Showing 701 - 720 results of 838 for search '"Peru"', query time: 0.05s Refine Results
  1. 701

    Measurement of the Characteristics of TIDs Using Small and Regional Networks of GPS Receivers during the Campaign of 17–30 July of 2008 by Cesar E. Valladares, Matthew A. Hei

    Published 2012-01-01
    “…A small array of 3 GPS receivers separated by 4-5 km placed in a triangular configuration was installed near Huancayo in Peru possessing several characteristics of a radio-interferometer. …”
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  2. 702

    Effect of the modified snorkel mask as noninvasive ventilatory support in patients with acute hypoxemic respiratory failure due to COVID-19 by Raul Montalvo, Eyner Castro, Janet Rojas, Carlos Camargo, Carina Ninahuanca

    Published 2023-07-01
    “… # Methods In this retrospective observational study, adult patients with COVID-19 who were treated with a snorkel mask at Daniel Alcides Carrion Hospital of Huancayo-Perú were selected. # Results Of the 390 patients included, 158 (20.5%) received noninvasive ventilation with a snorkel, 84 (53.2%) patients were discharged alive without intubation, and the mortality rate was 22%. …”
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  3. 703

    The Ecuadorian State in the southeastern frontier: a creation based on affection, 1893-1964 by Cecilia Ortiz-Batallas

    Published 2021-05-01
    “…This territory – which was originally settled by the Achuar and Shuar peoples- remained in dispute between Ecuador and Peru since the day Ecuador became an independent country in 1830, and until 1998, when the two nations reached a final agreement on their common borders. …”
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  4. 704

    Estilos de vida en adolescentes de instituciones educativas de nivel secundario en un distrito de Puno by Yaqueline Milagros Mamani Ccari

    Published 2022-05-01
    “… Objetivo: Determinar los estilos de vida en adolescentes de instituciones educativas secundarias del distrito de Lampa, Puno, Perú. Material y métodos: Estudio de tipo descriptivo y diseño transversal; la muestra estuvo conformada por 265 adolescentes de ambos sexos de las instituciones educativas secundarias del distrito de Lampa, con muestreo probabilístico estratificado. …”
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  5. 705

    Dinámica del nitrógeno en un suelo aluvial salino, cultivado con remolacha azucarera by S. VALDIVIA VEGA, J. PINNA CABREJOS, S. VALDIVIA SALAZAR

    Published 2021-01-01
    “…En el presente experimento fueron evaluados cinco cultivares monogermen de remolacha azucarera, en la costa árida del norte del Perú. Se trabajó en un suelo aluvial (Entisols) altamente salino (5,38 a 22,5 dS m-1) de la empresa azucarera Casa Grande con el fin de estudiar el comportamiento de la remolacha azucarera en dicho suelo, donde normalmente no prospera ningún cultivo. …”
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  6. 706
  7. 707

    Desempeño de pensiones privatizadas en América Latina, 1980-2020: el caso de México by Carmelo Mesa-Lago

    Published 2022-01-01
    “…Los 10 países son clasificados en tres tipos de reforma estructural: sustitutiva (Chile, El Salvador, México y República Dominicana), mixta (Bolivia, Costa Rica, Panamá y Uruguay) y paralela (Colombia y Perú). El desempeño se mide respecto de los principios de seguridad social de la Organización Internacional del Trabajo (OIT): cobertura; solidaridad social y equidad de género; suficiencia de las prestaciones; eficiencia y gastos administrativos razonables, y sostenibilidad financiera-actuarial. …”
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  8. 708

    Pegaso (1924): ubicación y balance de una revista olvidada by Erick Gonzalo Padilla Sinchi

    Published 2024-12-01
    “… Antes de su primer periplo internacional, Xavier Abril (Perú, 1905 - Uruguay, 1990) dirigió desde Lima la  evista Pegaso (1924), una publicación poco estudiada por la crítica especializada. …”
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  9. 709
  10. 710

    Early Childhood Education in Times of Pandemic: The lived experience of children in Latinamerican countries by Marlene Fermín-González, Carolina Caffarena-Barcenilla, Blanca Barco, Ada Echenique-Arguinzones

    Published 2025-01-01
    “…Data was collected through four strategies based on the mosaic approach: face-to-face interviews, virtual interviews, audio recordings, and drawings, involving a total of 46 children from 7 countries: Chile, Venezuela, Ecuador, Peru, Costa Rica, Brazil, and Argentina. The results show that during the pandemic, there were limitations on play, communication was primarily directed by teachers in virtual settings, children expressed a need for contact with peers, family mediation was crucial for learning, movement was restricted, and here was a greater emphasis on content of the didactic processes. …”
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  11. 711
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  13. 713

    Combining CS Unplugged and L2T2L to Bridge the Computing Illiteracy Gap of the Elderly Population: A Case Study by José Alfredo Díaz-León, Olatz Arbelaitz, Mikel Larrañaga, Ana Arruarte

    Published 2025-01-01
    “…A case study was conducted in Lima, Peru, with the participation of 140 volunteers from centres for the elderly. …”
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    Trace Metal Content of Sediments Close to Mine Sites in the Andean Region by Cristina Yacoub, Agustí Pérez-Foguet, Nuria Miralles

    Published 2012-01-01
    “…This study is a preliminary examination of heavy metal pollution in sediments close to two mine sites in the upper part of the Jequetepeque River Basin, Peru. Sediment concentrations of Al, As, Cd, Cu, Cr, Fe, Hg, Ni, Pb, Sb, Sn, and Zn were analyzed. …”
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  18. 718

    Recuperación de embriones en hembras de alpacas y llamas con ovulación única o múltiple by Teodosio Huanca Mamani

    Published 2022-01-01
    “…El objetivo de este estudio fue evaluar la recuperación, la calidad y el tamaño de embriones obtenidos de alpacas y llamas donantes, de ovulación única y superestimuladas (ovulación múltiple), mediante la aplicación de 1000 UI de gonadotropina coriónica equina (eCG), en la cría extensiva de la Estación Experimental Quimsachata del Instituto Nacional de Innovación Agraria (INIA, Puno, Perú). Por una parte, en ambas especies la estimulación ovárica aumentó significativamente el número de folículos, cuerpos lúteos, tasa de ovulación y número de embriones por hembra donante. …”
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  19. 719

    Cooperation in Latin America: the scientific psychology network by Agnaldo García, Wilson López-López, César Andrés Acevedo-Triana, Fábio Nogueira Pereira

    Published 2017-01-01
    “…Los países con el mayor número de participantes fueron Colombia, Brasil, Argentina, Chile y Perú. En términos del nivel educativo se identificaron miem - bros desde pregrado hasta PhD. …”
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  20. 720