Results 81 to 90 of about 2,667 (289)

Ranas : Extrémité du terrain de jeu de balle

open access: yes, 1983
Photographe : Dominique MicheletSite de Ranas, Municipio de San Joaquin, Querétaro. A l'une des extrémités du terrain de jeu de balle restauré (un des trois de Ranas), petite structure, probablement "temascal" (entrée et petite pièce)
Michoacán I, Projet
core   +1 more source

Anurans of the highland complex Los Nevados, Chilí-Barragán and Las Hermosas, Central Andes of Colombia

open access: yesBiota Colombiana, 2016
We show the results of a rapid characterization of anurans at the highland complex Los Nevados, Chilí-Barragán and Las Hermosas, which are located in the Central Andes of the departments of Quindío, Tolima and Valle del Cauca, Colombia. We registered 263
Wolfgang Buitrago-González   +2 more
doaj   +1 more source

Norm First, Practice Lagging Far Behind: Analysis of the Factors Determining the Digital Literacy of Rural Teachers in China

open access: yesFuture in Educational Research, EarlyView.
ABSTRACT To promote the use of digital tools in school education, it is important to understand teachers' digital literacy and explore the best ways to develop it. This study used an extended UTAUT model to examine Chinese rural teachers' digital literacy development. Self‐reported questionnaires were collected and analyzed.
Liang Chen   +4 more
wiley   +1 more source

Las ranas y los sapos

open access: yes, 2004
Este capítulo hace parte del libro Rana venenosa del valle del río Ñambí donde se indica que las ranas y los sapos son el grupo de anfibios con mayor número de especies en el planeta.
Ballestas Navarro, Onil Esthela   +2 more
core   +1 more source

Recent advances and prospects for high‐efficiency blue hot exciton organic light‐emitting diodes

open access: yesFlexMat, EarlyView.
Blue organic light‐emitting diodes (OLEDs) face great challenges in achieving the balance between color purity, device efficiency, and stability. Hot exciton materials offer a solution by rapidly converting non‐emissive triplet excitons into singlet ones through a high‐lying reverse intersystem crossing process.
Xiaoen Shi   +3 more
wiley   +1 more source

Las ranas venenosas

open access: yes, 2004
Este capítulo hace parte del libro Rana venenosa del valle del río Ñambí donde el autor indica que en la naturaleza se encuentran muchos organismos venenosos que interesan a gran cantidad de personas, ya sea por sus venenos, ecología, utilidad o ...
Ballestas Navarro, Onil Esthela   +2 more
core   +1 more source

Immunomodulatory Effect of Tilapia (Oreochromis niloticus) Scale Gelatin Peptides in RAW264.7 Macrophages and Caenorhabditis elegans

open access: yesFood Safety and Health, EarlyView.
ABSTRACT Currently, small‐molecular‐weight collagen peptides are a research hotspot in functional factor development due to their high bioavailability and diverse bioactivities. In this study, gelatin was extracted from tilapia (Oreochromis niloticus) scales by hot water extraction, followed by pepsin hydrolysis and ultrafiltration to obtain the < 3 ...
Ya‐ru Liu   +5 more
wiley   +1 more source

Should multinationals care about development? Rethinking global strategy in an unequal world

open access: yesGlobal Strategy Journal, EarlyView.
Abstract Research Summary While multinational corporations (MNCs) can profoundly shape global development trajectories, global strategy research has largely treated development as peripheral to core strategic concerns. This Perspective paper examines the contested relationship between global strategy and development, arguing that MNCs are neither ...
Marcus M. Larsen   +2 more
wiley   +1 more source

The distributions of the gladiator frogs (Hyla boans group) in Colombia, with comments on size variations and sympatry

open access: yesCaldasia, 2001
En Colombia se encuentran cinco especies de ranas gladiadoras (del grupo Hyla boans). Hyla wavrini apenas entra a Colombia (se encuentra en el límite oriental del país) e H. rosenbergi es endémica del Chocó biogeográfico.
Lynch John Douglas   +1 more
doaj  

Obstetrics and gynecology devices designed for low‐ and middle‐income countries: A narrative review

open access: yesInternational Journal of Gynecology &Obstetrics, Volume 169, Issue 1, Page 71-80, April 2025.
Abstract There are many barriers contributing to poor health outcomes for women in low‐ and middle‐income countries (LMICs), one of which is the lack of necessary medical devices. Presently, the development of various kinds of devices intended to improve women's health outcomes specifically in LMICs remains underrepresented in the literature; therefore,
Dhanalakshmi Thiyagarajan   +2 more
wiley   +1 more source

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