarburos. Ecología de disturbios. A fin de evaluar los procesos de regeneración natural post-disturbio se investigaron, durante febrero-marzo de 2002 y mediante un diseño de muestras

G. A Zuleta; L. G. Reichmann; M. C. Li Puma

11

Una aproximación didáctica al Guernica de Picasso  

Microsoft Academic Search

L’article presenta una aproximació al Guernica, de Pablo Picasso, mitjançant l’anàlisi de les seves possibilitats per a l’estudi de la pintura i de la relació entre la creació i el coneixement de la Història de l’Art. Al mateix temps, es presenta un model de treball que s’inicia amb una mirada als problemes derivats de l’observació per tal d’assolir la interpretació

Antonia Fernández Valencia

2003-01-01

12

Una técnica para filtrar patrones de fringing  

NASA Astrophysics Data System (ADS)

Se presenta una nueva técnica para filtrar los patrones de fringing producidos en los CCDs tipo RCA. El método consiste en construir un mapa con los ángulos de inclinación de las franjas en cada punto de la imagen. Este mapa es ulteriormente utilizado para alinear con el patrón de interferencia una ventana estrecha, sobre la que se aplica un filtro de mediana. Este procedimiento permite eliminar la mayor parte del ruido del patrón de fringing sin destruirlo.

Ostrov, P. G.

13

¿Es la Ocratoxina A una micotoxina mutagénica?  

Microsoft Academic Search

Resumen: La ocratoxina A es una micotoxina producida por especies de los géneros Aspergillus y Penicillium que a través de los alimentos puede pasar al ser humano. Su órgano diana es el riñón pero también es hepatotóxica, inmunotóxica y teratogéni- ca. Ha sido clasificada por la Agencia Internacional de Investigación contra el Cáncer (IARC) como posible carcinóge- no humano (clase

Arbillaga L; López de Cerain

2004-01-01

14

Una mirada escéptica a la poesía concreta  

Microsoft Academic Search

El autor entrega aquí una breve mirada a los fundamentos esenciales de la poesía concreta y a la obra del fundador principal de ésta, Eugen Gomringer, destacando desde él la concepción lingüística que asume esta nueva tendencia literaria de los años cincuenta. Respecto de esta concepción poética, que parece rebajar a la poesía de su riqueza expresiva tradicional, el autor

Eugen Gomringer

15

La caña de azúcar: ¿una amarga externalidad  

Microsoft Academic Search

Existen numerosos estudios acerca de la relación entre la contaminación del aire y las enfermedades respiratorias, pero generalmente han sido realizados en grandes ciudades de países desarrollados donde dicho problema es asociado a las emisiones de fuentes móviles y fijas. Esta investigación se centra en una pequeña ciudad de Colombia: Palmira (Valle del Cauca) con no más de 300.000 habitantes,

Dávalos Álvarez Eleonora

2007-01-01

16

DISEÑO DE UNA PLANTA PILOTO PARA EL TRATAMIENTO DEL RESIDUAL DE UNA SALINA  

Microsoft Academic Search

En el proceso de extracción de cloruro de sodio a partir de agua de mar queda una salmuera residual rica en sales de sodio y magnesio que al ser tratadas químicamente y al ser evaporada permite recuperar aproximadamente el 75% del cloruro de sodio que queda en dicho residual, lo que puede reducir la contaminación ambiental del litoral y generar

Mariana Estela Colombat Rodríguez; Amada Lissett Colombat Rodríguez

2011-01-01

17

¿Es un sistema financiero menos procíclico una meta alcanzable?  

Microsoft Academic Search

La banca y las finanzas son inherentemente procíclicas, una condición exacerbada por la combinación de Basilea II y la contabilidad a valor de mercado (mark-to-market accounting), por lo que se requiere crear políticas macroprudenciales anticíclicas. Esta fragilidad se vio intensificada por la reducción en la liquidez bancaria (mayor dependencia en fondos de segundo piso) y el cambio organizacional de sociedades

Charles Goodhart

2011-01-01

18

BARTHES - MACCANNELL Y EL TURISMO: UNA POSICIÓN TEÓRICA IDEOLOGIZANTE  

Microsoft Academic Search

Es que para Barthes, el viaje debe ser comprendido como una forma ordenadora del trabajo y de la lógica burguesa. En efecto, la creación de la guía Azul tiene sus orígenes en ese deseo profundo que sentía la burguesía al comprar el esfuerzo y conservar a la vez la imagen de ese esfuerzo. En este sentido, la humanidad da lugar

Maximiliano Korstanje

2009-01-01

19

SUL DECLINO DELL'ISTITUZIONALISMO AMERICANO. UNA TESI ALTERNATIVA  

Microsoft Academic Search

1. Nel descrivere gli anni immediatamente successivi alla celebre «rivoluzione marginalista» Joseph Schumpeter ricorre alla propria categoria storica di « situazione classica »; « classica nel nostro senso » - egli precisa - « le cui opere maggiori con il lungo tratto di terreno comune che esse rivelano e con il senso di tranquillità che ispirano, devono aver suscitato una

LUCA FIORITO

20

EL HISPANISMO MUSICAL FRANCÉS: HACIA UNA REVISIÓN DE LA ESPAÑOLADA  

Microsoft Academic Search

En la segunda mitad del siglo XIX se intensifican ciertos tópicos sobre la imagen pintoresca de España difundida en Europa años atrás, culminando en una moda que ha sido calificada como «la españolada». A esta imagen contribuyeron también pintores españoles establecidos en Francia, el éxito de la pintura costumbrista hispana en los salones aristocráticos franceses y la oficialización de esta

Francisco J. Giménez Rodríguez

2005-01-01

21

LA VENTA RELACIONAL: UNA APLICACIÓN EN TIENDAS DE ELECTRODOMÉSTICOS MINORISTAS  

Microsoft Academic Search

RESUMEN El presente trabajo se centra en la venta relacional como un nuevo enfoque de ventas que emerge fundamentalmente por los grandes y profundos cambios que atañen al mundo de los negocios. En la venta personal se está prestando una mayor atención a los métodos basados en las relaciones en contraste con los paradigmas tradicionales. En este artículo se pretende

INÉS KÜSTER BOLUDA; WALTER MIGUEL COSTA

2009-01-01

22

La negociación, una competencia fundamental para el diálogo social  

Microsoft Academic Search

Este artículo plantea que una adecuada implementación del diálogo social requiere de actores competentes para negociar y construir consensos. Un marco legal adecuado y la buena disposición de los actores son condiciones necesarias pero no suficientes para un diálogo social efectivo. Es indispensable el desarrollo de habilidades y competencias, como la negociación, que lo hagan posible. Con base en diversas

María Clara Jaramillo Jaramillo

2011-01-01

23

Franco y la Segunda Guerra Mundial. Una neutralidad comprometida  

Microsoft Academic Search

En este artículo se analiza la posición de Franco durante la Segunda Guerra Mundial, que evoluciona, al hilo del desarrollo de la contienda, de la neutralidad a la no beligerancia para volver finalmente a la neutralidad, en relación con la entrada de refugiados extranjeros en España. El avance de las tropas nazis provocó una huida masiva de europeos que encontraron

Ángeles Egido León

2005-01-01

24

Hígado Graso no Alcohólico: una entidad cada vez más frecuente y de pronóstico incierto  

Microsoft Academic Search

RESUMEN La enfermedad de hígado graso no alcohólica, en inglés non alcoholic fatty liver disease (NAFLD), es definida como una acumulación excesiva de grasa en los hepatocitos. Presenta una prevalencia mundial de alrededor del 15 al 25%. Los factores de riesgo asociados frecuentemente a NAFLD son obesidad, diabetes tipo 2 y dislipemia. Por un lado se ha propuesto que una

Andrea Mariel Actis

25

Cooperación en I+D e innovación entre empresas argentinas y españolas: una aproximación empírica  

Microsoft Academic Search

La cooperación inter-empresas está experimentando una fuerte expansión a nivel internacional. El presente trabajo pretende profundizar en este fenómeno, considerando las relaciones de cooperación en I+D e innovación entre empresas argentinas y españolas. A partir de la revisión de la bibliografía, se implementó una encuesta a una muestra de 540 empresas susceptibles de haber participado en proyectos de cooperación, obteniendo

Mónica Edwards Schachter; Guillermo Anlló; Elena Castro-Martínez; Ignacio Fernández-de-Lucio

2012-01-01

26

Su inversioni del campo elettrico terrestre a cielo sereno e una loro possibile spiegazione  

Microsoft Academic Search

\\u000a Sunto  Viene descritto un andamento anomalo del gradiente di Potenziale al Col d’Olen sul Monte Rosa durante una giornata che, dalle\\u000a condizioni atmosferiche, si poteva giudicare del tutto normale.\\u000a \\u000a Del fenomeno si dà una spiegazione plausibile dimostrando corne sia possibile la formazione di cariche spaziali solo che a\\u000a una certa distanza dalla stazione si trovino nubi o semplici strati di nebbia

G. Aliverti; M. C. Montù

1931-01-01

27

De Joaquim Xirau a M. B. Cossío: dotze cartes i una targeta de visita  

Microsoft Academic Search

En este artículo se reproducen doce cartas y una tarjeta de visita que Joaquim Xirau remitió a Manuel Bartolomé Cossío entre 1920 y 1931. Se trata de una parte fragmentaria de la correspondencia que mantuvieron estos dos intelectuales de la España liberal, que porfiaron por la introducción de la pedagogía en la universidad durante el primer tercio del siglo XX.

Pilar Llopart

2003-01-01

28

IMPORTANCIA DE LA RESTRICCIÓN PRESUPUESTRIA INTERTEMPORAL EN UNA ECONOMÍA ABIERTA: CASO COLOMBIANO  

Microsoft Academic Search

Este documento analizó la importancia de la restricción presupuestaria intertemporal y la relevancia que cobra en medio de una coyuntura de incertidumbre y volatilidad como herramienta de diagnostico de la sostenibilidad internacional de los países; fue elaborado como una reflexión de investigación sobre los patrones de endeudamiento aplicando al caso de nuestro país. Para el análisis de los conceptos sobre

RAÚL QUEJADA PÉREZ; RONNY SIBAJA MORALES; SANDRA PATRICIA MOLINA PALENCIA

2010-01-01

29

Formación de profesorado en España orientada a la sostenibilidad: implementación y análisis de una ‘ecometodología’  

Microsoft Academic Search

Es indudable que la preocupación por el medio ambiente es una nueva seña de identidad de la sociedad al comienzo del siglo XXI. Pero ésta preocupación no siempre lleva aparejada los conocimientos, las actitudes y, sobre todo, la competencia necesaria para su protección. En este contexto, cobra sentido una educación superior orientada hacia la sostenibilidad que involucre a la comunidad

Pedro Vega; Pedro Álvarez

2012-01-01

30

LAS INSTITUCIONES CULTURALES Y SU ACCIONAR EN LAS TRADICIONES MUSICALES. VISTO DESDE UNA PERSPECTIVA SOCIOLÓGICA  

Microsoft Academic Search

En Cuba, la preservación del patrimonio intangible, es decir, de la cultura popular y tradicional, las tradiciones orales, musicales, danzarías, etc., tienen una gran importancia en la vida de nuestras comunidades, particularmente en las zonas rurales. Para una mejor comprensión de la problemática los estudios se centran en la labor de la institución cultural y sus influencias en el desarrollo

Jaime Tamayo Rodríguez; Eyedelkis Medina García; Raida Rodríguez Noa

2012-01-01

31

Una primera aproximación a la valuación hedónica de la contaminación en Buenos Aires  

Microsoft Academic Search

La cuantificación de los beneficios de cualquier política dirigida a reducir la contaminación puede hacerse de distintas maneras. Una de ellas es a través de métodos indirectos, uno de los cuales es el de la valuación hedónica. La idea básica es que en el precio de los inmuebles se encuentra implícito el precio de sus características. Una de dichas características

Mariana Conte Grand

2001-01-01

32

TRABAJO SOCIAL INTERCULTURAL: UNA APROXIMACIÓN AL PERFIL DEL TRABAJADOR SOCIAL COMO EDUCADOR Y MEDIADOR EN CONTEXTOS MULTICULTURALES Y MULTIÉTNICOS  

Microsoft Academic Search

RESUMEN La sociedad española se ha transformado en un corto período de tiempo en una sociedad de inmigración, cuando hasta hace pocos años era más bien una sociedad de emigración. Los flujos migratorios internacionales y el hecho de ser nuestro país una sociedad de receptora de los mismos, han modificado sustancialmente el contexto de intervención del trabajador social que, inevitablemente,

MARÍA JOSÉ AGUILAR IDÁÑEZ

33

Evidencia de alta concentración de masa en la región nuclear de una galaxia liner  

NASA Astrophysics Data System (ADS)

Usando técnicas de espectroscopía bidimensional en el telescopio de 1.54 m de Bosque Alegre, se obtuvo el campo de velocidades de la región nuclear de NGC 1672, galaxia LINER con un anillo circumnuclear de regiones HII. La curva de rotación media para los 2 kpc centrales sugiere la presencia de una gran concentración de masa (?c~ 1011Msolar /kpc3). Este resultado es respaldado por la presencia de ciertos caracteres morfológicos detectados en imágenes obtenidas con el mencionado telescopio. Según recientes simulaciones hidrodinámicas de galaxias barreadas, estos caracteres sugieren la presencia de altas densidades en las regiones nucleares. El análisis espectrofotométrico indicaría, además, la presencia de dos componentes en la emisión nuclear, con una diferencia de velocidades de ~ 200 km/s. La velocidad circular del gas ionizado a 125 pc del centro señalaría la existencia de una masa interior de ~ 7× 108Msolar .

Díaz, R.; Carranza, G.; Dottori, H.; Goldes, G.

34

UNA APROXIMACIÓN TEÓRICA AL ANÁLISIS DE LA COMPETITIVIDAD EN EL SECTOR TURÍSTICO  

Microsoft Academic Search

En el mundo empresarial actual cobra una gran importancia el análisis de la competitividad en las organizaciones, incluso a nivel sectorial y de país. Los impactos que traen consigo la globalización, el desarrollo vertiginoso de las nuevas tecnologías de la información y las comunicaciones hacen que las formas de competir hoy en día se redefinan.

Giselle Rodríguez García; Lourdes Souto Anido

2010-01-01

35

Cultivating "Una Persona Educada: A Sentipensante" (Sensing/Thinking) Vision of Education  

ERIC Educational Resources Information Center

|This essay focuses on the need to educate the new "persona educada", a dignified, honorable person with a good measure of social and personal responsibility who also possesses the habits of the mind and heart. To cultivate "una persona educada" requires a newly formed vision of education and pedagogy. Examples of three entrenched agreements that…

Rendon, Laura I.

2011-01-01

36

TURISMO Y METAMORFOSIS LINGÜÍSTICA: FORMACIÓN, EXPANSIÓN, DOMINACIÓN Y MUTACIÓN DE UNA LENGUA  

Microsoft Academic Search

Las diferentes lenguas en el mundo han influido notablemente en los pueblos que las hablan, no sólo en su forma de pensar la realidad sino además en su manera de vincularse con otros pueblos. El turismo hoy día, se he configurado como una industria masiva donde el uso de un lenguaje único que permita la comunicación entre personas con diferente

Maximiliano Korstanje

2009-01-01

37

Landscape Terms and Place Names in the Trobriand Islands--The Kaile'una Subset  

ERIC Educational Resources Information Center

|After a brief introduction to the topic the paper first gives an overview of Kilivila landscape terms and then presents the inventory of names for villages, wells, island points, reef-channels and gardens on Kaile'una Island, one of the Trobriand Islands in the Milne Bay Province of Papua New Guinea. The data on the meaning of the place names…

Senft, Gunter

2008-01-01

38

Portal dinàmic, una eina per obrir l'IES Celestí Bellera (Granollers, Barcelona) al món  

Microsoft Academic Search

Aprende a aprendre ha estat un dels lemes més freqüents quan es parlava del nou sistema educatiu. Ara ha de deixar de ser només un lema per convertir-se en una realitat quotidiana a les escoles i instituts. L'accés al coneixement i a la informació ha canviat: les fonts documentals a les que es pot accedir superen les barreres geogràfiques de

Ma. Teresa Guiu i Viaplana; Santiago Llorens Calvet

2007-01-01

39

Modelización de problemas de ordenación forestal con múltiples criterios. Una aplicación a la economía forestal cubana  

Microsoft Academic Search

Los bosques cubanos han sido objeto de un explotación indiscriminada durante muchos años, lo que ha provocado que se estén realizando grandes esfuerzos por el restablecimiento de los mismos y que se tienda a posiciones conservacionistas que provocan el envejecimiento de las masas. Como consecuencia de esta situación, tales bosques presentan una composición por edades desequilibrada. Así, en este trabajo

R. CABALLERO; T. GÓMEZ; J. MOLINA

2003-01-01

40

UNA ESTIMACIÓN DE LAS NECESIDADES DE GASTO DE LAS COMUNIDADES AUTÓNOMAS  

Microsoft Academic Search

El objetivo de este trabajo consiste en realizar un cálculo de las necesidades de gasto relativas de las Comunidades Autónomas. El método propuesto en el trabajo se basa en la descomposición del índice de necesidades de gasto en una suma de los índices de necesidades de las distintas funciones de gasto, ponderados según su peso en un “presupuesto de gasto

Antoni Castells Oliveres

2001-01-01

41

Aparición de resistencia a herbicidas, en una población de malezas  

NSDL National Science Digital Library

El uso repetido del mismo herbicida, puede provocar poblaciones de malezas que consisten de biotipos susceptibles (S) que son controlados y biotipos resistentes (R), que escapan al control para producir y retornar semilla con la característica de resistencia, al banco de semillas del suelo. Esta lección se enfocará en la dinámica poblacional de una población de malezas mezclada con biotipos S y R. Se comparará y contrastará la tasa a la que aparecen malezas resistentes en una población bajo diversas presiones de selección. ****** Esta lección se enfocará en la dinámica poblacional de una población mezclada (biotipos susceptibles y resistentes a un herbicida), y comparar y contrastar la tasa a la cual aparece resistencia al herbicida, en una población de malezas mezclada, bajo diversas presiones de selección.

42

Una tipología de la empresa gallega en función de la jerarquización y el tramo de control  

Microsoft Academic Search

En el presente documento se analizan algunas variables de la configuración estructural de la empresa gallega y su relación con la dimensión (medido por el número de empleados), el sector de actividad y el grado de satisfacción con los resultados. Para ello construimos una tipología de las empresas en función del tramo de control y el número de niveles jerárquicos

P. FIGUEROA DORREGO; H. LORENZO SANTAMARÍA; R. SEGADE PÉREZ

1999-01-01

43

Hacia la implementación de una guía de práctica clínica para el tratamiento del asma  

Microsoft Academic Search

Abstract. Dados los esfuerzos que el personal sanitario hace para la definición de guías de práctica clínica (CPG) por su elevado impacto en la calidad de los cuidados y la dificultad de su implantación, hemos considerado necesario desarrollar una,solución efectivade cara a laimplantación de CPGsmediante Sistemas de Ayuda a la Toma de Decisiones (DSS). Por la importancia de lo antedicho,

Pikatza F. J; Lopez de Ipiña

44

Las habilidades comunicativas en estudiantes de la especialidad contabilidad y finanzas: una propuesta de actuación  

Microsoft Academic Search

Las instituciones universitarias están llamadas a formar profesionales que darán continuidad a la obra social que construimos. La imagen del mismo lleva implícita el dominio de una serie de cualidades que le permitan expresarse correctamente. Un reciente estudio realizado a futuros graduados de quinto año en la especialidad Contabilidad y Finanzas del Centro Universitario Municipal de Lajas acerca del desarrollo

Daylin Yera Jacomino

2011-01-01

45

Una sociedad \\  

Microsoft Academic Search

During the period 1808-1936, the liberal state dismantled the old system of religious charity belonging to the Ancien Régime, replacing it with public charity, conceived as a welfare instrument given the social risks represented by poverty, and as a means of controlling and converting the poor into useful citizens. In parallel, from civil society there arose different organisational models as

Fernando López Castellano

2003-01-01

46

L'azione del propranololo sulla glicemia e sull'insulina immunoreattiva in una paziente affetta da insulinoma  

Microsoft Academic Search

Riassunto Con la somministrazione orale di propranololo ad una paziente affetta da insulinoma si è notato un miglioramento delle condizioni cliniche e una minor frequenza delle crisi ipoglicemiche. I valori di glicemia e di IRI si sono portati nella norma. Vengono riportati e brevemente discussi i risultati delle prove del digiuno, del glucagone e della leucina praticate prima e durante

Vittorio Neri; Alberto Bartorelli; Giovanni Faglia

1969-01-01

47

Caste in Cuenca: Colonial Identity in the Seventeenth Century Andes  

Microsoft Academic Search

To explore the concept of identity in colonial Ecuador is to examine a multiplicity of ideas and ideologies. As a historical\\u000a archaeologist trained in North America I bring with me my training in Americanist anthropology and archaeology. As Eric Wolf\\u000a points out, the anthropologist works within a discipline that was forged in colonialism, and yet at the same time anthropology

Ross W. Jamieson

48

El vino en la cuenca del Duero en época romana  

Microsoft Academic Search

This work shows that, during the Roman conquest of northern Spain, and in particular the valley of the River Duero, wine is never mentioned except among the soldiers at the siege of Numancia. There are no allusions to its cultivation, only to its consumption. It is only from the time of the Roman settlements, after the conquest of Numancia (133

T. Mañanes

2011-01-01

49

Observaciones del disco solar y de una protuberancia quiescente en radiación ultravioleta  

NASA Astrophysics Data System (ADS)

Observaciones del disco solar y de una protuberancia quiescente en el rango de longitudes de onda ultravioleta fueron obtenidas con el instrumento CDS (Coronal Diagnostic Spectrograph) y SUMER (Solar Ultraviolet Measurements of emitted radiation) a bordo de la sonda SOHO. El propósito es investigar las velocidades macroscópicas de varias especies metálicas que se observan tanto en el disco solar como en el plasma de las protuberancias. Para calcular las velocidades del disco solar aplicamos una técnica mixta para modelar la distribución de estructuras en UV en el Sol quieto. Las velocidades macroscópicas en las protuberancias se calcularon a partir de los corrimientos Doppler en cada línea espectral y luego se tomaron las del disco solar como referencia. Obtuvimos valores absolutos para las velocidades macroscópicas entre 5 y 40 km/seg. También detectamos comportamientos diferentes en las velocidades de las protuberancias en el centro con respecto a los bordes.

Cirigliano, D.; Vial, J.-C.; Rovira, M.

50

BISANZIO E LA CROCIATA: UNA LETTURA SECONDO L'ALESSIADE DI ANNA COMNENA  

Microsoft Academic Search

Nel periodo compreso tra la morte di Basilio II il Macedone (1025) e l'ascesa al trono di Alessio Comneno (1081), l'impero bizantino attraverso una delle fasi più travagliate della sua esistenza (1). Il Bulgaroctono era stato l'ultimo rappresentante di quella serie di imperatori energici che, utilizzando accortamente le forze disponibili, avevano saputo trovare al momento opportuno la maniera di risollevare

PASQUALE CORSI

51

L’Energy Policy Act 2005 degli Stati Uniti: una politica energetica nuova “ma non troppo\\  

Microsoft Academic Search

Negli Stati Uniti, il lungo dibattito sulla politica energetica si è concluso con l’approvazione di una legge che ha l’obiettivo dichiarato di garantire un’offerta di energia sicura, accessibile ed affidabile. La legge interviene sul processo di ristrutturazione in corso nel settore elettrico e sull’offerta delle fonti di energia. In questo articolo si rileva che le norme destinate ad influenzare direttamente

Graziella Marzi

2005-01-01

52

El patrimoni educatiu, element d'una pedagògia cultural i ciutadana  

Microsoft Academic Search

El present article desenvolupa els eixos de pensament que s’estan elaborant des de diferents angles sobre el patrimoni educatiu. Una revisió sobre la importància de les aportacions de les investigacions a l’entorn del patrimoni educatiu permet assenyalar els punts d’inflexió dels museus pedagògics en l’actualitat. Entre aquests destaca la influència que els museus pedagògics, a través de les seves activitats

Isabel Carrillo; Eulàlia Collelldemont Pujadas; Pedro Luís Moreno

2008-01-01

53

Ironía, nostalgia y deconstrucción en Canciones para después de una guerra  

Microsoft Academic Search

Canciones para después de una guerra (Martín\\u000aPatino, 1971) comprises an ironic archive documentary\\u000aabout Spain during the forties. Using different editing\\u000astrategies —such as re-location of materials, fusion between sound and image, figures of speech and montage effects—, the film proposes an alternative view to thedominant one offered by Franco’s official media. The movie provides a re-reading of the

Alberto Nahum García Martínez

2007-01-01

54

Índice de Comportamiento Objetivo. Una medida para valorar la respuesta al tratamiento de pacientes con trastornos de personalidad graves  

Microsoft Academic Search

Una medida que capta la frecuencia e intensidad de comportamientos disfuncionales experimentados, así como el uso de los servicios de salud mental, se desarrollaron y probaron como parte de un ensayo de tratamiento controlado de pacientes con trastorno de personalidad borderline. El índice de comportamiento objetivo (ICO) se realizó con 136 individuos diagnosti- cados de trastorno de personalidad borderline antes

Heather Munroe-Blum; Lynn McClearly

55

LA MÚSICA EN LA CORTE DE ENRIQUE DE CASTILLA (1454-1474). UNA APROXIMACIÓN INSTITUCIONAL Y PROSOPOGRÁFICA  

Microsoft Academic Search

En este artículo se analiza desde una perspectiva fundamentalmente prosopográfica la dinámica musical en la corte de Enrique IV de Castilla (1454-1474) haciendo, a su vez, especial hincapié en el papel social, artístico e institucional que los músicos desempeñaron dentro del complejo entramado de los servidores áulicos. Aquellos años, tan inestables en lo político, asistieron, sin embargo, a un desarrollo

Francisco de Paula Cañas Gálvez

2006-01-01

56

Una transición en edades avanzadas: cambios en los arreglos residenciales de adultos mayores en siete ciudades latinoamericanas  

Microsoft Academic Search

En este trabajo se presenta una visión preliminar y descriptiva de los cambios en los arreglos residenciales en la población de 60 años y más en siete ciudades latinoamerica- nas. Se exploran la intensidad del cambio, sus razones, la estructura familiar inicial, y el cambio de vivienda física. Los datos utilizados en este estudio provienen de las encues- tas de

Julieta Pérez Amador; Gilbert Brenes

2006-01-01

57

El precio medio del metro cuadrado de la vivienda libre: Una aproximación metodológica desde la perspectiva de la Geoestadística  

Microsoft Academic Search

El precio medio del metro cuadrado de la vivienda libre y su evolución en los últimos años es una de las cuestiones que más preocupan a la ciudadanía de nuestro país y, en consecuencia, a las autoridades políticas y económicas con competencias en materia de política de vivienda. La única referencia oficial sobre la cuestión es la publicación trimestral de

JOSÉ MARÍA MONTERO LORENZO

2004-01-01

58

Niveles de resistencia a insecticidas y sus mecanismos en una cepa de Aedes aegypti de Santiago de Cuba  

Microsoft Academic Search

RESUMEN Producto del más reciente brote de dengue en el municipio Santiago de Cuba, se estudió una cepa de este vector para determinar sus niveles de susceptibilidad y\\/o resistencia a insecticidas organofosforados y piretroides. Los resultados de los bioensayos mostraron bajos niveles de resistencia a fentión, malatión y deltametrina, se obtuvieron moderados para temefos, metil- pirimifos y cipermetrina, y altos

Juan A. Bisset; Lorely H. Milá; Eric Calvo

1999-01-01

59

La promoción turística oficial en Internet y su relación con el desarrollo turístico de los destinos: Una aplicación a las Ciudades medias de Andalucía  

Microsoft Academic Search

Resumen: Este trabajo analiza las webs de promoción oficial de destinos turísticos de interior de Andalucía. En el mismo se confirma la existencia de una relación entre el desarrollo turístico y el nivel de desarrollo de las webs. El estudio aporta una metodología basada en la contabilización de elemento (“counting methods”), obteniendo como resultado un estudio descriptivo de las webs

Pablo Díaz Luque; Blanca López Catalán

2012-01-01

60

DEFINIZIONE DI UNA PROVA DI ACCETTAZIONE SEMPLIFICATA ED ANALISI STATISTICA DEL COMPORTAMENTO VIBROACUSTICO DI RUOTE FERROVIARIE SMORZATE  

Microsoft Academic Search

Sommario Nel presente lavoro viene illustrata una procedura di accettazione di ruote ferroviarie trattate, nelle quali la ridotta emissione acustica è ottenuta mediante l'applicazione di uno smorzamento a strato vincolato mediante l'interposizione di un polimero viscoelastico fra il centro ruota ed un pannello di lamiera opportunamente sagomato. La procedura proposta è basata esclusivamente sull'analisi delle ampiezze di vibrazione in condizioni

A. Bracciali; S. Cervello; A. Rossi

61

PHILOSOPHY FOR CHILDREN E SCIENZE MOTORIE : UNA CONCILIAZIONE IMPOSSIBILE ? IL CORPO E IL MOVIMENTO NEL CURRICOLO DELLA P4C  

Microsoft Academic Search

La presente ricerca è indirizzata all'individuazione di una possibile area di intersezione fra il curricolo della P4C e il mondo delle scienze motorie. Il percorso è tracciato sostanzialmente su due filoni. Quello principale è rivolto all'analisi della persona intesa come corpo vivente, come corpo proprio che si estrinseca attraverso movimenti caratterizzati da razionalità e intenzionalità. In particolar modo ci si

Stefano Scarpa

62

Trade costs and the economic fundamentals of the initiative for integration of regional infrastructure in South America (IIRSA)  

Microsoft Academic Search

En octubre de 2000 los doce países de América del Sur lanzaron una iniciativa multinacional, multisectorial y multidisciplinaria cuyo objetivo principal es desarrollar la infraestructura de la región en un contexto de sustentabilidad. La iniciativa, conjuntamente financiada por el Banco Interamericano de Desarrollo (BID); la Corporación Andina de Fomento (CAF) y el Fondo Financiero para el Desarrollo de la Cuenca

Mauricio Mesquita Moreira

2007-01-01

63

La modelización matemática y el problema de la articulación de la matemática escolar. Una propuesta desde la teoría antropológica de lo didáctico 1  

Microsoft Academic Search

R Reessuummeenn:: En la primera parte del artículo introducimos algunas nociones funda- mentales de la Teoría Antropológica de lo Didáctico, que nos suministrarán las he- rramientas de análisis didáctico necesarias para reconstruir una posible evolución del dominio de investigación \\

Marianna Bosch; Francisco Javier García; Josep Gascón; Luisa Ruiz Higueras

2006-01-01

64

Infection by UNA virus (Alphavirus; Togaviridae) and risk factor analysis in black howler monkeys (Alouatta caraya) from Paraguay and Argentina.  

PubMed

A neutralizing antibody (NTAb) survey on UNA and Mayaro viruses in black howler monkeys (Aloutta caraya) from subtropical regions of Argentina and Paraguay was carried out. Risk factors for infection in monkeys were analyzed. No positive sera for Mayaro virus were detected. A prevalence of 73% (61/84) of NTAb against UNAV was detected with titers ranging from 20 to 1280. According to the statistical analysis performed, the monkey's age was a significant risk factor, but not the origin or sex. This is the first report of Alouatta caraya infection by UNAV and the first record of its activity in Paraguay. PMID:17658571

Díaz, Luis Adrián; Díaz, María del Pilar; Almirón, Walter Ricardo; Contigiani, Marta Silvia

2007-07-20

65

Una società armata è una società libera  

Microsoft Academic Search

An armed society is a free society Guns are mere objects. Preventing people from owning them, or limiting their availability, is an infringement of the natural right to property. Guns are also a peculiar good, since they are the key for the protection of liberty and property. In this perspective, gun control is not about guns: it is about control.

Carlo Stagnaro

2003-01-01

66

El valor de uso recreativo de los espacios naturales protegidos. Una aplicación de los métodos de valoración contingente y del coste del viaje  

Microsoft Academic Search

En este articulo se presenta una aplicación de dos de las metodologías desarrolladas para medir los beneficios que se derivan del uso recreativo de los bienes ambientales en ausencia de mercado, el método del coste del viaje (MCV) y el de valoración contingente (MVC). La zona objeto de estudio ha sido el Parque Nacional de “Aigüestortes y Estany de Sant

M. FARRÉ PERDIGUER

2003-01-01

67

Análisis de la decisión de exportar de las empresas agroalimentarias españolas: una aproximación con datos microeconómicos\\/Agri-food Firms Export Behaviour: a Microeconomic Approach  

Microsoft Academic Search

El objetivo de este trabajo es estudiar el comportamiento estratégico de las empresas agroalimentarias españolas en relación a los mercados exteriores. Para llevar a cabo este objetivo se ha definido un modelo de competencia imperfecta en el que unas empresas compiten a la Cournot y otras de manera competitiva. Además, se ha supuesto que las empresas toman simultáneamente tres decisiones

M. AMEUR; A. GRACIA ROYO

2004-01-01

68

EL PAPEL DE LA LEALTAD EN LA CONSTRUCCIÓN DE REDES SOCIALES: UNA PROPUESTA PARA LA GERENCIA SOCIAL DE EMPRESAS DE SERVICIOS PÚBLICOS DOMICILIARIOS  

Microsoft Academic Search

El artículo presenta y desarrolla el concepto de lealtad como instrumento para mejorar las relaciones entre usuarios y empresas de servicios públicos domiciliarios. Se divide en tres partes, además de la introducción y las conclusiones: la primera presenta el modelo Salida, voz y lealtad de Albert Hirschman, enfatizando en el tercer componente; la segunda hace una aplicación del modelo a

OLGA ROCÍO BUITRAGO BETANCUR; GERMÁN DARÍO VALENCIA AGUDELO

2007-01-01

69

Una conferencia de amnesia.  

PubMed

The World Federation of Hemophilia held its 21st international meeting in Mexico City in April 1995. The crisis in current hemophilia care in developing countries is described as pathetic. One study reveals that countries not importing blood products or concentrates from the U.S. had little or no HIV transmission to persons with hemophilia, but many people were condemned to painful joint destruction. Numerous pharmaceutical, agricultural, and other companies have been caught dumping their substandard products overseas to avoid waste. The author suggests that if the fractitioners were to increase their production rate (which they could easily do), there would be enough recombinant factor concentrates to fully supply everyone in the U.S., as well as the rest of the world, at an even lower price than the intermediate-purity concentrates. Dumping inferior medical products into developing countries is viewed as irresponsible behavior. Further, the author contends that trust in the good intentions of the pharmaceutical industry, and the ability of the Federal regulatory structure, led to the ongoing death toll that the hemophilia community is now experiencing. PMID:11362352

Haas, G J

1995-04-01

70

Metodología para la identificación de zonas de recarga hídrica naturales en las cuencas de Guatemala  

Microsoft Academic Search

This research tries to follow a methodology to identify areas of greatest natural water recharge within a watershed. By identifying the main water recharge areas is to provide a tool for reducing the contribution of natural resource degradation caused by land use as it will encourage and promote the care and sustainability of natural resources. Altering one of the forest

Walter Arnoldo; Bardales Espinoza

71

LIXIVIACIÓN DE METALES DESDE PUNTOS CON CONTAMINACIÓN RESIDUAL EN LA CUENCA DEL GUADIAMAR  

Microsoft Academic Search

Not only is surface water quality affected by the disposal of polluted residues, but also groundwater quality can be deteriorated by the transport of contaminants through soil. A mining residue contaminated site was selected from the Guadiamar River watershed, in order to establish the residual levels of pollution after the restoration labors, and the potential heavy metal mobility through the

M. J. Polo Gómez; E. Domínguez García-Baquero; J. V. Giráldez Cervera

72

Geopedología de la cuenca de Santiago: Dimensión espacial de los problemas ambientales en los suelos  

Microsoft Academic Search

Tlie research shows a description. analysis and interpretation of the pedogenetical characteristics, phisical and agronomical properiies and present use of soils. These activiries were released to identify and to evaluate the environmental problems thai affect to soils iri Scctiriago graben. Through digitul processing of dijíerent information layers utilizing a GIS, anal.ytic and sinthetic cartography were obtuined to express everyone of

LUIGI ANDRE BRIGNARDELLO; BASILIO GEORGUDIS MAYA

73

SUELOS DE LA CUENCA DEL SANTO DOMINGO. SECTOR LAS MESAS. (CARACTERIZACIÓN FÍSICO- QUÍMICA). MÉRIDA-VENEZUELA  

Microsoft Academic Search

The soils of the area of Las Mesas, basin Santo Domingo, Mérida state, are conditioned in the fundamental for the position geomorphologic of strong slopes. The action biochemical is the one which permits the construction of the soils in spite of the conditions of discharges precipitation and of moderate temperatures. The soils in accordance with Soil Taxonomy (Soil Survey Staff,

Dolores Gutiérrez; Guido Ochoa; Jajaira Oballos; Juan Carlos Velásquez

74

Groundwater in steppe environments: "El Hito" Lagoon wetland as a case of study (Cuenca; Spain)  

NASA Astrophysics Data System (ADS)

El Hito Lagoon wetland, located in the interfluve of the upper basins of the Cigüela and Záncara rivers (Guadiana Basin, central Spain), configures an important element of geo-environmental heritage of Castilla-LaMancha (Natural Reserve), as well as being an area recognized as Ramsar Site and integrated in the Natura 2000 Network. It has an extension around 290 ha in the periods of maximum flooding and it is embedded in an endorheic basin of 42 Km2. The area that includes it has an arid appearance in a landscape dominated by extensive agriculture, being catalogued as "without aquifers" under its unfavorable geo-hydrological substrate. Thereby, the manifestation of the wetland has been attributed to the simple accumulation of precipitation water in the rainy periods. However, studies to date show the contribution of groundwater to the dynamics of this geo-system, showing how the lake basin behaves itself like a diffuse discharge area of groundwater flow to the endorheic in which it is located. This paper shows the most relevant data to understand the functioning of this wetland of great scientific and environmental importance, as it support interesting halophytic plant communities as well as large number of waterflow and steppe birds.

Sastre-Merlín, A.; Martínez-Pérez, S.; Molina-Navarro, E.

2012-04-01

75

Selective biocatalytic acylation studies on 5'-O-(4,4'-dimethoxytrityl)-2',3'-secouridine: an efficient synthesis of UNA monomer.  

PubMed

Lipozyme(®) TL IM (Theremomyces lanuginosus lipase immobilized on silica) in toluene catalyzes the acylation of the 2'-OH over the 3'-OH group in 5'-O-(4,4'-dimethoxytrityl)-2',3'-secouridine (5'-O-DMT-2',3'-secouridine) in a highly selective fashion in moderate to almost quantitative yields. The turn over during benzoyl transfer reactions mediated by vinyl benzoate or benzoic anhydride was faster than in acyl transfer reactions with vinyl acetate or C(1) to C(5) acid anhydrides; except in the case of butanoic anhydride. The 2'-O-benzoyl-5'-O-DMT-2',3'-secouridine obtained by Lipozyme(®) TL IM catalyzed benzoylation of 5'-O-DMT-2',3'-secouridine was successfully converted into its 3'-O-phosphoramidite derivative in satisfactory yield, which is a building block for the preparation of oligonucleotides containing the uracil monomer of UNA (unlocked nucleic acid). PMID:23215547

Singh, Sunil K; Reddy, L Chandrashekhar; Srivastava, Smriti; Olsen, Carl E; Sanghvi, Yogesh S; Langkjær, Niels; Wengel, Jesper; Parmar, Virinder S; Prasad, Ashok K

2012-01-01

76

Estimación del valor económico de la calidad del agua de un río mediante una doble aproximación: una aplicación de los principios económicos de la Directiva Marco del Agua  

Microsoft Academic Search

El principal objetivo de la Directiva Marco del Agua de la Unión Europea es logar un “buen estado†de las aguas europeas para el año 2015 mediante una combinación de diferentes medidas. En este estudio, dos métodos de preferencias declaradas, el método de valoración contingente y el método de ordenación contingente, han sido aplicados para obtener la valoración económica de

Salvador del Saz Salazar; Francesc Hernandez Sancho; Ramon Sala Garrido

2009-01-01

77

La preparacion en ciencia de los candidatos a maestros del nivel elemental primario segun la reforma de la educacion cientifica en Puerto Rico: Una propuesta de secuencia curricular  

NASA Astrophysics Data System (ADS)

El proposito de esta investigacion fue identificar los componentes de la preparacion en ciencia que deben recibir los estudiantes del Bachillerato en Artes en Educacion Elemental, Nivel Primario, de acuerdo a los documentos que dirigen la reforma de la educacion cientifica en Puerto Rico. Tambien, se identificaron los componentes de los cursos que forman parte de la preparacion en ciencia de estos estudiantes. Se compararon los componentes de la preparacion en ciencia y los componentes de los cursos para determinar congruencias y discrepancias. Con los datos recopilados se identificaron los componentes de los cursos de una secuencia curricular para la preparacion en ciencia de los candidatos a maestros del nivel elemental primario. La secuencia curricular que se propone en esta investigacion incluye cursos de contenido cientifico y de metodologia en la ensenanza de la ciencia disenados para satisfacer las necesidades de los candidatos. Se recomienda que en los procesos para el diseno, la implantacion y la evaluacion de estos cursos participen profesores de ciencia, profesores de educacion y maestros del nivel elemental primario. Todos los cursos de la secuencia curricular deben tener un enfoque constructivista. Las experiencias educativas que se incluyan en los cursos deben aspirar a desarrollar en los candidatos los atributos de la cultura cientifica y actitudes positivas hacia la ciencia y hacia la ensenanza de esta disciplina. El modelaje por parte de los profesores que ensenen los cursos de la secuencia curricular es fundamental en el desarrollo profesional de los candidatos. Se recomienda que en los cursos de contenido cientifico se estudien los conceptos y los conocimientos cientificos que forman parte del curriculo de Kindergarten a tercer grado de forma integrada y con una profundidad universitaria. Estos cursos deben tener un enfoque interdisciplinario e incluir el estudio de la naturaleza de la ciencia y un componente de laboratorio para desarrollar los procesos de la ciencia y las destrezas de la investigacion cientifica. En los cursos de metodologia en la ensenanza de la ciencia se deben estudiar los modelos, los metodos, las estrategias y las tecnicas mas efectivas para la ensenanza y el aprendizaje de la ciencia, asi como las tecnicas de avaluacion.

