Results 61 to 70 of about 44,930 (216)

Salicylic Acid Mitigates Lead-Induced Stress in the Endangered Shrub Cistus heterophyllus subsp. carthaginensis

Agronomy
Lead (Pb) contamination severely threatens plant health and biodiversity, particularly in mining-affected ecosystems. The phytohormone, salicylic acid (SA), plays a crucial role in regulating plant stress responses. Here, the effect of SA supplementation
Antonio López-Orenes, María A. Ferrer, Antonio A. Calderón   +2 more
doaj   +1 more source

Drought-Adaptive Mechanisms of Young Sweet Cherry Trees in Response to Withholding and Resuming Irrigation Cycles

Agronomy, 2021
The present work evaluates the main adaptive mechanisms developed by young sweet cherry trees (Prunus avium L.) to cope with drought. For this purpose, the young trees were subjected to two drought cycles with different water stress intensities followed ...
Pedro José Blaya-Ros, Víctor Blanco, Roque Torres-Sánchez, Rafael Domingo   +3 more
doaj   +1 more source

Rat models of fetal alcohol spectrum disorders for studying the critical role of cerebellar damage: A scoping review

Alcohol, Clinical and Experimental Research, Volume 49, Issue 9, Page 1855-1876, September 2025.
In rat models used to study the effects of early alcohol exposure on cerebellum function and structure during pregnancy and lactation, the following conclusions can be drawn: (1) Exposure to ethanol during the first and second‐trimester equivalent in humans affects biochemical pathways in the cerebellum, but produces fewer structural changes.
Fátima Nogales, Karick Jotty, Diego Pascual‐Vaca, María del Carmen Gallego‐López, Olimpia Carreras, María Luisa Ojeda   +5 more
wiley   +1 more source

A Minimum Cost Design Approach for Steel Frames Based on a Parallelized Firefly Algorithm and Parameter Control

Applied Sciences, 2023
In this work, the applicability of a Firefly Algorithm (FA) to the real problem of the minimum cost of a detailed design for steel frames is studied. To reduce the calculation time, which is a common problem of meta-heuristic algorithms when they are ...
Gregorio Sánchez-Olivares, Antonio Tomás, Salvador García-Ayllón   +2 more
doaj   +1 more source

Group-quantization of non-linear sigma models: particle on S^2 revisited

, 2008
We present the quantum mechanics of "partial-trace" non-linear sigma models, on the grounds of a fully symmetry-based procedure. After the general scheme is sketched, the particular example of a particle on the two-sphere is explicitly developed.
Aldaya, Aldaya, Aldaya, Aldaya, F.F. López-Ruiz, Guerrero, J. Guerrero, Kleinert, Kleinert, Kowalski, Kowalski, Lévy-Leblond, M. Calixto, Neves, Saletan, Scardicchio, V. Aldaya   +16 more
core   +1 more source

Alfonso de Cartagena y su influencia en el origen y escritura de "Arboleda de los enfermos", de su sobrina Teresa de Cartagena

Epos : Revista de filología, 2023
Esta investigación quiere resaltar la importante —y hasta ahora no estudiada— influencia que sobre la obra de Teresa de Cartagena tuvo su tío, el obispo Alfonso de Cartagena, miembro de una importante familia de judeoconversos. Ello es perceptible en la común presencia en sus obras del pensamiento de Séneca; aunque, en el caso de Teresa, hay una cierta
openaire   +1 more source

Effect of the Cathodic Gas Diffusion Layer on the Performance of a Proton Exchange Membrane Electrolyzer

Energies
Hydrogen production through electrolysis using renewable resources is highly promising for reducing greenhouse gas emissions. While significant efforts have focused on developing more efficient and cost-effective catalysts to lower hydrogen production ...
Daniela Lorena Canelas Montaño, Pablo Ruiz García, Andrés Jerez Navarro, Modesto Aguirre Gomez, José Javier López Cascales   +4 more
doaj   +1 more source

GROWING THE ENDANGERED SPECIES Astragalus nitidiflorus IN THE NURSERY: FERTILIZATION RATE AFFECTS GROWTH, AND LEAF NUTRIENT AND CHLOROPHYLL CONTENTS

Acta Scientiarum Polonorum: Hortorum Cultus, 2019
Astragalus nitidiflorus is an endangered legume endemic to the southeast of the Iberian Peninsula. This species develops symbiotic relationships with N-fixing bacteria. However, the problem of isolating its rhizobia has not been solved.
Maria José Vicente, Juan José Martínez-Sánchez, José Antonio Franco, Sebastián Bañón   +3 more
doaj   +1 more source

Sampling Theorem and Discrete Fourier Transform on the Riemann Sphere [PDF]

, 2008
Using coherent-state techniques, we prove a sampling theorem for Majorana's (holomorphic) functions on the Riemann sphere and we provide an exact reconstruction formula as a convolution product of $N$ samples and a given reconstruction kernel (a sinc ...
A. Ben-Israel, A. Grossmann, A. Kyatkin, A. Kyatkin, A. Perelomov, B. Sury, D. Healy Jr., D. Maslen, D. Maslen, E. Majorana, E.P. Wigner, G.S. Chirikjian, H. Führ, J. C. Sánchez-Monreal, J. Guerrero, J.R. Driscoll, J.R. Klauder, J.W. Cooley, M. Calixto, M. Calixto, M. Holschneider, M.R. Dennis, P. Diaconis, P.J. Davis, S.T. Ali, V. Bargmann   +25 more
core   +3 more sources

Playing by the Rules: Is Business Formality Driving Economic Growth? Evidence From Colombia's Capital Cities

Growth and Change, Volume 56, Issue 2, June 2025.
ABSTRACT This paper contributes to the literature on the effects of institutions on economic growth by addressing a topic that has been little explored. Specifically, it uses Colombia's capital cities as a case study for the period 2007–2020 to examine the impact of business formality on local economic performance.
Adolfo Maza, José Alfonso Sáenz‐Zapata   +1 more
wiley   +1 more source