Zobrazeno 1 - 10
of 157
pro vyhledávání: '"Verónica Ramírez"'
Publikováno v:
Historia Crítica, Vol 91, Pp 81-109 (2024)
Objective/Context: This paper studies the first Chilean school newspapers led by women and the role of high school students as mediators of scientific knowledge at the end of the 19th century and the beginning of the 20th. The analysis is part of the
Externí odkaz:
https://doaj.org/article/53ab5e6e57b44d0195d9998306d9ceb2
Publikováno v:
Revista Electronic@ Educare, Vol 27, Iss 3, Pp 1-20 (2023)
Objetivo. Identificar los niveles de percepción del liderazgo transformacional y del liderazgo transaccional en el diseño e implementación de la estrategia organizacional en la fase de la pandemia COVID-19. Metodología. Se utilizó metodología c
Externí odkaz:
https://doaj.org/article/946456b403f6407da88eca348c02725c
Autor:
Beatriz Eugenia Salazar Giraldo, Sara Isabel Gómez Villegas, Diego Enrique Vélez Gómez, Verónica Ramírez Lopera, Tania Lizeth Pérez Cala, Alonso Martínez
Publikováno v:
Revista Colombiana de Gastroenterología, Vol 38, Iss 3 (2023)
Objetivo: determinar la frecuencia de Helicobacter pylori y la presencia de factores sociodemográficos, hábitos de vida y antecedentes personales y familiares de enfermedades gastroduodenales en pacientes que requirieron y fueron llevados a endosco
Externí odkaz:
https://doaj.org/article/ea4bcb7999894d65b2d20960b11614fd
Autor:
Aida Pérez-Fonseca, Verónica Ramírez-Herrera, Francisco Fuentes-Talavera, Denis Rodrigue, José Silva-Guzmán, Jorge Robledo-Ortíz
Publikováno v:
Maderas: Ciencia y Tecnología, Vol 23, Pp 1-16 (2021)
Polylactic acid is one of the most used biopolymers due to its overall properties and biodegradability. Nevertheless, polylactic acid has important drawbacks such as brittleness, low thermal stability, and higher cost than most commodity polymers. In
Externí odkaz:
https://doaj.org/article/ed1d5cb11e5a4fab9e1f8900fb06587a
Autor:
Verónica Ramírez‐Lopera, Daniel Uribe‐Castro, Henry Bautista‐Amorocho, Jorge Alexander Silva‐Sayago, Enrique Mateus‐Sánchez, Wilman Yesid Ardila‐Barbosa, Tania Liseth Pérez‐Cala
Publikováno v:
Health Science Reports, Vol 4, Iss 3, Pp n/a-n/a (2021)
Abstract Background and Aims Benzene is a group I carcinogen, which has been associated with leukemia and myelodysplastic syndrome. Moreover, it has been proposed that polymorphisms in benzene metabolizing genes influence the outcomes of benzene expo
Externí odkaz:
https://doaj.org/article/148603af0a2840f28144dc6bd6422b93
Publikováno v:
Revista Arbitrada Interdisciplinaria Koinonía, Vol 4, Iss 8, Pp 166-189 (2019)
The main purpose of the research is to evaluate the organizational commitment that trusted public officials have with a dependency of the Executive Power of the State of Tabasco, Mexico as well as to identify if there is a relationship between sociod
Externí odkaz:
https://doaj.org/article/09052173eb5f4e7ab0aa87a1fe376086
Autor:
Verónica Ramírez, José-Antonio Munive, Luis Cortes, Jesús Muñoz-Rojas, Roberto Portillo, Antonino Baez
Publikováno v:
Frontiers in Microbiology, Vol 11 (2020)
Volatile organic compounds (VOCs) produced by rhizobacteria have been proven to stimulate plant growth during germination and seedling stages. However, the modulating effect of bacterial volatiles on the germination of seeds subjected to heavy metal
Externí odkaz:
https://doaj.org/article/19dcee03fa3c4d29bd03c4f3ab6d2320
Publikováno v:
Historia y Sociedad, Iss 38 (2020)
Benjamín Vicuña Mackenna fue un prolífico escritor y colaborador de la prensa chilena durante la segunda mitad del siglo XIX, y dentro de este quehacer dedicó varias páginas a asuntos científicos. Este trabajo analiza sus textos dedicados al sa
Externí odkaz:
https://doaj.org/article/7f688e8ada1e430f957117c8c8194aeb
Autor:
Rusbel Jaramillo, Klever Medina, Alejandra Recalde, Katty Pastás, Daniel Bedoya, Verónica Ramírez
Publikováno v:
Ecuador es Calidad, Vol 1, Iss 1 (2019)
El cadmio es un metal pesado que provoca serios daños a la salud humana. Su presencia natural o antropogénica en agua y suelo es motivo de preocupación debido, en gran medida, a la posibilidad de acumularse en alimentos, entre ellos el cacao, un
Externí odkaz:
https://doaj.org/article/c07ffd094e914661a05a33353044b9bf
Autor:
Verónica Ramírez, Antonino Baez, Primavera López, Rocío Bustillos, Miguel Ángel Villalobos, Ricardo Carreño, José Luis Contreras, Jesús Muñoz-Rojas, Luis Ernesto Fuentes, Javier Martínez, José Antonio Munive
Publikováno v:
Frontiers in Microbiology, Vol 10 (2019)
Heavy metal accumulation in mesquite trees (Prosopis laevigata) growing in aluminum, titanium, chromium and zirconium-polluted soils of a semi-arid region in Mexico was investigated using wavelength dispersive X-ray fluorescence analysis. The results
Externí odkaz:
https://doaj.org/article/9b387ba572934635bb764df9e8772254