Rodriguez Plaza, Evelyn

78

Monitoreo de ecosistemas con estrategias geoestadísticas, una aplicación de gran escala en Jalisco, México Ecosystem monitoring through the use of geostatistic strategies, a large scale application in Jalisco, Mexico  

Microsoft Academic Search

RESUMEN El proyecto de Inventario y Monitoreo de los Recursos Naturales de Jalisco, México (IMRENAT), es un proceso innovador que propone una aplicación práctica de las herramientas de modelado esta- dístico geoespacial para reportar creíblemente la condición del territorio. Aprovechando las intercone- xiones que existen entre atributos del terreno, la vegetación, las actividades humanas y lo detectable con sensores remotos

José Germán Flores Garnica; Martín Alfonso; Celedonio Aguirre Bravo

79

Los cambios comportamentales y del uso del espacio asociados a la muerte del macho dominante de una manada de lobos ibéricos (canis lupus signatus) en el Parque Zoológico de Barcelona  

Microsoft Academic Search

La dinámica social es uno de los campos más estudiados de la familia Canidae en condiciones de cautividad. En este estudio se pretende determinar cómo la muerte del macho dominante de una manada de lobos alojados en el Parque Zoológico de Barcelona afecta al patrón de actividad diario y al uso del espacio del resto de coespecíficos. Los individuos objeto

Ana Isabel Soriano Giménez; Susana Serrat Navarro; Conrad Ensenyat; Carles Riba; Carmen Maté García

2006-01-01

80

El lugar de las actividades físicas cooperativas en una programación de Educación Física por dominios de acción The place of physical activities in a cooperative program of physical education across domains of action  

Microsoft Academic Search

Resumen: En éste trabajo analizamos el lugar que deben ocupar las Actividades Físicas Cooperativas (AFC) en el currículum de Educación Física (EF) en el momento actual. En un primer apartado defendemos que la corriente que más nos puede ayudar a dotar a nuestra área de un mayor rigor y una lógica de funcionamiento a la hora de secuenciar los aprendizajes

Víctor Manuel López Pastor

81

ISÓTOPOS ESTABLES DEL CARBONO EN PATAGONIA MERIDIONAL: DATOS DE LA CUENCA DEL LAGO SALITROSO (PROVINCIA DE SANTA CRUZ, REPÚBLICA ARGENTINA)  

Microsoft Academic Search

This work presents and discusses the carbon isotope data obtained from the analysis of human bone remains from 25 individuals of the locale of Sierra Colorada (Salitroso lake basin), 19 of which have been dated directly by

AUGUSTO TESSONE; A. FRANCISCO ZANGRANDO; GUSTAVO BARRIENTOS; SUSANA VALENCIO; HÉCTOR PANARELLO; RAFAEL GOÑI

2005-01-01

82

Análisis de la susceptibilidad a los movimientos de ladera en la cuenca del río Llaminchán (Cajamarca, Perú)  

Microsoft Academic Search

The Llaminchan basin is located in the Western Cordillera of northern of Peru, within the Cajamarca region. The analysis using Geographic Information Systems of the mapping and inventory of slope movements, the topography, litology, hydrogeology applied to the Llaminchan Basin, allows obtaining the map of susceptibility to slope movements. It is show that the zones with greater susceptibility are to

Sandra Villacorta; Miguel Llorente; Luis Laín; Lionel Fidel; José Machare; Victor Carlotto

83

Training as a Tool for Community Development: 25 Years of Experience in Sparsely Populated Rural Areas in Cuenca, Spain  

ERIC Educational Resources Information Center

|Training is a key tool for community development processes in rural areas. This training is made difficult by the characteristics of the rural areas and their population. Furthermore, the methods used by traditional training bodies are not adapted to the peculiarities of these areas. This article analyses the training methodology used by the…

Diaz-Puente, Jose M.; Moreno, Francisco Jose Gallego; Zamorano, Ramon

2012-01-01

84

VARIABILIDAD DE PROPIEDADES FÍSICAS DE SUELOS FORESTA- LES. APLICACIÓN A LA CUENCA RASA DE COGULERS (EL SOL SONÈS, PREPIRINEO CATALÁN)  

Microsoft Academic Search

The objectives of this work are: to know the spatial variability of soil physical properties, through the evaluation of the conventional soil map validity for discriminating soil cartographic units with different hydrological behaviour and to characterise their structure or variation model by geostatistical methods. A nested sampling of forty-eight points from two cartographic units mapped at scale 1:50.000 were done.

E. ACUÑA; R. M. POCH

85

Construyendo puentes entre la política ambiental y la política de tratamiento de aguas en la cuenca Lerma-Chapala  

Microsoft Academic Search

The sustainable development of a nation does not recognise divisions bet- ween the importance of economical, ecological, social, political and cul- tural factors. However, an analytical review of the water and environ- mental policies in Mexico does show a gap between them. There are divergences between two sector policies that must be, by definition, con- vergent. In order to demonstrate

RAÚL PACHECO-V EGA

86

Revision curricular a partir de un analisis comparativo de las discrepancias en los curriculos de una escuela de optometria en Puerto Rico con las competencias requeridas para las agencias de revalida y acreditacion 2004  

NASA Astrophysics Data System (ADS)

El proposito de esta investigacion, un estudio cualitativo de caso, fue comparar y contrastar el curriculo vigente de la Escuela de Optometria de la UIAPR con las competencias y estandares requeridos por las agencias de acreditacion y de revalida. Con este proposito, decidimos realizar una revision y un analisis de documentos: el prontuario de cada uno de los cursos de los curriculos implantados en el 1993 y en el 2001; las competencias y estandares establecidos por las agencias de revalida y de acreditacion; y las estadisticas en las que se analiza el porcentaje de estudiantes que aprueban cada una de las partes de los examenes de revalida entre el 1998 al 2003. Se realizaron entrevistas dirigidas para dar apoyo y complementar la revision y el analisis de estos documentos. Los participantes de las entrevistas fueron tres estudiantes de la clase de optometria del 2004 (ultima clase del curriculo del 1993); tres estudiantes de la clase de optometria del 2005 (primera clase graduanda del curriculo vigente) y tres profesores y/o directores de los Departamentos de Ciencias Basicas, Ciencias Clinicas y Cuidado al Paciente. Esta investigacion se enmarco en el modelo de evaluacion curricular de discrepancia de Malcolm Provus y en el modelo de desarrollo basado en competencias. Uno de los hallazgos mas importantes del estudio es que los cambios que se implantaron al curriculo del 2001 no han logrado que los estudiantes mejoren su ejecucion en los examenes de revalida. Por otro lado, se encontro que el curriculo vigente atiende completamente los estandares de la practica de Optometria, pero no las competencias. Esta informacion fue validada mediante el uso de una tabla de cotejo para el analisis de los cursos y de la informacion obtenida de las entrevistas. El estudio determina y concluye que existen discrepancias entre los prontuarios de los cursos del curriculo y las competencias requeridas por la agencia de revalida. Segundo, que el Departamento de Ciencias Basicas es el que presenta mas deficiencias en el desarrollo de las competencias. El investigador recomienda disenar e implantar un curriculo basado en competencias y proveer formacion en didactica y procesos de aprendizaje a los profesores.

Rivera Pacheco, Andres

87

Inverse modeling of groundwater flow in the semiarid evaporitic closed basin of Los Monegros, Spain  

NASA Astrophysics Data System (ADS)

Only minor attention has been given in the past to the study of closed-basin hydrogeology in evaporitic environments, because these basins usually contain poor-quality groundwater. The motivation for hydrogeological research in the Los Monegros area in northeastern Spain was the approval in 1986 of a large irrigation project in the Ebre River basin. The irrigation of 60,000 ha is planned, partly in an evaporitic closed basin containing playa lakes. The project has given rise to environmental concerns. The evaluation of the hydrologic impacts of irrigation requires quantifying properly the hydrogeology of the area. With the available information, a conceptual hydrogeological model was formulated that identifies two main aquifers connected through a leaky aquitard. On the basis of the conceptual model, a numerical model was calibrated under steady-state conditions using the method of maximum-likelihood automatic parameter estimation (Carrera and Neuman, 1986a). The calibrated model reproduces the measured hydraulic heads fairly well and is consistent with independent information on groundwater discharge. By the solution of the inverse problem, reliable parameter estimates were obtained. It is concluded that anisotropy plays a major role in some parts of the lower aquifer. The geometric average of model conductivity is almost two orders of magnitude larger than the average conductivity derived from small-scale field tests. This scale effect in hydraulic conductivity is consistent with the findings of Neuman (1994) and Sánchez-Vila et al. (1996). Résumé Dans le passé, on s'est peu intéresséà l'hydrogéologie des bassins fermés en milieu évaporitique, parce que ces bassins possèdent en général de l'eau souterraine de qualité médiocre. L'intérêt porté aux recherches hydrogéologiques dans la région de Los Monegros, dans le nord-est de l'Espagne est dûà l'approbation en 1986 d'un vaste projet d'irrigation dans le bassin de l'Ebre. L'irrigation de 60000 ha a été programmée, en partie dans un bassin évaporitique fermé où existent des lacs de playa. Le projet a fait émergé des préoccupations environnementales. L'évaluation des impacts hydrologiques de l'irrigation implique de quantifier correctement l'hydrogéologie de cette région. A partir des informations disponibles, un modèle hydrogéologique conceptuel a étéétabli il identifie deux aquifères principaux interconnectés par drainance au travers d'un imperméable. Un modèle numérique, établi sur la base de ce modèle conceptuel, a été calibré en conditions de régime permanent, en utilisant la méthode d'estimation automatique du maximum de vraisemblance des paramètres (Carrera and Neuman, 1986a). Le modèle calibré reproduit correctement la piézométrie mesurée et est en accord avec les informations concernant l'écoulement des nappes. La résolution du problème inverse a fourni des estimations acceptables des paramètres. On en a conclu que l'anisotropie joue un rôle essentiel dans certaines parties de l'aquifère inférieur. La moyenne géométrique de la conductivité hydraulique est d'environ deux ordres de grandeur plus élevée que la conductivité hydraulique moyenne obtenue par des essais de terrain à l'échelle locale. Cet effet d'échelle sur la conductivité hydraulique est conforme aux résultats obtenus par Neuman (1994) et Sánchez-Vila et al. (1996). Resumen La hidrogeología de zonas endorreicas en zonas evaporíticas ha recibido muy poca atención en el pasado debido fundamentalmente a que en estas zonas las aguas subterráneas tienen una elevada salinidad debido a la alta solubilidad de sus materiales. El interés por la hidrogeología de la zona de Los Monegros en el noreste de España surgió a raiz de la aprobación en 1986 del proyecto de Los Monegros II en la zona central del valle del Ebro que contempla la puesta en regadío de 60,000 ha, algunas de las cuales se encuentran situadas en la zona endorreica de Los Monegros en la que existen toda una serie de lagunas salinas. La implantación del regadío en

Samper-Calvete, F. J.; García-Vera, M. A.

88

Sistemas de apareamiento en reptiles: una revisión  

Microsoft Academic Search

Mating systems in reptiles: a review. - Among vertebrates, reptiles are known to manifest a substan- tial variation of mating systems based on relatively complex social systems and different spatial organizations. The most frequent mating system is that situation where individuals of both sexes mated with more than one individual of the opposite sex. Monogamy (i.e. exclusive and long term

MARIANO CUADRADO

89

L'idea: una redazione diffusa  

Microsoft Academic Search

Created for the 100 years of the Deutsches Museum, the 100 classi are a 'diffuse' editorial office - a team of classes geographically distributed but connected online - that promotes science and technology education on a European dimension. Aiming at fighting against the decline of scientific vocations and the digital divide, the 100 classi Project experiments new ways of integrating

Raffaella Morichetti

2007-01-01

90

Historia De Una Fascinación: Borges En Holanda  

Microsoft Academic Search

In Out of Context. Historical Reference and the Representation of Reality in Borges, Daniel Balderston claims that the interpretative practice of Jorge Luis Borges’s short stories has tended to focus on the\\u000a ‘unreal’, that is, on its autoreferential, fictional and fantastic elements, and that, on the other hand, allusions and references\\u000a to the concrete, historical reality in the work of

Maarten Steenmeijer

2007-01-01

91

Lectura interpretada del antibiograma: una necesidad clínica  

Microsoft Academic Search

The interpretive reading of the antibiogram is routinely performed in the microbiology laboratory as a complement of the clinical categorization of antimicrobial susceptibility testing results. This process consists in the phenotypic recognition of resistance mechanisms allowing the inference of the initial resistance phenotype. Moreover, it assists in the modification of clinical categories and in the deduction of susceptibility of antimicrobials

Rafael Cantón

2010-01-01

92

UNA APROXIMACIÓN AL FENÓMENO ESQUIZO-OBSESIVO  

Microsoft Academic Search

SUMMARY Although there is a controversy about the definition of schizo-obssesive phenomena, we propound as seen the revision of many medical and historical reports and the evaluation of patients who presents this phenomena, the next definition: \\

Cristina Lóyzaga; Humberto Nicolini; Rogelio Apiquian; Ana Fresán

2002-01-01

93

Reporte de Evento Adverso para una Inmunoglobulina ...  

Center for Biologics Evaluation and Research (CBER)

Text Version... el caso de estudio ejemplo es de VIH vinculado con RhoD cuando se administró a pacientes con púrpura trombocitopénica idiopática o PTI. ... More results from www.fda.gov/downloads/biologicsbloodvaccines/internationalactivities

94

El pensamiento cuántico. Una propuesta teórica  

Microsoft Academic Search

This paper is a reflection on the mind-brain relationship. The author approaches mental functions beginning with some considerations based on chemistry, biology and quantum physics. With the aid of complex thought (the science of complexity), questions such as how the brain carries out information programming are tackled. It shows how all these phenomena require an explanation to begin with, and

Guillermo Sánchez Medina; Jairo Eduardo; Márquez Díaz

2006-01-01

95

La adicción a los videojuegos. Una revisión  

Microsoft Academic Search

Video game addiction seems to be a widely accepted disorder. This work reviews in a critical manner the literature and the state of the art about this topic. The scarcity of works focused specifically on video game addiction, as well as the weakness of many of the investigations are commented as main conclusions. None of the studies makes explicit the

R. TEJEIRO

96

Sviluppo locale e leadership. Una proposta metodologica  

Microsoft Academic Search

This paper proposes a new methodological approach for local development. It is divided in three parts. The first part analyzes the critical points of local development in the framework of EU policies; the main critical point seems to be the lack of leadership competences to manage complex situations and the governance process. The second part underlines the main concepts and

Riziato Erica

2007-01-01

97

Viajes y vacunas: Una precaución necesaria  

Microsoft Academic Search

In the last few years it is taking place an important increment of the number of people who travel all over the world, including exotic countries. In this way, about 10 million people, including both immigrants and tourist and diplomatic and businessmen, move annually among Europe and the so-called countries of the third world. Due to these populations movements it

Andrés Sanchez Bustelo

98

Alimentos funcionales, una nueva alternativa de alimentación  

Microsoft Academic Search

The consumption of foods that in addition to providing basic nutrition may help cure and prevent some diseases is one of the most innovative aspects that the 21st century offers. Foods that reduce cholesterol intake, help weight loss, avoid osteoporosis, regulate blood pressure and even candy that prevents dental cavities can habitually be found in many supermarkets around the world.

SARMIENTO RUBIANO

99

Una rivista, lungo un quarto di secolo  

Microsoft Academic Search

Questo numero della Rivista di Storia Economica coincide con il compiersi del venticinquesimo anno della sua Seconda serie. La Prima serie, curata da Luigi Einaudi, era apparsa fra il 1936 e il 1943. Il numero si apre con un editoriale, dovuto a Pierluigi Ciocca e Gianni Toniolo, che riconsidera sinteticamente l'indirizzo di metodo e di contenuto seguito dalla Rivista nei

Ciocca Pierluigi; Toniolo Gianni

2009-01-01

100

Las Brigadas Internacionales: una aproximación historiográfica  

Microsoft Academic Search

El artículo consta de dos apartados. Al primero le hemos dado un enfoque cronològico, distinguiendo tres etapas: a) las obras publicadas por ambos bandos con finalidad propagandistica durante la Guerra Civil; b) de los anos cuarenta hasta los ochenta, en que observamos que se camina desde la vision mítica hasta los primeros estúdios críticos; c) a partir de 1996, con

Manuel Requena Gallego

2004-01-01

101

HIDROFOBICIDAD EN ANDISOLES BAJO ROBLEDAL (Quercus humboldtii) Y PLANTACIONES FORESTALES (Pinus patula y Cupressus lusitanica) EN LA CUENCA DE LA QUEBRADA PIEDRAS BLANCAS (MEDELLÍN, COLOMBIA)  

Microsoft Academic Search

HYDROPHOBICITY OF ANDISOLS OF OAK GROVES (Quercus humboldtii) AND TREE PLANTATIONS (Pinus patula and Cupressus lusitanica) IN THE PIEDRAS BLANCAS WATERSHED (MEDELLÍN, COLOMBIA) The persistence of water repellency in the A horizon of Andisols was evaluated in the Piedras Blancas watershed under three vegetative covers: Pinus patula, Cupressus lusitanica, and Quercus humboldtii,

Juan Raúl; Duque Zapata; Sandra Patricia; Arbeláez Mesa; Juan Diego León Peláez

102

Elementos para una reforma del sector público en el contexto de una economía de mercado  

Microsoft Academic Search

En este trabajo se propone un conjunto de elementos básicos que deben ser considerados para el diseño de cualquier estrategia de reforma del sector público en el Perú, abordando cuestiones de carácter económico, social, político y de organización institucional.

Claudio Herzka

1996-01-01

103

Utilización de un sistema de derivación fecal en una paciente que desarrolla una fascitis necrotizante de la zona génito-perineal en una unidad de traumatología  

Microsoft Academic Search

Necrotizing fasciitis is a severe infection of the subcutaneous tissue, with a higher mortality if treatment is not adequate. Nursing care can be fundamental in obtaining a good outcome of the healing process. We present a case of an 80 year-old diabetic patient admitted to our orthopaedic surgery unit as consequence of a screw displacement in her hip. She was

Ana Craviotto Vallejo; Raquel Guzmán Carrasco; María Antonia Martín Fernández

2010-01-01

104

Una controversia historica al servicio de una situacion de aprendizaje: una reconstruccion didactica basada en Dialogo sobre los dos maximos sistemas del mundo de Galileo  

Microsoft Academic Search

It is difficult for the common sense to admit that an object dropped from the top of the mast of a ship moving at a constant velocity falls down at the bottom of the mast because it keeps inside the horizontal movement of the ship. This difficulty is similar to the one faced by early scientists from the pre-classical science

Cecile de Hosson

2010-01-01

105

Una controversia historica al servicio de una situacion de aprendizaje: una reconstruccion didactica basada en Dialogo sobre los dos maximos sistemas del mundo de Galileo  

Microsoft Academic Search

It is difficult for the common sense to admit that an object dropped from the\\u000atop of the mast of a ship moving at a constant velocity falls down at the\\u000abottom of the mast because it keeps inside the horizontal movement of the ship.\\u000aThis difficulty is similar to the one faced by early scientists from the\\u000apre-classical science

Cecile de Hosson

2010-01-01

106

La traducció catalana a l’exili. Una primera aproximació  

Microsoft Academic Search

La traducció catalana a l’exili no ha estat gaire estudiada, atès que la producció no és gaire abundosa i queda dispersa enmig d’un munt de tipologies i plataformes (quan no es presenta com a obra «original»): traduccions anònimes, dobles versions, autotraduccions, versions i adaptacions teatrals inèdites, traduccions «visibles» i «invisibles» a la premsa, traduccions premiades als Jocs Florals… Aquest article

Montserrat Bacardí

2009-01-01

107

La Economía de la lengua: una visión de conjunto  

Microsoft Academic Search

These pages aim to give a global vision of the current situation of the so called “Economics of language” literature. They start over with a description of main characteristics and a first definition of what it is correctly understood as “Economics of language”. Later on, we thoroughly analyse some of the key research lines through with the economic analysis has

Juan Carlos Jiménez Redondo

2006-01-01

108

TURISMO SUSTENTABLE: EL PLANTEAMIENTO INICIAL PARA UNA DISCUSIÓN QUE CONTINÚA…  

Microsoft Academic Search

El desarrollo es un término que ha despertado un extenso debate dentro de las filas de la antropología. Dos tendencias, van a surgir en los abordajes teóricos sobre el desarrollo. Por un lado, la liberal la cual presupone que existen sociedades ubicadas en estadios diferentes de desarrollo cuya carrera es en forma lineal y se lleva a cabo por el

Maximiliano Korstanje

2009-01-01

109

ETNOGRAFÍA DEL GASTO: EL CASO DE UNA EMPRESA TURÍSTICA  

Microsoft Academic Search

El siguiente trabajo (a diferencia de otros) intenta ser un abordaje innovador sobre el tema que denota la etno-psicología del gasto (erogación). Asimismo, su presentación (en forma de comentarios etnográficos o cuaderno de notas) es combinada con datos estadísticos de gran relevancia y comentarios personales del observador durante el trabajo de campo. En este caso, se ha combinado prácticas propias

Maximiliano Korstanje

2008-01-01

110

Libertà del vivere una vita civile e deprivazione economica  

Microsoft Academic Search

We analyze households’ economic freedom to determine their standard of living, characterized by their capacity to spend on housing, utilities, food, and transport: economic poverty is a lack of freedom due to budgetary constraints. We propose three new measures. The first is the classical notion of “freedom to choose”, distinguishing however between the categories of high, medium and low frequency

Luigi Pierfranco Campiglio

2011-01-01

111

Aspergilosis: puesta al día de una patología a considerar  

Microsoft Academic Search

Pulmonary aspergillosis is a mycotic infection caused by the aspergillus fumigatus, saprophyte of the normal human sputum. Five patients with non invasive aspergillosis were studied, of whom 4 were adults (3 women, 1 man) and one, pediatric, with invasive aspergillosis. All of them were studied by conventional X-ray, spiral CT, multislice CT and video capsule endoscopy. The presentation is predominant

Héctor G. Oxilia; Rodrigo G. Oxilia; Fernando Falco; J. R. Villavicencio Rosario

2007-01-01

112

MODELLAZIONE DI UNA GIUNZIONE RIVETTATA MEDIANTE UN NUOVO ELEMENTO RIVETTO  

Microsoft Academic Search

In the present paper the structural behavior of a riveted lap joint connection was investigated experimentally and numerically using a new rivet element. The rivet element, based on a closed-form solution of a theoretical model of the rivet joint, is able to precisely evaluate, in FE analysis, both local and overall stiffness of riveted joints with a very low contribution

M. Ferracci; F. Vivio

113

La Ciencia de los Antiguos Mexicanos: Una Bibliografia Selecta  

ERIC Educational Resources Information Center

|Fifty-five citations pertaining to the scientific and mathematic development of ancient Mexicans, particularly the Mayas, are given in this select bibliography. The introduction and descriptions of resource libraries in 8 States are in Spanish. (NQ)|

Ortiz-Franco, Luis; Magana, Maria

1973-01-01

114

Cirugía de alta resolución pediátrica: una serie de 75 casos  

Microsoft Academic Search

By one-stop surgery is meant the performing of both the pre-surgery assessment and the surgical procedure on the same day. We report our experience with a pilot study on one-stop surgery in the province of Bizkaia, with a population of 124,494 children aged 1 to 14 years old. Under the new scheme, the patient average of four visits to the

P. López Álvarez-Buhilla; I. Astigarraga Aguirre; C. Torres Piedra; M. I. Azcona Zorrilla; A. Olaizola Mendibil; M. Latorre Guisasola

2009-01-01

115

Estudio de la dinámica de una fulguración de clase M.  

NASA Astrophysics Data System (ADS)

In this work we analize the compact flare of May 9, 2012, at 12:21 UT using data in different wavelenghts, including images obtained with the H-Alpha Solar Telescope for Argentina (HASTA). We identify the brightenings, their location with respect to the photospheric magnetic field, and the presence of a surge after the flare impulsive phase. We interprete the observations and the presence of cold loops after the flare in terms of the location of the energy release site. We estimate the height and length of the loops through which the surge material flows. FULL TEXT IN SPANISH

Luoni, M. L.; Francile, C.; Mandrini, C. H.

116

Linfoma primitivo de testículo: una terapia sin resolver  

Microsoft Academic Search

Resumen\\u000a Introducción  El linfoma primario de testículo (LPT) representa un 1% de todos los linfomas no Hodgkin y aproximadamente un 2% de los linfomas\\u000a no Hodgkin extranodales. Un 25%–50% de los casos se diagnostican en pacientes mayores de 50 años. A pesar de ser la neoplasia\\u000a testicular más frecuente por encima de los 60 años, supone solamente un 9% de todos

Carlos Salvador-Osuna; Juan Carlos García-Zueco; Nuria Fernández-Mosteirín; Pilar Mayayo Artal; Ramiro Álvarez Alegret; L. Bengoechea Martínez; C. Larumbe Zazu

2004-01-01

117

Etimologia in una lingua pianificata (Etymology in a Planned Language).  

ERIC Educational Resources Information Center

|Discusses the fifth volume of the "Etimologia Vortaro de Esperanto" (Etymological Dictionary of Esperanto). The dictionary provides not only the etynom of each Esperanto term, but also the etymology of the ethnic language words from which the editor derived the terms in question. (Author/VWL)|

Minnaja, Carlo

2002-01-01

118

Comercio justo, Estado y sociedad civil. Una aproximación crítica  

Microsoft Academic Search

In this paper, we propose to analyze the case of a textile productive chain, framed in fair trade, it takes place in the town of Capilla del Monte, Cordoba, Argentina. This iniciative brings together a large number of workers in the context of domestic and handmade work processes. Under the guidelines of local economic development, the textile productive chain was

Susana R. Presta

2009-01-01

119

La homeostasis del hierro y una hormona: la hepcidina  

Microsoft Academic Search

Iron homeostasis and a hormone: hepcidin Hepcidin is a cystein-rich peptide from the HAMP gene. It is produced in the liver and is considered as a key element in the regulation, absorption and kinetics of iron in the organism. For this reason, it has been recently given preferential value in iron homeostasis. This has permitted to defi ne iron overcharge

Yubire Barrios; Edgar Acosta; Milagros Espinoza; Andreína Meléndez; Daliana Méndez

120

Anorexia por actividad: una revisión teórica y experimental  

Microsoft Academic Search

In the present study, we describe the phenomenon of the activity anorexia in rats. The procedures that have been used for in this experimental study in the laboratory are revised, as well as the main factors that influence its development. The most relevant theories that have tried to explain the origin of this behaviour are also presented. Lastly, we propose

María Teresa Gutiérrez Domínguez; Ricardo Pellón

2002-01-01

121

Una Perspectiva de Mexico: Its People, Places and History.  

ERIC Educational Resources Information Center

|Evolving from a general commitment to the goals of cultural pluralism and bicultural education, this portfolio of 24 full color and halftone photographs aims to reinforce those curricular objectives which emphasize a respect for the value and individuality of different cultures and groups, affirm the right of an individual to maintain a…

Bianchi, Gary; Bianchi, Maria Eugenia Matute

122

Els títols dels films de Quentin Tarantino : una perspectiva multilingüe  

Microsoft Academic Search

Els títols de films en llengua anglesa són, avui dia, textos (o paratextos) de gran importància cultural en les societats occidentals. En aquest article ens ocupem de dues qüestions: (1) del fenomen —força popular— de la traducció dels títols de pel·lícules en llengua anglesa que arriben al nostres cinemes; repassem les variades tipologies emprades per analitzar les traduccions dels títols

José Santaemilia; Betlem Soler

2010-01-01

123

Narcotráfico, violencia y desigualdad: una hipótesis para el caso colombiano  

Microsoft Academic Search

El propósito del ensayo es analizar los factores que explican la violencia en Colombia; para ello, el autor, retoma elementos fundamentalmente en el neoinstitucionalismo, en el narcotráfico y en la desigualdad. González, después de explorara los tres elementos antes enunciados, plantea la hipótesis de que la desigualdad es, a su juicio, el factor que más se aproxima para interpretar la

Jorge Iván González

2001-01-01

124

Compra de medicinas recetadas a traves del Internet: Una ...  

Center for Drug Evaluation (CDER)

Text Version... En colaboración con la National Alliance for Hispanic Health (Alianza Nacional para la Salud de los Hispanos) www.hispanichealth.org 1-866-SU ... More results from www.fda.gov/downloads/drugs/resourcesforyou

125

UNA LECTURA MUSICAL DE LA OBRA DE LUCIO ANNEO SÉNECA  

Microsoft Academic Search

La obra del filósofo y escritor bético Lucio Anneo Séneca ha sido ampliamente estudiada por diversas disciplinas. Causa sorpresa que se haya ignorado la presencia que pudiera tener la música en los trabajos de tan prolífico autor. Es difícil encontrar referencias a su obra incluso entre los historiadores musicales de la Edad Antigua. Este artículo registra, a la vez que

Pedro González Casado

2003-01-01

126

Los felinos: ¿Una alternativa en estudios de toxicología genética?  

Microsoft Academic Search

Felines: an alternative in genetic toxicology studies? The micronuclei (MN) test carry out in peripheral blood is fast, simple, economic and it is used to detect genotoxic environmental agents. MN are frag- ments of chromosomes or complete chromosomes remaining in the cytoplasm after cell division, which increase when organisms are exposed to genotoxic agents. Therefore, species with the highest values

Ana Zamora-Perez; Belinda C. Gómez-Meda; María L. Ramos-Ibarra; Cecilia M. Batista; Jaime Luna-Aguirre; Andrés González-Rodríguez; José L. Rodríguez-Ávila; Guillermo M. Zúñiga-González; Medio Ambiente

2008-01-01

127

LOCALIZA: una herramienta SIG para resolver problemas de localización óptima  

Microsoft Academic Search

LOCALIZA software is a tool that increases GIS applications possibilities to analyze and solve optimal facility location problems. This system, that it is being migrated from Delphi to Python, allows to evaluate how existing facility supply covers the demand. On the other hand, it includes the resolution of an elevated number of classic location-allocation models and, in some cases, includes

J. Bosque Sendra; F. Palm; M. Gómez

128

Il benessere degli animali da sperimentazione: per una revisione concettuale (*)  

Microsoft Academic Search

Experimentation on non human animals is a widespread practice in our society and a main topic for animal ethics normative theories. In the last forty years the humanisation of such practice has been deeply influenced by the so called \\

Simone Pollo

129

Creación de una Nueva Cuenta Guía de Inicio Rápido  

Center for Food Safety and Applied Nutrition (CFSAN)

... Aunque la FDA ha intentado hacer esta traducción tan exacta como razonablemente sea posible, reconocemos que esta traducción puede incluir ... More results from www.fda.gov/food/guidanceregulation/foodfacilityregistration

130

Comorbilidad entre trastorno bipolar y migraña: una revisión sistemática  

Microsoft Academic Search

Introduction: Migraine and bipolar disorder (BD) are prevalent conditions and of great relevance for the general population. Some studies have informed of their association but until now we don't know if it is real. Objective: To conduct a systematic review to evaluate the known evidence of the association between migraine and BD. Methods: A search was placed in Medline, Proquest

Germán Eduardo; Rueda Jaimes; Iván Augusto; Gaona Barbosa; Yuli Andrea Martínez Ladino

2005-01-01

131

Colapso gravitatorio radiante de una estrella extraña en relatividad general  

NASA Astrophysics Data System (ADS)

The seminumeric method by Herrera, Jimenez and Ruggeri, which allows to find dynamic solutions of the equations of Einstein with spherical symmetry starting from well-known statics solutions, are used to treat the collapse of a strange star in the "free streaming radiation limit". Fixed a profile of pulsating luminosity and for a previously studied state equation, it can be demostrated that the frequency of the profile coincides with the frequency of oscillation of the star`s surface. It is proven also that the collapse of a strange star is slower a hundred times that the corresponding to a star of normal matter.

Neira, L. P.

132

INDAGINE SIEROLOGICA SU UNA POPOLAZIONE DI CINGHIALI NELLE ALPI OCCIDENTALI  

Microsoft Academic Search

Serologic investigation on a wildboar population in the western Alps. Sera from 201 wild boars were collected in the High Susa Valley (Turin) during two consecutive hunting seasons (1996\\/97 and 1997\\/98). Fast seroagglutination (RBT) and the complement fixation test (CFT) were used to detect antibodies against Brucella abortus (178 samples). ELISA tests were carried out to detect antibodies against the

2003-01-01

133

Esercitazioni Matematiche: Una Rivista Ad uso Degli Studenti Universitari.  

ERIC Educational Resources Information Center

|The history of the journal "Esercitazioni Matematiche" (1921-43) edited by the "Circolo Matematico di Catania" for university students is described. A selection of proposed problems with some of their solutions is reported. (Author)|

Micale, Biagio

1992-01-01

134

Efalizumab: ¿un tratamiento seguro para una enfermedad crónica?  

Microsoft Academic Search

Psoriasis is a chronic disease that has a very negative impact on the quality of life of those suffering it. Therefore, treatments that make it possible to satisfactorily control the disease in the long term and maintain a good safety profile are needed. Efalizumab fulfills both requirements. In this article, the potential risks involved in treatment with efalizumab, specifically the

E. Daudén; M. J. Oñate

2008-01-01

135

Sedación terminal: el último recurso ante una «mala muerte  

Microsoft Academic Search

OBJECTIVES: A bad death is always a medical emergency, and the care of the terminally ill is an unavoidable clinical obligation. Our aim was to empirically demonstrate that this is an attainable goal in a general hospital. METHOD: Observational and prospective clinical investigation describing the effects of terminal sedation in a series of patients receiving healthcare in real time. RESULTS:

N. Marín; H. Kessel; M. Rodríguez; A. C. Barnosi; A. Lazo; E. Amat

136

Actinomicosis pélvica en una paciente sin relaciones sexuales previas  

Microsoft Academic Search

The presence of an abdominal mass may be symptomatic or it could be found in a routine physical examination. Before this is diagnosed some further tests should be done for the differential diagnosis of the mass, whether it is of gynaecological origin and if the pathology is benign or malignant. The mass may be accompanied by acute or chronic pain.

Eva María Vicedo Madrazo; Maria Luisa Monje Beltrán; Montserrat Llobet Roma; Anabel Martín-Urda Diez-Canseco; José Manuel Marqueta Sánchez

2010-01-01

137

Primer contacto con una bomba de insulina. Caso clínico  

Microsoft Academic Search

Insulin pumps are devices that inject insulin continuously into the body in a similar way to the pancreatic secretion, and with endless possibilities to adjust schedules, meals and physical activities, giving diabetics the chance to lead a life with many less restraints due to their illness.Besides giving them this freedom, the therapy allows more precise control of blood glucose, significantly

Elena Gutiérrez-Torre; Ana Rosa Alconero-Camarero; Blanca Torres-Manrique; Elías Rodríguez-Martín

2011-01-01

138

Educación ambiental: una alternativa para la conservación del manglar  

Microsoft Academic Search

Mangroves constitutes an irreplaceable ecosystem, from which human communities extract diverse resources to survive. It is fundamental to inform the public about the importance of this ecos- ystem as a refuge of many species of the flora and fauna as well as its rational use. The environmental education is necessary to help in the awareness on the problematic that mangrove

Reyna Marisol; Linares Mazariegos; Cristian Tovilla Hernández

2004-01-01

139

Como Organizar una Cooperativa (How to Organize a Cooperative).  

National Technical Information Service (NTIS)

Four pamphlets explain co-ops in general, co-ops as businesses, how co-ops succeed and how to form a co-op. Co-ops in the American Private Enterprise System compares co-ops with other businesses. The Business Co-op explains how a co-op can function as a p...

1971-01-01

140

Rischio cardiovascolare e rischio cardiometabolico: una valutazione epidemiologica  

Microsoft Academic Search

Cardiometabolic prevention; Cardiometabolic risk; Cardiovascular risk. On the basis of a critical literature review, this article deals with the concepts of global cardiovascu- lar risk and cardiometabolic risk, pointing out their links but also their unresolved issues and dis- cussing their usefulness in clinical practice. The global cardiovascular risk is the probability of suffering from a coronary event or stroke

Diego Vanuzzo; Lorenza Pilotto; Renata Mirolo; Salvatore Pirelli

2008-01-01

141

Durante el embarazo - ¿Qué es una enfermedad transmitida ...  

Center for Food Safety and Applied Nutrition (CFSAN)

... hacer si tengo síntomas de enfermedades transmitidas por los alimentos?” Consulte de inmediato a su médico o proveedor de servicios de salud. ... More results from www.fda.gov/food/foodborneillnesscontaminants/peopleatrisk

142

Derechos humanos, una oportunidad para las políticas públicas en salud  

Microsoft Academic Search

Human rights outlined a better scenario for public policies in health. For it requires intersectoral and interdisciplinary approach. This article emphasizes the perspective of public health policies based on human rights, clarifies the relationship of public policies with the exercise of human rights, beyond the right to health. It recognizes the need to implement genuinely democratic and participatory mechanisms.It considers

Álvaro Franco-Giraldo; Carlos Álvarez-Dardet

2008-01-01

143

Los derechos de los pacientes: una cuestión de calidad  

Microsoft Academic Search

Patients’ rights first arose as a question of quality from the perspective of users themselves in the United States, a cultural environment that differs from our own. This contextual difference led to difficulties in implementing and understanding patients’ rights in Spain.Patients’ rights are the specification of human rights in the management of the patient's own body and are one more

Pablo Hernando

2005-01-01

144

Perspectiva sobre una personalidad señera: Carmen Fischer Ramirez  

Microsoft Academic Search

\\u000a Abstract  Carmen Fischer who died on 29th April 1991, was an eminent member of OMEP. She served as Regional Vice President for Southern\\u000a America from 1980–1986. During this time, those of us who attended the World Council and Seminar in Santiago, Chile, became\\u000a aware of her great strength of character. Despite the many difficulties presented by life in Chile, she went

Dina Alarcon Quezeda

1992-01-01

145

no de una superficie c ´ onica en silicio cristalino  

Microsoft Academic Search

onicos; micromaquinado en microelectronica; espejos ´ opticos. A fabrication design of a conic surface (k = ¡6:5), in monocrystalline silicon substrate and based on anisotropic etching with KOH, is presented. The conical surface is approximated by means of spherical windows; comparisons between diameter and separation of the spherical windows, as well as the parameters that govern the selection are discussed.

A. G. Rojas; W. Calleja; R. Perez; F. Gracia

2005-01-01

146

Disnea en una paciente con lupus eritematoso sistémico  

Microsoft Academic Search

A 33-year-old woman with a previous history of systemic lupus erythematosus complained of exerptional dyspnea and pleuritic chest pain accompanied by polyarthritis. Chest-X-rays revealed an elevation of the right hemidiaphragm. We discuss the diagnostic and therapeutic approach.

Delia Taverner; José A. Gómez-Puerta

2009-01-01

147

ADAPTACIÓN INDIVIDUAL Y DEPRESIÓN EN UNA MUESTRA DE PACIENTES ONCOLÓGICOS  

Microsoft Academic Search

Psychological variables are the most consistent findings which associate depressión and oncologic illness. Objective: To analyze the relationship between personality dimensions and coping style in a sample of oncologic patients. Method: 40 patients with diagnosis of breast, colon or lung cancer, no metastasic, and a depressive disorder (DSM IV) were compared with a 39 patients with the same oncologic diagnosis

Beatriz Rodríguez; Carmen Bayón; Pablo Orgaz; Guadalupe Torres; Fernando Mora; Beatriz Castelo

2007-01-01

148

Hacia una teoría sistémica del 'Estado parasitario': El caso Argentino  

Microsoft Academic Search

Argentina has more than twice the total debt of India whilst the latter has twenty-eight times more population in roughly equivalent territories. It was once a prosperous haven for poor Europeans, with one of the highest per capita incomes in the world, but now half its population is underneath the poverty line. It has perpetrated the greatest default in world

Carlos Escudé

2004-01-01

149

Tentativo per una teoria semiclassica dei processi multipli  

Microsoft Academic Search

Riassunto  La teoria diHeitler, che prevede la creazione di mesoni nell'urto protone-protone, conduce per le sezioni d'urto relative a tale processo a valori\\u000a eccessivamente elevati. Questo è sostanzialmente dovuto al fatto che nella sua teoria la probabilità di emissione di un mesone,\\u000a quando il parametro d'urto è molto piccolo, risulta maggiore di uno. Interpretando invece, secondo un suggerimento diBethe, questa probabilità

E. Clementel; N. Dallaporta

1948-01-01

150

Servicios de los Ecosistemas: Una Introducción  

NSDL National Science Digital Library

The issue-focused reprint explains how natural ecosystems produce services upon which we are dependent. For example, they: provide us with clean water and air, pollinate our crops and disperse seeds, protect us from extreme weather and ultraviolet light, and control pests and disease-carrying organisms.

Sociedad Americana de EcologÃÂía (Ecological Society of America, ESA) (la Sociedad Americana de EcologÃÂía;)

2000-06-01

151

Una Perspectiva de Mexico: Its People, Places and History.  

