Results 11 to 20 of about 576,175 (291)

Phenolic content variability and its chromosome location in tritordeum

open access: yesFrontiers in Plant Science, 2014
For humans, wheat is the most important source of calories, but it is also a source of antioxidant compounds that are involved in the prevention of chronic disease.
Fernando ePistón   +5 more
doaj   +1 more source

Validation of the Spanish version of the Amsterdam Preoperative Anxiety and Information Scale (APAIS)

open access: yesHealth and Quality of Life Outcomes, 2017
Background Preoperative anxiety is a frequent and challenging problem with deleterious effects on the development of surgical procedures and postoperative outcomes.
Manuel Vergara-Romero   +5 more
doaj   +1 more source

EVALUACIÓN DE LA PRESENCIA DE LAS MICOTOXINAS ZEARALENONA Y AFLATOXINA TOTAL EN ARROZ SIN CÁSCARA EN LAS PROVINCIAS DE MAYOR PRODUCCIÓN DE ECUADOR

open access: yesinfoANALITÍCA, 2021
El arroz es un cultivo de importancia en Ecuador y uno de los cereales más consumidos en este país. Sin embargo, bajo ciertas condiciones, puede contaminarse y contener toxinas exógenas como las micotoxinas.
Andrea Martínez   +11 more
doaj   +1 more source

Dissecting the integrative antioxidant and redox systems in plant mitochondria. Effect of stress and S-nitrosylation.

open access: yesFrontiers in Plant Science, 2013
Mitochondrial respiration provides the energy needed to drive metabolic and transport processes in cells. Mitochondria are a significant site of reactive oxygen species (ROS) production in plant cells, and redox-system components obey fine regulation ...
Juan José Lázaro   +7 more
doaj   +1 more source

Condiciones a mesoescala que favorecen la lluvia localmente intensa bajo influencia anticiclónica

open access: yesRevista Cubana de Meteorología, 2021
Las precipitaciones localmente intensas afectan directamente a la agricultura; además, interfieren de forma negativa en el transporte, la inmobiliaria y significan la pérdida, en ocasiones, de vidas humanas.
Orelvis Valdés-Lorenzo   +2 more
doaj  

Delimitación espacial de las zonas probables de salida de aludes en el macizo de Peñalara mediante el uso de SIG = Spatial delimitation of the possible output zones of avalanches in the Peñalara massif using GIS techniques

open access: yesEspacio, Tiempo y Forma. Serie VI, Geografía, 2015
Las zonas de montaña presentan una exposición natural a ciertos riesgos naturales entre los que se encuentra el desencadenamiento de aludes. A pesar de que nuestro país no presenta, en general, un riesgo elevado de desencadenamiento de aludes, el número ...
José Antonio Fernández-Cañadas López-Peláez   +2 more
doaj   +1 more source

An alternative model in the provision of CPAP in sleep apnea: a comparative cost analysis

open access: yesBMC Health Services Research, 2021
Background To conduct a pilot study on an alternative model for the provision of respiratory therapies in sleep apnea-hypopnea syndrome (SAHS) by internalizing the service with the purchase, monitoring and control of continuous positive airway pressure ...
Demetrio Gonzalez-Vergara   +5 more
doaj   +1 more source

Biochar increases soil N2O emissions produced by nitrification-mediated pathways

open access: yesFrontiers in Environmental Science, 2014
In spite of the numerous studies reporting a decrease in soil nitrous oxide (N2O) emissions after biochar amendment, there is still a lack of understanding of the processes involved.
María eSánchez-García   +3 more
doaj   +1 more source

Influence of targeted observations on short-term forecasts of high-impact weather events in the Mediterranean [PDF]

open access: yesNatural Hazards and Earth System Sciences, 2013
The influence of targeted observations on short-range forecasts is tested over two different periods of PREVIEW (2008) and MEDEX (2009) data targeting field campaigns for a set of Mediterranean high-impact weather events. As targeted observations we have
J. Campins   +3 more
doaj   +1 more source

Tan antiguos como su misma creación, mitos de las vacunas y la vacunación

open access: yesARS Medica, 2021
Estudios científicos coinciden en que la vacunación ha sido uno de los diez principales logros de la salud pública en el siglo XX (CDC Estados Unidos, 1999).
José Crisóstomo   +3 more
doaj   +1 more source

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