Results 31 to 40 of about 245,367 (178)

Stable isotope tempestology of tropical cyclones across the North Atlantic and Eastern Pacific Ocean basins

open access: yesAnnals of the New York Academy of Sciences, Volume 1543, Issue 1, Page 145-165, January 2025.
Tropical cyclones (TCs) are one of the major natural hazards to island and coastal communities and ecosystems. However, isotopic compositions of TC‐derived precipitation (P) in surface water (SW) and groundwater (GW) reservoirs are still lacking. We tested the three main assumptions of the isotope storm “spike” hypothesis (sudden spikes in isotopic ...
Ricardo Sánchez‐Murillo   +38 more
wiley   +1 more source

Bacterial Exopolysaccharides as Reducing and/or Stabilizing Agents during Synthesis of Metal Nanoparticles with Biomedical Applications

open access: yesInternational Journal of Polymer Science, Volume 2018, Issue 1, 2018., 2018
Bacterial exopolysaccharides (EPSs) are biomolecules secreted in the extracellular space and have diverse biological functionalities, such as environmental protection, surface adherence, and cellular interactions. EPSs have been found to be biocompatible and eco‐friendly, therefore making them suitable for applications in many areas of study and ...
Carlos Enrique Escárcega-González   +4 more
wiley   +1 more source

La innovación como Política de Estado: Las vinculaciones entre Educación Superior y Desarrollo. [PDF]

open access: yes, 2010
El presente trabajo analiza las vinculaciones posibles y esperables en la configuración de un proyecto de innovación para el desarrollo de los países de América Latina.
Cuello, Constanza   +2 more
core  

Soil development and ancient Maya land use in the tropical karst landscape: Case of Busiljá, Chiapas, México

open access: yesSoil Science Society of America Journal, Volume 88, Issue 5, Page 1561-1582, September/October 2024.
Abstract The soil mantle of the tropical karstic landscapes of Southern Mexico was shaped by specific processes of pedogenesis and long‐term human impacts of ancient Maya agriculture. To understand the interaction between natural and human‐induced soil‐forming processes in the calcareous mountains of Chiapas state, we studied soil toposequences around ...
P. García‐Ramírez   +9 more
wiley   +1 more source

Selection on a behaviour‐related gene during the first stages of the biological invasion pathway

open access: yesMolecular Ecology, Volume 26, Issue 21, Page 6110-6121, November 2017., 2017
Abstract Human‐induced biological invasions are common worldwide and often have negative impacts on wildlife and human societies. Several studies have shown evidence for selection on invaders after introduction to the new range. However, selective processes already acting prior to introduction have been largely neglected.
Jakob C. Mueller   +7 more
wiley   +1 more source

Reseña de Open Islamicate Texts Initiative (OpenITI)

open access: yesRevista de Humanidades Digitales, 2019
En este texto se reseña una de las principales iniciativas en Humanidades Digitales relacionadas con los estudios islámicos clásicos. OpenITI consiste en un corpus de textos islámicos pre-modernos que pretende establecer la infraestructura tecnológica ...
Abdenour Padillo Saoud
doaj   +1 more source

Potenciando la competitividad logística de Panamá

open access: yesVisión Antataura
Para fortalecer la competitividad de Panamá como hub logístico global, este estudio emprende una ingeniería inversa del sistema de transporte terrestre panameño, con el objetivo de identificar oportunidades de optimización y fortalecer su integración ...
Juan Asterio Castillo-Salamín
doaj   +1 more source

La Sociedad de la Información, un desafío cultural [PDF]

open access: yes, 2005
Infociudad es el espacio informacional donde los humanos de sociedades desarrolladas, mediante terminales con botones, teclas, pantallas, contraseñas e identificadores varios, se comunican y llevan a cabo una parte creciente de sus actividades ...
Sáez Vacas, Fernando
core  

Digital inclusion and the internet of things: Convenience and the choice‐compulsion continuum

open access: yesPolicy &Internet, Volume 16, Issue 2, Page 272-293, June 2024.
Abstract The internet of things (IoT) holds forth much promise and peril. IoT promises to increase efficiencies needed to solve wicked problems like climate change. However, IoT may also reinforce existing problems such as social inequalities long associated with the digital divide.
Lisa M. Frehill
wiley   +1 more source

LA GESTIÓN DEL CONOCIMIENTO CIENTÍFICO Y TECNOLÓGICO Y LAS DEMANDAS REGIONALES Los dos dilemas de la universidad pública [PDF]

open access: yes, 2007
El siglo XXI plantea dos desafíos complementarios a la gestión universitaria para la investigación y la extensión. . El primero es priorizar resultados concretos en términos de patentes registradas y de “spin-off”, impulsando, además, una política ...
Cullen, Patricio Alberto
core  

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