ERIC Educational Resources Information Center

Evolving from a general commitment to the goals of cultural pluralism and bicultural education, this portfolio of 24 full color and halftone photographs aims to reinforce those curricular objectives which emphasize a respect for the value and individuality of different cultures and groups, affirm the right of an individual to maintain a bicultural…

Bianchi, Gary; Bianchi, Maria Eugenia Matute

152

Socialización y autoconcepto en una muestra de alumnos inmigrantes marroquíes  

Microsoft Academic Search

The new educative reality of our centers needs to become aware from the presence different cultures and requires to take care of special form the social-affective dimension of the students pertaining to minority groups. The objective of this work is to study and to analyze thorough the educative necessities that they present and they demand the students magrebíes immigrants of

Apuntes de Psicología; Benito LEÓN DEL BARCO; Elena FELIPE CASTAÑO; Teresa GÓMEZ CARROZA; Margarita GOZALO DELGADO; Carlos LATAS PÉREZ

2007-01-01

153

Movimiento solo forzado del polo para una tierra elástica.  

NASA Astrophysics Data System (ADS)

The purpose of this paper is to obtain the motion of the Earth's axis of rotation in an Earth's fixed frame. The authors consider only the effect of the perturbations due to the external torque and also the elastic deformations produced by the lunisolar tidal force.

Sevilla, M. J.; Romero, P.

154

Variación del carbono orgánico en función de la altitud. Cuenca del río Santo Domingo. Mérida-Barinas, Venezuela Organic carbon variation in relation with altitude in the Santo Domingo river basin, Mérida and Barinas states, Venezuela  

Microsoft Academic Search

Statistical analysis of soil characteristics in the Santo Domingo river basin shows that the organic carbon behaviour is significant related to CEC, altitude, calcium, exchangeable aluminium and silt. These variables explain 73% of its variability. Principal components analysis indicate that the highest correlation with organic carbon is obtained with altitude. Furthermore, the analysis allows to separate soils in three sectors:

Guido Ochoa; Jajaira Oballos; Jesús Sánchez; José Sosa; Jorge Manrique; Juan C. Velásquez

2000-01-01

155

Metodo Logías fotogra Métricas e hidro Lógicas Para esti Mar L a aMenaza y vu Lnerabi Lidad de inundación en La cuenca deL río P urires , cartago , costa rica  

Microsoft Academic Search

This article presents the following implementation of the hydraulic model in HEC-RAS in a floodplain study of the low drainage basin of the river Purires, located in Cartago, Costa Rica. The authors describe the field work, the use of the DVP software for the photogrametric and photointerpretation process, the methodologies used for the generation of flow data in four return

Rafael Arce Mesén; Christian Birkel Dostal; Denis Gerardo; Durán Vargas

2007-01-01

156

VALIDACIÓN DE LA TÉCNICA ERS-SCATTEROMETER PARA ESTIMAR LA HUMEDAD DEL SUELO A PARTIR DE MEDICIONES DE TDR EN EL SECTOR SEMIÁRIDO DE LA CUENCA DEL DUERO (ESPAÑA)  

Microsoft Academic Search

The general aim of the present work was to validate the so-called Soil Water Index (SWI), obtained from the signal from the ERS-Scatterometer satellite from field measurements by applying the TDR (Time Domain Reflectometry) technique. The SWI is an index that permits the estimation of the soil water content for the whole of the soil profile from the soil moisture

A. Ceballos; J. Martínez Fernández; W. Wagner; K. Scipal

157

Contaminantes orgánicos persistentes en núcleos de sedimentos de la región sur de la Cuenca de las Californias Persistent organic pollutants in sediment cores from the southern region of the Bight of the Californias  

Microsoft Academic Search

In January 1998, four sediment cores were collected to reconstruct the history of contamination by persistent organic compounds in the southern region of the Bight of the Californias. Two groups of compounds were determined using chromatographic methods: petroleum hydrocarbons (aliphatic hydrocarbons, AHs, and polynuclear aromatic hydrocarbons, PAHs) and chlorinated hydrocarbons (pesticides and polychlorinated biphenyls, PCBs). The AHs had low concentrations,

D. I. Partida-Gutiérrez; J. A. Villaescusa

158

CARACTERIZACIÓN CLIMÁTICA, METEOROLÓGICA E HIDROLÓGICA DE LA CUENCA BINACIONAL CATAMAYO-CHIRA PREVIO A LA IMPLEMENTACIÓN DE LOS MODELOS SWAT Y WATEM\\/SEDEM CON FINES DE SU PLANIFICACIÓN TERRITORIAL  

Microsoft Academic Search

The present work informs about a quality analysis of climatic, meteorological and hydrological records taken daily and monthly in 24 Ecuadorian and 19 Peruvian stations distributed in the bi-national basin Catamayo- Chira. A homogenization of records using statistical proceedings was carried out, and there were obtained 15 parameters at monthly level in order to climatically characterize the studied area and

Fernando Oñate-Valdivieso; Edwin Duque; Patricio León; Felipe Duque; Walter Rojas; Fernando Tenesaca

159

Hispanic Americans: A Look Back, A Look Ahead (Hispanic Americanos: Una Mirada Hacia Atras, Una Mirada Hacia Adelante).  

ERIC Educational Resources Information Center

|Hispanic Americans are diverse, but researchers are often limited by available data that do not highlight their diversity. This report presents information about the total Hispanic American population, along with data on the largest subgroups that make up that total. Good and bad news about Hispanics is presented using data from the U.S. Bureau…

Hodgkinson, Harold L.; Outtz, Janice Hamilton

160

Una mímesis del tiempo: Fray Bartolomé de Las Casas y las formas de una gramática del relato  

Microsoft Academic Search

History of the Indies, by Friar Bartolomé de Las Casas, was written over a thirty-year span, and is a text willing to include everything that happened in that timeframe. The History is also a text interrupted by constant digressions that show a particular emplotment that operates by accumulation in order to reproduce in the reading time, the writing time. This

Mariana C. Zinni

2012-01-01

161

LA ETNOGRAFÍA, UNA APROXIMACIÓN ANTROPOLÓGICA AL ESTUDIO DEL LA ETNOGRAFÍA, UNA APROXIMACIÓN ANTROPOLÓGICA AL ESTUDIO DEL COMPORTAMIENTO DEL CONSUMIDOR COMPORTAMIENTO DEL CONSUMIDOR  

Microsoft Academic Search

Abstract This paper makes a clear analysis about the role played by the ethnography like an anthropologic al approach to the consumer behavior. For this, first, it makes a review of the basic paradigms of science, -positivism and relativism— and their use in the market research, for later introduce the characteristics of the ethnography as a scientific discipline of investigation.

Dagoberto Páramo Morales

162

Etnografía de la infección respiratoria aguda en una zona rural del altiplano mexicano  

Microsoft Academic Search

Objective. To identify the terms used by mothers to refer to diseases, signs and symptoms related to acute respi- ratory illnesses (ARI), alarming signs which should moti- vate them to seek medical attention, and to describe common home practices of disease care and treatment. Material and methods. An ethnographic study was per- formed in six rural communities of the Mexican

HOMERO MARTÍNEZ; KIMBERLY SURIANO; GERY W. RYAN; GRETEL H. PELTO

1997-01-01

163

A history of 'uel': From Latin to Castilian \\/ Una història de 'uel': Del llatí al castellà  

Microsoft Academic Search

Centrant-nos específicament en les evidències procedents de la Península Ibèrica,\\u000aen aquest article s'hi traça la història de la partícula disjuntiva llatina 'uel';, del\\u000aseu ús en llatí clàssic a la seva eventual desaparició en romanç. S'hi estudien\\u000ales semblances entre el llatí i el romanç, i s'hi prova que tot i que encara es pot\\u000aaprendre molt concentrant-nos només

Neil Allies

2008-01-01

164

Respuesta al artículo UNA FUNCIÓN IGNORADA: LA PRODUCCIÓN DE TURISMO Del Dr. Muñoz Escalona  

Microsoft Academic Search

Ante todo quiero agradecer al Dr. Escalona por su lectura crítica de mi trabajo Algunas Indefiniciones pero por la abundante descarga recibida creo que al menos el Sr. Escalona debería haber citado mi trabajo en las referencias bibliográficas, cosa que no ha hecho, tal vez por su apasionada crítica, lo cual de por sí ya habla de un grado de

Maximiliano Korstanje

2010-01-01

165

Una Experiencia Pedagogica en el Jardin Infantil "La Cabana" (A Teaching Experience in "La Cabana" Kindergarten).  

ERIC Educational Resources Information Center

|Reviews the history of La Cabana kindergarten, which provides preschool education and meals for 100 children and sewing classes for mothers in a working class neighborhood in Bogota, Colombia. Describes the implementation of a new curriculum which develops child creativity through free choice of activities around a common project. (AC)|

de la Vega, B.

1992-01-01

166

Factores relacionados con una estancia media hospitalaria prolongada en la neumonia adquirida en la comunidad  

Microsoft Academic Search

Introduction: The length of hospital stay in patients with community-acquired pneumonia (CAP) varies considerably, even though this factor has a great impact on the cost of care for this condition. The objective of this study was to identify factors associated with prolonged hospitalization in these patients (48 days). Methods: Observational analysis of a prospective cohort of nonimmunosuppressed adults with CAP

Carolina Garcia-Vidal; Jordi Carratalaa; Violeta Diaz; Jordi Dorca; Ricard Verdaguer; Frederic Manresa; Francesc Gudiol

167

BIENESTARSUBJETIVO EN LA VIDA ADULTA Y EN LA VEJEZ: HACIA UNA PSICOLOGíA POSITIVA  

Microsoft Academic Search

This article is centered in a positive perspective of psychology, to analyze subjective well-being during the adulthood and the old age. It reviews diverse conceptions, indicators, sociodemographic and sociocultural correlations of subjective well-being; it presents alternatives in arder to evaluate this aspect, as well as international, and mainly Brazilian investigations about this topic. It places emphasis on psychological processes associated

EN AMERICA LATINA

168

Una procedura automatica e veloce per il confronto tra distribuzioni spettrali calcolate e osservate.  

NASA Astrophysics Data System (ADS)

A fast digital procedure to compare observed and computed spectral distributions is described. The observational data consist of the UV spectra obtained by the S2/68 experiment on board the TD-1A satellite; the theoretical data consist of a grid of suitable models. The comparison between the two data sets permits to derive the stellar parameters Te and log g. The results obtained for a sample of 48 A and F stars illustrate the efficiency of the procedure.

Malagnini, M. L.

169

Conocimientos sobre bioseguridad en estudiantes de medicina de una universidad peruana  

Microsoft Academic Search

obtained higher scores when compared to 23% of students (p<0.001) with a prevalence ratio of 1,79 (CI: 1.4 - 2.3). We also found that most of the students referring needlestick injuries (57%) had higher scores when compared with those who did not refer needlestick injuries (28%), however, no relationship was found between the higher score in our questionnaire with the

CUBA Frine

170

Una aproximación bioarqueológica al estudio del poblamiento prehispánico tardío del Sudeste de la Región Pampeana  

Microsoft Academic Search

The aims of this paper are to present, compare and discuss the growing bioarchaeological database available for the late human populations from the southeastern Pampean Region in Argentina. These data are related to the regional structure of the bioarchaeological record, the sample distribution of bone and dental indicators of health status, nutrition and diet, and cranial and postcranial morphological diversity.

Gustavo Barrientos

171

DIFERENCIAL SEMÁNTICO: UNA HERRAMIENTA AL SERVICIO DEL DISEÑO EMOCIONAL DE MÁQUINAS HERRAMIENTAS  

Microsoft Academic Search

The current products consumer does not uniquely put in valour its functionality, usability, safety and appropriate prix, but also the feelings they give him\\/her. The emotional design\\/engineering is oriented to produce new products that satisfy those feelings. Semantic deferential (SD) is an emotional design approach that gives information about the emotions generated by the object, obtaining the connotative value and

MONDRAGÓN DONÉS; VERGARA MONEDERO

172

Fascitis necrotizante: complicación de una episiotomía. Caso clínico y revisión de la bibliografía  

Microsoft Academic Search

Necrotizing fasciitis is an infrequent infectious complication in gynecology and obstetrics but is associated with high morbidity and mortality. Early diagnosis and prompt aggressive treatment are essential to improve survival. Many risk factors have been identified. However, obstetric patients do not seem to have predisposing factors apart from pregnancy itself.

M. Lure; L. Barinagarrementeria; M. Belar; N. Marín; F. Ugalde

2005-01-01

173

DE VIAJES Y MIEDOS: LA AGORAFOBIA COMO UNA FORMA DE CONTROL ECONÓMICO  

Microsoft Academic Search

El objetivo del siguiente trabajo es describir casos análogos de fobia o miedo a los viajes en otras culturas y tiempos diferente a los modernos. En este sentido, consideramos que tanto la cultura aymará como la vida en la antigua roma nos proveen de ejemplos suficientes para considerar a la fobia a los viajes como un problema en extensión. Por

Maximiliano Korstanje

2008-01-01

174

Enseñanza de la Ingeniería de Software desde una Perspectiva de Trabajo Colaborativo  

Microsoft Academic Search

This paper presents the results of a CSCL (Computer Supported Collaborative Learning) experience, which was performed to Software Engineering courses in three countries. Co mputer Science undergraduate students from three Latin American universities performed theoretical and practical jo int sessions on software estimations in order to determine the deve lopment effort of a particular software project. During the experi ence

Maria I. Lund; Laura Aballay; Sergio F. Ochoa; Andres Neyem; Faber Giraldo

175

Una analisi Fisico-Matematica del processo del cambiamento di fase  

Microsoft Academic Search

\\u000a Summary  In this paper we study the phenomenon of the change of phase from a mathematical-physics point of view.\\u000a \\u000a We consider a medium bounded by two parallel planes and suppose that the thermal properties (e g. the mass density) are different\\u000a in the two phases and that the critical temperature is depending on the particle. This study has been done upon

Demore Quilghini

1965-01-01

176

Contrastación del modelo de in versión de Rusbult en una muestra de casados y divorciados  

Microsoft Academic Search

Este estudio examina la capacidad del modelo de in versión propuesto por Rusbult para diferenciar en - tre individuos en relaciones estables e individuos en relaciones inestables, así como la capacidad de las variables del modelo (satisfacción matrimonial, in versión y relaciones alternati vas) para predecir el compromiso y la estabilidad de las relaciones matrimoniales. Los datos sobre las varia

David Martínez-Íñigo

2000-01-01

177

Evaluación de Insatisfacción Corporal en adolescentes: Efecto de la forma de administración de una escala  

Microsoft Academic Search

Title: Assessment of Body Dissatisfaction in adolescents: effect of the way of administration a scale. Abstract: The aim of this paper is to discover if the way of administration a subscale of evaluation Body Dissatisfac- tion (BD), coming from a wider questionnaire, affects to the tendency of answer. In the investigation participated 147 students of sec- ondary school, age between

José Ignacio Baile; Rosa María Raich; Emilio Garrido; Ayuntamiento de Pamplona

2003-01-01

178

[Clip Sheets from BOCES. Opportunities. Health. Careers. = Oportunidades. Salud. Una Camera En...  

ERIC Educational Resources Information Center

|This collection of 83 clip sheets, or classroom handouts, was created to help U.S. migrants learn more about health, careers, and general "opportunities" including education programs. They are written in both English and Spanish and are presented in an easily understandable format. Health clip-sheet topics include the following: Abuse; AIDS;…

State Univ. of New York, Geneseo. Coll. at Geneseo. Migrant Center.

179

Manifestaciones de la Violencia Doméstica en una Muestra de Hombres Homosexuales y Mujeres Lesbianas Puertorriqueñas  

Microsoft Academic Search

This study analyzed a lesbian, gay, bisexual and transgender sample in Puerto Rico that experience domestic violence. The sample consists of 201 lesbian and gay subjects selected by availability that have been living together for sixth or more months. Findings suggest that psychological and physical abuse was statistically significant in the lesbian subjects. Sexual abuse was statistically significant in the

Felipe Reyes Mena; José R. Rodríguez; Sarah Malavé; San Juan

2005-01-01

180

A Guide to Delegate Preparation: UNA-USA Model UN Survival Kit. 1988-89 Edition.  

ERIC Educational Resources Information Center

Written by students for students, the purpose of the book, one of four components of the Model UN Survival kit, is to help prepare secondary and college student delegates for participation in Model United Nations (UN) Conferences. Model UN programs help students discover the difficulties of world political processes and understand other nations…

Muldoon, James P., Jr., Ed.; Diehl, John, Ed.

181

CARATTERIZZAZIONE A FATICA DI UNA LEGA DI ALLUMINIO PER ASTE DI PERFORAZIONE PETROLIFERE  

Microsoft Academic Search

In the present paper a 7xxx aluminum alloy is investigated. This alloy is used in Drill Pipe production for Oil drilling exploration due to its excellent trade-off between high strength and low density. After static and cyclic behaviour characterization, fatigue strength is experimentally investigated, through a wide test sequence on small scale specimens. In particular, Mean Stress Effect and Notch

M. Beghini; L. Bertini; M. Lucifora; C. Santus

182

Trattamento di una cisti follicolare con ritenzione di due incisivi in prossimità di un mesiodens  

Microsoft Academic Search

ObjectivesDental retention in healthy patients is caused by local factors such as supernumerary teeth, tumors, cysts or odontomas. The authors report a case of dental impaction due to a dentigerous cyst and a mesiodens.

D. A. Di Stefano; M. F. Valentino

2010-01-01

183

TESTIGOS DE JEHOVÁ Y TRANSFUSIÓN SANGUÍNEA: REFLEXIÓN DESDE UNA ÉTICA NATURAL  

Microsoft Academic Search

RESUMEN El rechazo por parte de los Testigos de Jehová de recibir transfusiones sanguíneas siempre ha representado para los médicos un conflicto ético y un problema en la relación médico paciente. Las razones de este grupo para rechazar las transfusiones se basan en motivos religiosos por un mandato explícito de Dios que se encontraría en la Biblia. Para ellos el

2006-01-01

184

Community Resources Guide for Central Florida = Una Guia de Recursos en la Comunidad de Florida Central.  

ERIC Educational Resources Information Center

|Designed to orient Hispanic refugees to the services that are available in Central Florida, this bilingual guide consists of a section of general information on living and working in the United States and a section devoted to various public and private agencies. Provided first are addresses and phone numbers of various government agencies:…

Medina, Linda, Comp.

185

Il volto della Luna da Plutarco a Newton. Storia di una teoria ellenistica della gravità  

NASA Astrophysics Data System (ADS)

In his dialogue "De Facie quae in Orbe Lunae apparet", Plutarch includes a discussion on a non-Aristotelian theory of gravity. I describe how this theory could be developed during the Hellenistic period and its influence on the cosmological debate along the centuries until the beginning of modern science. (Text in Italian)

Cappi, Alberto

2013-03-01

186

Caso clínico: coordinación en los cuidados de una paciente con cáncer de mama  

Microsoft Academic Search

In Spain, cancer is the leading cause of death in absolute terms. Statistically, the most frequent type of cancer in women in developed countries is breast cancer, which is becoming the leading cause of death from cancer among women.The breast cancer is statistically the most frequent in women and it is getting the first reason of death by cancer between

M. del Carmen Peinado-Barraso; M. del Rosario Cabrerizo-Cordero; Ana Eva Granados-Matute; Raquel Contreras-Fariñas

2008-01-01

187

Mantenimiento de la cadena del frío para las vacunas: una revisión sistemática  

Microsoft Academic Search

ObjetiveSystematic immunization programmes mostly depend on the correct maintenance and manipulation of the vaccines to be used, i.e. perfect maintenance of the cold chain. Therefore, we decided to carry out a systematic review of the literature on the cold chain and vaccines, to identify daily practices in vaccine sites.

Paloma Ortega Molina; Paloma Astasio Arbiza; Romana Albaladejo Vicente; Pilar Arrazola Martínez; Rosa Villanueva Orbáiz; José Ramón de Juanes Pardo

2007-01-01

188

Consumo de bebidas para una vida saludable: recomendaciones para la población mexicana  

Microsoft Academic Search

The Expert Committee in charge of developing the Bever- age Consumption Recommendations for the Mexican Population was convened by the Secretary of Health for the purpose of developing evidence-based guidelines for consumers, health professionals, and government officials. The preva- lence of overweight, obesity and diabetes have dramatically increased in Mexico; beverages contribute a fifth of all calories consumed by Mexicans.

Juan A Rivera; Onofre Muñoz-Hernández; Martín Rosas-Peralta; Carlos A Aguilar-Salinas; Barry M Popkin; Walter C Willett

2008-01-01

189

Neumotórax complicado en una gestante a término: tratamiento mediante cesárea y videotoracoscopia simultáneas  

Microsoft Academic Search

Spontaneous pneumothorax rarely occurs during pregnancy. The most common cause is almost always related to the presence of apical blebs or bullae. The most frequent symptoms are chest pain and dyspnea and chest radiography usually confirms the diagnosis. The treatment of choice is insertion of a chest drain and surgery should be considered in recurrent pneumothorax or persistent air leaks.

Pedro Rodríguez Suárez; Margarita Medina Castellano; Elena Cortes Cros; Miguel A. Barber Marrero; Jorge Freixinet Gilart; José A. García Hernández

2008-01-01

190

Efectos de la Terapia Cognitiva basada en la Atención Plena: una aproximación cualitativa  

Microsoft Academic Search

The Mindfullness Based Cognitive Therapy (Segal, Williams and Teasdale, 2002) is a treatment of eight weeks of duration developed initially for the prevention of relap- ses in depression. In this article are presented the qualitative aspects of the application of a program in TCAP in users of two Units of Mental Health in the island of Tenerife with anxious and

A. Cebolla; M. T. Miró; María Teresa; MIRÓ BARRACHINA

191

Vacunación idiotípica en linfomas B de bajo grado: una nueva terapia antitumoral  

Microsoft Academic Search

Resumen  El idiotipo de la inmunoglobulina (Ig) de superficie de los linfomas B puede ser reconocido como antigénico por el sistema\\u000a inmune. Presentamos el resultado del primer ensayo de inmunización idiotípica en pacientes con linfoma folicular de bajo grado\\u000a que se ha llevado a cabo en Europa.\\u000a \\u000a Hemos vacunado a 7 pacientes, la mayoría tratados previamente con quimioterapia y trasplante autólogo.

José Rafael Cabrera; Yvelise Barrios; Rosa Yáñez; Manuel N. Fernández; Fernando Díaz de Espada

2001-01-01

192

Los archivos en el régimen franquista. La memoria histórica de una etapa política  

Microsoft Academic Search

The article summarizes the performances that the Franco government in relation to the policy of archives impelled during almost the forty years of military dictatorship. As a result of the lack of interest which showed their political people in charge and the lack of public investment towards the archivist centers during so many decades, meant that the government of the

Mariona Corominas Noguera

2008-01-01

193

UNA GENERACION ENERGETICA DE LAS CONDICIONES DE CONTORNO EN LAMINAS DE LOVE-KIRCHHOFF  

Microsoft Academic Search

SUMMARY A classical problem in Love-Kirchhoff shell theory stays in statical boundary conditions definition. Following some papers mainly dedicated to the construction of complete shell the~ries~~'~~, the authors show how to obtain boundary conditions consistent with an uncomplete shell theory, as the Love-Kirchhoff theory, by an energy approach compatible with previous work.

S. MONLEON; J. F. MOYA; J. CASANOVA; P. FUSTER

1989-01-01

194

Employing UNAS technology for software architecture education at the University of Southern California  

Microsoft Academic Search

There are many reasons for integrating industry's software technology into the university system at the graduate level. This paper discusses efforts by TRW, Rational Software Corporation, and the University of Southern California's Software Engineering department to integrate software architecture technology into USC's software engineering curriculum. University and industry goals and strategies are first addressed followed by a purpose for using

Walker Royce; Barry Boehm; C. Druffel

1994-01-01

195

Caracterización de Klebsiella pneumoniae productora de la ?-lactamasa SHV-5, en una unidad de cuidados intensivos  

Microsoft Academic Search

Objective. To perform the molecular characterization of Klebsiella pneumoniae isolates from pediatric patients and health care workers at the intensive care unit of a tertiary care hospital in Mexico City. Material and Methods. Fif- teen Klebsiella pneumoniae isolates collected during an out- break in June 1996 were analyzed; eight were from patients and seven from health care workers of Mexico's

Verónica Andrade

196

Promoviendo una Alimentación Saludable (PAS) design and methods: engaging Latino families in eating disorder treatment.  

PubMed

The use of culturally sensitive intervention could improve mental health care for the eating disorder (ED) treatment in the Latino population. The aim of this report is to describe the rationale, design, and methods of the ongoing study entitled "Engaging Latino families in eating disorders treatment." The primary aim of the study is to compare (a) the combined effect of individual cognitive behavioral therapy for bulimia nervosa (CBT-BN) that has been previously adapted for the Latino population plus Family Enhanced (FE) modules, with (b) the standard adapted individual CBT-BN in a proof-of-principle study with 40 Latina adults with eating disorders and one relative or significant other per patient. We hypothesize that 1) the feasibility, acceptability, and adherence of participants in CBT-BN+FE will be superior to individual CBT-BN only; 2) relatives in CBT-BN+FE will report greater treatment satisfaction, greater reduction in family conflict, and greater decreases in caregiver burden than relatives in the individual CBT-BN only condition; and 3) patients who participate in CBT-BN+FE will show trends towards greater decreases in ED symptoms compared with patients in CBT-BN only; although power will be limited to detect this difference. However, we predict that they will show greater retention in treatment, greater treatment satisfaction, and greater decreases in family conflict than patients in CBT-BN only. The completion of this investigation will yield important information regarding the acceptability and feasibility of a culturally sensitive evidence-based treatment model for Latinos with eating disorders. PMID:23376815

Reyes-Rodríguez, Mae Lynn; Bulik, Cynthia M; Hamer, Robert M; Baucom, Donald H

2013-01-31

197

LOS EFECTOS MATERNOS Y EL SISTEMA INMUNE EN UNA PATOLOGÍA ENDÉMICA: LA ENFERMEDAD DE CHAGAS  

Microsoft Academic Search

MATERNAL EFFECTS AND IMMUNE RESPONSE. STUDIES IN THE ENDEMIC CHAGAS' DISEASE Pregnancy in mammals results from the coexistence during gestation of two organisms that constantly interact through various stimuli, namely, the antigenic ones. The young are submitted to the influences of the maternal environment, notably nutritional and immunological, during gestation and in the first stages of intrauterine life. For this

NORA RAQUEL PUIG; HÉCTOR OSCAR DÁVILA

2007-01-01

198

La emigración española a Estados Unidos: una aproximación desde los microdatos censales de 1910  

Microsoft Academic Search

Este artículo tiene como objetivo principal explorar las características demográficas y el efecto de la desigual distribución de efectivos por sexos en las pautas matrimoniales de los inmigrantes y segunda generación de españoles en Ybor City (Tampa, Florida, Estados Unidos) a principios de siglo XX. Ybor City, además de proporcionarnos detalles de la poco estudiada emigración a Estados Unidos, es

Albert Esteve Palós; Àngels Torrents i Rosés; Clara Cortina Trilla

2007-01-01

199

Diseño de una vía clínica para la atención a los pacientes con esclerosis múltiple  

Microsoft Academic Search

IntroductionClinical pathways are standard health care methods to coordinate clinical work, reduce inter-clinician variability, improve patient care and increase staff and patient satisfaction. The aim of this study is to develop a clinical pathway capable of organising and developing standard procedures for diagnosis, treatment and care in patients with multiple sclerosis and to coordinate all medical specialists involved in this

C. Oreja-Guevara; A. Miralles; J. García-Caballero; S. Noval; L. Gabaldón; M. D. Esteban-Vasallo; M. J. García-Matres; C. Bayón-Pérez; A. Royo; A. González; A. Hernanz; M. R. López-Pajares; J. L. Morante; E. Díez-Tejedor

2010-01-01

200

Las cicatrices de la exclusión social: Una aproximación ética de la inclusión para América Latina  

Microsoft Academic Search

Many of the human behavior trends break our own principles and essential values in social praxis, therefore generating confrontation among groups, breaking institutional rules created by the man for itself in order to regulate and arrangement of our acting conducts. Thus, important sector remain marginal to individual aspirations, being collectivized while increasing rule, principles and values breaking. Social co-existence being

José Pérez Veloz

2006-01-01

201

Hacia la conformación de una matriz genérica para el microcuento hispanoamericano  

Microsoft Academic Search

This article seeks to trace some demarcations around the generic statute of the short short stories in the contemporary Spanish American narrative. Starting from an extracted corpus of a canonical anthology, the Brevísíma relación del microcuento hispanoamericano, of Juan Armando Epple, we guide ourselves to give bill of some constant characteristic of this narrative format, which emerge of the structural

José Luis Fernández Pérez

2005-01-01

202

EXPANSIÓN POBLACIONAL DE UNA ESPECIE INTRODUCIDA EN LA ARGENTINA: LA ARDILLA DE VIENTRE ROJO CALLOSCIURUS ERYTHRAEUS  

Microsoft Academic Search

Population expansion of an exotic mammal in Argentina: the Red-Bellied Squirrel Callosciurus erythraeus. Biological invasions are one of the major threats to biodiversity and ecosystem functioning, and they provoke economic losses to productive systems. A wild population of the Red-Bellied Squirrel Callosciurus erythraeus, native to South-east Asia, has established in the province a Buenos Aires (Argentina) since 1973. The objective

M. Laura Guichón; Marcelo Bello; Laura Fasola

2005-01-01

203

La sombra de una d(e)uda: publicitarios y cineastas  

Microsoft Academic Search

Parallel in time though always tending towards esthetic convergence and narrative hybridization, the history of the cinema and the history of advertising continue, against all predictions, to mutually exclude each other. Absurdly embarked upon a sterile and already over-long debate on their respective specificities, both disciplines compete to achieve within the convulsed and ever more intermediatic contemporary iconosphere that position

Fernando de Felipe

2006-01-01

204

La política económica en el reinado de Alfonso XII: una década tranquila  

Microsoft Academic Search

Los ministros de Hacienda del reinado de Alfonso XII asumieron muchas decisiones adoptadas en el Sexenio democrático en los ámbitos de la política monetaria, fiscal y arancelaria. Entre ellas la instauración de la peseta como moneda nacional, la concesión del monopolio de emisión de billetes al Banco de España, la rectificación de la Hacienda revolucionaría llevada a cabo entre 1872

Miguel Martorell Linares

2003-01-01

205

La inteligencia competitiva en España: una encuesta sobre su utilización por parte de las empresas exportadoras  

Microsoft Academic Search

This article analyses the results of a survey among Spanish exporters, and the experiences of four organisations implementing a formal competitive intelligence programme. The research confirms that a formal approach to competitive intelligence, rather than informal or discontinuous approaches, gives businesses of all sizes competitive advantage, and justifies the value of its implementation by Spanish exporters. However, competitive intelligence as

Jorge Postigo

2001-01-01

206

ACTUALIZACIÓN EN EL TRATAMIENTO DE LA ESTOMATITIS AFTOSA RECURRENTE A TRAVÉS DE UNA REVISIÓN BIBLIOGRÁFICA  

Microsoft Academic Search

The recurrent aphthous stomatitis is a painfull ulceration of the oral mucose that appeared in children in school age and in adults and it is observed between 10 and 60% of the population. It has been classified according to the shape of appearance, size and number of lessions and duration. It is a broadly observed pathology in the world population

María Gabriela Acosta; Iraida Labrador

2007-01-01

207

NEL GHETTO DI ROVIGO TRA SEI E SETTECENTO UNA FAMIGLIA DI EBREI \\  

Microsoft Academic Search

This research derives from a collection of Jewish lunar calendars, accurately conserved by the Voghera family since the end of the eighteenth Century. With the aid of comparisons with Community Archives and State Archives, a reconstruction of the Voghera Jewish family is performed. It is a family of poor tradesmen, connected with Jewish families of nearby Emilia. Moreover, by the

Laura Voghera Luzzatto

2003-01-01

208

Use of a Telecamera as a Contrast Monitor USO di Una Telecamera Come Monitor di Contrasto.  

National Technical Information Service (NTIS)

An automatic system is described for aiding photographic surveys of the solar photospheric granulation which significantly influence the conditions for viewing. The emitted signals from a telecamera, and characteristics of a suitable optical system are an...

V. Croce G. A. Debiase F. Fabbri M. F. Toniolo

1972-01-01

209

¿Las Experiencias Paranormales son Psicológicamente Perturbadoras? Una Encuesta Comparando Estudiantes Universitarios y Aficionados a Temas Paranormales  

Microsoft Academic Search

A survey of anomalous\\/paranormal experiences was carried out in two groups: readers of paranormal issues (RPT) ( n= 432) and psychology undergraduate students (n=392). A questionnaire was devised in order to measure type and frequency of experiences and the degree of disturbance they generated. Over two thirds of the RPT respondents and half of the student respondents reported to have

Daniel E. Gómez Montanelli; Alejandro Parra

210

Considerazioni sull'ipotesi di constituzione di una nuova Sezione UAI  

NASA Astrophysics Data System (ADS)

On June 12, 2004 during the UAI Board Meeting held in Napoli, among other subjects, the members discussed the possibility to create a new UAI section. It would be identified as "Instruments Section". Basically, it would be a group of individuals interested in observative technology, who would dedicate themselves to the right utilization of astronomy instruments and accessories, particularly hardware and software, to the creation of a special database which amateur astronomers would consult and download, get information from, tips, files, applications schemes, charts, figures, instrument tests and so on. The "Astronomia UAI" monograph 6/2004 represents the first file of the above mentioned database, since it deals essentially with the remote and/or automatic control of astronomical observing and imaging by means of personal experiments developed by Mario Dho and Salvatore Massaro. Future perspectives and ideas to launch the new Section are presented.

Dho, Mario

2005-04-01

211

UNA APROXIMACIÓN JURÍDICO-TEÓRICA AL CONCEPTO DE MAAT: DE MAAT AL DERECHO CONSUETUDINARIO  

Microsoft Academic Search

We can say, without fear of being wrong, that at least in the first times and up to the coming into effect of a real Legal Code already in late periods, the ancient Egyptians were governing his relations based on an Unwritten law. This approach that we present is the base of the theory that will be developed soon, by

M. Teresa Soria Trastoy

212

Contaminación del Aire Atmosférico por Material Particulado en una Ciudad Intermedia: El Caso de Chillán (Chile)  

Microsoft Academic Search

Through an analysis of the urban contamination of the city of Chillán in Chile, it is demonstrated that the increase in atmospheric pollution during autumn and winter in the city of Chillán must be considered as a problem of anthropogenic origin. This is explained mainly due to the massive use of wood for residential heating in urban areas of the

José E. Celis; José R. Morales; Claudio A. Zaror; Omar F. Carvacho

2007-01-01

213

Pasando por comadrona, midwife y médico: el itinerario terapéutico de una embarazada  

Microsoft Academic Search

In this article, I discuss, according to the theoretical-analytical framework of Menendez (1994), how women and their midwives fo- llow a plural therapeutical itinerary during pregnancy and labor in the region of Antigua, Guatemala. I look foward to present and analyze an example of a delivery that happened during my research, first, as

Soraya Fleischer

2006-01-01

214

Trastorno obsesivo compulsivo en niños y adolescentes: una actualización. Primera parte  

Microsoft Academic Search

The obsessive-compulsive disorder (OCD) is being reported now with increased prevalence in pediatric population than in the past, associated with the development of more specific assessment methods. This evolution has opened the possibility to characterize OCD presentation in children and adolescents. OCD in childhood is a chronic and distressing disorder that can lead to severe impairments in social, academic and

Luis Alberto Vargas Álvarez; Lino Palacios Cruz; Guillermo González Thompson

215

Un diagnóstico de la situación del profesorado en España desde una perspectiva comparativa  

Microsoft Academic Search

A diagnosis of the situation of teachers in Spain from a comparative perspective This article examines the situation of teachers in Spain and takes into account comparable aspects from an international teaching perspective:training,recruitment,working conditions and salaries.The author begins with a description of the current teacher population which depicts in particular the increasing age of teaching staff and the feminization of

Francesc Pedró

216

El espejo deformado: Una propuesta de análisis del reciclaje en la ficción audiovisual norteamericana  

Microsoft Academic Search

This paper is an approach to the different ways in which a narrative material can be reused in the cultural industries through the case study of the United States. Starting from the present situation of the investigations on literary

José Manuel de Pablos Coello

2006-01-01

217

HÍGADO GRASO NO ALCOHÓLICO EN RATAS MACHOS DE UNA LÍNEA CON DIABETES GENÉTICA  

Microsoft Academic Search

Non-alcoholic fatty liver is a common disease closely related to the increasing prevalence of obesity and type 2 diabetes in the general population. The eSS rats display a non obese type 2 diabetic syndrome with an insulin resistant state characterized by hyperglycaemia, hypertriglyceridemia and hyperinsulinemia. In 12 month-old eSS males glycaemia, fructosamine, triglyceridemia and reactive species to oxygen were evaluated,

Stella Maris Daniele; Juan Carlos Picena; Silvana Marisa Montenegro; María Cristina Tarrés; Stella Maris Martínez

218

Historia Verdadera de Una Gota de Miel. (The True Story of a Drop of Honey).  

ERIC Educational Resources Information Center

Part of the series "Coleccion Mini-Libros" (Mini-Book Collection), the booklet is a factual account of the life of a bee. Designed to provide a tool for education of the Spanish-speaking child, as well as to stimulate an interest in Spanish among the youth of our country, the publication is a compilation of photographs with a description of bees…

Galarza, Ernesto

219

USO DE UNA ZEOLITA CUBANA EN CULTIVOS DE DOS ESPECIES DE MICROALGAS MARINAS  

Microsoft Academic Search

A natural zeolite Cuban was used enriched for the cultivation of the marine microalgae Tetraselmis suecica and Chaetoceros ceratosporum, species used in the feeding of shrimp larvae in cultivation. Different zeolite concentrations were proven (5, 10 and 25 mg\\/L) adding it to the culture media Guillard \\

Sylvia Leal; Elvira Alfonso; Rafael Curbelo

220

Un índice de carencias en la niñez. Una aproximación por Dpartamentos para Colombia  

Microsoft Academic Search

RESUMEN En este trabajo se construye un indicador sintético, denominado Índice de Carencias para la Niñez Colombiana (ICNC). El ICNC resume el acceso a un conjunto de bienes y servicios en áreas clave para el bienestar y cumplimiento de los derechos del niño. En particular, las carencias que mide el ICNC tienen el objeto de dar a conocer si los

Luis Fernando Aguado Quintero; Ana María Osorio Mejía; Carlos Alberto García González

2009-01-01

221

Una Colonia de Obreros: East Chicago, Indiana. (A Colony of Workmen: East Chicago, Indiana.)  

ERIC Educational Resources Information Center

|The article gives a brief overview of the Mexicano experience in East Chicago, Indiana during the 1920s and characterizes it within the context of the Mexicano unskilled laborer experience in a region where productive increases were of tantamount importance. (AUTHOR/NQ)|

Sepulveda, Ciro

1976-01-01

222

Creación de una base de conocimiento para el ajuste de dosis  

Microsoft Academic Search

Palabras-clave: Sistemas de prescripción electrónica, Prescripción de drogas, Dosificación de drogas Abstract - Dosage error is one of the most important problems during drug prescription. Electronic prescribing systems supported by medical decision making schedules is a useful tool in order to avoid these mistakes. This article describe the methodological and practical aspects related to the development of a knowledge base.

Daniel Luna; Carlos Musso; Cecilia Marini; Pablo Figueroa; Alejandro Lopez Osornio; Marcela Martinez; Fernando Gassino; Fernán Gonzalez; Bernaldo de Quirós

2004-01-01

223

Il trattamento di una grave neuropatia diabetica con insulina somministrata per via endorachidea  

Microsoft Academic Search

Riassunto Viene descritto un caso di grave poliradicoloneurite diabetica che non aveva tratto alcun miglioramento da un lungo trattamento con vitamina B1 e B12 ad alti dosaggi. Esso giunse a guarigione somministrando insulina direttamente nello speco vertebrale.

Sergio Marigo; Enrico Ferrero

1964-01-01

224

Movimiento de un líquido ideal pesado en una vasija elástica no acotada  

Microsoft Academic Search

In this paper one considers the problem about small oscillations of an ideal heavy liquid contained in an unbounded elastic container produced by initial perturbations of the bottom and of the own free surface. Our aim is to use the known results about differential equations on Banach spaces for the study of the solubillity in general sense of the system

ANDRÉS FRAGÜELA

225

VARIABLES SIGNIFICATIVAS EN LAS RELACIONES VIOLENTAS EN PAREJAS JÓVENES: UNA REVISIÓN  

Microsoft Academic Search

Resumen La violencia en las parejas jóvenes es un precursor de la violencia en las pare- jas adultas. En las parejas jóvenes la violencia suele ser psicológica, plantearse de forma sutil y ser menos grave que en las parejas en la vida adulta. Por lo que se refiere a los agresores, la violencia es más frecuente cuando hay ciertas variables

Itxaso González-Ortega; Enrique Echeburúa; Paz de Corral

2008-01-01

226

Una visión del Egipto Ptolemaico según la Carta de Aristeas a Filócrates  

Microsoft Academic Search

The Letter of Aristeas tells about the Greek translation on the Torah made by seventy-two Jewish scholars from Jerusalem at the court of Ptolemy Philadelphus. The author uses regular forms and motives from the Greek literature. The aim of this article is to show how the descriptions (ekphráseis) of Ptolemys gifts and the Eleazars priestly garments have the purpose to

Diana Frenkel

227

L'eficàcia de l'emplaçament de productes entre els infants: una prova experimental  

Microsoft Academic Search

In recent years, a noticeable increase in the use of non-con- ventional TV advertising has taken place. However, hardly any studies have been carried out to understand how these for- mats influence young viewers. This article presents the find- ings from an experimental study on the influence of product placement on children (aged 8, 10 and 12 years). The con-

MÒNIKA JIMÉNEZ; ASSUMPCIÓ HUERTAS; JOSÉ FERNÀNDEZ CAVIA

2009-01-01

228

La historia de la educación en el siglo XX. Una mirada desde España1  

Microsoft Academic Search

The history of education is both a discipline in itself or the subject of a number academic disciplines as well as a field of research. In this paper we analyse its development through the 20th century from its origins to its establishment as an academic discipline for the training of university staff and teachers in a number of different countries

INVESTIGACIÓN TEMÁTICA

229

El Amor Es Una Tara: Cuadernos De Todo , De Carmen Martín Gaite  

Microsoft Academic Search

The day the Spanish writer Carmen Martn Gaite (1925–2000) turned 36, her daughter Marta gave her a notebook, which she called\\u000a Cuaderno de todo – notebook for everything. It was the first notebook of many, and in them Martn Gaite wrote of personal events, her thoughts\\u000a and reflections, literary notes, observations and drafts for her novels, and other intellectual works.

