Results 31 to 40 of about 2,040 (130)

Enseñanza de la perspectiva cónica. Método en el espacio real, y su simulación en el espacio virtual

Pixel-Bit, 2012
Para la enseñanza de la perspectiva, los autores utilizan materiales y métodos didácticos usando maquetas reales y tangibles con rendimientos muy satisfactorios, pero conllevan determinadas dificultades de tipo físico y operativo.
Juan Beltrán Chica, José Manuel Beltrán Polaina   +1 more
doaj   +2 more sources

Experimentos químicos de bajo costo: un aporte desde la microescala

Revista Eureka sobre Enseñanza y Divulgación de las Ciencias, 2012
Las actividades experimentales en el laboratorio son parte fundamental para la enseñanza y el aprendizaje de la Química. Sin embargo, muchas veces su implementación puede verse limitada por la carencia de materiales, de instrumentos, por el costo de los ...
Alexis González, Carlos Urzúa
doaj  

Effect of Melatonin Addition During Cryopreservation of Chinchilla Rabbit Spermatozoa in Mexico

Andrologia, Volume 2026, Issue 1, 2026.
In recent years, efforts have been made to make rabbit production more efficient, and reproductive strategies, such as artificial insemination, have been developed to make it more productive. However, unlike in other species, there are currently no protocols to ensure that sperm quality is maintained during thawing.
Daniel González-Ruiz, Metzli Mayte García-Bernal, Elisa Gutiérrez Hernández, Alicia Alcántar-Rodríguez, Alfredo Medrano, Larbi Allai   +5 more
wiley   +1 more source

Design and initial findings of a natural history study of anal HPV and associated lesions among young adult women in Costa Rica

International Journal of Cancer, Volume 157, Issue 12, Page 2603-2618, 15 December 2025.
What's New? Infection with human papillomavirus (HPV) is the primary cause of anal cancer, for which the majority of cases occur in women. Anal cancer screening guidelines have limited evidence to inform effective strategies for women with HIV. We designed a study that was nested within the Costa Rica HPV Vaccine Trial to understand the natural history
Cameron B. Haas, Rebeca Ocampo, Danping Liu, Michael Zúñiga, Diego Guillen, Megan A. Clarke, Loretto J. Carvajal, Allan Hildesheim, John Schussler, Mónica Sierra, Teresa M. Darragh, Joel M. Palefsky, Carolina Porras, for the Costa Rica HPV Vaccine Trial (CVT) Group, Bernal Cortés, Paula González, Rolando Herrero, Silvia E. Jiménez, Carolina Porras, Ana Cecilia Rodríguez, Allan Hildesheim, Aimée R. Kreimer, Douglas R. Lowy, Mark Schiffman, John T. Schiller, Mark Sherman, Ligia A. Pinto, Troy J. Kemp, Leidos Biomedical Research, Frederick National Laboratory, Cancer Research, Mary K. Sidawy, Wim Quint, Joel M. Palefsky, Mark H. Stoler, Aimée R. Kreimer, Rolando Herrero   +36 more
wiley   +1 more source

Sistema de tareas para la enseñanza combinada de la gramática comunicativa y la gramática tradicional de lengua inglesa

Revista Electrónica Dr. Zoilo E. Marinello Vidaurreta, 2015
Se realizó el diseño de un sistema de tareas para la enseñanza combinada de la gramática comunicativa y la gramática tradicional de lengua inglesa, con metodología cuali-cuantitativa, en la Facultad de Ciencias Médicas “Zoilo Marinello Vidaurreta” de la ...
Nancy del Carmen Jiménez Figueredo, Yadira Aurora Martínez Torres, José Suárez Lezcano, Aracelis Alarcón Vargas, Sandra Montaña Alarcón   +4 more
doaj  

Global importance of Amazonian freshwaters

Frontiers in Ecology and the Environment, Volume 23, Issue 10, December 2025.
Amazonian freshwaters have large influences on regional and global climate, harbor remarkable and unique species, and are vital to human society. Nevertheless, as compared to their terrestrial counterparts in the Amazon, these freshwaters have received less attention from the international conservation community.
Clinton N Jenkins, Simone Athayde, Claire F Beveridge, Sandra B Correa, Jhan‐Carlo Espinoza, Sebastian A Heilpern, Guido A Herrera‐R, LuLu Victoria‐Lacy, Paulo Olivas, Antonio Oliveira, Natalia C Piland, Renata Utsunomiya, Elizabeth P Anderson   +12 more
wiley   +1 more source

TEACHING SPANISH IN THE UNIVERSAL MONARCHY: TOMÁS PINPIN'S GRAMMAR FOR TAGALOGS (1610)

History and Theory, Volume 64, Issue 4, Page 92-108, December 2025.
ABSTRACT In 1610, a Tagalog printer named Tomás Pinpin published a Spanish grammar in Tagalog that was intended to help natives avoid errors and misunderstandings in their interactions with Spanish colonizers. This article attempts to clarify the book's genesis and to contextualize it within the global expansion of Spanish. Pinpin exemplifies a pattern
ALAN DURSTON
wiley   +1 more source

La huella de la Real Academia Española en manuales de enseñanza de la lengua para la Educación Secundaria: el caso de la oración

Educação & Formação, 2020
Este trabajo centra su atención en el análisis de algunos de los materiales didácticos usados en la escuela española para la enseñanza de la lengua. Se pretende analizar la organización y presentación de los contenidos gramaticales de estos manuales ...
Antonio Gutiérrez Rivero, Victoriano Gaviño Rodríguez   +1 more
doaj   +1 more source

The demographic landscape of Spanish language teaching research: A cross‐national study

The Modern Language Journal, Volume 109, Issue 4, Page 887-914, Winter 2025.
Abstract Engagement with research has long been recognized as a key driver of improved language teaching practices and teachers’ professional growth. Yet, language teaching practitioners often remain distanced from research activities, thus perpetuating a well‐documented gap between research and practice.
Javier Muñoz‐Basols, Elisa Gironzetti, Sal Consoli   +2 more
wiley   +1 more source

Unlocking Tropical Forest Complexity: How Tree Assemblages in Secondary Forests Boost Biodiversity Conservation

Ecology and Evolution, Volume 15, Issue 11, November 2025.
Secondary forests are crucial for achieving COP15/16 conservation goals. An operational national approach was developed to identify and characterise forest ecosystems based on the dominant tree species in the canopy, serving as indicators for ecosystem extent and condition.
Maïri Souza Oliveira, Maxime Lenormand, Sandra Luque, Nelson A. Zamora, Samuel Alleaume, Adriana C. Aguilar Porras, Marvin U. Castillo, Eduardo Chacón‐Madrigal, Diego Delgado, Luis Gustavo Hernández Sánchez, Marie‐Ange Ngo Bieng, Ruperto Quesada‐Monge, Gilberth S. Solano, Pedro M. Zúñiga   +13 more
wiley   +1 more source