Results 41 to 50 of about 5,292 (115)
Microwave‐Assisted One‐Pot Synthesis of Alkyl Levulinates From Post‐Harvest Vegetable Waste
Advanced Sustainable Systems, Volume 9, Issue 9, September 2025.Vegetable waste is valorized through Soxhlet extraction using H₂O₂ and heteropolyacid (HPA), followed by material characterization (XRD, FTIR, TGA, DSC). A microwave‐assisted reaction at 170 °C for 30 min with HPA and alcohol yields bio‐based esters.
Ángel G. Sathicq +5 more
wiley +1 more source
Pedagogía y Saberes, 2011 El presente artículo presenta los hallazgos de un estudio en el que se indaga por las estrategias cognitivas y metacognitivas que propician los docentes y a las que recurren los estudiantes para adentrase en las exigencias de comprensión lectora de los ...
Lilia Cañón Florez +2 more
doaj
Análisis histórico epidemiológico de la pandemia de gripa de 1918-1919 en Boyacá, un siglo después
Revista Ciencias de la Salud, 2019 Introducción: la gripa que ocurrió entre 1918-1919 causó la mayor mortalidad en la historia de las pandemias, se estima que 50 millones de personas fallecieron.
Abel Fernando Martínez Martín, PhD +3 more
doaj +1 more source
Escribir en comunidad: Construcción de relaciones y responsabilidad en la producción de conocimiento
American Anthropologist, Volume 127, Issue 3, Page 447-465, September 2025.ABSTRACT As anthropology reckons with its past, present, and future, anthropologists increasingly seek to challenge inequities within the discipline and academia more broadly. Anthropology, regardless of subdiscipline, is a social endeavor. Yet research often remains an isolating (though not necessarily solitary) process, even within research teams and
Jordi Armani Rivera Prince +16 more
wiley +1 more source
Chemistry – A European Journal, Volume 31, Issue 13, March 3, 2025.The hemilabile character of the NSi ligand in 18e saturated Rh–(κ2‐NSi) species has been demonstrated. Abstract The 18e saturated rhodium(III) species [Rh(H)(X)(κ2‐NSitBu2)(bipyMe2)] (NSitBu2={4‐methylpyridine‐2‐yloxy}ditertbutylsilyl; bipyMe2=4,4'‐dimethylbipyridine) (X=Cl, 1; OTf, 2) have been prepared and characterized by NMR spectroscopy and in the
Alejandra Gómez‐España +6 more
wiley +1 more source
Educare Et Comunicare, 2018 El objetivo principal de esta investigación fue diseñar un modelo de competencias gerenciales para los directivos de las Instituciones Educativas de Educación Secundaria de Chiclayo con el fin de mejorar los procesos de gestión de acuerdo a las ...
Doris Margot Díaz Castillo +1 more
doaj +1 more source
Revista de Ciencias Agrícolas, 2022 In vegetables of economic importance such as onion, one of the main limitations in their production is that their seeds have a relatively short storage life, so their viability decreases rapidly.
Ana Cruz Morillo-Coronado +3 more
doaj +1 more source
Microbial Biotechnology, Volume 18, Issue 3, March 2025.We review here the activity over the years of MicroMundo, a consolidated citizen science and service‐learning Project operating from over 30 Spanish and Portuguese universities, which involves students from different educational levels in the search for antibiotic activities in microorganisms isolated from soil samples.
Jessica Gil‐Serna +41 more
wiley +1 more source
Revista de Ciencias Agrícolas, 2021 In vegetables of economic importance such as onion, one of the main limitations in their production is that their seeds have a relatively short storage life, so their viability decreases rapidly.
Ana Cruz Morillo-Coronado +3 more
doaj +1 more source
International Journal of Agronomy, Volume 2025, Issue 1, 2025.Passiflora edulis f. flavicarpa Degener is a species of economic importance belonging to the genus Passiflora, native to Brazil. It has some alkaloids, flavonoids, carotenoids, minerals, vitamins A, C, and D with anxiolytic, antihypertensive, sedative, and analgesic properties.
Daniel Alberto Muñoz-Fonseca +3 more
wiley +1 more source