Beatriz Celaya; Francisco de Quevedo

2007-01-01

230

La energía nuclear, una alternativa de sustentabilidad para resolver la demanda eléctrica en México. (Segunda parte)  

Microsoft Academic Search

The pres ent en ergy pol icy causes a high risk in the econ omy of Mex ico when not pro mot ing the ex pan - sion of the ca pac ity on the gen er a tion of elec tric ity by means of alternative power plants such as geo - ther mal, ae olian, so lar, bio

S. D. Bazán-Perkins

231

Estudio Fitoquimico de Una Plata Psicotominetica: Pernettya Parvifolia. (Phytochemical Study of a Psychomimetic Plant: Pernettya Parvifolia).  

National Technical Information Service (NTIS)

A phytochemical study was carried out with the botanical species Pernettya parvifolia, an erycaceae known in Ecuador as 'taclli' or 'taglli' and whose fruits when erroneously ingested by children confusing with an edible berry produce acule intoxication w...

L. Chavez E. De Naranjo P. Naranjo

1967-01-01

232

LA TOMOGRAFÍA POR EMISIÓN DE POSITRONES EN PATOLOGÍA QUIRÚRGICA DEL TÓRAX. UNA REVISIÓN  

Microsoft Academic Search

Positron emission tomographycomputed tomography in thoracic surgery. A revision. The introduction of positron emission tomography (PET) into the management of neoplastic disease in thoracic surgery signified an important change from classic algorithms based exclusively on anatomic information obtained through computed tomography (CT). Non-small cell lung cancer and solitary pulmonary nodule were the two diseases in which metabolic PET imaging offered

Jorge Lucena Olavarrieta

233

Economía Urbana y Calidad de Vida. Una revisión del estado del conocimiento en España  

Microsoft Academic Search

Quality of life is increasingly becoming a concept researched empirically and theoretically in the field of economics. In urban economics in particular, this increasing interest stems mainly from the fact that quality of life affects urban competitiveness and urban growth, research shows that when households and businesses decide where to locate, quality of life considerations can play a very important

Vicente Royuela; Diona Lambiri; Bianca Biagi

2006-01-01

234

EL MOTETE DE GORMAZ-BURGOS. UNA NUEVA APORTACIÓN AL ARS NOVA EN ESPAÑA  

Microsoft Academic Search

En el archivo diocesano de Burgos se encuentra un fragmento de mediados del siglo XIV, escrito, a lo que parece, en San Esteban de Gormaz que contiene el tenor de un Agnus Dei y un motete a 3 voces, que lleva al final la rúbrica \\

José López-Calo

1986-01-01

235

El Cuestionario de Salud SF36 español: una década de experiencia y nuevos desarrollos  

Microsoft Academic Search

ObjectiveThe Short Form-36 Health Survey (SF-36) is one of the most widely used and evaluated generic health-related quality of life (HRQL) questionnaires. After almost a decade of use in Spain, the present article critically reviews the content and metric properties of the Spanish version, as well as its new developments.

Gemma Vilagut; Montse Ferrer; Luis Rajmil; Pablo Rebollo; Gaietà Permanyer-Miralda; José M. Quintana; Rosalía Santed; José M. Valderas; Aida Ribera; Antonia Domingo-Salvany; Jordi Alonso

2005-01-01

236

Violencia sexual y problemas asociados en una muestra de usuarias de un centro de salud  

Microsoft Academic Search

Objective. To estimate the frequency of different forms of sexual violence and its association with mental health problems, such as depressive symptoms, suicidal ideation and attempt, and alcohol and drug use. Material and meth- ods. From February to March 1998, a cross-sectional study was conducted among 345 women attending a healthcare center in Mexico City. All women were living with

Luciana Ramos-Lira; María Teresa Saltijeral-Méndez; Martha Romero-Mendoza; Miguel Angel Caballero-Gutiérrez; Nora Angélica Martínez-Vélez

2001-01-01

237

Características bioquímicas y acción biológica de una hemorragina del veneno de Bothrops brazili  

Microsoft Academic Search

SUMMARY OBJECTIVE: To characterize a hemorrhagic protein from Bothrops brazili snake venom and to determi- ne if the polyvalent antibotropic serum is able to neutralize it. MATERIAL AND METHODS: A hemorrhagic protein from Bothrops brazili snake venom was purified through two chromatographical steps: Sephadex G-100 and CM Sephadex C-50, respectively, using 0,05M ammonium acetate buffer pH 7. In the last

MARTÍN ISLA; ORESTES MÁLAGA; ARMANDO YARLEQUÉ

238

Perspectiva sobre una Personalidad Senera: Carmen Fischer Ramirez (Perspective on a Singular Personality: Carmen Fischer Ramirez).  

ERIC Educational Resources Information Center

Traces the career of Carmen Fischer Ramirez, focusing on her work in improving early childhood education in Chile. Reviews her university career, work with the World Organization for Early Childhood Education, and major publications. (AC)

Quezeda, Dina Alarcon

1992-01-01

239

UNA METODOLOGÍA ADMINISTRATIVA PARA LAS PEQUEÑAS Y MEDIANAS EMPRESAS DE LA REGIÓN DE CELAYA  

Microsoft Academic Search

En los últimos años en nuestro país, ha venido cobrando especial relevancia el sector de los micros, pequeñas y medianas empresas (MIPyMES); las estrategias principales del gobierno, están enfocadas precisamente en el apoyo a este sector, que sustenta las cifras actuales de empleo. Sin embargo las condiciones económicas y financieras del entorno han generado un alto grado de incertidumbre, los

Nicolás Barajas-Andrade; Eugenio Guzmán-Soria; Juvencio Hernández-Martínez; Samuel Rebollar-Rebollar

2009-01-01

240

Retail internationalisation in practice: per una in the UK and Taiwan  

Microsoft Academic Search

Purpose – The purpose of this paper is to investigate the retail marketing strategies of one fashion retailer as they are applied in two national markets, and to identify means by which international retailer success may be assured. Design\\/methodology\\/approach – The paper is a qualitative case study. Findings – To be a successful international fashion retailer, the ability to apply

Stephen Wigley; Chu-Ling Rachel Chiang

2009-01-01

241

Historia Verdadera de Una Gota de Miel. (The True Story of a Drop of Honey).  

ERIC Educational Resources Information Center

|Part of the series "Coleccion Mini-Libros" (Mini-Book Collection), the booklet is a factual account of the life of a bee. Designed to provide a tool for education of the Spanish-speaking child, as well as to stimulate an interest in Spanish among the youth of our country, the publication is a compilation of photographs with a description of bees…

Galarza, Ernesto

242

Evaluación paramétrica y no paramétrica del desempleo pesquero en Marruecos: Una aplicación para el caso andaluz  

Microsoft Academic Search

RESUMEN El principal objetivo es el análisis de las medidas que las diferentes administraciones pusieron en marcha para reducir las altas tasas de desempleo en la población andaluza afectada por la paralización de la actividad pesquera como consecuencia de la finalización del Acuerdo de Pesca entre la Unión Europea y Marruecos desde el 30 de noviembre de 1999. Mediante la

Encarnación Cordón Lagares; Félix García Ordaz

2010-01-01

243

FENOLOGIA FLORAL DE UNA COMUNIDAD ARIDO-TROPICAL DE BAJA CALIFORNIA SUR, MEXICO  

Microsoft Academic Search

A flowering phenology study was carried out in a plant community close to the Gulf of California coast in the southern part of Baja California Sur, Mexico. The area is located on the border between two phytographical provinces: the Cape Region of arid-tropical features and the Sonoran Desert. Among several characteristics, the site presents a bimodal rain pattern, the maxima

JOSE LUIS LEON DE LA LUZ; ROCIO CORIA BENET; MINERVA CRUZ ESTRADA

244

Preparando a los futuros maestros contra el racismo: una experiencia formativa en la Universidad de Almería  

Microsoft Academic Search

The arrival of a large number of immigrants at Spanish schools has turned classrooms into multicultural spaces. This is the reason why prospective teachers must receive appropriate training in cultural diversity. This paper presents a detailed study of the concept of racism as perceived by a group of prospective teachers who took the course on \\

Rosario Isabel; HERRADA VALVERDE; Rosario Isabel Herrada Valverde; Carretera de Sacramento

2008-01-01

245

Los tratamientos psicológicos en la fobia social infantil y adolescente: una revisión cualitativa  

Microsoft Academic Search

Se presentan los resultados de un estudio cualitativo de revisión de la eficacia de los tratamientos psicológicos utilizados en la fobia social en niños y adolescentes. Se localizaron 26 investigaciones: 5 artículos son diseños de caso único, 6 presentan los datos de un solo grupo tratado y aportan medidas pretest-postest y 16 informes son grupos de comparación entre tratamientos psicológicos

Ana Isabel Rosa Alcázar; Pablo J. Olivares-Olivares; Marina Iniesta

2009-01-01

246

DESCRIPCIÓN DE LAS HABILIDADES SOCIALES EN ESTUDIANTES DE PSICOLOGÍA DE UNA INSTITUCIÓN DE EDUCACIÓN SUPERIOR  

Microsoft Academic Search

The present investigation consists describes the social skills (codes as HHSS) in students of Psychology of an institution of higher education.The measurement of the same ones was made with the Escalas Multidimensionales de la Expresión Social, motor part (EMES-M) and cognitive part (EMES-C) (Caballo, 1987, 1999) in its version adapted for Colombian college students population developed by Gutiérrez (2000). The

ÓSCAR MAURICIO; GALLEGO VILLA

247

VARIABLES ASOCIADAS A HIPERTENSION ARTERIAL EN UNA REGION DE LA ARGENTINA  

Microsoft Academic Search

Regional variables associated with high blood pressure in Argentina. We conducted a study in a random sample of 1523 inhabitants (15-75 years old) of Rauch city to determine risk factors prevalence to development hypertension and cardiovascular diseases. We measured blood pressure, weight, height, waist circumference, cholesterol and glucose levels, sodium excretion, and alcohol and tobacco consumption. We found a high

HORACIO A. CARBAJAL; MARTIN R. SALAZAR; BEATRIZ RIONDET; HORACIO F. RODRIGO; SUSANA M. QUAINI; VALENTIN RECHIFORT; MARCELO AIZPURUA; RAUL F. ECHEVERRIA

2001-01-01

248

El suicidio: más que una noticia, un tema de responsabilidad social  

Microsoft Academic Search

Suicide is undoubtedly a fact of great interest to mass media because of its social impact. However, there is great concern among the academic community and the critical mass about how this type of news are presented, the language used and the stylistic manage- ment of the fact, especially if we realize that teenagers and young people are vulnerable to

Henry Rubiano Daza; Tatiana Quintero Cabrera; Clara Inés; Bonilla Londoño

2007-01-01

249

DISEÑO, CONSTRUCCIÓN Y PUESTA EN SERVICIO DE UNA CELDA DE CARGA CON CAPACIDAD PARA 30 TONELADAS  

Microsoft Academic Search

In the development of an experimental tests bank, for a civil engineering application, it is necessary the design of a load measurement instrument capable of measure forces up to 30 tons. The later is the motive of the present work; in what follow it is present the design, construction and tuning of a load cell capable of measure load up

MIGUEL ÁNGEL DÍAZ; Ingeniero Mecánico; NUNZIO SCARCCELA; CARLOS MARMOLEJO; RUBÉN CHACÓN

2007-01-01

250

Musings on "Densidades, Potenciales y Funciones Asociadas a una Galaxia Reducida" by Poveda et al. (1960)  

NASA Astrophysics Data System (ADS)

We present a critical review on the paper "Densities, Potentials and related functions for a spherical reduced galaxy" by A. Poveda, R. Iturriaga, and I. Orozco published in 1960 in the Boletín de los Observatorios de Tonantzintla y Tacubaya (BOTT), 2, 20, 3.

López-Cruz, O.; Aguilar, L. A.; Añorve, C.

2011-04-01

251

El modelo de crecimiento hacia adentro: una interpretación del caso colombiano  

Microsoft Academic Search

En este trabajo se realiza un análisis de los fundamentos teóricos de la CEPAL, haciendo énfasis en las ideas que sobre la industrialización diseñó la institución. Se estudia la forma en que se integran las economías latinoamericanas con el resto del mundo y la manera en que las han afectado las crisis de los años treinta y luego la de

Luis E. Vallejo Zamudio

2003-01-01

252

La evaluación como proceso de legitimidad: la opinión de los alumnos. Reporte de una experiencia  

Microsoft Academic Search

En este trabajo se presentan diversas consideraciones sobre la importancia de legitimar la operación social y la gestión institucional en las organizaciones educativas, considerando que uno de los elementos estriba en el derecho a opinar de los alumnos sobre el desempeño docente de sus profesores. En el trabajo se reporta el análisis de 26 010 cuestionarios contestados por los alumnos

FELIPE TIRADO SEGURA; ALEJANDRO MIRANDA DÍAZ; Y ANDRÉS SÁNCHEZ MOGUEL

2007-01-01

253

Evaluación de una unidad de rehabilitación de salud mental realizada por pacientes con trastorno esquizofrénico  

Microsoft Academic Search

For the present study we asked 74 schizophrenic patients to fill in a questionnaire. The purpose of this work was to find out their perception and satisfaction with the following aspects: measures of the treatments' efficacy, human and material resources of our service, quality of the relationship. In our conclusions we reflect on the utility of this type of studies.

Carlos CUEVAS YUST; Remedios DORADO GARCÍA; Agustina HERVÁS DE LA TORRE; Margarita LAVIANA CUETOS; Manuel Jesús; MARTÍNEZ LÓPEZ; Emilia NAVARRÓN CUEVAS; Salvador PERONA GARCELÁN; José Manuel; RAMOS LEÓN; Servicio Andaluz de Salud

254

Una propuesta de recorrido bibliográfico por las migraciones femeninas en España  

Microsoft Academic Search

A bibliographical journey through female migration in Spain This article refers to the key points arised from more than 100 works (published or unpub- lished) on female immigration that have came out in Spain during the last decade. What we propose here is to look over these materials in order to identify the most important characteristics. This essay will allow

Gemma Aubarell; Avda. Diagonal

2000-01-01

255

Formulation of a correlated variables methodology for assessment of continuous gas resources with an application to the Woodford play, Arkoma Basin, eastern Oklahoma [Metodolog??a para la evaluaci??n de recursos de gas para el caso de yacimientos continuos usando m??ltiples variables correlacionadas, con un estudio de la arcilla Woodford, cuenca de Arkoma, Oklahoma oriental, EEUU  

USGS Publications Warehouse

Shale gas is a form of continuous unconventional hydrocarbon accumulation whose resource estimation is unfeasible through the inference of pore volume. Under these circumstances, the usual approach is to base the assessment on well productivity through estimated ultimate recovery (EUR). Unconventional resource assessments that consider uncertainty are typically done by applying analytical procedures based on classical statistics theory that ignores geographical location, does not take into account spatial correlation, and assumes independence of EUR from other variables that may enter into the modeling. We formulate a new, more comprehensive approach based on sequential simulation to test methodologies known to be capable of more fully utilizing the data and overcoming unrealistic simplifications. Theoretical requirements demand modeling of EUR as areal density instead of well EUR. The new experimental methodology is illustrated by evaluating a gas play in the Woodford Shale in the Arkoma Basin of Oklahoma. Differently from previous assessments, we used net thickness and vitrinite reflectance as secondary variables correlated to cell EUR. In addition to the traditional probability distribution for undiscovered resources, the new methodology provides maps of EUR density and maps with probabilities to reach any given cell EUR, which are useful to visualize geographical variations in prospectivity.

Olea, R. A.; Houseknecht, D. W.; Garrity, C. P.; Cook, T. A.

2011-01-01

256

Valores hematológicos en vacas de raza Holstein-Friesian seropositivas a Neospora caninum de la cuenca lechera de Tizayuca, Hidalgo, México* Hematological values in Holstein-Frie sian Neospora caninum seropositive cows from the dairy cattle region of Tizayuca in the State of Hidalgo in Mexico  

Microsoft Academic Search

Since bovine neosporosis has only recently been recognized in Mexico, not sufficient clinical or pathological analyses have been carried out upon this parasite. The aim of this study was to find out if there were variations in hematological values of cows found to be positive to anti-Neospora caninum antibodies which could carry latent tachyzoites in tissues, as compared with cows

Pablo Calzada Calzada; Elizabeth Morales Salinas; Gerardo F. Quiroz-Rocha; Frida Salmerón Sosa; Carlos García Ortiz; Javier Hernández Balderas

257

INFLUENCIA DE LA VARIABILIDAD EDAFICA EN LA PRODUCCION DE BIOMASA DEL CULTIVO DE LA UÑA DE GATO Uncaria Tomentosa (Willd) D.C. EN LA CUENCA DEL RIO AGUAYTIA, REGION UCAYALI PERU EDAPHIC VARIABILITY INFLUENCE ON THE BIOMASS PRODUCCTION OF CAT'CLAW Uncaria tomentosa (Willd) D.C. IN THE AGUAYTIA WATERSHED, UCAYALI, PERU  

Microsoft Academic Search

Four cat'claw Uncaria tomentosa (Willd) D.C plantations were installed in May 2003 along the Aguaytia river basin in Ucayali, Peru. The plants corresponded to clone 11, in vitro cultured, at the Institute of Biotechnology (IBT) of the Agrarian University (UNALM). The experiment was based on the determination of the edafo-climatic influence on the behavior of this species as a crop.

Teresa E. Mechán; Julio Alegre; Gilberto Domínguez

2007-01-01

258

Hydrogeology and groundwater flow in a basalt-capped Mesozoic sedimentary series of the Ethiopian highlands  

NASA Astrophysics Data System (ADS)

A hydrogeological study was undertaken in the Zenako-Argaka catchment, near Hagere Selam in Tigray, northern Ethiopia, during the rainy season of 2006. A geological map was produced through geophysical measurements and field observations, and a fracture zone identified in the north west of the catchment. A perched water table was found within the Trap Basalt series above the laterized upper Aram Aradam Sandstones. A map of this water table was compiled. Water-level variation during the measurement period was at least 4.5 m. Variation in basal flow for the whole catchment for the measurement period was between 12 and 276 m3/day. A groundwater flow model was produced using Visual MODFLOW, indicating the general direction of flow to be towards the south, and illustrating that the waterways have only a limited influence on groundwater flow. The soil water budget was calculated for the period 1995-2006, which showed the important influence of the distribution of rainfall in time. Although Hagere Selam received some 724 mm of rainfall per year over this period, the strong seasonal variation in rainfall meant there was a water deficit for on average 10 months per year. Une étude hydrogéologique a été entreprise sur le bassin versant de Zenako-Argaka, près Hagere Selam en Tigray, Ethiopie du Nord, pendant la saison des pluies 2006. Une carte géologique a été dressée sur la base de relevés géophysiques et d’observations de terrain et une zone fracturée localisée au Nord-Ouest du bassin. Un aquifère perché a été découvert dans la série de trapps basaltiques, au dessus des grès latéritisés du Aram Aradam supérieur. Une carte de cet aquifère a été dressée. La variation du niveau de l’eau durant la période de mesure a été au minimum 4.5 m. La variation du flux de base pour l’ensemble du bassin pendant la période de mesure était comprise entre 12 et 276 m3/jour. Un modèle d’écoulement a été établi avec Visual MODFLOW, indiquant une direction générale d’écoulement vers le Sud, et montrant que les chenaux ont une influence limitée sur l’écoulement de l’aquifère. Le bilan sol eau établi pour la période 1995-2006 montre le rôle important de la distribution des précipitations dans le temps. Bien que Hagere Selam ait reçu quelques 724 mm d’eau par an durant cette période, la forte variation saisonnière des précipitations fait qu’il y a eu un déficit de précipitation 10 mois par an en moyenne. Se llevó a cabo una investigación hidrogeológica en la de Cuenca Zenako-Argaka, cerca de Hagere Selam en Tigray, en Etiopía del Norte, durante la estación lluviosa de 2006. Se produjo un mapa geológico a través de mediciones geofísicas y observaciones de campo, y se identificó una zona de fractura en el noroeste de la cuenca. Se encontró una capa freática colgada dentro de las series de Trap Basalt, por encima de las areniscas Aram Aradam laterizadas. Se compiló un mapa de esta capa freática. Las variaciones del nivel freático durante el período de medición fue de por lo menos 4.5 m. La variación en el flujo de base para la totalidad de la cuenca durante el período de medición fue entre 12 y 276 m3/día. Se desarrolló un modelo de flujo de agua subterránea usando Visual MODFLOW, que indica que la dirección general de flujo es hacia el sur, e ilustra que los cursos de agua tienen solamente una influencia limitada sobre el flujo subterráneo. Se calculó el balance de agua del suelo para el período 1995-2006, lo cual mostró la influencia importante de la distribución de la lluvia en el tiempo. Aunque Hagere Selam recibió alrededor de 724 mm de lluvia por año durante este período, la fuerte variación estacional en la precipitación significó un promedio de déficit de agua durante 10 meses por año. Foi realizado um estudo hidrogeológico na bacia hidrográfica de Zenako-Argaka, perto de Hagere Selam, em Tigray, norte da Etiópia, durante a época das chuvas de 2006. Produziu-se um mapa geológico com base em medições geofísicas e observações de campo

Vandecasteele, Ine; Nyssen, Jan; Clymans, Wim; Moeyersons, Jan; Martens, Kristine; van Camp, Marc; Gebreyohannes, Tesfamichael; Desmedt, Florimond; Deckers, Jozef; Walraevens, Kristine

2010-12-01

259

Application of the groundwater-balance equation to indicate interbasin and vertical flow in two semi-arid drainage basins, Mexico  

NASA Astrophysics Data System (ADS)

An analysis of horizontal inflow and outflow in the groundwater-budget equation and the significance for interbasin flow are presented. Two field cases in Mexico, one in the Baja California peninsula and another in central Mexico, highlight the influence of interbasin flow. A significant proportion (approximately 70%) of the ed (thermal) groundwater probably originates outside the drainage basin. A conclusion is that a groundwater-balance study is an unsatisfactory method for determining some parameters, such as storativity (S). Specifically, the groundwater-balance approach provides unreliable results when vertical inflow is ignored or cannot be adequately defined. Vertical flow is indicated by the presence of groundwater temperatures as much as 23 °C higher than ambient temperature. Regional faults could be the pathways for upward flow. When vertical inflow is ignored, uncertainty in the estimation of the storativity through regional groundwater-balance calculation results. On the basis of the groundwater-balance equation, a value of S=0.19 appears to represent the confined condition of the developed part of the aquifer; this result is several orders of magnitude higher than would be reasonable according to the geological conditions. Findings are useful in evaluating whether a groundwater resource is being "overexploited". Conclusions are instructive in the application of transient-flow computer models, in which vertical flow of less dense water from beneath is not included. Résumé. L'article présente une analyse des entrées et des sorties horizontales dans l'équation du bilan d'une nappe et leur signification dans les écoulements entre bassins. Deux exemples provenant du Mexique, l'un dans la péninsule de Basse Californie, l'autre dans le centre du Mexique, mettent en lumière l'influence de l'écoulement entre bassins, où une proportion significative (environ 70%) de l'eau souterraine extraite, thermale, a probablement son origine hors du bassin. Une conclusion est qu'une étude par bilan de la nappe est une méthode qui n'est pas satisfaisante pour déterminer certains paramètres comme le coefficient d'emmagasinement. En particulier, l'approche par le bilan de la nappe donne des résultats qui ne sont pas fiables lorsque l'on ignore la drainance verticale ou que l'on ne peut pas la définir correctement. L'existence d'une drainance verticale est prouvée par des températures de l'eau souterraine pouvant être supérieures de 23 °C à la température ambiante. Des failles régionales peuvent permettre ces écoulements vers le haut. Lorsque l'on ignore la drainance verticale, on introduit une incertitude sur l'estimation de l'emmagasinement à partir des calculs du bilan régional de la nappe. Sur la base de l'équation du bilan de la nappe, une valeur de S=0,19 semble représenter les conditions captives de la partie développée de l'aquifère ce résultat est plus élevé, de plusieurs ordres de grandeur, que celui que l'on peut raisonnablement attendre des conditions géologiques. Ces résultats sont utiles pour évaluer si une ressource en eau souterraine est "surexploitée". Ces conclusions sont intéressantes lorsque l'on applique des modèles d'écoulement transitoire dans lesquels on ne prend pas en compte la drainance verticale d'une eau plus légère remontant. Resumen. En este trabajo, se investigan las entradas y salidas de flujo horizontal en la ecuación de balance de agua subterránea, así como el papel que desempeñan en el flujo entre cuencas. Se analizan dos ejemplos de México, uno en la Península de Baja California y otro en la parte central del país. En ambos, destaca la influencia del flujo entre cuencas, ya que se estima que una parte importante (aproximadamente el 70%) del agua termal extraída procede de una cuenca superficial externa. Se concluye que el método basado en cálculos de balance de agua subterránea no es satisfactorio para determinar algunos parámetros, como, por ejemplo, el coeficiente de almacenamiento (S). En particular, la ecuación de ba

Carrillo-Rivera, J. J.

2000-09-01

260

Climate change impacts on groundwater resources: modelled deficits in a chalky aquifer, Geer basin, Belgium  

NASA Astrophysics Data System (ADS)

An integrated hydrological model (MOHISE) was developed in order to study the impact of climate change on the hydrological cycle in representative water basins in Belgium. This model considers most hydrological processes in a physically consistent way, more particularly groundwater flows which are modelled using a spatially distributed, finite-element approach. Thanks to this accurate numerical tool, after detailed calibration and validation, quantitative interpretations can be drawn from the groundwater model results. Considering IPCC climate change scenarios, the integrated approach was applied to evaluate the impact of climate change on the water cycle in the Geer basin in Belgium. The groundwater model is described in detail, and results are discussed in terms of climate change impact on the evolution of groundwater levels and groundwater reserves. From the modelling application on the Geer basin, it appears that, on a pluri-annual basis, most tested scenarios predict a decrease in groundwater levels and reserves in relation to variations in climatic conditions. However, for this aquifer, the tested scenarios show no enhancement of the seasonal changes in groundwater levels. Un modèle hydrologique intégré (MOHISE) a été développé afin d'étudier l'impact du changement climatique sur le cycle hydrologique de bassins versants représentatifs de Belgique. Ce modèle prend en compte tous les processus hydrologiques d'une manière physiquement consistante, plus particulièrement les écoulements souterrains qui sont modélisés par une approche spatialement distribuée aux éléments finis. Grâce à cet outil numérique précis, après une calibration et une validation détaillées, des interprétations quantitatives peuvent être réalisées à partir des résultats du modèle de nappe. Considérant des scénarios de changements climatiques de l'IPCC, l'approche intégrée a été appliquée pour évaluer l'impact du changement climatique sur le cycle de l'eau du bassin du Geer en Belgique. Le modèle de nappe est décrit en détail et les résultats sont discutés en terme d'impact du changement climatique sur l'évolution des réserves souterraines. Les premiers résultats indiquent que des déficits d'eau souterraine peuvent apparaître dans le futur en Belgique. Se ha desarrollado un modelo hidrológico integrado (MOHISE) para estudiar el impacto del cambio climático en el ciclo hidrológico de cuencas representativas en Bélgica. Este modelo considera todos los procesos hidrológicos de forma coherente, especialmente en relación con los flujos de aguas subterráneas, que son modelados por medio de un enfoque de elementos finitos espacialmente distribuidos. Gracias a esta herramienta numérica precisa, y tras una calibración y validación detalladas, se puede obtener interpretaciones cuantitativas de los resultados del modelo del acuífero. Considerando escenarios de cambio climático IPCC, se ha aplicado el enfoque integrado a la evaluación del impacto de dicho cambio climático en el ciclo hidrológico de la cuenca del Geer. Se describe los detalles y resultados del modelo de las aguas subterráneas en términos del impacto del cambio climático en la evolución de las reservas de los acuíferos. Los resultados preliminares indican que es posible esperar déficits de aguas subterráneas en un futuro en Bélgica.

Brouyère, Serge; Carabin, Guy; Dassargues, Alain

261

Un nuevo virus A\\/H1N1, una nueva pandemia: Influenza un riesgo permanente para una humanidad globalizada A new virus A\\/H1N1, a new pandemic: A continuing risk to a globalized humanity  

Microsoft Academic Search

Influenza is a highly contagious disease. There are some historical descriptions of this condition by ancient Greek physicians, and the etiological agents have been known only for the last eight decades. The causative agent is the influenza virus, which has three main types: A, B, and C. Type A is capable of circulating within many different biological reservoirs, including humans,

Fernando Osores Plenge; Jorge Gómez Benavides; Luis Suarez Ognio; César Cabezas Sánchez; Jorge Alave Rosas

2009-01-01

262

Una Escoba para Ana, Cien Oficios para Juan. Quinto Modulo de una Serie para Maestros de Escuela Elemental. (A Broom for Anna, A Hundred Jobs for John. Fifth Module of a Series for Elementary School Teachers).  

ERIC Educational Resources Information Center

This guide for teachers, in English and Spanish, examines the stereotyped work roles assigned to men and women. The guide examines educational materials that perpetuate these roles and presents teaching alternatives which reinforce students' self esteem and confidence. A pre-test and post-test are included to measure the user's awareness of…

Molina, Carmen Eneida, Ed.; And Others

263

Por Que Mami No Puede Cambiar una Goma? Tercer Modulo de una Serie para Maestros de Escuela Elemental. (Why Can't Mommy Change a Flat Tire? Third Module of a Series for Elementary School Teachers).  

ERIC Educational Resources Information Center

This guide for teachers, in English and Spanish, examines the role parents play in the socialization of sex roles. A pre-test and post test are included to measure the user's awareness of sexual stereotyping. Five object lessons cover the following topics: (1) stereotypes which exist prior to a baby's birth; (2) behavioral standards on which…

Molina, Carmen Eneida, Ed.; And Others

264

VALUTAZIONE DEL BILANCIO IDRICO IN UNA FORESTA DECIDUA ALPINA ASSESSMENT OF A WATER BALANCE IN A DECIDUOUS ALPINE FOREST  

Microsoft Academic Search

A water balance has been set up in a thermophilous oak grove in the Italian Alps. In the experimental site, belonging to the European network of integrated monitoring (ICP IM), a meteorological station is operated since 1993, which provided data series for models. The calculation approach has been adapted from a protocol developed for a European pilot study. A Penman

Emanuele Eccel; Giambattista Toller; Luca Ghielmi; Cristina Salvadori

265

Propuesta de una escala para medir el grado de orientación al mercado de las cooperativas agroalimentarias españolas  

Microsoft Academic Search

El interés de este papel reside en el estudio de la orientación al mercado en un sector en el que la búsqueda del beneficio económico no es un factor prioritario: el sector cooperativista español. Como señala la legislación española, su objetivo es fundamentalmente la satisfacción de las necesidades de los socios cooperativistas, justificando de esta forma su pertenencia al sector

Jesús Cambra Fierro; Ana Fuster Mur

2004-01-01

266

LA CULTURA ACADÉMICA DE LOS PROFESORES COLIMENSES UNIVERSITARIOS: una revisión a partir de la entrevista de historia oral  

Microsoft Academic Search

Academic Culture of the University of Colima Professors: a Revision from the Interview of Oral History This article presents a reflection on the experience with the methodological approach in the process of analysis, exploration and configuration of the academic culture in a small and young Mexican university as is the University of Colima. The study of the culture and institutionalization

Florentina Preciado Cortés

2006-01-01

267

Imaginarios sobre inmigración peruana en la prensa escrita chilena: una mirada a la instalación de la agenda de la diferencia  

Microsoft Academic Search

Build and install the media agenda in the public opinion is well know routine exercise in the written press. This article works its relationship with immigration and how it represents and is marking its footprint in the chilean press. Peruvian immigration and a look at the press coverage are chosen to reflect a relationship that comes to stress the concept

268

UNA “MUY OTRA” FORMA DE HACER POLÍTICA EN MÉXICO, LA RESISTENCIA INDÍGENA EN CHIAPAS COMO HISTORIA DEL HACHA  

Microsoft Academic Search

El argumento central de los zapatistas como práctica de lucha es la apropiación de la exclusión. La exclusión es un proceso histórico de dominio hacia los indígenas. A lo largo de 16 años de existencia pública han hecho evidente tal cuestión. El primero de enero de 1994 le dijeron al mundo que a partir de ese momento la exclusión ha

Juquila Araceli González Nolasco

2010-01-01

269

EL POBLAMIENTO HUMANO TARDÍO DEL SUR DE MENDOZA Y SU RELACIÓN CON EL NORTE DE PATAGONIA: UNA DISCUSIÓN BIOARQUEOLÓGICA  

Microsoft Academic Search

Within the context of a research aimed to obtain clues about the dispersal of populations from northern Patagonia after the paleoclimatic event called the Medieval Climatic Anomaly (MCA) (ca. 800-1350 AD), in this paper we explore three different lines of evidence (craniofacial, postcranial and dental morphology) using bioarchaeological samples from southern Mendoza. Previous work based on the morphometric analysis of

Marien Béguelin; Valeria Bernal; Mariano Del Papa; Paula Novellino; Gustavo Barrientos

270

EL MIEDO Y LA OPORTUNIDAD: UNA FORMA DE RECONSIDERAR LA AUTORIDAD EN EL SECTOR PRIVADO Y ESTATAL  

Microsoft Academic Search

Entre los gerentes modernos existen inquietudes sobre la forma de motivar a los empleados. En anteriores artículos nos hemos expedido sobre la posibilidad de que la motivación se torne algo negativo cuando es excesiva; en efecto los empleados quienes se comprometen en demasía con la estima de sus supervisores y jefes como también con su propia elaboración al respecto de

Maximiliano Korstanje

2009-01-01

271

An Overview of Titanosaur Evolution and Phylogeny Una revisión de la evolución y fi logenia de los Titanosaurios  

Microsoft Academic Search

Titanosaurus was named in 1877 for two caudal vertebrae and an isolated femur from Cretaceous rocks of central India. Titanosauridae was coined soon afterwards to encompass numerous taxa, despite their often tenuous associations and limited morphological overlap. Long recognized as wastebasket taxa, \\

J. A. Wilson

272

UNA FUNCIÓN DE RETENCIÓN QUE INCLUYE LA REGIÓN DE SEQUEDAD EXTREMA EN CONCORDANCIA CON LA ISOTERMA DE ADSORCIÓN DE BET  

Microsoft Academic Search

Most existing full-range soil-water retention functions extend standard capillary pressure curves into the dry region to zero water content at a finite matric potential. A description of dryness is commonly taken as oven-dry conditions given by a matric suction of 107 cm at zero liquid saturation. However, no finite pressure can be exerted by a zero amount of water, so

O. Silva; J. Grifoll

2007-01-01

273

VALORACIÓN DE HORMONAS ESTEROIDES EN HECES DE UNA PAREJA DE LOBO MEXICANO (CANIS LUPUS BAILEYI) EN CAUTIVERIO  

Microsoft Academic Search

The Mexican Gray Wolf (Canis lupus baileyi) is one of the most distinctive groups of wild canids.It has been erradicated from most of its original range and there is no solid evidence of wild populations. All known individuals of this species are kept in zoos or special enclosures. Recently a great deal of efforts have been done in oder to

María A. SOTO; Arturo SALAME-MÉNDEZ; José RAMÍREZ-PULIDO; Lourdes YAÑEZ; Miguel Ángel ARMELLA

2004-01-01

274

Prueba toxicológica en ratones de una sola dosis inicial y segura de la vacuna cubana antileptospirósica Vax-SPIRAL  

Microsoft Academic Search

Toxicological Evaluation in Mice of an Initial Safe Single Dose for Vax-SPIRAL, a Cuban Vaccine against Leptospirosis. Toxicological tests on vaccines are increasingly exigent, and specific and non-specific safety tests are not considered sufficient any longer. Vax-SPIRAL is an inactivated whole-cell leptospiral vaccine adsorbed to aluminum hydroxide. The toxicity test by single dose in at least one animal species is

Juan F Infante; Sergio Sifontes; Enrique Muñoz; Martha González; Viviana Pérez; Carmen Baldor; Mildrey Fariñas

275

La retirada de una campaña publicitaria para promoción de la vacuna tetravalente del virus del papiloma humano en España  

Microsoft Academic Search

The inclusion of the quadrivalent human papilloma virus (HPV) vaccine in the schedule of the Spanish National Health System sparked the debate over Gardasil®, which was presented to the public as a “vaccine against cervical cancer”. In this context, Sanofi Pasteur MSD was sued for misleading advertising in the campaign “cuentaselo.org”. Although the complaint was not admitted, the lawsuit triggered

Marta Martín-Llaguno; Carlos Álvarez-Dardet

2010-01-01

276

Realizzazione di una cella per misure di spettroscopia molecolare a temperatura variabile. (Optical cell for variable temperature molecular spectroscopic measurement).  

National Technical Information Service (NTIS)

This paper reports on the design and construction of a 20 cm long optical cell whose temperature can be changed continuously between 50 and 350 degrees K. The cell is cooled by a single stage cryogenerator and thermo-regulated with an electrical feedback ...

G. Baldacchini A. Bellatreccia P. Cardoni I. Cenciarelli F. D'Amato

1991-01-01

277

Una miscelanea de refranes espanoles raros, curiosos, y jocosos (A Miscellany of Rare, Curious and Humorous Spanish Proverbs).  

ERIC Educational Resources Information Center

|This listing of unusual Spanish proverbs contains words of wisdom on money, doctors, agriculture, students, procrastination, pessimism, war, good and evil, religion, God, and a host of other topics. The topic of each proverb is given in English. (CHK)|

Hayes, Francis

278

Una aproximación a las principales dificultades léxicas y morfo-sintácticas para aprender inglés de los hablantes hispanos  

Microsoft Academic Search

This article points out the main lexical and morpho-syntactic errors Spanish speakers have when they learn English. These errors have been observed in a group of Mexican students in USA. The paper will illustrate with examples problems such as Spanglish, generalization, mother tongue influence, etc. so that lecturers see these errors as a natural part of students' learning process. Some

MARÍA MARTÍNEZ LIROLA

279

Prevalencia de escoliosis, dominancia manual lateral y transporte de material en una población masculina de 6–12 años  

Microsoft Academic Search

This research study evaluated the relationship between scoliosis and a set of variables related to age, motor skills (left-handed or right-handed) and the method of transporting school supplies (backpack or trolley) among a school-aged male population. The final selection of the sample - comprising 682 participants between 6 and 12 years old and residents in Granada (Spain) - was conducted

Manuel Fernández Sánchez; Félix Zurita Ortega; Carmen Fernández Sánchez; Rubén Fernández García; Miguel Muñoz-Cruzado y Barba; María Teresa Labajos Manzanares

2010-01-01

280

Apropiación de los derechos sexuales y reproductivos en los adolescentes: una experiencia desde la teoría de la acción razonada  

Microsoft Academic Search

SUMMARY Objective: In order to evaluate influences of beliefs, attitudes, and subjective norms related to the exercise of sexual and reproductive rights in adolescent students from Jamundí, Departamento (= State) del Valle del Cauca, Colombia an investigation was carried out. Methods: Design included time series with paired samples. A psychometric scale was applied to 128 adolescent students before an educative

Martha Lucía Vásquez; Luz Ángela Argote; Edelmira Castillo; María José Cabrera; Danilo Gonzalez; María Elena Mejía; María Eugenia Villaquirán

2005-01-01

281

Traditional plants as source of functional foods: a review Plantas tradicionales como fuente de alimentos funcionales: una revisión  

Microsoft Academic Search

The aim of this work was to assess the following plants as functional foods that can be found in Mexico: white sapote (Casimiroa edulis), jicama (Pachyrhizus spp.), amaranth (Amaranthus hypochondriacus), sweet fennel (Foeniculum vulgare), oregano (Lippia graveolens), pitahaya (Hylocereus sp.), agave (Agave americana), pelitre (Heliopsis longipes), and purslane (Portulaca oleracea L). The main characteristics, components and active substances, forms of

G. Rivera; V. Bocanegra-García; A. Monge

2010-01-01

282

Cólera: Una revisión actualizada. Parte 3. Complicaciones del cólera. Tratamiento. Genética del cólera. Mecanismos de control de la epidemia. Referencias  

Microsoft Academic Search

Cholera: An updated review. Part 3. Cholera complications. Treatment. Genetics of cholera. Mechanisms for the control of the epidaemia. References. This review gives a complete, precise and update information on the cholera disease, from its beginning in the world up to the current seventh pandaemia, which already is present in South America, including Peru, Colombia and Venezuela. Information is given

Pedro José Salinas

283

La qualità e la customer satisfaction di un servizio aeroportuale: una metodologia da affiancare a quella tradizionale  

Microsoft Academic Search

Airport service quality and customer satisfaction: a methodology that supports the traditional one (by Valerio Gatta). Objectives In this paper we consider the problem of service quality measurement. In marketing literature the study of service quality has focused on customer evaluation. Often, the global service quality index is simply computed as the average of the clients’ responses on the overall

Valerio Gatta

2007-01-01

284

Elementos para una re-visión del desarrollo humano y social: del progreso a la satisfacción con la vida  

Microsoft Academic Search

Development from an ethical and humanistic point of view can be likened to satisfaction with life and happiness. In turn, goals of life are ways of understanding the ultimate aims of human existence. In people' s subjective view , development can be seen as maximum fulfillment and personal happiness. Zen and other authors of the nineties and the start of

Sandra Liliana Londoño

2006-01-01

285

INSTRUMENTAL TEXTURE EVALUATION OF EXTRUDED SNACK FOODS: A REVIEW EVALUACIÓN INSTRUMENTAL DE TEXTURA EN ALIMENTOS EXTRUIDOS: UNA REVISIÓN  

Microsoft Academic Search

Extrusion cooking technology is the most used technique for the production of snack foods. In such foods, texture is of major importance, with crispness being often a desirable attribute. Due to the high costs involved in sensory analysis, instrumental assessment of end-product texture, by fundamental and empirical techniques, has been a useful tool for food researchers and manufactures as it

A. A. Anton; F. B. Luciano

2007-01-01

286

El sexo recompensado: una práctica en el centro de las vulnerabilidades (ITS\\/VIH\\/SIDA) de las jóvenes mexicanas  

Microsoft Academic Search

Objective. To discuss the risks for Mexican young women who engage in sexual relations in exchange for social or economic benefits, also known as compensated sex (CS), with the objective of exploring its possible public health implications. Material and Methods. This is a qualitative study conducted in youths 15 to 25 years of age in Cuerna- vaca, Morelos, Mexico, between

Florence Lise Théodore; Juan Pablo Gutiérrez; Pilar Torres; Gabriela Luna

2004-01-01

287

Gli indici di colore come indicatori del meccanismo che governa la luminosità di una cometa: luce solare riflessa o fluorescenza  

NASA Astrophysics Data System (ADS)

Colour indexes derived by aperture photometry on cometary comae in VRI Johnson/Cousins bands give a way to understand the mechanism dominating the brightness of a comet: reflected sunlight or fluorescence. Considering that V band is dominated by C2 gas emission and that R and I on the contrary have few gas contamination, the colour index determined as a function of the coma diameter is a key parameter. In an hypothetical purely dusty coma we expect a constant colour index close to the solar one and nearly constant with aperture. If gas is present we can have a differentiation within the coma and a non constant colour index, in this case the colour index is "bluer" in the external halo. The effect was clearly observed in C/2001 A2 and C/2000 WM1.

