Results 11 to 20 of about 6,873 (197)

Arginine as the sole nitrogen source for Ostreococcus tauri growth: Insights on nitric oxide synthase enzyme

open access: yesFrontiers in Marine Science, 2022
IntroductionPhotosynthetic organisms respond to nitrogen (N) deprivation with the slowdown of photosynthesis and electron transport resulting in the balance the carbon (C)/N ratio.
Noelia Foresi   +7 more
doaj   +1 more source

Crecimiento del pez ornamental Hemichromis bimaculatus (Cichlidae) en un Sistema de Recirculación de Agua, con incorporación en el alimento de residuos industriales y algas

open access: yesTecnología y Ciencia, 2021
El presente trabajo tuvo como objetivo evaluar el crecimiento de juveniles del pez ornamental  H. bimaculatus, Cichlidae, utilizando residuos industriales de langostino argentino y cebada cervecera, con complemento de algas en el alimento.
María Marta Pérsico   +9 more
doaj   +1 more source

Morphological variation in atlas and axis of Neotropical spiny rats (Rodentia, Echimyidae)

open access: yesThe Anatomical Record, EarlyView.
Abstract The unique morphologies of the first two cervical vertebrae, the atlas and axis, represent a significant innovation in mammalian evolution. These structures support the weight of the head and enable intricate movements of the head and neck.
Thomas Furtado da Silva Netto   +3 more
wiley   +1 more source

Inhibitory processes and cognitive flexibility: evidence for the theory of attentional inertia

open access: yesInternational Journal of Psychological Research, 2015
The aim of this study was to discriminate the differential contribution of different inhibitory processes -perceptual, cognitive and behavioral inhibition- to switching cost effect associated with alternation cognitive tasks.
Isabel Introzzi   +4 more
doaj   +1 more source

Mar del Plata. El ocio cinético.

open access: yesAnales del Instituto de Arte Americano e Investigaciones Estéticas "Mario J. Buschiazzo", 2022
Este trabajo parte de entender el rol decisivo de la movilidad, entendida como una práctica social de desplazamiento en el territorio en la que se aúnan requerimientos y capaci­dades de dar respuesta a los mismos, en la conformación, la experiencia vivida y la percepción del paisaje costero de Mar del Plata.
Claudio Erviti, Adriana Olivera
openaire   +1 more source

The influence of rivers on seabird foraging ecology

open access: yesBiological Reviews, EarlyView.
ABSTRACT Rivers act as vital arteries to the world's oceans, delivering fresh water and nutrients that sustain marine ecosystems. Globally, river flow increasingly is being altered by climate change and anthropogenic pressures; yet the significance of rivers to predatory marine species, such as seabirds, and the extent to which river‐related changes ...
Julia B. Morais   +2 more
wiley   +1 more source

Una secuencia didáctica para favorecer la conversión de representaciones semióticas de curvas y regiones del plano complejo

open access: yesUniciencia, 2018
En este trabajo se presentan la descripción, y los resultados de la implementación de una secuencia didáctica orientada a favorecer la habilidad de efectuar conversiones de representaciones de curvas y regiones del plano complejo, desde el registro ...
María-Andrea Aznar   +3 more
doaj   +1 more source

Health Biomarkers of Pesticide Exposure in Rural Populations of Santa Fe, Argentina: Oxidative Stress and Genotoxicity

open access: yesJournal of Applied Toxicology, EarlyView.
ABSTRACT The present study aimed to quantify pesticide residues in environmental matrices and plasma and to evaluate their potential effects on oxidative stress and DNA damage in rural populations of Santa Fe province. Soil and rainwater samples were collected, and biological samples and semistructured surveys were obtained from volunteers in three ...
María Priscila Dechiara   +4 more
wiley   +1 more source

PLL-less Robust DeadBeat-response Direct Power Control of Grid-Tie Three-Phase Inverters

open access: yesRevista Iberoamericana de Automática e Informática Industrial RIAI, 2015
A new type of PLL-less Direct Power Control with robust implementation and deadbeat response is presented for grid-tie inverters. In this work a novel positive sequence detector is also implemented which ensures the elimination of perturbation at the ...
J.R. Fischer   +4 more
doaj   +1 more source

Sunshine Duration in Brazil From Meteosat (1983–2020): Climatology, Variability and Long‐Term Trends

open access: yesInternational Journal of Climatology, EarlyView.
Using nearly four decades of Meteosat satellite data (1983–2020), this study presents a country‐wide climatology of sunshine duration (SDU) in Brazil. The results reveal marked regional contrasts, dominant modes of variability, and significant long‐term trends, providing new information on the most relevant meteorological systems that influence SDU and
Maria Lívia Lins Mattos Gava   +2 more
wiley   +1 more source

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