Results 21 to 30 of about 7,592 (177)

Advanced pathway engineering for phototrophic putrescine production

open access: yesPlant Biotechnology Journal, Volume 20, Issue 10, Page 1968-1982, October 2022., 2022
Summary The polyamine putrescine (1,4‐diaminobutane) contributes to cellular fitness in most organisms, where it is derived from the amino acids ornithine or arginine. In the chemical industry, putrescine serves as a versatile building block for polyamide synthesis.
Robert A. Freudenberg   +4 more
wiley   +1 more source

Understanding the trophic relationships amongst arthropods in olive grove by δN15 and δC13 stable isotope analysis

open access: yesJournal of Applied Entomology, Volume 146, Issue 4, Page 372-384, May 2022., 2022
Abstract So far the limited knowledge about the diet of omnivores and generalist predators in olive groves has not allowed the clarification of their role as natural enemies. Stable isotope (δN15 and δC13) analysis is a useful tool for predicting the trophic position of a high number of species, the variety of basal resources and the flux of energy in ...
Marina Morente, Francisca Ruano
wiley   +1 more source

Maestres versus caballeros. La disidencia frente al poder en la orden de Calatrava  (siglos XII-XV)

open access: yesNuevo mundo - Mundos Nuevos, 2009
The military order of Calatrava was one of the most important institutions of the kingdom of Castile during the Middle Ages. Thanks to the support of the monarchy it acquired a notable power.
Enrique Rodríguez-Picavea
doaj   +1 more source

CO2 and Rn degassing from the natural analog of Campo de Calatrava (Spain): Implications for monitoring of CO2 storage sites [PDF]

open access: yes, 2015
Natural analogs offer a valuable opportunity to investigate the long-term impacts associated with thepotential leakage in geological storage of CO2.Degassing of CO2and radon isotopes (222Rn?220Rn) from soil, gas vents and thermal water dischargeswas ...
Caballero, Juan   +6 more
core   +3 more sources

Gonzalo Núñez de Guzmán, maestre de Alcántara y de Calatrava, al servicio de la corona de Castilla y León

open access: yesEspacio, Tiempo y Forma. Serie III, Historia Medieval, 2012
Gonzalo Núñez de Guzmán fue comendador y maestre de la Orden Militar de Alcántara (1385) y después ocupó el maestrazgo de la Orden Militar de Calatrava desde el citado año hasta su muerte en 1404.
Blas Casado Quintanilla
doaj   +1 more source

Castilserás : de encomienda calatraveña a patrimonio de la Corona

open access: yesEspacio, Tiempo y Forma. Serie III, Historia Medieval, 2004
La Dehesa de Castilserás, zona de escaso valor económico, pero de gran valor estratégico, por su situación junto a las minas de Almadén, tuvo un peculiar proceso histórico convirtiéndose en aneja a las minas y manteniendo una situación de relativa ...
Remedios Morán Martín
doaj   +1 more source

Current status of las tablas de daimiel national park wetland and actions required for conservation [PDF]

open access: yes, 2019
Wetlands are complex ecosystems that play multiple roles. ‘Las Tablas de Daimiel National Park’ (TDNP) undoubtedly plays a role in several ecosystem services and provides a connection between nature, farmers, scientists, residents, and other stakeholders.
Bravo-Martin, Sandra   +3 more
core   +2 more sources

Hydroclimate variability from western Iberia (Portugal) during the Holocene: insights from a composite stalagmite isotope record [PDF]

open access: yes, 2020
© The Author(s), 2020. This article is distributed under the terms of the Creative Commons Attribution License. The definitive version was published in Thatcher, D. L., Wanamaker, A. D., Denniston, R. F., Asmerom, Y., Polyak, V.
Asmerom, Yemane   +9 more
core   +3 more sources

El derecho procesal durante el reinado de los Reyes Católicos y su reflejo en "Fuenteovejuna"

open access: yesEspacio, Tiempo y Forma. Serie III, Historia Medieval, 1999
El presente trabajo versa sobre los aspectos jurídicos y procesales que figuran en la obra «Fuenteovejuna», vistos desde el sistema normativo vigente bajo el reinado de los Reyes Católicos, periodo en el cual se desarrollan los acontecimientos, y en el ...
Marino de la Llana Vicente
doaj   +1 more source

Effect of Vinyl Flooring on the Modal Properties of a Steel Footbridge [PDF]

open access: yes, 2019
Damping ratios associated with non structural elements play an important role in mitigating the pedestrian-induced vibrations of slender footbridges.
Hernández Díaz, Alejandro Mateo   +3 more
core   +1 more source

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