Milani, Giannantonio; Sostero, Giovanni

2003-03-01

288

ÍNDICES DE INTENSIDAD DE CONTAMINACIÓN ATMOSFÉRICA: UNA APLICACIÓN PARA EL ÁREA METROPOLITANA DE MONTERREY, NUEVO LEÓN, MÉXICO  

Microsoft Academic Search

This study estimates pollution generation intensity indexes for six air pollutants: total sus- pended particles (TSP), sulfur dioxide (SO2), carbon monoxide (CO), nitrogen oxides (NOx), hydrocarbons (HC), and lead (Pb) for the metropolitan area of Monterrey, Nuevo Leon, Mexico. These indexes link up total pollution (direct, indirect, and induced) per every product million of pesos in all economic sectors in

Ramón GUAJARDO QUIROGA; Javier ARRAMBIDE OLVERA

289

Tiña del cuero cabelludo por Microsporum canis en una mujer adulta Tinea capitis in the elderly: an unusual situation  

Microsoft Academic Search

Summary Tinea capitis is very rare in adults. We report a new case of tinea capitis caused by Microsporum canis in a healthy postmenopausal woman. We argue the predisposing factors of the dermatophytoses in adult patients and discuss about the use of terbinafine like first line of treatment in this entity, because of the apparition of resistances.

María López-Escobar García-Prendes; Cristina Raya Aguado; Cayetana Maldonado Seral; Narciso Pérez Oliva

290

SOSTENIBILIDAD DEL RECICLAJE DE RESIDUOS DE LA AGROINDUSTRIA AZUCARERA: UNA REVISIÓN SUSTAINABLE RECYCLING OF WASTE FROM SUGARCANE AGROINDUSTRY: A REVIEW  

Microsoft Academic Search

Sugar cane wastes and reuse strategies are a prior subject in sugar cane areas because of the new environmental standards and modern production systems. The overall goal of the present review is to analyze the environmental impact from sugar cane agroindustry and its recycling processes on the bases of a sustainable development planning. Literature review results consider that there are

R. Basanta; M. A. García Delgado; J. E. Cervantes Martínez; H. Mata Vázquez; G. Bustos Vázquez

2007-01-01

291

DISTRIBUCIÓN DE PLOMO EN SUELOS CONTAMINADOS EN EL ENTORNO DE UNA PLANTA DE RECICLAJE DE BATERÍAS ÁCIDAS  

Microsoft Academic Search

Total Pb, Cd, Cu, Ni and Zn concentrations and the distribution of lead in soils from a farmland near a battery recycling plant in Madrid (Spain) were investigated to establish a possible relationship with a recent episode of horses death that presented lead intoxication symptoms before dying. Total Pb and Cd levels presented a clear decrease with distance to the

Victoria CALA; Yukihiko KUNIMINE

292

Una verifica empirica del modello Domanda-Controllo-Sostegno Sociale: effetti sul burnout e sulla somatizzazione tra il personale infermieristico  

Microsoft Academic Search

AN EMPIRICAL INVESTIGATION OF THE DEMAND- CONTROL-SOCIAL SUPPORT MODEL: EFFECTS ON BURNOUT AND ON SOMATIC COMPLAINTS AMONG NURSING STAFF. The present study investigated the relationship between job characteristics and well-being dimensions (burnout and somatic complaints) in a group of 271 nurses. The study, based on Karasek and Theorell's theoretic model of demand-control-social support, aimed to test the following hypotheses: a)

R. Pisanti

2007-01-01

293

ANALISIS DE FATIGA DE LOS COMPONENTES DE UNA CENTRAL NUCLEAR POR EL METODO DE LAS FUNCIONES DE INFLUENCIA  

Microsoft Academic Search

In nuclear power plants, the fatigue in vessels and their associated components is caused by transients that occur at normal operating temperatures. Fatigue analysis validity must be continuously reviewed during the design period of the components. Fatigue accumulation due to in plant events produces the degradation of the vessel components. This is the cause that everyday is more under consideration

R. Cicero; I. Gorrochategui; J. A. Alvarez

294

Propuestas para una reconceptualizacion surrealista y postmoderna de la sexualidad femenina en los textos de Cristina Escofet e Isabel Allende  

Microsoft Academic Search

Female sexuality has commonly been viewed as the passive counterpart of male sexuality. Building upon Adrienne Rich's theory of compulsive heterosexuality, I would suggest that the fundamental location of this problem lies within the subconscious. Cristina Escofet's stance on this issue is to argue in favor of a deconstruction of Jungian archetypes, revealing their constructed rather than intrinsic character. In

Zoila Clark

2009-01-01

295

How To Start a Family Day Care = Como Iniciar una Guarderia en El Hogar. [Videotape and Viewer's Guide].  

ERIC Educational Resources Information Center

|Being a family day care provider is work that requires professional responsibilities and attention to the physical, emotional, and educational well-being of children; listening and responding to parents; and running a business. This videotape, in English- and Spanish-language versions, explores the elements involved in starting up a family day…

Raphael, Doris; Weisman, Douglas

296

Efecto de la ingesta de una sobrecarga de glucosa sobre los marcadores séricos de adhesión en mujeres obesas  

Microsoft Academic Search

Background and objectiveObesity is associated with endothelial dysfunction and increased inflammation. The expression of adhesion molecules may be influenced by a high glucose load. The aim of the present study was to evaluate serum sICAM-1, sVCAM-1 and sE-selectin concentrations in obese women, and to evaluate the role of high-glucose load on postload circulating levels of sICAM-1, sVCAM-1 and sE-selectin in

María Matilde Ramírez Alvarado; Maria Isabel García de Seijo; Evelyn Bahri Hernández; Tibisay Pelayo Jordán

2009-01-01

297

Una Interpretación Para Don Melón Más De Acuerdo Con El “Buen Amor” Que Pregona el Arcipreste De Hita  

Microsoft Academic Search

The rich expressive language of the archpriest of Hita in his writings has motivated the elucidation of the origin and meaning\\u000a of the names of his characters. The Libro de buen amor, transcending all the Spanish literature of its epoch, broadens the restricted linguistic limits and opens up the possibilities\\u000a of a literary analysis. Regarding the episode of “Don Melon

Efraín E. Garza

2006-01-01

298

Intensive Behavioral Intervention for School-Aged Children with Autism: Una Breccia nel Muro (UBM)--A Comprehensive Behavioral Model  

ERIC Educational Resources Information Center

|Although, reviews and outcome research supports empirical evidence for Early Intensive Behavior Intervention in pre-scholars, intensive behavioral service provision for school-aged children with autism spectrum disorders (ASD) are less subject to research studies. In order to provide effective behavioral interventions for school-aged children it…

Fava, Leonardo; Vicari, Stefano; Valeri, Giovanni; D'Elia, Lidia; Arima, Serena; Strauss, Kristin

2012-01-01

299

Patrones de uso, creencias populares y accidentabilidad por andador infantil (tacatá). Bases para una campaña de información sanitaria  

Microsoft Academic Search

Baby walkers are a potential cause of accidents in infants from 6 months to 1 year of age. We conducted a study to determine the patterns of walker use, the different points of view of the parents and the baby walker-related injuries in our health district. For this purpose, between November 1, 1992 and January 31, 1993, a questionnaire was

L. Santos Serrano; J. M. Paricio Talayero; A. Salom Pérez; M. Grieco Burucúa; J. Martín Ruano; M. J. Benlloch Muncharaz; T. Llobat Estellés; B. Beseler Soto

1996-01-01

300

Necesita Una Vacuna: What Spanish-Speakers Want in Text-message Immunization Reminders.  

PubMed

Appointment reminders help parents deal with complex immunization schedules. Preferred content of text-message reminders has been identified for English-speakers. Spanish-speaking parents of children under three years old were recruited to develop Spanish text-message immunization reminders. Structured interviews included questions about demographic characteristics, use of technology, and willingness to receive text reminders. Each participant was assigned to one user-centered design (UCD) test: card sort, needs analysis or comprehension testing. Respondents (N=54) were female (70%) and averaged 27 years of age (SD=7). A card sort of 20 immunization-related statements resulted in identification of seven pieces of critical information, which were compiled into eight example texts. These texts were ranked in the needs assessment and the top two were assessed for comprehension. All participants were able to understand the content and describe intention to act. Utilizing UCD testing, Spanish-speakers identified short, specific text content that differed from preferred content of English-speaking parents. PMID:23974378

Ahlers-Schmidt, Carolyn R; Chesser, Amy; Brannon, Jennifer; Lopez, Venessa; Shah-Haque, Sapna; Williams, Katherine; Hart, Traci

2013-01-01

301

Análisis clínico-epidemiológico de la portación intestinal de enterococos resistentes a vancomicina en una unidad de terapia intensiva  

Microsoft Academic Search

SUMMARY Clinical and epidemiologic analysis of intestinal tract colonization with vancomycin-resistant enterococci in an intensive care unit. Intestinal tract colonization with vancomycin resistant enterococci (VRE) was studied during five months and 25 days. Out of 171 patients hospitalized in the intensive care unit, 124 (73%) were included in this study. Thirty five of them (28%) were recognized as colonized with

A. M. TOGNERI; J. GONZÁLEZ; H. LOPARDO; L. B. PODESTÁ; P. GAGETTI; M. PÉREZ; V. RODRÍGUEZ; M. RODRÍGUEZ; L. RÍOS; E. DINERSTEIN

302

La teoría del conocimiento en investigación científica: una visión actual Knowledge's theory in scientific research: a current scope  

Microsoft Academic Search

Knowledge is a conscious, intentional and individual act to learn object's qualities and is firstly referred to who knows but also to the object thing what is known. Its development has been close to human thought evolution. Epistemology, the science that studies knowledge, is based in scientific research that begins with a hypothesis exposition and develops afterwards with mathematical models

Augusto V. Ramírez

2009-01-01

303

Precio del agua y relocalización del recurso en la economía andaluza. Una aproximación desde un modelo de equilibrio general aplicado  

Microsoft Academic Search

El objetivo de este trabajo consiste en analizar los efectos que tendría un incremento en la tarifa del agua del sector agrario sobre la conservación del recurso, la eficiencia en el consumo y la posible relocalización del mismo entre los diferentes sectores productivos. La política tarifaria se aplicará sobre el sector agrario debido, por un lado, al excesivo consumo de

M. Alejandro Cardenete; G. J. D. Hewings; E. Velázquez

2005-01-01

304

Prevalencia del uso de drogas ilegales en función del consumo de tabaco en una muestra de estudiantes en México  

Microsoft Academic Search

Objective. To evaluate the use of the illicit drugs and its in- teraction with smoking in young students in a state of Central Mexico, 2005-2007. Material and Methods. A population cohort study with 4 625 students was carried out in differ- ent public schools in Morelos State. Baseline measurement analysis was carried out describing tobacco, alcohol and illegal drugs consumption.

Luisa María Sánchez-Zamorano; Angélica Ángeles Llerenas; Rafael Anaya-Ocampo; Eduardo Lazcano-Ponce

2007-01-01

305

Manejo anestésico de un paciente con displasia arritmogénica de ventrículo derecho, ascitis y colitis ulcerosa para una cirugía abdominal mayor  

Microsoft Academic Search

Summary A 43-year-old man with ulcerative colitis was sched- uled for pancolectomy owing to adenomatous transfor- mation of polyps. The patient had right ventricular arrhythmogenic dysplasia, with deteriorating ventricu- lar function, and carried an automatic implantable de- fibrillator. We discuss the general features of arrhyth- mogenic right ventricular dysplasia and its implications for management and monitoring during major abdomi- nal

F. Martínez Torrente; A. Orts Castro; F. García-Montoto; F. Pérez-Cerdá

306

RELACIONES ENTRE LOS TIPOS DE PADRES Y COMPORTAMIENTOS DE RIESGO EN LA SALUD DEL ADOLESCENTES: UNA REVISIÓN BIBLIOGRÁFICA INTEGRADA  

Microsoft Academic Search

Research over the past 20 years suggests that the quality of the parent-adolescent relationship significantly affects the development of risk behaviors in adolescent health. The purpose of this paper is to present a review of studies published between 1996-2007 that address specific relationships between parenting styles and six priority adolescent risk behaviors. The review supports the substantial influence of parenting

Kathy Newman; Lynda Harrison; Carol Dashiff; Susan Davies

2008-01-01

307

ANALISI TERMO-MECCANICA AGLI ELEMENTI FINITI DI UNA STRUTTURA INVESTITA DA FASCI DI PARTICELLE AD ALTA ENERGIA  

Microsoft Academic Search

Sommario Nel presente lavoro viene illustrata l'analisi termo-meccanica agli elementi finiti effettuata sui collimatori per il Large Hadron Collider, il potente acceleratore progettato al CERN di Ginevra; verranno esposte le scelte effettuate per i materiali e le soluzioni impiegate per il design dei collimatori di LHC. Verranno poi descritti il modello agli elementi finiti sviluppato, la metodologia di analisi adottata

A. Dallocchio; A. Bertarelli; L. Peroni

308

El nuevo sistema de financiación autonómica. Una visión crítica. \\/The New Regional Financing System. A Critical Review  

Microsoft Academic Search

La reforma del sistema de financiación aprobada en julio del año 2009 es esencialmente diferente de las reformas de los sistemas de financiación anteriores. Por un lado, no ha venido exigida por el tradicional plazo de caducidad de los sistemas de financiación cada cinco años, sino por circunstancias esencialmente políticas. Por otro lado, se ha dicho que el nuevo sistema

J. AGUSTÍN MANZANO MOZO

2010-01-01

309

IDENTIFICACIÓN DEL POLIMORFISMO GENÉTICO DE LA GLUTATION-S- TRANSFERASA P1 EN UNA POBLACIÓN DEL SUROCCIDENTE COLOMBIANO  

Microsoft Academic Search

The Glutathion S-transferase genes play an important role in the metabolism of genotoxic compounds. Glutathione S-transferase P1 (GSTP1) gene belongs to this family and has a polymorphic variant at codon 105 has been identified the mutant causes a substitution from Isoleucine to Valine and consequently it produced changes in the enzymatic function. In this research we standardized a PCR-RFLP technique

Aleyda Maritza Acosta; Silvio Marino Carvajal; Luz Stella Hoyos; Carlos Hernán Sierra

310

Educación para la convivencia en contextos escolares: una propuesta de intervención contra los malos tratos entre iguales  

Microsoft Academic Search

An intervention program against bullying is presented in this article. The intervention program is integrated in two European research projects - the TMR Project about nature and prevention of bullying and the Sócrates Project - and it is developed through out pupils and teachers' training. The intervention program persecutes the improvement of social skills in order to develop positive interpersonal

Juan L. BENÍTEZ MUÑOZ; Fernando JUSTICIA JUSTICIA

311

Intensidad innovadora, permanencia exportadora, y destino de las exportaciones:análisis para una muestra de empresas de Cali  

Microsoft Academic Search

En este estudio se analiza la relación entre la exposición a los mercados internacionales (medida por medio de las exportaciones a los países desarrollados) y la innovación (en procesos, productos, diseño, empaque, organización y nuevas tecnologías). Básicamente, se busca estudiar la hipótesis de que las empresas realizan un mayor esfuerzo innovador en la medida en que enfrentan la competencia en

Alexander Correa Ospina

2005-01-01

312

Cómo medir la quiebra de las empresas en Santander, el modelo logístico: una herramienta para evaluar el riesgo de quiebra  

Microsoft Academic Search

Las propuestas contenidas en el documento del Nuevo Acuerdo de Capital de Basilea, para medir el riesgo de crédito, sirven de base para medir también el riesgo de quiebra de las empresas con base en la utilización de ratios financieros internos. En la práctica se presentan situaciones en la que es necesario tomar decisiones de acuerdo con el comportamiento de

José Joaquín Alzate Marín

2008-01-01

313

Accettabilita' sociale di una tecnologia: Il caso Rete 2. (Case of study Rete 2: Social acceptability of technology).  

National Technical Information Service (NTIS)

In a society, characterized by sudden innovative processes, studying social controversies of technological order assumes a specific meaning. Within these limits, the present case study - named Rete 2 - is representative in order to compile a first analysi...

S. Ciampi T. D. Valentini

1991-01-01

314

Our Treasures: A Celebration of Nebraska's Mexican Heritage = Nuestros Tesoros: Una celebracion de la herencia mexicana de Nebraska.  

ERIC Educational Resources Information Center

|This publication is intended as a resource guide for teachers, students, and librarians interested in Mexican American culture, and for groups wishing to conduct local community research using oral histories. The Mexican American Traditions in Nebraska project was designed to document and preserve the richness of Nebraska's Mexican culture. The…

Nebraska State Historical Society, Lincoln.

315

Morfología, fenología y producción de biomasa aérea del Pithecellobium dulce, en una zona de monte espinoso tropical  

Microsoft Academic Search

The cover, morphology and aerial production of dry matter (DM) of the specie Pithececellebium dulce (Roxb.) Benth. was evaluated in a xerophyte area. The population density per hectare of trees higher and smaller than 1.5 m was 264 and 1935, equivalent to 22.6 and 2.1% of total botanical community, respectively. Ten adult trees higher than 1.5 m with similar dimension,

E. C. González; E. Chacón; J. Rodríguez

316

Il canone di Telecom Italia e lo strano scontro fra Cheli e Monti: una storia, tante morali  

Microsoft Academic Search

At the end of last year, the Italian incumbent on vocal (fixed) telephony raised private and business monthly connection bills. Due to a complex and controversial regulatory framework, the significant increase obtained by Telecom Italia gave to consumers and observers the impression that nobody was playing its role: why did the incumbent insist in a strategy apparently inconsistent with the

Frova Sandro

2001-01-01

317

Extranasopharyngeal angiofi broma of nasal septum. A controversial entity Angiofi broma extrarinofaringeo a localizzazione settale. Una entità controversa  

Microsoft Academic Search

SUMMARY The term extranasopharyngeal angiofi broma has been applied to vascular, fi brous nodules occurring outside the nasopharynx. The maxillary sinus is the most common site involved, while the nasal septum represents an extremely rare localization. Com- puterized tomography scan and magnetic resonance imaging are used to determine the tumour site and its extension. Surgical excision of the mass is

I. TASCA; G. CERONI COMPADRETTI

318

Cuando su Nino esta Desaparecido: Una guia de Supervivencia Familiar (When Your Child is Missing: A Family Survival Guide).  

National Technical Information Service (NTIS)

Each year, nearly 1.3 million children are reported missing. Although the unforeseen absence of a child is always upsetting, fortunately most missing children are returned home in a short period of time. This fact, however, provides little consolation for...

2010-01-01

319

Hydrochemical tracers in the middle Rio Grande Basin, USA: 1. Conceptualization of groundwater flow  

NASA Astrophysics Data System (ADS)

Chemical and isotopic data for groundwater from throughout the Middle Rio Grande Basin, central New Mexico, USA, were used to identify and map groundwater flow from 12 sources of water to the basin, evaluate radiocarbon ages, and refine the conceptual model of the Santa Fe Group aquifer system. Hydrochemical zones, representing groundwater flow over thousands to tens of thousands of years, can be traced over large distances through the primarily siliciclastic aquifer system. The locations of the hydrochemical zones mostly reflect the ``modern'' predevelopment hydraulic-head distribution, but are inconsistent with a trough in predevelopment water levels in the west-central part of the basin, indicating that this trough is a transient rather than a long-term feature of the aquifer system. Radiocarbon ages adjusted for geochemical reactions, mixing, and evapotranspiration/dilution processes in the aquifer system were nearly identical to the unadjusted radiocarbon ages, and ranged from modern to more than 30 ka. Age gradients from piezometer nests ranged from 0.1 to 2 year cm-1 and indicate a recharge rate of about 3 cm year-1 for recharge along the eastern mountain front and infiltration from the Rio Grande near Albuquerque. There has been appreciably less recharge along the eastern mountain front north and south of Albuquerque. Des données sur les éléments chimiques et les isotopes présents dans l'eau souterraine prélevée à divers endroits dans le bassin moyen du Rio Grande, au centre du Nouveau-Mexique (É-U), ont permis de déterminer l'existence et l'étendue de douze sources d'eau régionales dans le bassin, d'évaluer les âges radiocarbones et de raffiner le modèle conceptuel du système aquifère du groupe de Santa Fe. Des zones hydro-chimiques qui représentent l'écoulement de l'eau souterraine depuis des dizaines de milliers d'années peuvent être suivies sur de longues distances à travers l'aquifère principalement siliclastique. La position des zones hydro-chimiques reflète principalement la distribution moderne des charges hydrauliques mais est incohérente avec une dépression dans le niveau d'eau dans la partie centre-ouest du bassin, ce qui indique que cette dépression est un élément transitoire du système aquifère plutôt qu'un élément à long terme. Les âges radiocarbones ajustés aux réactions géochimiques et aux processus de mélange et d'évapotranspiration/dilution qui ont lieu dans l'aquifère sont presque identiques aux âges non ajustés et varient de la période moderne jusqu'à 30 ka. Les gradients d'âge établis à partir des nids de piézomètres s'étendent de 0.1 à 2 a cm-1 et suggèrent un taux de recharge d'environ 3 cm a-1 le long du front des montagnes à l'est et pour l'infiltration provenant du Rio Grande près d'Albuquerque. Il y a eu substantiellement moins de recharge le long du front des montagnes à l'est, au nord et au sud d'Albuquerque. Se utilizaron datos químicos e isotópicos de agua subterránea a lo largo de la cuenca central del río Grande, Nuevo México, EEUU, para identificar y mapear el flujo de agua subterránea de 12 fuentes de agua a la cuenca para evaluar edades por medio de radio carbon y para refinar el modelo conceptual del sistema acuífero del Grupo Santa Fé. Se puede establecer zonas hidrotérmicas que representan el flujo de agua subterránea a lo largo de miles a miles de decenas de años en grandes distancias a través del sistema acuífero principalmente siliclástico. Las ubicaciones de las zonas hidroquímicas mayormente reflejan la distribucion de la cabeza hidráulica pre-desarollo moderna pero son inconsistentes con una depresión en los niveles de agua pre-desarollo en la zona central oeste de la cuenca. Esto indica que esta depresión es un rasgo transitorio y no un rasgo de largo plazo del sistema acuífero. Las edades de radio carbon ajustadas para los procesos de reaciones geoquímicas, de mezclado y de evapotranspiración-dilución son casi idénticas a los edades de radio carbon no ajustadas oscilan en un rango desde la

Plummer, L. Niel; Bexfield, Laura M.; Anderholm, Scott K.; Sanford, Ward E.; Busenberg, Eurybiades

320

EL PAISAJE PREHISPÁNICO DE LA CIÉNAGA DE CHAPALA  

Microsoft Academic Search

El paisaje de la Ciénaga de Chapala ha sufrido transformaciones que van de humedal a terreno agrícola. En su origen, la ciénaga y el lago de Chapala fueron parte de un enorme lago de agua salada que, formado por un movimiento telúrico, se extendía hasta lo que hoy es Pátzcuaro, Cuitzeo, La Piedad, Aguascalientes, Tuxpan y Guadalajara. La enorme cuenca

Francisco Covarrubias Villa; Ma. Guadalupe Cruz Navarro; Alejandra Ojeda Sampson

2008-01-01

321

Distribution of stable isotopes in arid storms . I. Relation between the distribution of isotopic composition in rainfall and in the consequent runoff  

NASA Astrophysics Data System (ADS)

Temporal distributions of the isotopic composition in arid rain storms and in the associated runoff were investigated in a small arid rocky basin in Israel. Customized rain and runoff samplers provided sequential water samples hermetically sealed in high-density PVC bags. In several storms where the runoff was isotopically depleted, compared with the rainfall, the difference could not be explained by fractionation effects occurring during overland flow. A water-balance study relating the runoff discharge to rainfall over a rocky watershed showed that the entire discharge is produced by a very small segment (1-2mm) of the rain storm. The major objective, therefore, was to provide quantitative relations between segments of rainfall (rain showers and rain spells) and runoff. The time distribution of the composition of stable isotopes (oxygen and hydrogen) was used to quantify the correlation between the rain spell's amount and the consequent runoff. The aim of this work was to (a) utilize the dynamic variations in the isotopic composition in rainfall and runoff and model the magnitude of surface-storage capacity associated with runoff processes of overland flow, and (b) characterize the isotopic composition of the percolating water with respect to the isotopic distribution in rainfall and runoff events. The conceptual model postulates an isotopic mixing of overland flow with water within the depression storage. A transport model was then formulated in order to estimate the physical watershed parameters that control the development of overland flow from a certain rainfall period. Part I (this paper) presents the results and the assessment of the relative depression storage obtained from oxygen-18 and deuterium analyses that lead to the physical and mathematical formulation of a double-component model of kinematic-wave flow and transport, which is presented in Part II (accompanying paper). Résumé Les variations temporelles, en zone aride, de la composition isotopique des précipitations et du ruissellement associé ont étéétudiées dans un petit bassin rocheux aride en Israël. Des préleveurs spécialement adaptés pour la pluie et le ruissellement ont fourni des échantillons séquentiels dans des sacs en PVC haute densité hermétiquement fermés. Au cours de plusieurs épisodes pluvieux où le ruissellement était isotopiquement appauvri par rapport à la pluie, la différence ne pouvait pas être expliquée par des effets de fractionnement intervenant au cours de l'écoulement en surface. Un bilan hydrologique rapportant l'écoulement de surface à la pluie sur un bassin versant rocheux montre que l'écoulement dans sa totalité est alimenté par une très petite partie (1-2mm) de l'averse. C'est pourquoi l'objectif essentiel a été de rechercher des relations quantitatives entre des parties de la pluie (averses et épisodes pluvieux) et le ruissellement. La répartition temporelle de la composition en isotopes stables (oxygène et hydrogène) a été utilisée pour quantifier la corrélation entre la hauteur tombée pendant l'épisode pluvieux et le ruissellement produit. Le but de ce travail était (a) d'utiliser les variations dynamiques de la composition isotopique dans la pluie et dans le ruissellement pour modéliser l'ordre de grandeur de la capacité de stockage de surface associée aux processus de ruissellement de l'écoulement de surface, et (a) de caractériser la composition isotopique de l'eau d'infiltration par rapport à la variation isotopique observée dans les pluies et dans les écoulements correspondants. Resumen La distribución temporal de la composición isotópica de las tormentas en zonas áridas y la correspondiente escorrentía se analizó en una pequeña cuenca rocosa en Israel. Los medidores de lluvia y escorrentía proporcionaron muestras de agua secuenciales, selladas herméticamente en bolsas de PVC de alta densidad. En muchas tormentas en las que la escorrentía tenía una composición isotópica distinta de la lluvia, la diferencia no podía explicarse por efectos de fraccionamien

Adar, E. M.; Dody, A.; Geyh, M. A.; Yair, A.; Yakirevich, A.; Issar, A. S.

322

The influence of faults in basin-fill deposits on land subsidence, Las Vegas Valley, Nevada, USA  

NASA Astrophysics Data System (ADS)

The role of horizontal deformation caused by pumping of confined-aquifer systems is recognized as contributing to the development of earth fissures in semiarid regions, including Las Vegas Valley, Nevada. In spite of stabilizing water levels, new earth fissures continue to develop while existing ones continue to lengthen and widen near basin-fill faults. A three-dimensional granular displacement model based on Biot's consolidation theory (Biot, MA, 1941, General theory of three-dimensional consolidation. Jour. Applied Physics 12:155-164) has been used to evaluate the nature of displacement in the vicinity of two vertical faults. The fault was simulated as (1) a low-permeability barrier to horizontal flow, (2) a gap or structural break in the medium, but where groundwater flow is not obstructed, and (3) a combination of conditions (1) and (2). Results indicate that the low-permeability barrier greatly enhances horizontal displacement. The fault plane also represents a location of significant differential vertical subsidence. Large computed strains in the vicinity of the fault may suggest high potential for failure and the development of earth fissures when the fault is assumed to have low permeability. Results using a combination of the two boundaries suggest that potential fissure development may be great at or near the fault plane and that horizontal deformation is likely to play a key role in this development. Résumé. On considère que la déformation horizontale provoquée par un pompage dans un aquifère captif joue un rôle dans le développement des fissures du sol en régions semi-arides, comme la vallée de Las Vegas (Nevada). Malgré des niveaux d'eau stabilisés, de nouvelles fissures du sol continuent de se développer en longueur et en largeur au voisinage de failles dans les bassins sédimentaires. Un modèle de déplacement granulaire tri-dimensionnel, basé sur la théorie de la consolidation de Biot (Biot, M A, 1941, General theory of three-dimensional consolidation. Jour. Applied Physics 12:155-164), a été utilisé pour évaluer la nature du déplacement au voisinage de deux failles verticales. La faille a été simulée comme 1) une barrière de faible perméabilité pour l'écoulement horizontal, 2) une rupture structurale dans le milieu, mais sans obstruction de l'écoulement, et 3) une combinaison des deux précédentes conditions. Les résultats indiquent que la barrière de faible perméabilité favorise fortement le déplacement horizontal. Le plan de faille constitue aussi un lieu de subsidence différentielle verticale significative. Les fortes contraintes calculées au voisinage de la faille laissent penser qu'il existe un fort potentiel de rupture et le développement de fissures du sol quand on suppose que la faille possède une faible perméabilité. Les résultats utilisant une combinaison des deux conditions suggèrent que le développement potentiel de fissures peut être grand sur ou à proximité du plan de faille et que la déformation horizontale joue vraisemblablement un rôle clé dans ce développement. Resumen. Se conoce la contribución que la deformación horizontal causada por el bombeo de sistemas acuíferos confinados tienen en el desarrollo de fisuras en regiones semiáridas, como es el caso del Valle de Las Vegas (Nevada, Estados Unidos de América). A pesar de la estabilización de los niveles, se continúa desarrollando nuevas fisuras, mientras las ya existentes se alargan y ensanchan cerca de las fallas de relleno de cuenca. Se ha utilizado un modelo tridimensional de desplazamiento granular basado en la teoría de consolidación de Biot (Biot, M.A., 1941. General theory of three-dimensional consolidation. J. Applied Physics, 12: 155-164) para evaluar la naturaleza del desplazamiento junto a dos fallas verticales. Se ha simulado cada falla como (1) una barrera de baja permeabilidad al flujo horizontal, (2) un hueco o ruptura estructural en el medio pero sin obstrucción al flujo de aguas subterráneas, y (3) una combinación de las dos condiciones anteriores. Los res

Burbey, Thomas

2002-07-01

323

INTERACCIONES SOCIALES, CONDUCTAS DELICTIVAS, VIOLENCIA Y CONSUMO DE DROGAS EN UNA BANDA JUVENIL: REPORTE DE REGISTROS CONDUCTUALES y DIARIOS DE CAMPO  

Microsoft Academic Search

Two types of data-collectlng systems, field diarles and time sampling of behavíor, were used to study a juvenile gang in a marginal com- munity of Mexico City. These two ways of gathering data give us ím- portant Information conceming the gang. wlth regards lo social functio- níng, víolence, delinquency and dmg usage. Field diaries offer us a panoramlc, global vision

324

Efectos de una dieta inmunoestimuladora y de la permanencia en temperatura constante sobre el metabolismo hepático de carbohidratos en dorada Sparus aurata L., 1758  

Microsoft Academic Search

Impact of an immunostimulant diet and constant temperature on liver carbohydrate metabolism in the gilthead seabream Sparus aurata Linnaeus, 1758 The impact of an immunostimulant diet -frequently used to avoid winter syndrome in aquaculture- on liver carbohydrate metabolism was assessed over a period of 230 days in the gilthead sea bream Sparus aura- ta L., 1758. An enhancement of liver

R. Laiz-Carrión; M. P. Martín del Río; J. L. Soengas; J. M. Mancera

325

Aunque cerca...sano: Una guia para prevencion de los riesgos de los pesticidas (Although Nearby...Healthy: A Guide for the Prevention of Pesticide Risks).  

ERIC Educational Resources Information Center

|Intended for Spanish-speaking farmworkers with children, this publication in comic book format tells these parents how they can protect their children from pesticide risks. On returning home from work, one farmworker couple does not hug their young children. When their behavior is questioned by neighbors, the mother explains that the fields were…

Saenz, Salvador

326

La Red Regional Replad: Una Estrategia Innovadora para la Capacitacion de Administradores Educacionales (The Regional Network Replad: An Innovative Strategy for the Training and Preparation of Educational Administrators).  

ERIC Educational Resources Information Center

|This document presents an overview, analysis, and historical assessment of the Major Project for Education in Latin America and the Caribbean. Conferences, regional meetings, and outcomes from the inception of the project in 1979 are described. This project stresses the establishment of a regional network for exchange of information, experiences,…

Jimenez Espinoza, Jorge

327

Determinantes del compromiso social en los j¢venes. Una extensi¢n de la Teor¡a de la Acci¢n Razonada  

Microsoft Academic Search

El cambio cualitativo y cuantitativo generado en el seno de las organizaciones no gubernamentales, ha suscitado la aplicaci¢n de modelos conceptuales de comportamiento del consumidor encaminados a la b£squeda de la eficiencia en las pol¡ticas de captaci¢n de voluntarios. En este contexto, el segmento de j¢venes cobra especial relevancia, pues es fundamental en el desarrollo futuro de estas entidades. El

Pablo Zarzuela Acebes

2008-01-01

328

Recuperación funcional en la lumbalgia incapacitante: eficacia de una intervención cognitivo-conductual temprana Functional recovery in low back pain: efficacy of an early cognitive behavioral intervention  

Microsoft Academic Search

Objectives: The purpose of this study was to analyze the efficacy of an early cognitive behavioral intervention in the functional recovery of the low back pain. Patients and methods: Subjects with an episode of Temporary Work Disability (TWD) of 4 weeks of duration due to low back pain were selected. Efficacy variables included duration of TWD episodes, duration of TWD

León Mateos L; Jover Jover JA; Abásolo Alcázar L; Loza Santamaría E; Pérez Nieto MA; Redondo Delgado MM

329

Hacia Una Pedagogia de Solucion de Problemas en La Educacion Ambiental. Serie Educacion Ambiental 15 (Pedagogy of Solutions and Problems in Environmental Education. Environmental Education Series 15.  

ERIC Educational Resources Information Center

|This document discusses the teaching of problem solving in environmental education. From an interdisciplinary viewpoint, this study describes some strategies for teaching that can favor the practice of educational activities oriented toward solving the concrete problems of the surrounding environment. The volume is divided into seven chapters.…

United Nations Educational, Scientific, and Cultural Organization, Santiago (Chile). Regional Office for Education in Latin America and the Caribbean.

330

INMOVILIZACIÓN DE UNA PEROXIDASA DE CHAYOTE (Sechium edule (Jacq.) Sw) Y SU POTENCIAL APLICACIÓN EN LA REMOCIÓN DE SUSTANCIAS FENÓLICAS EN AGUAS CONTAMINADAS  

Microsoft Academic Search

Immobilization of a peroxidase from chayote (Sechium edule (Jacq.) Sw) using an adequately functionalized and previously activated support which allows to preserve enzymatic activity is here presented. Studies were also carried out to show its potential for decontamination of artificial waste waters containing phenolic compounds. The peroxidase was successfully immo- bilized onto the organic support polystyrene-divinylbenzene copolymer functionalized with triglycine

María Lioba; Osnelda VILLEGAS-ROSAS; Gunther GEISSLER; Anabella HANDAL-SILVA; Enrique GONZÁLEZ-VERGARA; Centro de Química

331

A Special Family Series. Mario and Clara Hernandez. Clara Finds a Friend = Lina Familia Especial. Mario y Clara Hernandez. Clara Eucuentra una Amiga.  

ERIC Educational Resources Information Center

|These two comic books are part of the "Very Special Family" series, created by and for Hispanic parents of children with special needs. The materials are designed to help parents deal with the emotional difficulties of raising a child with disabilities. The booklets are printed in both English and Spanish. In Part 1, "Mario and Clara Hernandez,"…

Cazares, Maria

332

Una Vez en un Millón de Años: Como Enseñar el Tiempo Geológico  

NSDL National Science Digital Library

Helping students understand the magnitude of geologic time strengthens student understanding of biological concepts; illustrates not just when things happened but also how they are interconnected; and identifies and addresses common misperceptions.

Susan Lewis (Carroll University;); Kristen Lampe (Carroll University;); Andrew Lloyd (Carroll University;)

2009-10-05

333

Scenari di Diffusione e Controllo di Una Pandemia Influenzale in Italia (Scenarios of Diffusion and Control of Influenza Pandemic in Italy).  

National Technical Information Service (NTIS)

To investigate the spread of a pandemic strain of influenza virus through Italy and the impact of control measures, we introduce a SEIR deterministic model, with a stochastic simulation component. We assume for the pandemic an R0 (the basic reproductive n...

A. Bella C. Rizzo M. Iannelli M. Massari M. L. Ciofi degli Atti

2006-01-01

334

Una nueva especie de Euglena (Euglenozoa: Euglenales) aislada de ambientes extremófilos en las Pailas de Barro del Volcán Rincón de la Vieja, Costa Rica  

Microsoft Academic Search

A new species of euglena isolated from a hot and acid mud pool located in Las Pailas de Barro, Volcán Rincón de la Vieja, Costa Rica is described. This species inhabits hot and acid environments. Euglena pailasen- sis sp. nov. main features are: the absence of flagella, the presence filaments like \\

Ana Sittenfeld; Maribelle Vargas; Ethel Sánchez; Marielos Mora; Aurelio Serrano

335

Castración de vacas: Una alternativa para mejorar los sistemas de engorde Cows castration: An alternative to improve body weight gain systems  

Microsoft Academic Search

The aim of this work was to analyze the changes in the increase of body weight, meat-bone-fat relation, carcass weight, fat infi l- tration in the muscular mass and blood levels of triiodothyroxine induced by ovariectomy. Two different experiments were done in different fi elds of Argentina, A) young cows, B) old cows. Each experimental group was randomly divided into

Guillermo Edgardo Ashworth; Luis Alberto Poloni; Héctor Fernando Gauna

2007-01-01

336

Aspectos en la redacción de un ensayo con base en una obra literaria. Clase de niveles intermedio-superior y avanzado en lengua extranjera  

Microsoft Academic Search

Writing an essay based on a literary work is a common practice in foreign language courses. The task is assigned when students have achieved a certain mastery of the target language, and it may be assumed that they are capable of writing a text of some length. Through contact with a literary text, students can interpret the author's vision, the

Francisco Roberto Rojas Caldelas; Vida Valero Borrás

337

BIODEGRADATION OF AN EMULSIFIED OIL MIXTURE EMPLOYING A VENEZUELAN THERMOPHILIC ANOXYBACILLUS SP. STRAIN Biodegradación de una mezcla de aceites emulsionados utilizando la cepa venezolana termofílica Anoxybacillus sp  

Microsoft Academic Search

Venezuelan thermophilic microorganisms identified as Anoxybacillus sp. (DSMZ ID-05-1132) were used to degrade oil mixtures emulsified with different surfactants. An olive oil, triolein and motor oil (1:1:1) mixture, as well as the ingredients separately, emulsified with sodium dodecylsulfate, sodium dodecyl benezenesulfonate, Triton X-100 or Marlox FK-69, were added to mineral liquid medium. Growth rates were faster when the oil mixture

JEFF WILKESMAN; FLORIAN BAIER; LILIANA KURZ; PETER M. KUNZ

338

Insegnamento delle lingue assistito dal computer. Una guida per saperne di piu (Computer-Assisted Language Learning. A Guide for Knowing More about It).  

ERIC Educational Resources Information Center

|This guide is designed for individuals who want to deepen their knowledge of computer assisted language learning (CALL) but do not know where to look. The guide is divided into five sections. The first section gives the names, addresses, and a brief description of public and private organizations that are concerned with research in CALL. The…

Pavanini, Pietro

1993-01-01

339

ANÁLISIS DE LAS COMUNIDADES CIENTÍFICAS Y ACADÉMICAS DE LAS CIENCIAS BÁSICAS MÉDICAS Y DE LA SALUD PÚBLICA EN COLOMBIA ¿UNA DIFERENCIA?  

Microsoft Academic Search

El objetivo de este trabajo es caracterizar la dinámica de los recursos humanos en investigación y su producción científica al interior de las comunidades de salud pública y ciencias básicas biomédicas del país. El enfoque de este estudio articula la evaluación del comportamiento de los recursos humanos y el tránsito hacia comunidades científicas, vistos desde la teoría del capital conocimiento

Hernán Jaramillo Salazar; Carolina Lopera Oquendo

2008-01-01

340

Derechos y Responsabilidades Patronales al Cabo de una Inspeccion de la OSHA, 2011 (Employer Rights and Responsibilities Following a Federal Inspection, 2011).  

National Technical Information Service (NTIS)

This pamphlet contains important information regarding employer rights and responsibilities following a Federal Occupational Safety and Health Administration (OSHA) inspection under the Occupational Safety and Health Act of 1970 (OSH Act), as amended. Und...

2012-01-01

341

Toxicidad no específica en sedimentos portuarios, una aproximación al contenido de contaminantes críticos Non-specific toxicity in port sediments: an approach to the content of critical pollutants  

Microsoft Academic Search

Sediment quality was analyzed for total organic matter (TOM), polycyclic aromatic hydrocarbons (PAHs), trace metals (Cd, Pb, and Cu), and non-specific toxicity at four Chilean ports with different cabotage activities. TOM was analyzed by ignition, metals by polarography, PAHs by GC- MS, and non-specific toxicity with the fecundation technique (USEPA 1988). The ports at Iquique, San Vicente, and Talcahuano had

Gabriela Aguirre-Martínez; Anny Rudolph; Ramón Ahumada; Rodrigo Loyola; Valentina Medina

342

Work and Family in the United States: A Policy Initiative. A Report of the Family Policy Panel of the Economic Policy Council of UNA-USA.  

ERIC Educational Resources Information Center

As part of its world employment project, the Economic Policy Council of the United Nations Association of the United States formed the family policy panel to further examine the extent of ongoing changes affecting the family, the workplace, and the economy. In its work, the family policy panel concentrated on five issues considered central to the…

United Nations Association of the United States of America, New York, NY.

343

Servizi Territoriali per la Cessazione dal Fumo di Tabacco: Risultati di una Ricerca Nazionale (Italian Smoking Cessation Services: The Results of a National Survey).  

National Technical Information Service (NTIS)

The survey being presented, conducted between May 2003 and May 2004, relates the characteristics and activities of the Italian Smoking Cessation Services. A national standard form - with structural, organizational, procedural aspects and activities of the...

2006-01-01

344

Building Your Baby's Brain: A Parent's Guide to the First Five Years = Como estimular el cerebro infantil: Una guia para padres de familia.  

ERIC Educational Resources Information Center

|Noting that all parents can help their baby's brain to grow, this guide, in English- and Spanish-language versions, explores what science has learned about infant brain development and how parents and caregivers can influence cognitive development. Topics covered include: prenatal care, touching your baby, teaching about feelings and…

Dodge, Diane Trister; Heroman, Cate

345

ACTUALIZACIÓN DE LA ESCALA DE DEPRESIÓN DEL CENTRO DE ESTUDIOS EPIDEMIOLÓGICOS (CES-D). ESTUDIO PILOTO EN UNA MUESTRA GERIÁTRICA MEXICANA  

Microsoft Academic Search

SUMMARY Introduction. Depression is one of the leading causes of disease and disability in the world. Yet, most cases of depression are ignored by the community or even at certain levels of the health care system. Thus, medical care is delayed, a fact that has a negative impact on public health and on socioeconomical conditions. In this context, screening instruments

Mónica Reyes-Ortega; Ana Laura Soto-Hernández; Jessyka G. Milla-Kegel; Adriana García-Ramírez; Lucía Hubard-Vignau; Lydia A. Mejía-Garza; Ma Carmen García-Peña; Fernando A. Wagner-Echeagaray

2003-01-01

346

Un Segundo Idioma en el Aula: Nos Estamos Perdiendo una Oportunidad? = A Second Language in the Classroom: Are We Missing the Boat?  

ERIC Educational Resources Information Center

|In recent years there has been greater emphasis placed on second language acquisition in schools. To be prepared for life in the 21st century, to function within an increasingly interdependent world society, to be free from the petty biases that hinder understanding and from the larger hatreds that lead to confrontation, children will need to…

Selman, Ruth Corey

2007-01-01

347

Como evalvar la actuacion del profesor en una clase de segundo idioma (How to Evaluate a Teacher in a Second Language Classroom).  

ERIC Educational Resources Information Center

|This guide in Spanish provides performance criteria for evaluating the foreign language teacher. It provides an outline for analyzing the teacher's actions and teaching methods in the classroom. Through the evaluation by an outsider, the teacher can learn his or her faults in the views of others and can improve on them. The aspects to be analyzed…

Galvez de Bracamonte, Teresa

348

Estudio de los Esquemas Conceptuales y de los Perfiles de Unos Alumnos de Segundo de Bup en Relacion con el Concepto de Pendiente de Una Recta.  

ERIC Educational Resources Information Center

|Presents a study to determine students' concept of slope carried out in three classes of the second form before introducing the notion of derivative. Discusses the meaning of conceptual framework and reviews literature on slope. Analyzes student responses to a questionnaire for mathematical content and expression and interprets the results. (MDH)|

Gimenez, Carmen Azcarate

1992-01-01

349

Viva La Diferencia! Segundo Modulo de una Serie para Maestros de Escuela Elemental (Long Live the Difference! Second Module of a Series for Elementary School Teachers).  

ERIC Educational Resources Information Center

|This guide, in English and Spanish, is designed to provide teachers with a scientific basis for identifying myths and distortions about men and women. A pre-test and post-test are included to measure the user's awareness of stereotypes. Object lessons address the following areas: (1) common sexual stereotypes; (2) sexual functions; (3) the…

Molina, Carmen Eneida, Ed.; And Others

350

Automatic Speaker Recognition: Considerations on an Adequate Methodology to Solve the Problem Riconoscimento Automatico Del Parlatore: Considerazioni Su Una Metodologica Atta Alla Soluzione Del Problema.  

National Technical Information Service (NTIS)

Some statistical considerations on the voice recognition problem was studied. No single parameter is sufficient, but results show a correlation function involving several parameters could be developed. Unfortunately there is not yet sufficient data on pop...

G. Ibba A. Paoloni

1978-01-01

351

Validación de escalas de seguridad alimentaria y de apoyo social en una población afro-colombiana: aplicación en el estudio de prevalencia del estado nutricional  

Microsoft Academic Search

We conducted a cross-sectional study on 193 mothers of children 6 to 18 months of age in an African-Colombian community, with the objec- tives: (1) to adapt and validate the Community Childhood Hunger Identification Project scale, the DUKE-UNC-11 social support scale, and the Quebec Longitudinal Study of Child Develop- ment (QLSCD) partner support scale, and (2) to identify any existent

Beatriz Eugenia Alvarado; María Victoria Zunzunegui; Helene Delisle

352

Studio mediante modello matematico del controllo in fase di avviamento di una caldaia a corpo cilindrico. (Cylindrical-bodied 320 MWe boiler start-up performance model).  

National Technical Information Service (NTIS)

Computer assisted design studies of the dynamic behavior of new thermoelectric units are necessary in order to verify the impact of modifications to past designs. These design checks are done with the aim of verifying the effect of the modifications on pr...

A. Beato P. Colombo F. Marziali L. Piroddi S. Quatela

1991-01-01

353

Identifi cación de Mycoplasma spp en leche bovina con una prueba de inmunoperoxidasa Identifi cation of Mycoplasma spp in bovine milk with an immunoperoxidase assay  

Microsoft Academic Search

The objective of this study was to implement an immunoperoxidase assay for the identifi cation of Myco- plasma spp from bovine milk. Eighty samples of naturally infected milk, with different Mycoplasma spp, were analyzed; the immunofl uorescence assay was used as a gold standard. The sensitivity of the immu- noperoxidase assay was six colony-forming units, with no cross-reactions between the

Fidel Infante-Martínez; Gerardo H. Flores-Gutiérrez; Javier Lozoya-Chávez

354

Estudio sociolinguistico de una variante sintactica el fenomeno "dequeismo" en el espanol canario (Sociolinguistic Study of a Syntactic Variant: The "Dequeismo" Phenomenon in Canary Islands Spanish).  

ERIC Educational Resources Information Center

The dequeismo phenomenon is occurring more frequently in spoken Spanish in both Spain and in Latin America. Introduction of the preposition "de" before "que" in nominal complements exploits one recourse in Spanish, namely the deictic capacity of prepositional "de" as a marker or introducer of the speaker's expressions, opinions, or thoughts. This…

Serrano, Maria Jose

1998-01-01

355

Potencial de reciclaje de los residuos de una institución de educación superior: el caso de la Universidad Autónoma de Baja California  

Microsoft Academic Search

Solid waste characterization is the first step that must be taken within the planning of an integrated waste management program. This paper reports the results of a characterization study of the waste from Campus Mexicali I of the Universidad Autónoma de Baja California (UABC), Mexico. The objective of this research was to quantify the reduction and recycling potential of the

Armijo de Vega

2006-01-01

356

MUTACIONES Y RECICLAJES DE LOS ROLES DE GÉNERO EN LATINOAMÉRICA ANTE LA CRISIS ECONÓMICA INTERNACIONAL Una mirada crítica desde la antropología cultural  

Microsoft Academic Search

La crisis económica y financiera internacional ha tenido diversos efectos sobre América Latina. Podemos suponer dos grandes escenarios: uno sombrío, poco alentador y carente de un futuro optimista y por otro, la traza de ciertas posibilidades o alternativas de vida, éstas últimas, a mi juicio, sólo partirán de las y los interesados, o sea, aquellas personas afectadas directa o indirectamente

Ángel Christian Luna Alfaro

2010-01-01

357

LA HABITABILIDAD DESDE UNA PERSPECTIVA SUBJETIVA: EL CASO DE LA AGEB 010-9 DEL FRACCIONAMIENTO OJO DE AGUA, MUNICIPIO DE TECÁMAC, ESTADO DE MÉXICO  

Microsoft Academic Search

El crecimiento desmedido e incontenible de la Zona Metropolitana de la Ciudad de México en los últimos 50 años, concatenado a las políticas de liberalización y desregulación económicas ha conformado un espacio con grandes núcleos de concentración generando problemas de habitabilidad y calidad de vida para sus habitantes. El diagnosticar la habitabilidad de dichas zonas es un trabajo complejo, pues

Osvaldo Velázquez Mejía

2010-01-01

358

""Una Persona Derechita" (Staying Right in the Mind)": Perceptions of Spanish-Speaking Mexican American Older Adults in South Texas "Colonias"  

ERIC Educational Resources Information Center

|Purpose: This study describes the perceptions of brain health among older Spanish-speaking Mexican Americans who reside in colonia areas of the Lower Rio Grande Valley of Texas. Design and Methods: In 2007, 33 Mexican American older adults (9 men and 24 women) were recruited by "promotoras" (community health workers) from clusters of "colonias"…

Sharkey, Joseph R.; Sharf, Barbara F.; St. John, Julie A.

2009-01-01

359

Realidades Suburbanas: Latinos en el Condado de Dakota. Una Investigacion Dirigida por HACER = Suburban Realities: Latinos in Dakota County. A Study Conducted by HACER.  

ERIC Educational Resources Information Center

|A research project was conducted between April and December of 1998 to learn about the experiences of the sizable numbers of Latinos who live in Dakota County (Minnesota). This diverse group was studied through examining existing demographic information, conducting interviews with 45 Latino and Anglo individuals, and conducting several focus…

HACER: Hispanic Advocacy and Community Empowerment through Research, Minneapolis, MN.

360

Relación de la resistencia a la insulina con diferentes medidas antropométricas y factores de riesgo cardiovascular en una población no diabética  

Microsoft Academic Search

Background and ObjectiveInsulin resistance (IR) has been directly related to obesity, particularly central obesity, and to other cardiovascular risk factors (CVRFs). Direct IR quantification is difficult in clinical practice, and indirect methods such as HOMA (homeostasis model assessment) have therefore been developed. The aim of this study was to assess the association of IR, as measured by HOMA, with different

Marta Simarro Rueda; Julio A. Carbayo Herencia; Javier Massó Orozco; Luis Miguel Artigao Rodenas; Lucinio Carrión Valero; Juan Antonio Divisón Garrote; Pilar Torres Moreno; Juan López Abril; Abel J. Herrero Hernández; Francisca Molina Escribano

361

Etica Comercial: Manual sobre la Administracion de una Empresa Comercial Responsable. (Business Ethics: A Manual for Managing a Responsible Business Enterprise in Emerging Market Economics.)  

National Technical Information Service (NTIS)

Published under the auspices of the Commerce Department's Good Governance Program, this book is a comprehensive manual on how to design and implement a business ethics program that is in accordance with modern standards of responsible business conduct. It...

2006-01-01

362

Colgajo CV y tatuaje: una alternativa para reconstrucción aréola pezón Nipple areeola reconstruction with c-v flap and tatoo. Experience in 18 patients  

Microsoft Academic Search

SUMMARY Background: The reconstruction of the nipple areola complex is the final complement to mammary reconstruction. Its objective is to give a natural look, giving a symmetrical aspect when compared with the opposite complex. Reconstruction techniques combine local flaps, grafting and tattoos. Material and Methods: Report of a series of 16 women who received 18 nipple areola complex reconstructions with

TRABAJOS CIENTÍFICOS

363

Hacia Adelante: Pathways to College. A Guide for Latino Families [and] Hacia Adelante: Pathways to College. Una Guia Para Familias Latinas.  

ERIC Educational Resources Information Center

|This guide provides a family approach to college planning, with the goal of helping Latino students gain college entrance. Part 1 provides basic information about college, including information about how early parents should begin talking with their children about college, how parents can help their children plan for college, ensuring that…

Rodriguez, Rosana; McCollum, Pam; Diaz-Sanchez, Micaela; Romero, Anna Alicia; Montemayor, Aurelio

364

La Marimba y el joven Pluma de Quetzal: una leyenda chiapaneca. (The Marimba and the Young Man, Pluma de Quetzal: A Chiapaneca Legend.)  

ERIC Educational Resources Information Center

|The illustrated book is about the legend of Pluma de Quetzal and the marimba. The story, which takes place in the Mexican state of Chiapas, tells how the woodcutters who lived in the area would sit around the fire talking and singing every night. Sung by tired voices, their songs had no happy music. Instead of happiness and hope, they expressed…

Marquez, Jerry

365

Analisis experimental sobre conveccion natural en una cavidad de relacion 2:1. (Experimental analysis of natural convection in a cavity with relation 2:1.).  

National Technical Information Service (NTIS)

This work develop an experimental study of the natural convection in Transient State in a cavity of the relation 2:1 (long-height), heated by a heat flux on a side wall with the opposite wall at constant temperature and equal at the temperature of the flu...

M. Reyes

1994-01-01

366

Una revisión de investigaciones rusas de plancton en el Golfo de México y Mar Caribe en los 1960-1980's  

Microsoft Academic Search

A book, 28 articles and two technical reports were published as results of the Soviet-Cuban and Soviet expeditions in 1962-1984, involving plankton samples collected at about 2,070 stations in the Gulf of Mexico and the Caribbean Sea. The results of those studies remained virtually unknown to the international community because they were published mainly in Russian. Two main types of

Yuri B. Okolodkov

2003-01-01

367

ESCENARIO POSIBLE DEL DESEMPEÑO PROFESORAL EN LA ENSEÑANZA EN UNA INSTITUCIÓN DE FORMACIÓN DOCENTE POSSIBLE SCENE OF PERFORMANCE PROFESORAL IN EDUCATION IN AN INSTITUTION OF EDUCATIONAL FORMATION  

Microsoft Academic Search

The main purpose of this article is to project the scenario possible of the professorial acting in an institution the teaching of educational formation. She takes like base the preliminary manifestations emitted by the informants of an investigation, related with the professorial acting in the teaching and investigation at present in carrying out an the Caracas Pedagogical Institute, the foundational

2007-01-01

368

Treatment of tinnitus in the elderly: a controlled trial of cognitive behavior therapy Tratamiento del acufeno en ancianos: una prueba controlada de terapia conductual cognitiva  

Microsoft Academic Search

The aim of the study was to investigate the effects of cognitive behavioral therapy (CBT) in elderly people with tinnitus (B \\/65 years). Thirty-seven patients were called in for a structured interview. Following exclusion, twenty- three participated in the trial. All participants underwent medical ear, nose, and throat (ENT) examination, audio- metry, and tinnitus matchings. A randomized controlled design with

Gerhard Andersson; Daniel Porsaeus; Magnus Wiklund; Viktor Kaldo; Hans Christian Larsen

369

Una revisión de los beneficios del aporte complementario de nutrientes durante el embarazo: desde hierro y ácido fólico hasta probióticos pasando por ácidos grasos poliinsaturados de cadena larga  

Microsoft Academic Search

ResumenEn esta revisión se resume el conocimiento actual sobre la eficacia de los aportes complementarios prenatales de nutrientes, desde hierro y ácido fólico (HAF), que representan el patrón asistencial en muchas partes del mundo, hasta los más novedosos como ácidos grasos ?–3 y probióticos, en la mejora de los desenlaces del estado de salud materno-infantil. En ensayos aleatorios controlados se

Usha Ramakrishnan

2010-01-01

370

Arqueologia i vida quotidiana a l'època medieval. L'excavació i interpretació d'una casa del segle XIII al jaciment de L'Esquerda  

Microsoft Academic Search

Archaeology and daily life in Middle Ages. The digging and interpretation of a 13th. century house in the site of l’Esquerda. The archaeological excavation on the iberian and mediaeval site of l’Esquerda, near the town of Roda de Ter, in the way to Pyrenean mountains, is carried on since 1977 by a University of Barcelona team. The special structure of

Imma Ollich i Castanyer

2002-01-01

371

CAMBIOS EN PARÁMETROS FÍSICOS, QUÍMICOS Y BIOLÓGICOS EN EL SUELO DE UNA SABANA PROTEGIDA DE QUEMA Y PASTOREO DURANTE VEINTICINCO AÑOS  

Microsoft Academic Search

Physical, chemical and biological changes in the soil of a savanna protected from burning and cattle raising for twenty five years Burning of vegetation is a frequent management in Trachypogon savannas to eliminate dry pastures and stimulate the production of foliages with higher nutritional content. Burning of vegetation has also been considered a key factor to explain the origin and

Danilo López-Hernández; Ismael Hernández-Valencia; Iraya Güerere

2008-01-01

372

Ingreso hospitalario de los recién nacidos según el origen étnico y el país de procedencia de los progenitores en una área urbana de Barcelona  

Microsoft Academic Search

ObjectiveThe birth rate in Spain has increased due to the continuous rise in the number of immigrants. Ethnic origin and socioeconomic position can be determining factors in differences in maternal and child health. The aim of the present study was to determine the possible existence of differences in neonatal diagnoses according to parental ethnic origin.

Carmen Puig Sola; Amparo Zarzoso Palomero; Óscar García-Algar; Francesc Cots Reguant; Andrea Burón Pust; Xavier Castells Oliveres; Oriol Vall Combelles

2008-01-01

373

Cuando su Hijo ha Desaparecido: Una Guia de Supervivencia para la Familia. Tercera Edicion (When Your Child Is Missing: A Family Survival Guide. Third Edition).  

National Technical Information Service (NTIS)

When your child is missing, your whole world seems to fall apart. You are bombarded by questions from friends, neighbors, the police, and the media and forced to make decisions that you never thought you would have to make. You feel desperate, confused, i...

2004-01-01

374

Il gioco d'azzardo patologico e le nuove dipendenze : il modello organizzativo del Dipartimento delle Dip endenze di Arezzo. Una prospettiva di salute pubblica  

Microsoft Academic Search

This paper presents the organizational model worked out by the Addictions Department - Gambling and New Addictions of Arezzo local health unit A-Usl 8 . Moving from a public health perspective in which gambling and new addictions are seen as phenomenons which influence not only the gambler's life quality and his\\/her family's but als o the community as a whole,

Valentina Cocci; Paolo E. Dimauro

2006-01-01

375

VALUTAZIONE CLINICO-RADIOGRAFICA DEL COINVOLGIMENTO DELLA MANO E DEL POLSO SU DI UNA POPOLAZIONE DI PAZIENTI AFFETTI DA ARTROPATIA PSORIASICA  

Microsoft Academic Search

SUMMARY The authors analize the clinical and X-ray findings observed in a group of 52 patients with confirmed psoriatic arthritis. No significant correlation was detected joint involvement and duration of psoriatic arthritis. The so called typical lesions (onicopathy, erosions of DIP, opera glass deformities) were infrequent, while polyarthritis resembling rheumatoid arthritis was present in the majority of patients. The number

M. ROSATI; L. RIENTE; C. NESTI; C. ROSETTI; S. FRIGELLI; A. DELLE SEDIE

2001-01-01

376

Role Model Impact in the Intention to Create a Start-Up\\/Impacto del Modelo a Imitar en la Intención de Crear una Empresa  

Microsoft Academic Search

Before the person actuation, first came the intention to act. In this paper we explore the relationship between having a role model and the intention to create a new business venture. The role model is one of the key factors for the personal behavior. The persons that have entrepreneurial intentions could take community entrepreneurs and family entrepreneurs as role models.

RICARDO BOLAÑOS

2006-01-01

377

Sobreeducació o canvi estructural? Una anàlisi de l'impacte de les TIC, la formació universitària i el canvi organitzatiu sobre els salaris en l'empresa  

Microsoft Academic Search

La severitat de la crisi econòmica actual ha posat en relleu la necessitat de transformar profundament l'estructura productiva de moltes economies a tot el món. Davant dels significatius creixements de l'atur, es planteja la necessitat que els treballadors i les empreses afrontin un procés de capacitació i canvi estructural que els permeti millors condicions de competència en l'economia global del

Joan Torrent-Sellens; Ángel Díaz-Chao; Pilar Ficapal-Cusí

2009-01-01

378

EVALUACION DE UNA SONDA FDR PARA LA ESTIMACIÓN DE LA EVOLUCIÓN DEL CONTENIDO DE AGUA EN EL SUELO Y PARA EL CONTROL DE RIEGOS EN OLIVAR  

Microsoft Academic Search

The methodology of the water balance is normally used in the irrigation scheduling. The most direct method to evaluate that methodology would be determinate the temporal evolution of the moisture in soil. There are different methods to measure the moisture in soil and each one has several advantages and difficulties. In this work a FDR probe, called Diviner 2000 (Sentek

J. Hidalgo

379

LUMINA, una Cohorte de Pacientes con Lupus en Minorías Étnicas de Estados Unidos. ¿Qué Hemos Aprendido? LUMINA, a Multiethnic US Lupus Cohort What Have We Learned?  

Microsoft Academic Search

Systemic lupus erythematosus (SLE) tends to be a more serious disease (disease manifestations, disease activity, damage accrual and expected survival) among non-Caucasian populations. Distinctive biological and genetic features, as well as socioeconomic features play an important role in the discrepant course, and outcome of the disease among patients from different ethnic groups. To delineate the influence of these factors on

Mónica Fernández; Jaime Calvo-Alén; Qing Li; Gerald McGwin Jr; Luis M. Vilá; John D. Reveille; Graciela S. Alarcón

380

Desarrollo de una Medida Específica para la Evaluación de la Calidad de Vida en Pacientes Adultos Viviendo con Hemofilia en América-Latina: el Hemolatin-QoL  

Microsoft Academic Search

A new disease-specific instrument to assess quality of life in adults living with hemophilia has been developed in a multinational Latin American working group, in cooperation with hemophilia treatment centers and national hemophilia organizations in eight Latin American countries (Argentina, Brazil, Colombia, Cuba, Guatemala, Panama, Uruguay and Venezuela; 10 centres involved). Five adults with hemophilia per center ( N=50) participated

Eduardo Remor

2005-01-01

381

La creación de empresas en el ámbito universitario: una aplicación de la teoría de los recursos Firm creation in universities: a resource based view  

Microsoft Academic Search

Firm creation is used by universities not only to transfer technology to society but also to contribute to the development of the regional economy. However, due to the relatively recent character of the phenomenon of the university spin-offs, the empirical studies are not plentiful on the topic. From a resource based view, this paper analyses what universities' resources have an

DAVID RODEIRO PAZOS; SARA FERNÁNDEZ LÓPEZ; LUÍS OTERO GONZÁLEZ; ALFONSO RODRÍGUEZ SANDIÁS

382

Arrecifes de Coral: Una Coleccion de Actividades en Espanol para Estudiantes de Escuela Intermedia (Coral Reefs: A Spanish Compilation of Activities for Middle School Students).  

ERIC Educational Resources Information Center

|This activity book for middle school students on coral reefs is divided into 10 sections. Section 1 is the introduction. Section 2 describes what coral reefs are while section 3 describes how coral reefs reproduce and grow. Section 4 describes where coral reefs are found, and section 5 describes life on a coral reef. Section 6 describes the…

Walker, Sharon H.; Newton, R. Amanda; Ortiz, Alida

383

Previniendo el Uso de Drogas entre Ninos y Adolescentes: Una Guia Basada en Investigaciones (Preventing Drug Use among Children and Adolescents: A Research-Based Guide).  

ERIC Educational Resources Information Center

This question and answer guide provides an overview of the research on the origins and pathways of drug abuse, the basic principles derived from effective drug abuse prevention research, and the application of research results to the prevention of drug use among young people. The basic principles derived from drug abuse prevention research are…

Sloboda, Zili; David, Susan L.

384

La atención a las personas con esquizofrenia y otros trastornos mentales graves desde los servicios públicos: una atención integral e integrada en un modelo comunitario  

Microsoft Academic Search

The care of people with schizophrenia and other severe mental disorders remains an important aim for public mental health services, because this group are one of the most unprotected between of persons with mental illness, due to their risk of uprooting and marginality. They need well coordinated networks of health and social services, and trained and involved professionals, and the

Apuntes de Psicología; Margarita LAVIANA-CUETOS; Servicio Andaluz de Salud

385

Consumo de zumos de frutas en el marco de una alimentación saludable: Documento de Postura del Comité Científico “5 al día”  

Microsoft Academic Search

This article is the adapted version of the publication standards of the Actividad Dietética journal in the Position Paper of the Scientific Committee “5 a day” with respect to the Consumption of fruit juices in the framework of a healthy diet. The position was approved at the Vth Scientific Committee Meeting held in Madrid on April 4th, 2009. The controversy

Manuel Moñino; Eduard Baladia; Andreu Palou; Giuseppe Russolillo; Iva Marques; Andreu Farran; Iciar Astiasarán; Juan Manuel Ballesteros; Alfredo Martínez; Jordi Salas-Salvadó; Isabel Polanco; Francesc Miret; Margarita Alonso; Joan Bonany; Lola Romero de Ávila; Jesús Campos; Jose Pérez; Antonio Agudo; Victoria Gilabert; Graciela García; Francisco Pérez; Nuria Martínez; Pilar Cervera; Maria Manera; Julio Basulto

2010-01-01

386

Ideas, Creencias, Actitudes. Primer Modulo de una Serie para Maestros de Escuela Elemental (Ideas, Beliefs, Attitudes. First Module of a Series for Elementary Teachers).  

ERIC Educational Resources Information Center

This guide for teachers, in English and Spanish, examines the role of stereotypes within the context of contemporary beliefs, ideas, and attitudes. A pre-test and post-test are included to measure the user's awareness of stereotypes. Object lessons cover the following topics: (1) definition of stereotypes; (2) racial and ethnic stereotypes; (3)…

Molina, Carmen Eneida, Ed.; And Others

387

Los Rizos y el Beisbol. Septimo Modulo de una Serie para Maestros de Escuela Elemental. (Curls and Baseball. Seventh Module of a Series for Elementary School Teachers).  

ERIC Educational Resources Information Center

This guide for teachers, in English and Spanish, examines how assigned sex roles affect grade school girls in competitive sports, simple games, pastimes, and other extracurricular activities. A pre-test and post-test are included to measure the user's awareness of sexual stereotypes. Five object lessons cover the following topics: (1) myths that…

Molina, Carmen Eneida, Ed.; And Others

388

Una Mujer Trabaja Doble Aquí”: Vignette-Based Focus Groups on Stress and Work for Latina Blue-Collar Women in Eastern North Carolina  

Microsoft Academic Search

Latina women are a growing percentage of the working population, and very little is known about their health needs and interests. The purpose of this article is to share qualitative research results gathered from Latina women with a particular focus on exploring stress and health. This project was a substudy of Health Works in the Community, a 5-year CDC-funded multiple

Michele M. Easter; Laura A. Linnan; Margaret E. Bentley; Brenda M. DeVellis; Andrea Meier; Pamela Y. Frasier; Kristine S. Kelsey; Marci K. Campbell

2007-01-01

389

Protección contra babesiosis bovina con una vacuna mixta de Babesia bovis y Babesia bigemina derivada de cultivo in vitro bajo una confrontación de campo. Inmunización en un área libre de la enfermedad Protection against bovine babesiosis with a mixed in vitro culture-derived Babesia bovis and Babesia bigemina vaccine under field challenge. Immunization in a disease-free area  

Microsoft Academic Search

In Mexico, there is an attenuated live vaccine against bovine babesiosis that has been shown to confer protection to susceptible cattle immunized and challenged under controlled conditions. Immunized cattle survive a challenge using known numbers of virulent parasites of both Babesia bovis and Babesia bigemina. However, stress-inducing field situations such as transportation or tick-transmitted infection have not been taken into

Germinal Jorge; Cantó Alarcón; Jesús Antonio; Álvarez Martínez; Edmundo Enrique; Rojas Ramírez; Juan Alberto Ramos Aragón; Juan Joel Mosqueda Gualito; Carlos Agustín Vega; Julio Vicente; Figueroa Millán

2003-01-01

390

Una audiencia pequeña, una responsabilidad mayor: análisis del modelo europeo de creación de medios de comunicación en idiomas autóctonos minoritarios para el caso colombiano Small Audience, Great Responsibility: Analysis of the European Model for Creating Communication Media in Aboriginal Minority Languages for the Colombian Case  

Microsoft Academic Search

An in-depth study of the circumstances that led to develop communication media in aboriginal minority languages in Euro- pe to establish its replication possibilities for the Colombian case. Subsequently, they can become the starting point for re- searching about development and appli- cability of aboriginal minority languages media in Colombia.

Enrique Uribe Jongbloed

391

Pore water chemistry of a Paleogene continental mudrock in Spain and a Jurassic marine mudrock in Switzerland: Sampling methods and geochemical interpretation Química del agua intersticial de una arcilla continental Paleógena en España y una arcilla marina Jurásica en Suiza: métodos de muestreo e interpretación geoquímica  

Microsoft Academic Search

This work summarises the methodologies and approaches developed in CIEMAT during the last 10 years for the characterisation of argillaceous formations with the aim of obtaining information on their pore water composition. The work is focused on two sedimentary formations: the Opalinus Clay from Switzerland and an Oligocene-Miocene Clay from Spain, with rather different characteristics as much from the point

M. J. Turrero; A. M. Fernández; J. Peña; M. D. Sánchez; P. Wersin; P. Bossart; A. Melón; A. Garralón; A. Yllera; P. Gómez; P. Hernán

392

Recharge characteristics of a phreatic aquifer as determined by storage accumulation  

NASA Astrophysics Data System (ADS)

The cumulative storage accumulation curve (CSAC) is a tool for saturated-volume fluctuation (SVF) analysis of transient recharge to shallow phreatic aquifers discharging only to springs. The method assumes that little underflow or phreatic evapotranspiration occurs. The CSAC is a modified water-table hydrograph that distinguishes storage increase caused by recharge from loss due to springflow-induced recession. Required for the analysis are water-table fluctuations at a single representative location within the catchment of a single spring and either direct measurements or robust interpolations of springflows at different aquifer stages. The method employs empirical manipulation of head observations, varying spring catchment area to minimize CSAC water-level changes in late portions of long recessions. Results include volumetric estimates of recharge integrated over individual events and instantaneous rates of recharge to the water table, at the temporal resolution of the water-level sampling interval. The analysis may also yield physically realistic information on spring catchment and recharge focusing. In a test case in West Virginia, USA, recharge estimates by this technique were consistent with integrated springflow time series but greater than estimates based on potential evapotranspiration. Results give insight into dynamic recharge behavior over time as well as an indication of recharge catchment size. Résumé. La courbe cumulative de stockage est un outil d'analyse de la fluctuation du volume de la zone saturée en recharge transitoire de nappes peu profondes se déchargeant uniquement par des sources. La méthode suppose que les effets de la drainance ou de l'évapotranspiration sont faibles. La courbe cumulative de stockage est un hydrogramme de nappe modifié qui fait la distinction entre l'accroissement du stockage dû à la recharge et les pertes dues à la récession liée à l'écoulement aux sources. Sont nécessaires pour cette analyse les fluctuations de la nappe en un point unique représentatif du bassin d'alimentation d'une source unique et soit des mesures directes soit des interpolations robustes des écoulements à la source pour les différents états de l'aquifère. La méthode recourt à une manipulation empirique des observations de la piézométrie, faisant varier l'extension du bassin d'alimentation de la source, afin de minimiser les variations du niveau de la nappe liées à la courbe cumulative de stockage dans les parties lointaines des longues récessions. Les résultats prennent en compte les estimations de volume de la recharge intégré sur des événements individuels et sur des taux instantanés de recharge de la nappe, pour une résolution temporelle de l'intervalle d'observation de la nappe. L'analyse peut aussi fournir une information physiquement réaliste sur le bassin d'alimentation de la source et sur la concentration de la recharge. Dans un test effectué en Virginie occidentale (États-Unis), les estimations de la recharge par cette technique concordaient avec la chronique des débits de la source, mais étaient supérieures à celles basées sur l'évapotranspiration potentielle. Les résultats donnent un aperçu sur le comportement de la recharge dynamique au cours du temps aussi bien qu'une indication sur l'étendue de l'aire de recharge. Resumen. La curva acumulativa de incremento de almacenamiento (acrónimo CSAC, en inglés) es una herramienta para analizar la fluctuación del volumen saturado debida a la recarga transitoria en acuíferos freáticos someros que descargan únicamente por medio de manantiales. El método presupone que la evapotranspiración desde el nivel freático es pequeña. El CSAC es un hidrógrafo modificado del nivel freático, que permite distinguir el aumento de almacenamiento causado por la recarga de la descarga a través de los manantiales. El análisis requiere conocer las fluctuaciones del nivel freático en un punto representativo dentro de la cuenca de un manantial y, o bien medidas o bien interpolaciones robustas de los caudales en el

Ketchum, Neil; Donovan, Joseph; Avery, William

2000-09-01

393

Three-dimensional mathematical model to simulate groundwater flow in the lower Palar River basin, southern India  

NASA Astrophysics Data System (ADS)

A three-dimensional mathematical model to simulate regional groundwater flow was used in the lower Palar River basin, in southern India. The study area is characterised by heavy ion of groundwater for agricultural, industrial and drinking water supplies. There are three major pumping stations on the riverbed apart from a number of wells distributed over the area. The model simulates groundwater flow over an area of about 392 km2 with 70 rows, 40 columns, and two layers. The model simulated a transient-state condition for the period 1991-2001. The model was calibrated for steady- and transient-state conditions. There was a reasonable match between the computed and observed heads. The transient model was run until the year 2010 to forecast groundwater flow under various scenarios of overpumping and less recharge. Based on the modelling results, it is shown that the aquifer system is stable at the present rate of pumping, excepting for a few locations along the coast where the groundwater head drops from 0.4 to 1.81 m below sea level during the dry seasons. Further, there was a decline in the groundwater head by 0.9 to 2.4 m below sea level in the eastern part of the area when the aquifer system was subjected to an additional groundwater withdrawal of 2 million gallons per day (MGD) at a major pumping station. Les modèles mathématiques en trois dimensions de l'écoulement souterrain régional sont très utiles pour la gestion des ressources en eau souterraine, car ils permettent une évaluation des composantes des processus hydrologiques et fournissent une description physique de l'écoulement de l'eau dans un aquifère. Une telle modélisation a été entreprise sur une partie du bassin inférieur de la rivière Palar, dans le sud de l'Inde. La zone d'étude est caractérisée par des prélèvements importants d'eau souterraine pour l'agriculture, l'industrie et l'eau potable. Il existe trois grandes stations de pompage sur la rivière en plus d'un certain nombre de puits répartis dans cette région. Le modèle simule l'écoulement souterrain dans une région d'environ 392 km2 avec 70 rangs, 40 colonnes et deux couches. Le modèle a fonctionné en régime transitoire en utilisant une approximation aux différences finies d'une équation différentielle partielle en trois dimensions de l'écoulement souterrain dans cet aquifère pour la période 1991-2001. Le modèle a été calibré pour des conditions de régime permanent et transitoire. Les charges hydrauliques calculées étaient en bon accord avec celles observées. Sur la base des résultats du modèle, il est apparu que le système aquifère est stable pour ce taux de pompage, excepté en quelques sites le long de la côte où l'eau marine a pénétré 50-100 m dans les terres. Le modèle transitoire a tourné jusqu'en 2010 afin de prévoir l'écoulement souterrain dynamique pour différents scénarios de pompage excessif et de recharge réduite. Il se produit un abaissement de la piézométrie de la nappe de 0.6 à 0.8 m dans la partie orientale, alors que l'aquifère est soumis à un prélèvement supplémentaire de 8,000 m3/jour à l'une des stations principales de pompage. Même avec le niveau actuel de pompage, la piézométrie de la nappe descendrait sous le niveau de la mer au cours des saisons sèches. Le modèle prédit le fonctionnement du système aquifère sous différentes conditions de stress hydrologique. Los modelos tridimensionales de flujo de aguas subterráneas son útiles para gestionar los recursos hídricos subterráneos, ya que proporcionan una aproximación a los diversos procesos hidrológicos y una descripción cuantitativa del flujo de agua en el acuífero. Se ha desarrollado un estudio de modelación de este tipo en una parte de la cuenca baja del río Palar, en el Sur de la India. Esta zona se caracteriza por las intensas extracciones de aguas subterráneas para usos agrícolas, industriales y domésticos. Hay tres estaciones de bombeo principales en el río, además de numerosos pozos distribuidos por la zona. El modelo simula el fluj

Senthilkumar, M.; Elango, L.

394

Cambios en la actividad cerebral en el envejecimiento normal en una tarea con interferencia valorados mediante magnetoencefalografía Magnetoencephalographic assessment of changes in brain activity in normal aging when performing a task under interference conditions  

Microsoft Academic Search

Objective: To determine whether performing a recognition task under interference conditions produces chan- ges in brain activity pattern compared with the activity seen under conditions of passive interference. Population and methods: Twenty healthy elderly subjects were subjected to magnetoencephalography. In each patient we applied the Wechsler Memory Scale-III (WMS-III), the Wechsler Intelligence Scale, the Boston Na- ming Test, the verbal

Solesio E; Maestú F; Campo P; González J; Ortiz T

395

USO DE CADENAS DE MARKOV PARA LA PREDICCIÓN DE LA DINÁMICA DEL COMPORTAMIENTO DE PACIENTES EN UNA UNIDAD DE CUIDADO INTENSIVO CARDIOLÓGICA USE OF MARKOV CHAINS IN PREDICTION OF THE DYNAMICS OF PATIENT BEHAVIOR IN A CARDIOLOGIC INTENSIVE CARE UNIT  

Microsoft Academic Search

In this paper we present a probabilistic model that contributes to the study of dynamics in the behavior and permanence of patients in a cardiovascular intensive care unit. The model corresponds to a discrete Markov Chain, that allows to predict the time that a patient remains in the system through the time, by means of certain severity of illness states

Víctor Albornoz; Mónica Hinrichsen; Patricia Miranda; Pedro Peña

2006-01-01

396

Conversado con su Medico: Consejos para Lograr una Buena Comunicacion Entre las Personas de la Tercera Edad y su Doctor (Talking With Your Doctor: A Guide for Older People).  

National Technical Information Service (NTIS)

How well you and your doctor talk to each other is one of the most important parts of getting good health care. A good patient-doctor relationship is a partnership. You and your doctor can work as a team, along with nurses, physician assistants, pharmacis...

2004-01-01

397

Workshop. La reologia del sangue: una scienza multidisciplinare. Istituto Superiore di Sanita. Roma, 8 Novembre 2002 (Workshop. The Rheology of Blood: A Multidisciplinal Science. Istituto Superiore di Sanita. Rome, November 8, 2002).  

National Technical Information Service (NTIS)

In the last years, the rheology of blood or haemorheology has had an increasing development in various areas of biology and medicine. This Workshop, organized by the Istituto Superiore di Sanita (the Italian National Institute of Health) and the Societa I...

P. Caprari M. C. Martorana

2003-01-01

398

An overview on safety issues of interactions between traditional herbal medicines and pharmaceutical medicines (Una apreciación global sobre la seguridad de las interacciones entre las medicinas herbarias tradicionales y los fármacos)  

Microsoft Academic Search

The increasing popularity world-wide of using herbal medicinal materials (HMM) from ethnic traditional medicine such as the widely used Chinese materia medica (CMM) or other ethnic herbal medicines and related proprietary health products (PHP), functional food and prescription herbal medicines has raised concerns over their concomitant use with pharmaceutical medicines (PHARMED) and the consequential adverse effects. In most cases the

Kelvin CHAN

2008-01-01

399

Receta para el Exito. Una Guia Actualizada para Padres sobre el Mejoramiento de las Escuelas de Colorado y Logros Estudiantiles (Recipe for Success: An Updated Parents' Guide to Improving Colorado Schools and Student Achievement).  

ERIC Educational Resources Information Center

This Spanish language guide describes ways that parents can help improve student achievement and school quality. It answers such questions as: how to choose the right early-education opportunity for a preschooler; how to make sure a 5-year-old is ready for school; how to help a daughter do well in school; how to work with a daughter's or son's…

Taher, Bonnie; Durr, Pamela

400

LA EXPRESIÓN DE LA POESÍA A TRAVÉS DE LAS ARTES PLÁSTICAS, UNA EXPERIENCIA PEDAGÓGICA DE INTEGRACIÓN CURRICULAR THE EXPRESSION OF POETRY THROUGH THE FINE ARTS, A PEDAGOGIC EXPERIENCE OF CURRICULUM INTEGRATION  

Microsoft Academic Search

The present article refers to a pedagogic experience carried out in the Primary School of Platanares; an experience that dealt with curricular integration between the fine arts and poetry. In addition, the relevance of team work by parents, teachers and the students of two Primary School third-grade sections is highlighted. We make emphasis on the cooperative labor and partnership from

Julieta Castro Bonilla; Patricia Stokoe; Alicia Sirkin

401

Estabilidad de las fases martensiticas en Cu-Zn-Al en una concentracion de electron de 1534. (Stability of the martensitic phases in Cu-Zn-Al at an electron concentration of 1534).  

National Technical Information Service (NTIS)

The (beta) phase to martensite and the martensite to martensite transformations in Cu-Zn-Al single crystals of a high electron concentration have been studied as a function of the temperature. A stress temperature diagram, similar to that proposed in the ...

J. L. Pelegrina M. Ahlers

1989-01-01

402

DIsTuRBI MENOpAusALI NELLE DONNE OpERATE pER CARCINOMA MAMMARIO: uNA CONDANNA sENzA AppELLO?  

Microsoft Academic Search

Many breast cancer survivors suffer from menopausal symptoms and in young women they are induced and worsened by adjuvant chemio-hormonal therapies. HRT is controindicated in women prevoiusly treated for breast cancer and it's necessary to find alternative options. vasomotor symptoms are the most frequent complaints. Phytoestrogens, Cimicifuga Racemosa and vitamine E have been shown to be as effective as placebo.

Nicoletta Biglia; Franziska Kubatzki; Davide Marenco; Paola Sgandurra; Elisa Peano; Piero Sismondi

403

Fields without Borders: An Anthology of Documentary Writing and Photography by Student Action with Farmworkers' Interns = Campos sin Fronteras: Una Antologia de Obras Escritas y Fotografia por Estudiantes Internos de Accion Estudiantil con Trabajadores Agricolas.  

ERIC Educational Resources Information Center

In this booklet, essays and poems, presented both in English and in Spanish, portray the feelings, conditions, and economic plight of migrant and seasonal farmworkers in North and South Carolina, often in their own words. A preface describes Student Action with Farmworkers summer internships in which college students spend 10 weeks working with…

Manly, Libby, Ed.; Okie, Alejandra, Ed.; Wiggins, Melinda, Ed.

404

Alcoholism and the Hispanic: A Mutual Concern = El Alcoholismo y Los Hispanos Una Preocupacion Nacional. Proceedings of the National Hispanic Conference on Alcoholism (San Antonio, Texas, September 7-10, 1981).  

ERIC Educational Resources Information Center

Written in Spanish and English, the proceedings include 6 papers and the recommendations presented at the conference on alcoholism and alcohol-related problems among Hispanics attended by approximately 400 participants, representing 29 states, Puerto Rico, and Mexico. "The Challenge of the 1980's: Action Through Unity" discusses the need for unity…

AVANTE International Systems Corp., San Antonio, TX.

405

Diseño de una matriz de soporte compuesta de colágeno de piel de tiburón-aloe para ingeniería tisular Design of shark skin collagen-aloe composite scaffold for tissue engineering  

Microsoft Academic Search

Collagen has proven to be a novel biomaterial used for drug delivery, wound cover dressings or as a substrate for tissue engineering with unique biocompatibility and biodegradable properties. Bovine and porcine Type I collagen provide a readily available source of scaffold material for various biomedical applications. However these sources have some potential risk of infectious diseases such as bovine spongiform

SHANMUGANATHAN S; SHANMUGASUNDARAM N; ADHIRAJAN N; RAMYAA LAKSHMI TS; BABU M

406

EFICIENCIA EN LA CONCENTRACIÓN DE LA PROTEÍNA DE LACTOSUERO CON UNA PLANTA MÓVIL DE ULTRAFILTRACIÓN Y NANOFILTRACIÓN Efficiency of Whey Protein Concentration With a Portable Ultrafiltration and Nanofiltration Plant  

Microsoft Academic Search

In order to evaluate the efficiency of whey protein concentration in a mobile filtration plant composed of an ultra-filtration module and a nano-filtration module, analyses of ultra (P1) and nano (P2) filtration permeates for total solids, protein, ash and lactose of the original whey, and protein concentrate were conducted. Ash content was determined by the AOAC method. Total solids was

Aleida C. García; Aiza C. García

2003-01-01

407

MONOS AULLADORES (Alouatta palliata) EN UNA PLANTACIÓN DE CACAO (Theobroma cacao) EN TABASCO, MÉXICO: ASPECTOS DE LA ECOLOGÍA ALIMENTARIA Howler monkeys (Alouatta palliata) in a cocoa plantation (Theobroma cacao) in Tabasco, Mexico: aspects of feeding ecology  

Microsoft Academic Search

Palabras clave: monos aulladores, Alouatta palliata, ecología alimentaria, plantación de cacao, agrosistemas, Tabasco, México. ABSTRACT. Recent evidence indicates that wild primate populations may persist in Neotropical fragmented landscapes by using some agrosystems. However, few data are available on how these primates are able to survive in these artificial habitats. The feeding ecology of a troop (N=24 individuals) of howler monkeys

D Muñoz; A Estrada; E Naranjo

2005-01-01

408

Methodology for producing 100 tons of fuel peat for a cement plant test burn. Metodologia para producir 100 toneladas de turba combustible para una prueba de quema en uns planta de cemento  

SciTech Connect

As a part of the Agency for International Development-funded cooperative project between Los Alamos and Costa Rica, the burning characteristics of Costa Rican peat were to be tested in an application. The cement plant owned by Industria National de Cemento in Cartago has a capability to handle solid fuel and was chosen for the burn demonstration. The Jungle No. 1 Peat Deposit near El Cairo was chosen as the site of the peat excavation. This peat production methodology study covers project site selection, installation of an access road and clearing of the jungle vegetation, removal of an upper layer of organic peat, excavation of fuel-grade peat, transport of the peat to the drying site, and drying and stockpiling of the finished product. As of this date the peat removal for the demonstration project has been started, and a description of the operation is included as an appendix to this paper. 10 figs.

Allen, A.B.; Malavassi, L.; Ramirez, O.; Thayer, G. (Allen (Andrew), Plymouth, NC (USA); RECOPE, San Jose (Costa Rica); Los Alamos National Lab., NM (USA))

1989-05-01

409

Puerto Rican Psychology: A Review of Issues Pertaining to Assessment and Counseling = La Psicologia Puertorriquena: Una Revision de la Problematica Relacionada con la Medicion y la Consejeria. Monograph #135.  

ERIC Educational Resources Information Center

This is a collection of papers related to psychological assessment and counseling in Puerto Rico. Included are: (1) an introduction (in Spanish), by Joseph O. Prewitt-Diaz; (2) "A Procedure for Constructing Valid Cross-Cultural Attitude Measures for Use in Puerto Rico," by Cecil R. Trueblood; (3) "Perfil de Personalidad en el Adolescente…

Prewitt-Diaz, Joseph O., Ed.

410

I processi cumulativi nella crisi del debito degli anni 80: una lettura dai casi di Argentina, Brasile e Messico Cumulative processes in the 1980s debt crisis: an analysis from Argentina, Brazil and Mexico's case studies  

Microsoft Academic Search

This paper analyses the 1980s Latin American debt crisis in Argentina, Brazil and Mexico and, in particular, the influence of cumulative processes at work in its early and final stages. The paper is organised in three sections. The first examines the crisis<92> features in the three countries, and maps the key macroeconomic and behavioural relationships at its onset and resolution.

Andrea de Panizza

2003-01-01

411

DATOS PARA EL DESARROLLO DE UNA RED INTEGRADA DE SEGUIMIENTO DE LA CALIDAD DE SUELOS EN GALICIA (N.O. DE ESPAÑA): BALANCES GEOQUÍMICOS EN SUELOS FORESTALES (Pinus radiata). 1. APORTES DE ELEMENTOS POR DEPOSICIÓN ATMOSFÉRICA Y HOJARASCA  

Microsoft Academic Search

A dynamic study of the balances of the principal elements in a Pinus radiata D. Don forest system was carried out during two consecutive years (1997\\/8), in a forest plot situated in the centre of Galicia (Alto de O Martelo, A Coruña, NW Spain). The aim of the study was to obtain data that would allow reference levels to be

M. X. GÓMEZ-REY; R. CALVO DE ANTA

412

AISLAMIENTO DE Salmonella y Escherichia coli PATÓGENAS DURANTE EL PROCESAMIENTO DE HAMBURGUESAS EN UNA PEQUEÑA PLANTA DE MARACAIBO, VENEZUELA Isolation of Salmonella and Pathogenic Escherichia coli during Processing of Hamburger Patty in a Small Plant of Maracaibo, Venezuela  

Microsoft Academic Search

The objective of this study was to determine the presence of Salmonella, pathogenic E. coli and to detect potentials sources of contamination in a small meat processing plant of hamburg- ers with an average of production the 120 kg\\/day of product. Samples were taken from 52 ingredients (n = 52): raw meat in frozen blocks (BLOCAR), ground reprocessed meat (REPRO-

Claudia A. Narváez; Katynna C. Parra; Nelson Huerta-Leiden; Argenis Rodas-González; Lilia Arenas de Moreno

2005-01-01

413

La inoculación de Lactobacillus casei en ratones NIH induce una respuesta protectora contra la infección por Trypanosoma cruzi (cepa Ninoa) The inoculation of Lactobacillus casei in NIH mice induces a protective response against Trypanosoma cruzi (Ninoa strain) infection  

Microsoft Academic Search

The aim of the present study was to evaluate the effect of Lactobacillus casei administered orally or intraperitoneally to NIH mice, on the experimental infection with Trypanosoma cruzi Ninoa strain. Twenty three NIH mice were randomly distributed into three groups, which were treated seven days before the infection with 12 ? 104 Trypanosoma cruzi, Ninoa strain. The animals in the

Carlos Ramón; María del Carmen; Torres Álvarez; Federico Martínez Gómez

414

DIFUSIÓN DE UN TRAZADOR EN UN ESPACIO BIDIMENSIONAL: MODELO DE DIFUSIÓN DE AGUA EN UNA MEMBRANA BIOLÓGICA TRACER DIFFUSION IN A TWO-DIMENSIONAL SPACE: MODEL OF WATER DIFFUSION IN A BIOLOGICAL MEMBRANE  

Microsoft Academic Search

In this work simulations of tracer transport through a two-dimensional space were carried on, simulating water diffusion through a biological membrane. Two models were studied: a pure fosfolipidic membrane a nd a membrane with transmembrane proteins. Every membrane was simulated by means of an o ccupation matrix in which every element represents the probability p that the corresponding place on

E. A. Perez Leale; P. M. Jacovkis; O. Chara

415

Los Impactos de la abolición de la Politica Agraria Común en España: Una aproximación analítica  

Microsoft Academic Search

The aim of this paper is to quantitatively assess the long run economic impact of Common Agricultural Policy (CAP) abolition, where in particular, we focus on the Spanish economy. To carry out our analysis, we employ the Global Trade Analysis Project (GTAP) computable general equilibrium model with accompanying version 6 data. In its present incarnation, the data captures the global

Ramon Ramos Argudo; J. Aliaga Lordeman; J. Sanchez Choliz

2009-01-01

416

CAMBIOS EN LAS PROPIEDADES FÍSICAS DE DOS SUELOS DE UNA REGIÓN SEMIÁRIDA DEBIDOS AL USO AGRÍCOLA CHANGES IN THE PHYSICAL PROPERTIES OF TWO SOILS IN A SEMI-ARID ENVIRONMENT DUE TO AGRICULTURAL USE  

Microsoft Academic Search

The influence of soil management and tillage intensity in the physical properties of an eutric Fluvisol and an eutric Regosol, located at Noria de Ángeles in the state of Zacatecas, México, was assessed. The management practices evaluated were: soil tillage using animal and mechanical draft and, as control, natural vegetation soils. The infiltration rate and penetration resistance were determined in

Fidencio Sustaita-Rivera; Víctor Ordaz-Chaparro; Carlos Ortiz-Solorio; Fernando de León-González; Huajuapan de León

2000-01-01

417

VARIACIONES DIARIAS DE TEMPERATURA, SALINIDAD, OXIGENO DISUELTO Y CLOROFILA a , EN UNA LAGUNA HIPERSALINA DEL GOLFO DE CALIFORNIA DAILY VARIATIONS OF TEMPERATURE, SALINITY, DISSOLVED OXYGEN AND CHLOROPHYLL a, IN A HYPERSALINE LAGOON OF THE GULF OF CALIFORNIA  

Microsoft Academic Search

Time series of temperature, salinity, dissolved oxygen and chlorophyll a were obtained during one year in La Cruz Lagoon, Sonora (Mexico), in order to know the processes that generate variabil- ity in the lagoon. Spectral analysis of these time series showcd that the variability was associated to processes with periods of 3 to 15 days. These fortnightly periods are related

José Eduardo Valdez-Holguín

418

Evaluación de la Eficacia y Tolerancia de una Solución Topical Externa en gotas en base a Flumetrina al 1% (Ectickol ® Pour On)* para el control de infestaciones por Ctenocephalides canis en Cuyes de la Sierra Central  

Microsoft Academic Search

This study aimed at evaluating the effectiveness and tolerance of an external solution for implementation in drops, based on Flumethrin 1% (Ectickol ® Pour On) at a dose of 1 mg \\/ kg. liveweight, which in practice is equivalent to two drops per kg live weight applied on the back for treating flea in twenty (20) guinea pigs in the

José Tang Ploog; Fabián Ruiz Herrera; Luis Rodríguez Izaguirre

419

Evaluación de Eficacia y Tolerancia de una Solución Topical Externa de Fenilpirazol (Fipronil) al 1 % (Ectonil® Pour On)* para el control de infestaciones por Melophagus ovinus en Alpacas en la Sierra Central  

Microsoft Academic Search

This study aimed at evaluating the effectiveness and tolerance of an external solution to the pour on application, based on Fipronil 10 mg. (Ectonil Pour On) at a dose of 1 ml \\/ 10 kg. by Animal treaty which they were applied along the midline dorsal from the cross to the base of the tail, in the treatment of a

José Tang Ploog; Fabián Ruiz Herrera; Luis Rodríguez Izaguirre

420

Evaluación de Eficacia y Tolerancia de una Solución Topical Externa sobre la base de Flumetrina al 1% (Ectickol ® Pour On)* para el control de infestaciones por Melophagus ovinus en Alpacas de la Sierra Central  

Microsoft Academic Search

This study aimed at evaluating the effectiveness and tolerance of an external solution to the pour on application, based on Flumetrina al 1% (Ectickol ® Pour On) at a dose of 1 ml \\/ 10 kg. by Animal treaty which they were applied along the midline dorsal from the cross to the base of the tail, in the treatment of

José Tang Ploog; Fabián Ruiz Herrera; Luis Rodríguez Izaguirre

421

El seguiment d’ocells nidificants com a eina per a l’elaboració de mapes d’ocells a Gran Bretanya: una avaluació preliminar dels resultats a dues escales espacials  

Microsoft Academic Search

Els avanços en l’aplicació de la geoestadística en els darrers anys han millorat la precisió en la predicció de la probabilitat d’aparició o abundància relativa a llocs no mostrejats i, per tant, han permès el desenvolupament del potencial necessari per a la producció de mapes fiables en tota l’àrea d’interès. En aquest treball s’avalua, a dues escales espacials, l’ús de

Stuart E. Newson; David G. Noble

2009-01-01

422

Efecte de la topografia en la variabilitat espacial del contingut de carboni total i d?òxids solubles de ferro i alumini a l?horitzó B del sòl a una catena forestal a Suècia  

Microsoft Academic Search

L'objecte d'aquest estudi és la variabilitat espacial i l'efecte de la topografia en un procés com és l'acumulació de sesquiòxids solubles de ferro i alumini juntament amb la matèria orgànica il·luviada a l'horitzó Bhs. La metodologia aplicada en l'estudi de la variabilitat espacial ha estat l'anàlisi geoestadística. Aquesta es va dur a terme a 96 mostres on es va valorar

Sara Bernia; Mats Olson; Johan Stendahl

2002-01-01

423

La Desercion Escolar en los Niveles de Sexto y Noveno Grado: Una Comparacion Entre Zonas Rurales y Urbanas. Boletin 219 (The Educational Desertion in the 6th and 9th Grades: A Comparison Between Rural and Urban Zones. Bulletin 219).  

ERIC Educational Resources Information Center

In 1962 and again in 1965, a group of sixth and ninth grade students in selected schools in four Puerto Rican communities were interviewed to investigate the factors influencing students' decision to withdraw from school before completing twelfth grade and to identify some characteristics of dropouts. Of 616 students interviewed in 1962, 20.9% of…

Lopez, Maria I. Hernandez; And Others

424

Receta para el Exito. Una Guia Actualizada para Padres sobre el Mejoramiento de las Escuelas de Colorado y Logros Estudiantiles (Recipe for Success: An Updated Parents' Guide to Improving Colorado Schools and Student Achievement).  

ERIC Educational Resources Information Center

|This Spanish language guide describes ways that parents can help improve student achievement and school quality. It answers such questions as: how to choose the right early-education opportunity for a preschooler; how to make sure a 5-year-old is ready for school; how to help a daughter do well in school; how to work with a daughter's or son's…

Taher, Bonnie; Durr, Pamela

425

EFICIENCIA DE USO Y DINÁMICA DEL NITRÓGENO EN UNA ROTACIÓN CON Y SIN USO DE RESIDUOS 1 Nitrogen use efficiency and dynamics in a rotation with and without use of residues 1  

Microsoft Academic Search

A B S T R A C T With the objective of studying N use efficiency and dynamics in a rotation with and without management of residues, a labeled-N ( 15 N) experiment was established, in a volcanic soil (Typic Melanoxerand), under irrigation. 15 N-labeled micro-plots were installed on a 4-year rotation. 15 N was applied only once, as labeled

Erick Zagal; Nicasio Rodríguez; Iván Vidal; Glenn Hofmann

2003-01-01

426

ADAPTACIÓN AL ESPACIO EUROPEO DE EDUCACIÓN SUPERIOR: EXPERIENCIA EN UNA ASIGNATURA DE RECURSOS ENERGÉTICOS ADAPTING THE TEACHING TO THE EUROPEAN SPACE FOR HIGHER EDUCATION: AN EXPERIENCE IN A ENERGY RESOURCES COURSE  

Microsoft Academic Search

This work deals with the results obtained in the ad aptation to the European Space for Higher Education of an Energy Resources course. This adaptation has been developed progressively in three consecutive academic years. In the first one, the teachers received suitable teaching training and they tried to increa se the student motivation, due to the very low ratio of

Javier Marugán; Rosalía Rodríguez

427

La determinación de la glucosa en ayunas y a las 2 horas posterior a una carga de 75 g de glucosa anhidra incrementa el diagnóstico de diabetes mellitus e intolerancia a la glucosa  

Microsoft Academic Search

Introduction: The oral glucose tolerance test is used worldwide to identify and classify patients with glucose intolerance. Although epide- miological studies have proved the test's utility, its use on a routine basis is questionable. It has been proposed that fasting determination could be omitted from OGTT, owing to the fact that it is meaningless in the interpretation of the test.

Israel Parra Ortega; Roberto A. Estrada Gómez; Alma B. Rodríguez Gallegos; María Olga Guzmán; Héctor García Alcalá

428

Linguistica matematica, statistica linguistica e linguistica applicata. Una nota storica sui lessici di frequenza e l'educazione linguistica (Mathematical Linguistics, Linguistic Statistics, and Applied Linguistics. An Historical Note on Word Frequencies and Linguistic Education)  

ERIC Educational Resources Information Center

|This article traces the history of several themes in applied linguistics and to show the relationships between linguistic theory and the sciences concerned with the learning and teaching of languages. Interest in word frequency statistics is discussed in particular. (Text is in Italian.) (CFM)|

Elia, Annibale

1977-01-01

429

Obtención de una fracción crotálida con actividad hemoaglutinante y evaluación in vivo e in vitro del probable daño a tejidos Purification of a hemagglutinant fraction from crotalid venom: in vitro and in vivo evaluation of cell damage  

Microsoft Academic Search

Some crotalid venoms have a hemagglutinant fraction with affinity to cell receptors. This can be used as an antiviral agent that blocks adsorption of the virus in the cell membrane. One of these fractions was isolated and its innocuity compared to the effect of complete venoms. A. piscivorus, A. contortix and C. scutulatus venoms were tested, with the first exhibiting

Arcelia Alvarado Islas; Octavio de Paz Villafána; Yolanda León Campos; Álvaro Aguilar Setién

430

DEGRADACIÓN MICROBIANA DE CIANURO PROCEDENTE DE PLANTAS DE BENEFICIO DE ORO MEDIANTE UNA CEPA NATIVA DE P.fluorecens MICROBIAL DEGRADATION OF CYANIDE FROM GOLD METALLURGICAL PLANTS UTILIZING P.fluorecens  

Microsoft Academic Search

Sodium cyanide is traditionally used in chemical me tallurgy to obtain preciousus metals (gold and silver). Cyanide produces damages because of it s toxicity and breath cell inhibition. Here we try a biotechnological process to degrade cyanide with P. fluorescens obtained by cyanide heap leaching process in gold metallurgy in Segovia, Colombia. In Colombia cyanide heap leaching process in gold

OSCAR JAIME RESTREPO; CARLOS ARTURO MONTOYA; NURY ALEXANDRA MUÑOZ

2006-01-01

431

"Una Communita" Poco Nota della Communicazione non Verbale: Come Communicano il Direttore e l'Orchestra (A Little Known "Community" of Nonverbal Communication: How the Conductor and Orchestra Communicate).  

ERIC Educational Resources Information Center

Examines how conductors and orchestras communicate. Communication is essentially nonverbal. Conductors use gestures, gaze, facial expression, nods and posture to deliver their message. Norbert Weiner's Cybernetic Theory of human communication is seen as a means of analyzing precisely how this musical communication takes place. (16 references) (LET)

Leonardi, Magda Farago

1992-01-01

432

COMPOSICIÓN QUÍMICA del PASTO AGUJA (brachiaria humidìcola) SOMETIDA A PASTOREO EN UNA FINCA DEL MUNICIPIO GUANARE ESTADO PORTUGUESA Chemical composition of Brachiaria humidicola grazed into a farm in Guanare, Portuguesa state, Venezuela  

Microsoft Academic Search

In order to evaluate the chemical composition of Brachiaria humidicola in a farm of Guanare, Portuguesa state, eight samples were taken monthly by means of metallic frame (0.5 x 0.5), and dried off at 60 ºC during 48 h, for dry matter estimation. Each sample was divided in two components: (PI) the plant as a whole, (H) just leaves. Proximal

Adelis Arias; Helber Hernández

2002-01-01

433

On the Monetary Analysis of an Open Economy (Analyse monétaire d'une économie ouverte) (Del análisis monetario de una economía abierta)  

Microsoft Academic Search

Recent institutional developments in developed economies have led to increasingly competitive money markets that are dominated by price rather than quantity adjustment. In this situation, monetary aggregates, monetary interest rates, and the exchange rate are jointly determined. But, if an interest rate on money balances is simply introduced into a standard asset-market model of monetary equilibrium, it then appears that

Charles Collyns

1983-01-01

434

Economic Issues on Nanotechnology: An International Comparison and Results From Economic And Econometric Analysis - Questioni economiche sulle nanotecnologie: un confronto internazionale e risultati da una analisi economica ed econometrica  

Microsoft Academic Search

The aim of this paper is to survey the current inventive activities in nanotechnology (NT) based on the analysis of patent application to the European Patent Office. The current status of NT around the world, the increase in NT patent over the last 10 years will be discussed together with a critical analysis on the effect on NT on work,

Amedeo Amato; Virginia Dagostino

2011-01-01

435

El Instituto de Nutrici?n de Centro Am?rica y Panam?: Servicios de Informaci?n Cient?fica en Una Regi?n en V?a de Desarrollo *  

PubMed Central

Pioneering scientific information in underdeveloped areas poses several problems, such as (1) lack of understanding on the part of key functionaries as to the why, what, and when of information services; (2) lack of trained personnel to assume the responsibility for such services; (3) lack of economic resources; and (4) lack of information pertaining to available bibliographical sources in the particular area or region. The Bibliographic and Documentation Service of the Institute of Nutrition of Central America and Panama (INCAP) provides, in addition to the customary services, technical assistance for the organization or reorganization of biomedical libraries and makes INCAP library materials available to member countries, either by loan or photocopy. Although the program was designed for the member countries, INCAP tries to make its services available to other Latin American nations, Africa, and Asia, where similar nutritional problems are being studied.

Flores, Raquel; Corado, Adelina; Giron, Arturo

1964-01-01

436

Estimacion de las externalidades de una central termica de carbon en los ecosistemas forestales del area de Valdecaballeros. (Externalities assessment of a coal power plant in the forest ecosystems in Valdecaballeros area).  

National Technical Information Service (NTIS)

The book is divided in two parts. The first one analyzes the critical load and level concepts, and the methodological framework for Environmental Impact Statement (E.L.S.). In line with this, critical loads and levels represent the system vulnerability an...

P. Laforga B. Planas

1995-01-01

437

Ayudando a los Ninos a Amarse a Si Mismos y a Otros: Una guia profesional para el cuidado infantil en el hogar (Helping Children Love Themselves and Others: A Professional Handbook for Family Day Care).  

ERIC Educational Resources Information Center

|This Spanish-language guide presents an anti-bias, multicultural approach to family day care. Part A provides a rationale for such an approach. Subsections of this part concern: (1) family day care as a site for the transmission of bias; (2) characteristics of an anti-bias, multicultural approach; (3) language and stereotypes; (4) developmental…

Gellert, Sandra; And Others

438

Transdiferenciación de células mesenquimales del tejido adiposo: hacia una terapia celular para enfermedades degenerativas de la retina Transdifferentation of mesenchymal stem cells from adipose tissue: Through a cellular therapy for degenerative retinal diseases  

Microsoft Academic Search

Objectives: To obtain adult mesenchymal stem cells from adipose tissue to be used in cellular therapies aimed to retinal regeneration. Material and Methods: isolation of adult mesenchymal stem cells from adipose tissue of green fluorescent pro- tein transgenic mice. Recipient mouse eyes were transplanted with these cells by using intravitreal and subreti- nal procedures. We have used a mice model

Marcos S; Jaén A; González D; Andreu S; Avilés M; Fernández E

439

Efectos genéticos directos y maternos del peso al destete en una población de ganado Cebú de Cuba Direct and maternal genetic effects for weaning weight in a Zebu beef cattle population in Cuba  

Microsoft Academic Search

Genetic parameters for weaning weight were estimated in a Zebu beef cattle population in Camagüey province, Cuba. Data for 20,151 calves born between 1988 and 2006 were used in six variants of the statistical animal model. Contemporary groups (year- herd-season-sex) were used as a common fixed effect, and a weaning age linear regression and dam age linear and quadratic regressions

Alejandro Palacios-Espinosa; José Luis Espinoza-Villavicencio; Danilo Guerra-Iglesias

2010-01-01

440

Profilo di tollerabilità del methotrexate nell'artrite reumatoide: analisi retrospettiva su una coorte di pazienti ambulatoriali* Safety of methotrexate in rheumatoid arthritis: a retrospective cohort study in clinical practice  

Microsoft Academic Search

SUMMARY Objective. To evaluate the treatment duration with MTX monotherapy or in association with DMARDs or anti TNF? inhibitors and the incidence and typology of adverse events (AE) occurred in rheumatoid arthritis (RA) patients. Methods. A retrospective large cohort study of RA outpatients, consecutively seen from January 2000 to June 2005 was performed. Study group were RA patients classified according

G. La Montagna; R. Tirri; R. Vitiello; D. Malesci; R. Buono; G. Mennillo; G. Valentini

441

«Amigos con derecho a roce»: una oportunidad para contraer la infección por el virus de la inmunodeficiencia humana en hombres homo\\/bixesuales con prácticas sexuales de alto riesgo  

Microsoft Academic Search

ObjectiveDespite prevention efforts, the prevalence of unprotected anal intercourse (UAI) remains substantial among men who have sex with men (MSM). This study describes and analyzes how a group of MSM manages sexual risk with sexual partners.

Percy Fernández-Dávila

2007-01-01

442

B P C O,PATOLOGIA POLMONARE E SISTEMICA:E F F I C ACIA DOSE DIPENDENTE DELLA N-ACETILCISTEINA SULL' E VOLUZIONE DELLA MALAT T I A. Studio clinico controllato su una popolazione di sesso femminile  

Microsoft Academic Search

The Authors evaluated the efficacy of N-Acetyl cysteine (NAC) at a dosage of 1200 mg on re s p i r a t o ry functionality parameters, v i s c o s i m e t ry of the expectoration and systemic ox i d a t i ve carico versus NAC 600 mg, making re f e rence

Roberto Cogo; Alessandro Ramponi; Tiziano Motta

443

Studio Della Risposta di Una Cristal Ball di Nai(Ti) Per Esperimenti Con Ioni Pesanti (Study of the Response of a Crystal Ball Made of Nai(Ti) for Heavy Ions Experiments).  

National Technical Information Service (NTIS)

Angular correlation measurements and gamma decay multiplicity observations allow information on the angular momentum of the excited nucleii to be obtained. The characteristics of an experimental detector sphere built with 112 NaI(TI) crystals in a spheric...

R. Marcovaldi

1990-01-01

444

LA RELACIÓN ENTRE LA ESTRUCTURA FINANCIERA Y LA ESTRATEGIA COMPETITIVA DE LA EMPRESA DESDE EL PUNTO DE VISTA DEL CONTROL DEL RIESGO: UNA MENCIÓN ESPECIAL A LA ESTRATEGIA DE DIFERENCIACIÓN  

Microsoft Academic Search

The current situation of the environment makes the company continually look for com- petitive advantages from their own resources and capabilities. In this sense, the aim of this paper is to analyse the Financial Policy of the firm as possible source of lasting competitive ad- vantages, taking into account that this policy is a first rate strategic tool to control

JESÚS VÁZQUEZ ABAD

2002-01-01

445

Fields without Borders: An Anthology of Documentary Writing and Photography by Student Action with Farmworkers' Interns = Campos sin Fronteras: Una Antologia de Obras Escritas y Fotografia por Estudiantes Internos de Accion Estudiantil con Trabajadores Agricolas.  

ERIC Educational Resources Information Center

|In this booklet, essays and poems, presented both in English and in Spanish, portray the feelings, conditions, and economic plight of migrant and seasonal farmworkers in North and South Carolina, often in their own words. A preface describes Student Action with Farmworkers summer internships in which college students spend 10 weeks working with…

Manly, Libby, Ed.; Okie, Alejandra, Ed.; Wiggins, Melinda, Ed.

446

Grape by-products: extraction of polyphenolic compounds using supercritical CO2 and liquid organic solvent – a preliminary investigation Subproductos de la uva: extracción de compuestos polifenólicos usando CO2 supercrítico y disolventes orgánicos líquidos – una investigación preliminar  

Microsoft Academic Search

This research focussed on the exploitation of grape by-products as a source of polyphenolic compounds, which are of interest to the food, pharmaceutical and cosmetic industries. In particular, two substrates were tested: Pinot Noir grape skins and grape seeds. Pinot Noir grape skins were extracted by supercritical CO2 added with ethanol as modifier at constant temperature (45 °C) and at variable

L. Fiori; D. de Faveri; A. A. Casazza; P. Perego

2009-01-01

447

Evaluación Antihelmíntica, contra Trematodos (Fasciola hepatica) y Ectoparásitos (Boophilus microplus) de una Solución Inyectable de Ivermectina al 1% de larga acción asociada con Clorsulon (Bovimec® F) * en Vacunos de Engorde Intensivo  

Microsoft Academic Search

Eleven (11) bovines from Chiclayo city (Peru) were kept in a beef cattle farm under intensive rising and their parasitic burden was assessed by coproparasitologic tests performing egg counts. The animals were injected with a 1% Ivermectin + 10% Clorsulon injectable solution (Bovimec® F) in a dose of 200 ?g \\/ kg b.w. of Ivermectin and 2 mg \\/ kg

José Fernando Tang Ploog

448

VIGOTSKY Y FREIRE DIALOGAN A TRAVÉS DE LOS PARTICIPANTES DE UNA COMUNIDAD VIRTUAL LATINOAMERICANA DE CONVIVENCIA ESCOLAR THE DIALOGUE OF VIGOTSKY AND FREIRE TROUGH THE PARTICIPANTS IN A LATINOAMERICAN VIRTUAL COMMUNITY OF SCHOOL \\  

Microsoft Academic Search

Palabras claves: EDUCACIÓN, CONVIVENCIA ESCOLAR, DIÁLOGO CRÍTICO, CONCIENCIA, CAMBIO. Abstract: This article expounds an on-line experience formed by different Latin American participants during the module \\

Célica Esther Cánovas Marmo; Josefina Noriega Martínez; Victoria Vidergas Birk

449

Por Que Rosa No Es Valiente? Cuarto Modulo de una Serie para Maestros de Escuela Elemental (Why Isn't Rosie Brave? Fourth Module of a Series for Elementary School Teachers).  

ERIC Educational Resources Information Center

This guide in English and Spanish provides teachers with methods for identifying textbook bias and stereotyping. A pre-test and post-test designed to measure awareness of textbook stereotypes are included. Four object lessons discuss the function of repetition, cumulative effect, omission, and distortion in reinforcing stereotypes, especially…

Molina, Carmen Eneida, Ed.; And Others

450

Dona Ana No Esta Aqui. Sexto Modulo de una Serie para Maestros de Escuela Elemental (Dona Ana Isn't Here. Sixth Module of a Series for Elementary School Teachers).  

ERIC Educational Resources Information Center

This guide in English and Spanish examines the roles assigned to women in social studies textbooks and the omission of women from history books. It analyzes the topics, textbooks, pictures, and narrations in use, and offers alternatives to these biased materials. A pre-test and post-test are included to measure the user's awareness of textbook…

Molina, Carmen Eneida, Ed.; And Others

451

n´ õas transnacionales como CANON, KODAK y NYKON, entre otras, las cuales mencionan una gran cantidad de proyectos en los que planean construir y evaluar c´ amaras digitales, proyectores de cristal l´ õquido y otros equipos formadores de imagen, todo ello mediante el empleo de EOD. Bajo el contexto anterior se plantea en este art´ õculo hacer una revision de los fundamentos en los que se basa la ´ optica difractiva, los metodos que se utilizan para disenar los sistemasopticos empleando  

Microsoft Academic Search

Nowadays diffractive optics in the fabrication of imaging optical systems is having a boom due to many advantages over the image quality and the use of less optical elements. Diffractive Optical Elements (DOE's) are showing a huge growth in the optical industry and it goes in increasing day to day. Transnational companies like CANON, KODAK and NYON refer to great

J. Castro-Ramos; S. Vazquez-Montiel; J. Hern; O. Garc ´ õa-Lievanos; W. Calleja-Arriaga

452

Groundwater flow and solute transport at the Mourquong saline-water disposal basin, Murray Basin, southeastern Australia  

NASA Astrophysics Data System (ADS)

Saline groundwater and drainage effluent from irrigation are commonly stored in some 200 natural and artificial saline-water disposal basins throughout the Murray-Darling Basin of Australia. Their impact on underlying aquifers and the River Murray, one of Australia's major water supplies, is of serious concern. In one such scheme, saline groundwater is pumped into Lake Mourquong, a natural groundwater discharge complex. The disposal basin is hydrodynamically restricted by low-permeability lacustrine clays, but there are vulnerable areas in the southeast where the clay is apparently missing. The extent of vertical and lateral leakage of basin brines and the processes controlling their migration are examined using (1) analyses of chloride and stable isotopes of water (2H/1H and 18O/16O) to infer mixing between regional groundwater and lake water, and (2) the variable-density groundwater flow and solute-transport code SUTRA. Hydrochemical results indicate that evaporated disposal water has moved at least 100 m in an easterly direction and that there is negligible movement of brines in a southerly direction towards the River Murray. The model is used to consider various management scenarios. Salt-load movement to the River Murray was highest in a "worst-case" scenario with irrigation employed between the basin and the River Murray. Present-day operating conditions lead to little, if any, direct movement of brine from the basin into the river. Résumé. Les eaux souterraines salées et les effluents de drainage de l'irrigation sont stockés dans environ 200 bassins naturels ou artificiels destinés à retenir les eaux salines dans tout le bassin de Murray-Darling, en Australie. Leur impact sur les aquifères sous-jacents et sur la rivière Murray, l'une des principales ressources en eau d'Australie, constitue un problème grave. Dans une telle situation, les eaux souterraines salines sont pompées dans le lac Mourquong, complexe dans lequel les nappes se déchargent naturellement. Le bassin de stockage est isolé hydrodynamiquement par des argiles lacustres de faible perméabilité, mais il existe des zones vulnérables au sud-est, là où les argiles sont apparemment absentes. L'importance des fuites verticales et latérales des saumures du bassin et les processus contrôlant leur migration ont été étudiés au moyen (1) d'analyses de chlorures et des isotopes stables de l'eau (2H/1H et 18O/16O) pour définir le mélange entre les eaux souterraines régionales et l'eau du lac, et (2) du code SUTRA d'écoulement souterrain et de transport de soluté d'eaux de densités variables. Les résultats hydrochimiques indiquent que l'eau de stockage évaporée s'est introduite d'au moins 100 m vers l'est et qu'il existe un écoulement négligeable de saumures vers le sud, en direction de la rivière Murray. Le modèle permet de considérer différents scénarios de gestion. L'écoulement des eaux salées vers la rivière Murray était le scénario le pire du fait de l'irrigation qui est appliquée entre le bassin de stockage et la rivière Murray. Les conditions actuelles de fonctionnement produisent un écoulement direct faible, sinon nul, des saumures du bassin vers la rivière. Resumen. Las aguas subterráneas salinas y los retornos de riego se almacenan habitualmente en unas 200 balsas naturales y artificiales de deshechos, situadas a lo largo de la Cuenca de los ríos Murray-Darling (Australia). Su impacto en los acuíferos y en el propio río Murray, que actúa como una de las fuentes principales de abastecimiento de agua en Australia, es un asunto preocupante. En uno de estos lugares, las aguas subterráneas salinizadas son bombeadas al lago Mourquong, que es un complejo natural de descarga del acuífero. La balsa de eliminación está revestida con arcillas lacustres de baja permeabilidad, pero hay áreas vulnerables hacia el sudeste, donde parece no haber arcilla. Se examina el alcance de la precolación vertical y lateral de las salmueras contenidas en la balsa y de los procesos que controlan su migración por me

Simmons, Craig; Narayan, Kumar; Woods, Juliette; Herczeg, Andrew

2002-03-01

453

Source of paleo-groundwater in the Emirate of Abu Dhabi, United Arab Emirates: evidence from unusual oxygen and deuterium isotope data  

NASA Astrophysics Data System (ADS)

Paleo-groundwaters of 6000 years BP from the Liwa water-table sand dune aquifer in the Rub al Khali and the Gachsaran artesian carbonate aquifer, on the coast of the Emirate of Abu Dhabi (UAE), exhibit normal ?2H/?18O slopes, modest ?18O increases, and large negative deuterium excess “d” (Liwa aquifer: 2.19‰ VSMOW and d = -15; Gachsaran aquifer: 3.16‰ VSMOW and d = -28) compared to local Shamal precipitation (0.05‰ VSMOW and d = 7). This unusual isotopic signature is hypothesized to result from re-evaporation of continental runoff to the Red Sea catchment basin. It is postulated that this continental water flowed onto the surface of the Indian Ocean providing a moisture source for the monsoon that dominated precipitation during this, the last wet period in the area from 5000 to 9000 BP. Carbonate precipitation, forming speleothems, travertines, tufas, lacustrine, and capillary-zone deposits, subsequently record this ?18O isotopic signature. This rock record is thus dominated by the water source, rather than environmental conditions of deposition normally assumed to control the rock ?18O isotopic signature. As a consequence, re-evaluation of paleo-climate?18O data from the rock record may be necessary for this time period in southern Arabia. Les eaux souterraines anciennes, âgées de 6000 ans BP, provenant de l’aquifère sableux dunaire à surface libre de Liwa dans le Rub al Khali et de l’aquifère carbonaté artésien de Gachsaran sur la côte de l’émirat d’Abou Dabi (EAU), montrent une droite météorique similaire, une augmentation modérée du ?18O et un excès en deutérium « d » très faible (aquifère de Liwa : 2.19 ?18O‰ VSMOW et d = -15 ; aquifère Gachsaran : 3.16 ?18O‰ VSMOW et d = -28) par rapport aux précipitations de Shamal (0.05 ?18O‰VSMOW et d = 7). Cette signature isotopique singulière est susceptible de résulter de processus de ré-évaporation d’eaux de ruissellement continentales circulant en direction du bassin versant de la Mer Rouge. Ces eaux continentales circulent ainsi à la surface de l’Océan Indien et fournissent une source d’humidité à la mousson, processus dominant des précipitations dans cette région, pendant la dernière période humide, de 5000 à 9000 BP. La précipitation des carbonates, la formation des spéléothèmes, des travertins, des tufs et les dépôts lacustres et de zone capillaire ont enregistré cette signature isotopique en ?18O. Cet enregistrement sédimentaire est alors plus conditionné par l’origine de l’eau que par les paramètres environnementaux de dépôt habituellement supposés contrôler la signature isotopique en ?18O des roches. En conséquence, une réévaluation des données paléoclimatiques en ?18O d’origine rocheuse pourrait être nécessaire pour cette période en Arabie du sud. Las aguas subterráneas fósiles de 6000 años AP de la capa freática del acuífero de dunas arenosas de Liwa en el Rub al Khali y en el acuífero carbonático artesiano de Gashsaran, sobre la costa del Emirato de Abu Dhabi (UAE), presentan pendientes normales de ?2H/?18O, modestos incrementos de 18O, y grandes excesos de deuterio negativo “d” (acuífero Liwa: 2.19‰ VSMOW y d = -15; acuífero Gachsaran: 3.16‰ VSMOW y d = -28) comparado con la precipitación local de Shamal (0.05‰ VSMOW y d = 7). Esta inusual señal isotópica se supone ser el resultado de la reevaporación del escurrimiento superficial continental a la cuenca de drenaje del Mar Rojo. Se postula que esta agua continental fluyó sobre la superficie del océano Indico proveyendo una fuente de humedad para el monzón que dominó la precipitación durante este, el último período húmedo en el área de 5000 a 9000 AP. La precipitación carbonática formando espeleotemas, travertinos, tufas, lagunas, y depósitos en la zona capilar, delata subsecuentemente esta señal del isótopo de ?18O. Este registro de rocas está así dominado por la fuente de agua más que por las condiciones ambientales o la deposición que normalmente se supone que cont

Wood, Warren W.

2010-07-01

454

Great tritium ages explain the occurrence of good-quality groundwater in a phreatic aquifer of an urban area, Lublin, Poland  

NASA Astrophysics Data System (ADS)

The phreatic aquifer of the Lublin chalk in the watershed of the Bystrzyca River, eastern Poland, is characterized by waters of good quality. Its hydraulic conductivity is related to a fissure network of low porosity, as much as 0.006 at the outcrops. The good quality of water in this urban setting is surprising because, according to estimates based on Darcy's law, a high seepage velocity would be expected, resulting in rapid transport of pollutants in the aquifer. However, tritium sampling reveals that the mean ages range from about 55 to 92 years in four cases, and about 250 to 350 years in 11 cases. One sampling site is free of tritium, which indicates an even greater age. Such great ages can be explained only by a retardation of solute transport due to matrix diffusion, that is, an exchange between mobile water in the fissures of low porosity and stagnant water in the matrix of high porosity. The delay factor is given as the ratio of total porosity to fissure porosity. In consequence, all types of dissolved constituents and, to some degree, fine suspended matter are delayed in their transport to springs and wells. In addition, non-conservative constituents have longer times to sorb, react, and decay than in the case of transport without a dominant influence of matrix diffusion. Though pollutants are greatly delayed, their accumulation in the matrix and slow diffusion into the fissures contribute to their persistence in groundwater. Regional values of hydraulic conductivity, estimated from tritium ages and known matrix porosity, agree reasonably well with the values known from pumping tests, which supports the interpretation of a dominant influence of matrix diffusion on solute transport. Résumé. La nappe phréatique dans la craie de Lublin, dans le bassin de la rivière Bystrzyca (Pologne orientale), est caractérisée par des eaux de bonne qualité. Sa conductivité hydraulique est liée à un réseau de fissures de faible porosité, aussi haut que 0.006 à l'affleurement. La bonne qualité de l'eau dans cet environnement urbain est surprenant parce que, d'après des estimations basées sur la loi de Darcy, la vitesse d'infiltration devrait être rapide, entraînant un transport de polluants dans l'aquifère. Cependant, les teneurs en tritium des eaux prélevées montrent que les âges moyens sont compris entre environ 55 et 92 ans dans quatre cas, et 250 et 350 ans dans 11 cas. L'un des sites échantillonnés ne possède pas de tritium, ce qui indique un âge encore plus grand. Des âges aussi anciens ne peuvent être expliqués que par un retard du transport de soluté du fait de la diffusion dans la matrice, c'est-à-dire, du fait d'un échange entre l'eau mobile des fissures à faible porosité et l'eau immobile de la matrice à forte porosité. Le facteur de retard est donné par le rapport entre la porosité totale et la porosité fissurale. Par conséquent, tous les types de substances dissoutes et, dans une certaine mesure, les matières fines en suspension sont retardés au cours de leur transport vers les sources et les puits. De plus, les constituants non conservatifs disposent pour leur sorption, leur réaction et leur dégradation d'un temps plus long que dans le cas d'un transport sans influence prédominante de la diffusion matricielle. Bien que les polluants soient fortement retardés, leur accumulation dans la matrice et leur lente diffusion vers les fissures contribuent à leur persistance dans la nappe. Les valeurs régionales de conductivité hydraulique, estimées à partir des âges tritium et de la porosité matricielle, concordent assez bien avec les valeurs fournies par les essais de pompage, ce qui conforte l'interprétation d'une influence prédominante de la diffusion matricielle au cours du transport de soluté. Resumen. El acuífero freático de las cretas de Lublin, en la cuenca del río Bystrzyca (este de Polonia) se caracteriza por tener agua de buena calidad. Su conductividad hidráulica está relacionada con una red de fracturas de baja porosidad, con un máximo de 0.006 en super

Zuber, A.; Michalczyk, Z.; Maloszewski, P.

2001-09-01

455

Movement of water through the thick unsaturated zone underlying Oro Grande and Sheep Creek Washes in the western Mojave Desert, USA  

NASA Astrophysics Data System (ADS)

Previous studies indicate that a small quantity of recharge occurs from infiltration of streamflow in intermittent streams in the upper Mojave River basin, in the western Mojave Desert, near Victorville, California. Chloride, tritium, and stable isotope data collected in the unsaturated zone between 1994 and 1998 from boreholes drilled in Oro Grande and Sheep Creek Washes indicate that infiltration of streamflow occurs to depths below the root zone, and presumably to the water table, along much of Oro Grande Wash and near the mountain front along Sheep Creek Wash. Differences in infiltration at sites along each wash are the result of hydrologic variables such as proximity to the mountain front, quantity of streamflow, and texture of the subsurface deposits. Differences in infiltration between the washes are the result of large-scale geomorphic processes. For example, Oro Grande wash is incised into the Victorville fan and infiltration has occurred at approximately the same location over recent geologic time. In contrast, Sheep Creek Wash overlies an active alluvial fan and the stream channel can move across the fan surface through time. Infiltration does not occur to depths below the root zone at control sites outside of the washes. Résumé. Des études précédentes indiquent qu'une faible part de la recharge est assurée par l'infiltration d'écoulement de surface dans des cours temporaires du bassin supérieur de la rivière Mojave, dans la partie occidentale du désert Mojave, près de Victorville (Californie). Des données portant sur les chlorures, le tritium et les isotopes stables, recueillies dans la zone non saturée entre 1994 et 1998 grâce à des forages réalisés dans les fonds de vallées d'Oro Grande et de Sheep Creek, montrent que l'infiltration des écoulement de surface se produit en profondeur sous la zone racinaire, et probablement jusqu'à la nappe, le long de la plus grande partie du cours de l'Oro Grande et au pied des montagnes le long de celui de Sheep Creek. Des différences dans l'infiltration aux sites le long de chacun des fonds de vallée sont la conséquence de variables hydrologiques comme la proximité du pied des montagnes, la quantité d'écoulement de surface et la texture des dépôts. Des différences dans l'infiltration entre les fonds de vallée résultent de processus géomorphologiques à grande échelle. Par exemple, le vallon de l'Oro Grande entaille le cône de déjection de Victorville et l'infiltration s'est toujours produite à peu près au même endroit lors des époques géologiques récentes. Au contraire, le fonds de la vallée de Sheep Creek passe sur un cône alluvial actif et le lit du cours d'eau peut divaguer à la surface du cône au cours du temps. L'infiltration ne se produit pas en profondeur sous la zone racinaire dans les sites hors des fonds de vallée. Resumen. Estudios previos indican que hay una pequeña contribución a la recarga por infiltración de aguas superficiales en cauces intermitentes de la cuenca del Río Mojave, en el sector occidental del Desierto de Mojave, cerca de Victorville (California, Estados Unidos de América). Los datos de cloruros, tritio e isótopos estables en la zona no saturada, registrados en sondeos perforados en los torrentes Oro Grande y Sheep Creek entre 1994 y 1998, indican que dicha infiltración tiene lugar hasta profundidades superiores a la zona radicular y, presumiblemente, hasta el nivel freático. Esto acontece en gran parte del Oro Grande Wash y cerca del frente montañoso, a lo largo del Sheep Creek Wash. Las diferencias en la infiltración en puntos de cada torrente resultan de variables hidrológicas tales como la proximidad al frente montañoso, el caudal en los cauces y la textura de los depósitos subsuperficiales. Las diferencias en la infiltración entre ambos torrentes son causadas por procesos geomórficos de gran escala. Por ejemplo, el Oro Grande Wash está encajado en el abanico de Victorville, de modo que la infiltración se ha estado produciendo en aproximadamente el mismo punto durante las époc

Izbicki, John; Radyk, John; Michel, Robert

2002-04-01

456

DEPRESIÓN EN NIÑOS Y ADOLESCENTES: INFORMACIÓN PARA PADRES Y EDUCADORES DEPRESSION IN CHILDREN AND ADOLESCENTS: A PRIMER FOR PARENTS AND EDUCATORS  

Microsoft Academic Search

La depresión es un problema serio de salud que puede afectar a personas de todas las edades, incluyendo a niños y adolescentes. Generalmente se define como una experiencia en la que persiste una disposición de ánimo triste o irritable, así como también anhedonia, una pérdida de la habilidad de experimentar placer en casi todas las actividades. Incluye también una gama

457

Efficacia del trattamento infiltrativo con acido ialuronico nella tendinopatia degenerativa dell'achilleo  

Microsoft Academic Search

Nella tendinopatia achillea rientrano una serie di patologie che coinvolgono il tendine d'Achille; sono frequenti negli sportivi ma possono insorgere anche in soggetti sedentari, favorite da un sempli- ce aumento ponderale. Al momento della diagnosi riabilitativa il medico può riscontrare fondamentalmente tre alterazioni patologi- che: una peritendinite, una entesite o una tendinosi, si presentano spesso associate tra di loro dando

A. ROCCO; G. TANCREDI; C. FOTI

458

Desarrollos recientes en los instrumentos para integrar la RSE a las operatorias de las empresas  

Microsoft Academic Search

El tema de la responsabilidad social empresaria (RSE) ha ido adquiriendo en los últimos años una impensada difusión en el mundo corporativo que, de alguna manera parecería estar vinculado con una generalizada aceptación de una concepción de una responsabilidad corporativa ampliada hacia los llamados stakeholders. A fin de poder evaluar los reales alcances que hoy tiene la RSE en el

Luisa Montuschi

2010-01-01

459

Science, nature, and tradition: the mass-marketing of natural medicine in urban Ecuador.  

PubMed

In the past 15 years, "natural" medicine has become increasingly popular in the southern Ecuadoran city of Cuenca. Natural medicine products, which are distinct from traditional herbal remedies, are commercially packaged and processed and sold in a number of retail outlets in the central shopping district. This article discusses the results of field research to determine the client base of natural medicine and the reasons for its growing popularity among the poorer classes in Ecuador. Using an interpretative framework that posits that medical products carry symbolic messages, I discuss the ways in which important themes of modern life in Ecuador are played out in the packaging and marketing of these products. This research supports the growing body of literature that argues against a medical-systems approach to analyzing medical plurality by highlighting the multiple ideologies found in Ecuadoran beliefs about commercial natural medicine. PMID:9627923

Miles, A

1998-06-01

460

[New model of accumulation and agro-business: the ecological and epidemiological implications of the Ecuadorian cut flower production].  

PubMed

The article refers to the results of an integrative research project that aim to analyze ecosystem and human health's impacts of cut flower production in Cuencas del Rio Grande region (Cayambe and Tabacundo zones). In order to assess the complex object of study and its multiple dimensions, an interdisciplinary approach has been constructed, based on the following components: a) pesticides dynamics analysis; b) pesticides distribution and commercialization processes in the region; c) economic and anthropological transformation determinate by the flower production; d) epidemiological process of human health impacts; e) and the design of participatory, multicultural and integrative information. The research consolidated an important geo-codified data base on the impacts of cut flower production to workers, communities, aquatic systems and soils, offering evidences of the actual flower production system severe impacts and leading to a reflection about the sustainability of the productive systems and the future of the ecosystems. PMID:17680061

Breilh, Jaime

461

Environmental NGOs in Ecuador: an economic analysis of institutional change.  

PubMed

Nongovernmental organizations (NGOs) in Latin America have grown more rapidly than has our understanding of the economic and political implications of this major institutional change. In Ecuador, between 1984 and late 1992, at least 24 new environmental NGOs emerged. An economist does a case study of them, especially Fundacion Natura (FN) in Ecuador, to understand their role and behavior which are a large part of environmental politics in Latin America. NGOs are successful because the public sector cannot meet the countries' needs and donors want to help NGOs, thereby providing the demand. For example, FN has received funding from USAID, World Wildlife Fund, the International Union for the Conservation of Nature, and other groups. FN charges donors 15% to cover administrative costs while many other NGOs do not receive international funding for administrative costs. FN is well connected with the public sector which is supportive and beneficial. FN activities complement the public sector's efforts in the environment. Further, it is well connected with private industry from whom it receives financial support. It has been criticized for supporting industry on some environmental issues, however. In fact, its Cuenca chapter split from FN in 1984 to form Tierra Viva, because FN sided with industry when industry wanted to build on agricultural land in Cuenca. FN's relationship with USAID is strained. FN is successful because it employs quality personnel who are committed to FN objectives. Yet FN and other NGOs do not have the monetary incentives for efficient production. Most other NGOs are financially strapped and depend on volunteers. The more radical environmental NGOs do not accept donations from the private sector and do not want to work with government. Despite the influence donors have on NGOs, the NGOs' powerful presence and their environmental education programs have consequences beyond donor control (e.g., FN and USAID). PMID:12286336

Meyer, C A

1993-01-01

462

Uncertainty in radar-rainfall composite and its impact on hydrologic prediction for the eastern Iowa flood of 2008  

NASA Astrophysics Data System (ADS)

This study addresses a significant potential source of error that exists in radar-rainfall maps that are combined using data from multiple WSR-88D radars of the Next Generation Radar (NEXRAD) national network in the United States. This error stems from different radar calibration offsets that create a border within discontinuous rainfall fields at the equidistance zone among radars. The discontinuity in rainfall fields could lead to misestimation of rainfall over basins and subsequently, to significant errors in streamflow predictions through a hydrologic model. In this study, we produce enhanced radar-rainfall estimates (HN3) based on a novel approach that allows us to reduce the effects of the relative radar calibration bias. We use the relative bias information previously presented in a radar reflectivity comparison study. To investigate the effects of the relative bias adjustment, we evaluate the HN3 and Stage IV radar-rainfall by comparing them with rain gauge data and analyzing their ability to simulate streamflow for an extreme flood case. While the HN3 estimates are statistically comparable to the Stage IV estimates in the rain gauge data comparison, the borderline that identifies discontinuous rainfall fields disappears in the HN3 estimates. We performed hydrological simulations using a physically based, data-intensive, calibration-free, hillslope-link hydrologic model called CUENCAS and demonstrated CUENCAS's ability to accurately simulate flows by comparing results with observed and predicted streamflow generated by the Sacramento (SAC) model. SAC is the operational flood forecast model that has been used by the National Weather Service since 1969, and it was extensively calibrated based on historical data. The simulation results show that the adjustment improves streamflow predictions in the regions where the misestimation of rainfall quantity is considerable. We conclude that systematic error arising from different calibration offsets in rainfall fields can significantly affect hydrologic predictions.

Seo, Bong-Chul; Cunha, Luciana K.; Krajewski, Witold F.

2013-05-01

463

Community embedded reproductive health interventions for adolescents in Latin America: development and evaluation of a complex multi-centre intervention  

PubMed Central

Background Adolescents in Latin America are at high risk for unwanted and unplanned pregnancies, which often result in unsafe abortions or poor maternal health outcomes. Both young men and women in the region face an increased risk of sexually transmitted infections due to inadequate sexual and reproductive health information, services and counselling. To date, many adolescent health programmes have targeted a single determinant of sexual and reproductive health. However, recent evidence suggests that the complexity of sexual and reproductive health issues demands an equally multi-layered and comprehensive approach. Methods This article describes the development, implementation and evaluation design of the community-embedded reproductive health care for adolescents (CERCA) study in three Latin American cities: Cochabamba (Bolivia), Cuenca (Ecuador) and Managua (Nicaragua). Project CERCA’s research methodology builds on existing methodological frameworks, namely: action research, community based participatory research and intervention-mapping. The interventions in each country address distinct target groups (adolescents, parents, local authorities and health providers) and seek improvement of the following sexual health behaviours: communication about sexuality, sexual and reproductive health information-seeking, access to sexual and reproductive health care and safe sexual relationships. In Managua, we implemented a randomised controlled study, and in Cochabamba and Cuenca we adopted a non-randomised controlled study to evaluate the effectiveness of Project CERCA interventions, in addition to a process evaluation. Discussion This research will result in a methodological framework that will contribute to the improved design and implementation of future adolescent sexual and reproductive health interventions. Trial registration ClinicalTrials.gov (NCT01722084)

2013-01-01

464

Metodo analitico para la determinacion de ''241 Am en muestras biologicas y sedimentos marinos mediante uso de una columna con extractante organico. (A radiochemical procedure for a low-level measurement of ''241 Am in environmental samples using a supported functional organo phosphorus extractant).  

National Technical Information Service (NTIS)

The transuranides analysis in environmental samples is carried out by CIEMAT using standardized methods based on sequential separation with ionic-exchange resins. The americium fraction is purified through a two-layer ion exchange column and lately in an ...

C. Gasco M. A. Anton A. Alvarez N. Navarro S. Salvador

1994-01-01

465

Transmisión de Mycoplasma hyopneumoniae en una granja con separaciones abiertas o sólidas determinada por la prueba de reacción en cadena de la polimerasa Transmission of Mycoplasma hyopneumoniae in a farm with solid or open pen partitions determined by polymerase chain reaction test  

Microsoft Academic Search

The dynamics of transmission of Mycoplasma hyopneumoniae are described in a conventional nursery fi tted with two different pen partition designs (open vs. solid), as variables that infl uences the spread of this organism. This study was conducted in a farm known to be M. hyopneumoniae positive with a 50% prevalence of PCR positive pigs at weaning. This farm had

Montserrat Torremorell; Carlos Pijoan; Álvaro Ruiz; Susana Mendoza

466

EL CUIDADO DE SÍ DE LA EMBARAZADA DIABÉTICA COMO UNA VIA PARA ASEGURAR UN HIJO SANO SELF-CARE OF DIABETIC PREGNANT WOMEN, A WAY OF ENSURING A HEALTHY BABY O CUIDADO DE SI DE GESTANTES DIABÉTICAS COMO UM CAMINHO PARA ASSEGURAR UM FILHO SAUDÁVEL  

Microsoft Academic Search

This focused ethnography explored the beliefs, values, habits and behavioral patterns of diabetic pregnant women who were treated in Hospital Doutor Enrique Tejera, residents of three poor, urban communities in the city of Valencia, Venezuela. The purpose of this study was to find the meaning of self-care for these pregnant women. The Health Analysis, the Theory of Diversity, and the

Carmen Amarilis; Guerra de Castillo; Marta Lucía Vásquez

2006-01-01

467

Measurement and Alleviation of Poverty: With an Application to the Effects of Macroeconomic Adjustment (Evaluation quantitative de la pauvreté et remèdes possibles: analyse des effets d'un ajustement macroéconomique) (Medición y alivio de la pobreza, con una aplicación a los efectos del ajuste macroeconómico)  

Microsoft Academic Search

This paper reviews recent developments in the measurement of poverty, analyzes alternative strategies for poverty alleviation, and suggests a methodology for evaluating the impact of macroeconomic adjustment on poverty. The paper begins with the conceptual basis of alternative poverty lines and alternative indices. It then introduces the concept of \\

S. M. Ravi Kanbur

1987-01-01

468

Maintaining the competitiveness of the American fisheries society journals: An assessment based on influence and cost-effectiveness [Mantenimiento de la competitividad de las revistas de la Sociedad Americana de Pesquer??as: Una evaluaci??n basada en la influencia y efectividad de costos  

USGS Publications Warehouse

Recent changes in the landscape of scientific publishing prompted the Publications Overview Committee of the American Fisheries Society (AFS) to review the Society's portfolio of scientific journals. We evaluated journals based on metrics in two categories: (1) citation-based measures of the influence of a journal on the scientific literature, and (2) measures of the cost-effectiveness of a journal (citation rate adjusted for subscription cost). Over the long-term, we found that ecology journals had far stronger citation-based influence than fisheries and aquatic sciences journals, and that journals publishing primarily basic research had stronger influence than journals publishing applied research (including four AFS journals and Fisheries magazine). In evaluating the current status of fisheries and aquatic sciences journals, we found that metrics of influence and cost-effectiveness provided considerably different portrayals of journals relative to their peers. In terms of citation-based influence, we found that the AFS journal Transactions of the American Fisheries Society (TAFS) and Fisheries magazine were competitive with highly regarded peer fisheries journals, but that North American Journal of Aquaculture (NAJA) and Journal of Aquatic Animal Health (JAAH) were less influential than their peers. The citation-based influence of North American Journal of Fisheries Management (NAJFM) was intermediate between TAFS/Fisheries and NAJA/JAAH. For journals like NAJFM and NAJA, we expect that much of the scientific influence on policy and management is not captured by citations in the primary literature, and alternative methods of evaluation may be needed. All of the AFS journals ranked highly with regard to cost-effectiveness because their subscription costs are low, and these rankings are in accordance with membership needs and the strategic mission of AFS to provide broad and timely dissemination of scientific information. We conclude by suggesting ways to increase the influence of AFS journals without compromising their accessibility and affordability, and offer advice about methods and frequency for future journal evaluations. ?? 2009.

Hewitt, D. A.; Link, J. S.; Wahl, D. H.; Cooke, S. J.; Mather, M. E.

2009-01-01

469

Informe a la nación indica que continúa la disminución de las tasas de mortalidad por cáncer que empezó a principios de los noventa; Una sección especial destaca los cánceres asociados al exceso de peso y a la falta de actividad física adecuada  

Cancer.gov

Los índices de mortalidad por todos los cánceres combinados para hombres, mujeres y niños siguieron bajando en Estados Unidos entre 2004 y 2008, según el Informe Anual a la Nación sobre el Estado del Cáncer de 1975 a 2008. El índice general de diagnósticos nuevos de cáncer, que se conoce también como incidencia, bajaron entre los hombres un promedio de 0,6% por año entre 2004 y 2008. Los índices generales de incidencia de cáncer entre las mujeres bajaron 0,5% por año de 1998 hasta 2006; estos índices se nivelaron de 2006 a 2008.

470

Psychological aspects of risk appraisal in asphyxiation accidents: a review of the factors influencing children's perception and behaviour Aspetti psicologici nella valutazione del rischio di un incidente da soffocamento: una rassegna sui fattori che influenzano le percezioni e le condotte dei bambini  

Microsoft Academic Search

Summary Psychological aspects determining children's behaviour in response to asphyxiation risk due to ingestion of foreign matter have been rarely and non-systematically examined in the literature. Aim of this report is to highlight - through a review of the most significant psychological research in the literature - which factors influence the behaviour, perception and assessments of children 0 to 14

G. ZIGON; R. CORRADETTI; B. MORRA; S. SNIDERO; D. GREGORI; D. PASSALI

471

Effects of the addition of a meal deriving from toasted durum wheat kernels on dough properties and spaghetti cooking behavior Efectos de la adición de una harina derivada de granos tostados de trigo duro en las propiedades de masa y comportamiento para el cocido de espaguetis  

Microsoft Academic Search

The aim was to study the effects of toasting of durum wheat kernels on the properties of dough and spaghetti produced with semolina and increasing amounts of the meal deriving from toasted kernels. The replacement of semolina with the toasted meal caused a decrease in the dough strength and an increase of its tenacity already at a substitution level of

Antonietta Baiano; Carmela Lamacchia; Carmela Terracone

2011-01-01

472

Caratterizzazione di una camera a estrapolazione come campione di misura per radiazione beta e realizzazione di un complesso di irraggiamento per la taratura di dosimetri. (Characterization of extrapolation chamber as measurement scale for beta radiations and implementation of irradiation equipment for dosimeter calibration).  

National Technical Information Service (NTIS)

A computerized system for beta dosimetry has been developed at the Divisione di Metrologia e Protezione delle Radiazioni Ionizzanti dell'ENEA Italian Agency for (New Technologies, Energy and Environment)di Bologna. The system allows an absolute measuremen...

E. Fantuzzi F. Monteventi

1993-01-01

473

Promozione di una Banca Biologica per il Progetto Europeo 'GenomEUtwin': Riflessioni Etiche e Tutela della 'Privacy' Nella Conservazione di Tessuti Umani per la Ricerca (Promotion of a Biobank for the European 'GenomEUtwin' Project: Ethical Considerations on Human Tissues Storage for Research and Privacy Issues).  

National Technical Information Service (NTIS)

This report is the synthesis of an interdisciplinary work to cope with ethical and legal aspects of the European Project GenomEUtwin (5th EU Framework Programme), for the studies carried out by the Genetic Epidemiology Unit of the National Centre of Epide...

2006-01-01

474

Los tests de sensibilidad alimentaria no son una herramienta útil para el diagnóstico o el tratamiento de la obesidad u otras enfermedades: Declaración de Postura del Grupo de Revisión, Estudio y Posicionamiento de la Asociación Española de Dietistas-Nutricionistas (GREP-AEDN)  

Microsoft Academic Search

In the face of the growing use of weight-losing strategies as an alternative to conventional methods, the Revision, Study and Positioning Group of the Spanish Association of Dieticians-Nutritionists (GREP-AEDN) has decided to analyse these methods and to provide information on the degree of efficacy, reliability and\\/ or risk involved in their use, specifically of the Food Sensitivity Tests. By means

Mar Garcia-Aloy; Maria Teresa Comas; Julio Basulto; Maria Manera; Eduard Baladia; Núria Ibarrola

2010-01-01

475

RESUMEN DE TESIS DOCTORAL Reconstrucción de Parámetros y Variables de Estado para una Clase de Sistemas Caóticos con Aplicación en Codificación y Decodificación de Información Parameter and State Variable Reconstruction for a Class of Chaotic with Application to Information Codification and De-codification  

Microsoft Academic Search

In this paper we describe how to use exact state and parametric integral equations re-constructors for the identification of the state variables of dynamic chaotic discrete and continuous non-lineal systems. In both cases, we avoid the use of asymptotic observers and Takens Theorem. Identification and reconstruction of discrete systems is illustrated with Lozi's system. The state reconstruction schema for discrete

Miguel Santiago; Suárez Castañón; Carlos Fernando Aguilar Ibáñez

2005-01-01

476

The Person-Centered Approach in Germany: To Cut a Long Story Short \\/ Der Personzentrierte Ansatz in Deutschland—um es kurz zu machen \\/ El enfoque centrado en la persona en Alemania: Resumiendo una larga historia \\/ Une courte histoire de l'approche centrée sur la personne en Allemagne \\/ A Abordagem Centrada na Pessoa na Alemanha: Breve resenha  

Microsoft Academic Search

This article outlines the history and development of client-centered therapy in Germany against the background of the evolving professionalization of psychotherapeutic care. Representatives of the approach had neglected to assert their interests in health policies for years. As a consequence, client-centered therapy (CCT) failed to achieve a secure position within the German medical care system, which de facto led to

Beate Hofmeister

2010-01-01

477

Auxilio, Socorro! Salvame! Los Esterioripos de la Mujer en la Television. Octavo Modulo de una Serie para Maestros de Escuela Elemental. Fara Usar con la Grabacion (Help! Help! Save me! Sexual Stereotyping of Women. Eighth Module of a Series for Elementary School Teachers. Audiotape Transcriptions).  

ERIC Educational Resources Information Center

This guide in English and Spanish provides information for teachers concerning the roles assigned to women in television, and the stereotypes on which these roles are based. The guide contains a pre-test and a post-test to measure the user's awareness of sexual stereotyping. Four object lessons examine: (1) the traditional role of women on…

Garcia Ramis, Magali, Ed.; And Others

478

Comportamento del (137)Cs nelle piante da frutto. Risultati di una ricerca condotta utilizzando le misure di radioattivita' effettuate negli anni 1987-1988 a seguito dell'incidente di Chernobyl. ((137)Cs behaviour in fruit trees. Results of a search done using the radioactivity measurements carried out in the period 1987-1988 following the Chernobyl accident).  

National Technical Information Service (NTIS)

The results of measurements carried out during the period 1987-1988, to evaluate the levels of (sup 137)Cs and (sup 134)Cs contamination in fruit samples and in various components of fruit-trees have been reported. It has been demonstrated that, in the ca...

L. Monte S. Quaggia F. Pompei S. Fratarcangeli

1989-01-01

479

Stress-Induced Sodium Excretion, a New Intermediate Phenotype to Study the Early Genetic Etiology of Hypertension?  

PubMed Central

Impaired stress-induced pressure natriuresis, i.e., an inadequate increase in urinary sodium excretion (UNaV) in response to a stress-induced blood pressure increase, may lead to the premature development of essential hypertension. To assess the heritability of baseline UNaV, stress UNaV, and the UNaV response to stress (?UNaV = stress UNaV – baseline UNaV), we studied 396 African American (AA) and 494 European American (EA) twins, including monozygotic and dizygotic of same- as well as opposite-sex (mean age: 17.6 ± 3.3; range: 11.9–30.0). Bivariate genetic model fitting was performed to examine the extent to which genetic and environmental factors are common or specific to baseline and stress UNaV. Heritability estimates for ?UNaV can be derived from these bivariate models. All bivariate analyses were performed separately in EAs and AAs, because univariate models for baseline UNaV showed significant ethnic differences in heritability estimates. Best fitting models showed that the heritability of stress UNaV was 0.42 in EAs and 0.58 in AAs. Only 15% and 11% of the total variance could be attributed to genetic factors common to baseline and stress UNaV in EAs and AAs, respectively. After removal of all shared influences with baseline UNaV, heritabilities for stress UNaV were 0.32 in EAs and 0.57 in AAs. Heritability estimates for ?UNaV were 0.36 in EAs and 0.39 in AAs. In summary, this study establishes ?UNaV and stress UNaV as heritable phenotypes that may be used to study the genetic etiology of early hypertension development.

Ge, Dongliang; Su, Shaoyong; Zhu, Haidong; Dong, Yanbin; Wang, Xiaoling; Harshfield, Gregory A; Treiber, Frank A; Snieder, Harold

2009-01-01

480

El pronóstico del cáncer  

Cancer.gov

Hoja informativa sobre la predicción de resultados y recuperación de una enfermedad, y sobre cómo las estadísticas ayudan a los médicos a hacer una estimación del pronóstico de un paciente con cáncer.

481

Cómo usar la etiqueta de información nutricional  

Center for Food Safety and Applied Nutrition (CFSAN)

Text Version... Con frecuencia, un paquete de alimento contiene más de una porción! Los porcentajes de valores diarios se basan en una dieta de 2.000 calorías ... More results from www.fda.gov/downloads/food/resourcesforyou

482

Seguridad alimentaria para toda la vida - Cocinar  

Center for Food Safety and Applied Nutrition (CFSAN)

... Agregue un poco de líquido a la comida y cúbrala con un envoltorio de plástico (con ventilación en una punta) o con una tapa de vidrio. ... More results from www.fda.gov/food/foodborneillnesscontaminants/peopleatrisk

483

Metastasi spinali estrinseche ed intrinseche  

Microsoft Academic Search

Una compressione neoplastica midollare epidurale (CME) è una complicanza legata ad una neoplasia che nel suo sviluppo ha invaso\\u000a lo spazio epidurale comprimendo il sacco durale e quindi il midollo. Il 90% circa delle compressioni epidurali origina da\\u000a una metastasi ossea a partenza dal corpo vertebrale [1]. L’incidenza delle CME nei malati tumorali è compresa tra il 4,4 e il

Antonio Silvani

484

Educación y equidad. Algunos aportes desde la noción de educabilidad 1  

Microsoft Academic Search

La gran mayoría de los estudios orientados a esclarecer la relación entre educación y equidad social coinciden en centrar la atención en la educación como una condición indispensable para el logro de una sociedad más equitativa. Los argumentos que permiten pensar a la educación como una instancia previa a la equidad, como su condición de posibilidad, son muy diversos, y

Néstor López

485

Inserció laboral i empleabilitat en el marc de l'Espai Europeu d'Educació Superior: el ca s de la facultat de pedagogia de la Universitat de Barcelona  

Microsoft Academic Search

Desde la perspectiva de la convergencia europea, se realiza una aproximación conceptual a la inserción laboral y a la empleabilidad, que permita una delimitación y definición terminológicas, y se aportan los datos de una investigación dirigida a las personas graduadas en Pedagogía en la Universidad de Barcelona durante los cursos 2001-2002 y 2002-2003, incluyendo detalles sobre el diseño de la

Javier Ventura Blanco; Francesc Martínez Olmo

2007-01-01

486

El flujo de materiales y el desarrollo económico en España: un análisis sobre desmaterialización (1980-2004)  

Microsoft Academic Search

El análisis de los flujos de materiales que circulan a través de un sistema económico es una forma de medir la dimensión física del consumo y la apropiación de recursos por parte de una sociedad y, en consecuencia, es una manera indirecta de medir su impacto ambiental. De esta manera, los indicadores de flujos de materiales pueden ser considerados como

Ana Citlalic González Martínez; Sílvia Cañellas Boltà; Ignasi Puig Ventosa; Daniela Russi; Cristina Sendra Sala; Amalia Sojo Benítez

2010-01-01

487

Tipo de Cambio Real en Colombia: ¿que pasó?  

Microsoft Academic Search

En el gráfico 1 se muestra el llamado índice de la Tasa de Cambio Real (ICTR) construido por el Banco de la República; se presenta el índice, con una periodicidad mensual, para el período comprendido entre Enero de 1989 y Septiembre d e 1996. Se observa un comportamiento en el cual hay una devaluación inicial, seguida de una apreciación prácticamente

Alberto Carrasquilla; Andrés Felipe Arias

1996-01-01

488

PÁNICO Y MERCADO: CONTRIBUCIONES Y LIMITACIONES DE JEAN-MARIE DUPUY AL ESTUDIO DEL TERROR FINANCIERO  

Microsoft Academic Search

En una época caracterizada por una constante turbulencia y un creciente sentimiento de inseguridad, el trabajo titulado El pánico de Jean Pierre Dupuy exige debido a su profundidad y transparencia intelectual, por lo menos un comentario. El autor, comienza su capítulo introductorio con una pregunta, ¿cómo se mantiene unida la sociedad?, y continúa ¿Por qué las crisis que desgarran o

Maximiliano E. Korstanje

2009-01-01

489

ECONOMÍA POLÍTICA DE LA “GRIPE A” EN ARGENTINA Y EN MÉXICO  

Microsoft Academic Search

El fin y principio de un nuevo milenio han traído consigo sentimientos encontrados, una necesidad de purificación junto a una ola de terror secularizado ante la inevitable destrucción del mundo. En parte, todo Apocalipsis implica una conflagración final entre las fuerzas del bien y las del mal. Luego de ello, sobrevendrá un reino de mil años caracterizado por la confraternidad,

Maximiliano Korstanje; Jorge Isauro Rionda Ramírez

2010-01-01

490

La hipnosis como adjunto en el tratamiento del hábito de fumar. Estudio de caso  

Microsoft Academic Search

Se presenta el caso de una paciente de 33 años con dependencia a la nicotina que lle vaba 9 años fu- mando una media de 35 cigarrillos diarios. Intentó dejarlo hace 3 años pero tuvo una recaída a los seis meses por problemas de ansiedad y continuó con su adicción. El tr atamiento tuvo como objetivo que la paciente dejara

María Elena; Mendoza Figueroa

2000-01-01

491

Errores y Dificultades en el desarrollo del Pensamiento Numérico  

Microsoft Academic Search

El estudio de errores y dificultades de comprensión de los escolares constituye una línea de investigación potente y productiva en Educación Matemática. La producción en este campo es amplia y, en muchas ocasiones , se presenta poco articulada. En este trabajo proponemos una fundamentación y una aproximación metodológica para este tipo de estudios; también presentamos un ejemplo de trabajo realizado

Luis RICO; Encarnación CASTRO

492

International Public Relations: An American Perspective  

Microsoft Academic Search

En un món cada vegada més interconnectat i interdependent, la internacionalització de les relacions públiques s’ha convertit en una realitat, a més a més d’una preocupació tant per a acadèmics com per a professionals que veuen com una crisi que es va iniciar en els mercats americans ràpidament va afectar tant nacions desenvolupades com nacions en vies de desenvolupament. En

Sahar Khamis; Elizabeth L. Toth

2008-01-01

493

El factor humano y su influencia en la seguridad marítima  

Microsoft Academic Search

RESUMEN En este artículo se analiza el factor humano y su influencia en la seguridad marítima, desde un punto de vista empírico que parte del estudio de diferentes casos de accidentes marítimos; para en un proceso de síntesis, llegar a unas conclusiones que permiten aportar una visión de toda la problemática que envuelve esta materia; desde una perspectiva más bien

Santiago Iglesias Baniela; Felipe Louzán Lago; Enrique Melón Rodríguez

494

LA GERENCIA DE PROYECTOS DE RESPONSABILIDAD SOCIAL: UN PROBLEMA ÉTICO PRIORITARIO EN LA AGENDA UNIVERSITARIA THE MANAGEMENT OF SOCIAL RESPONSIBILITY PROJECTS: A HIGH-PRIORITY ETHICAL PROBLEM IN THE UNIVERSITY AGENDA  

Microsoft Academic Search

RESUMEN Este trabajo destaca que la gerencia de proyecto de Responsabilidad Social es una urgencia ética en la agenda de las organizaciones universitarias. Se razona sobre la Responsabilidad Social como macro proyecto ético universitario; como se han manejado los proyectos en el ámbito universitario y sobre como el Modelo Intellectus es una opción exitosa. Mediante una Investigación documental, se concluyó

Revista ORBIS; Ciencias Humanas; Jorge Palencia; Isis Bracho; Lesbia Vargas

495

Évaluation des dommages des marées noires : une illustration à partir du cas de l’Erika et des pertes d’agrément des résidents  

Microsoft Academic Search

[spa] Evaluación de los daños de las mareas negras: una ilustración a partir del caso del Erika y de las pérdidas de amenidad para los vecinos . . Los daños relacionados con el naufragio del Erika fueron bastante limitados en el tiempo pero afectaron a una costa muy poblada y cercana a una aglomeración importante, la de Nantes. Las pérdidas

Pierre Rainelli; François Bonnieux

2002-01-01

496

Codificación de los Genes  

NSDL National Science Digital Library

Esta animación muestra como un gen está construido para eventualmente producir una proteína en una planta de maíz Bt (Bt corn). Esta es la quinta de una serie de siete animaciones que detallan el proceso de ingeniería genética de cultivos.

497

RESCATE Y RETORNO A ESTADO SALVAJE DE UN OSO PARDO EN ASTURIAS (ESPAÑA)  

Microsoft Academic Search

Una hembra de oso pardo (Ursus arctos, L.), localizada junto a una carretera el 28 de marzo de 1999 con dificultades motrices y que no mostraba el comportamiento habitual de huida, fue capturada y dotada de un transmisor. Tras una inspección sobre el terreno, en la que sus ritmos respiratorios y cardiacos y su temperatura corporal resultaron normales, se le

J. NAVES; A. FERNÁNDEZ-GIL; M. RUIZ-BASCARÁN; J. F. GARCÍA-GAONA; J. C. DEL CAMPO; Y M. DELIBES

2001-01-01

498

LA GESTIÓN DE RESIDUOS EN LA EMPRESA: MOTIVACIONES PARA SU IMPLANTACIÓN Y MEJORAS ASOCIADAS \\/ FIRMS’ WASTE MANAGEMENT IN THE COMPANY: MOTIVATIONS FOR THEIR IMPLEMENTATION AND ASSOCIATED IMPROVEMENTS  

Microsoft Academic Search

Entre los problemas medioambientales actuales, la reducción o eliminación de los residuos se ha convertido en una de las principales preocupaciones en los países industrializados y en una prioridad para las empresas. En el presente trabajo se realiza una revisión de los postulados del modelo económico clásico, vigente hasta hace escasas fechas, en relación con la variable medio ambiente y

Unai Tamayo Orbegozo; María Azucena Vicente Molina; Julen Izaguirre Olaizola

2012-01-01

499

El desarrollo de la escucha como habilidad para comprender, a partir de la asignatura inglés  

Microsoft Academic Search

Este artículo aborda una problemática actual al profundizar en el desarrollo de la habilidad Escuchar como habilidad para comprender, se hace una sistematización de conocimientos teóricos sobre la temática, se intenta mostrar cómo una actividad común de audición encontrada en la mayoría de los libros de texto modernos de la enseñanza del EFL (inglés como idioma extranjero), puede ser explotada

Rafael Lorenzo Hechavarría Pérez

2011-01-01

500

ASERTIVIDAD  

Microsoft Academic Search

Una persona con habilidades sociales, es una persona que puede usar una serie de técnicas aprendidas o desarrolladas por si mismo, para conseguir que sus relaciones con otras personas sean favorables. Estas habilidades sociales son clave para conseguir llegar a otras personas y llevarnos bien con ellas, por lo que van a estar conectadas con el proceso comunicativo.

Carmen Grimaldi Herrera

2009-01-01