Results 21 to 30 of about 64,107 (258)

Medi ambient a Coatzacoalcos, Veracruz, México [PDF]

open access: green, 2005
El passat 22 de desembre de 2004, els habitants de l'estat de Veracruz, Mèxic, i del país en el seu conjunt, ens vam assabentar que el poliducte de Petróleos Mexicanos (la companyia petroliera mexicana), que corre de Nuevo Teapa, Tabasco cap a Poza Rica,
Morosini, Francisco
core   +2 more sources

Comparative Responses of Self-Regulated Exercise, Thermoregulation, and Neuromuscular Function to Monophasic Oral Contraceptives Across One Menstrual Cycle. [PDF]

open access: yesEur J Sport Sci
ABSTRACT This study investigated the effect of monophasic oral contraceptive (OC) use on self‐paced cycling performance, thermoregulation, and skeletal muscle strength and contractile properties in healthy women. Eight physically active women performed 30 min fixed intensity cycling at 50% Wmax, followed by a 30 min self‐paced time trial (TT) with each
James K, Cannon J, Marino FE.
europepmc   +2 more sources

Alkaloid Profile in Wild Autumn-Flowering Daffodils and Their Acetylcholinesterase Inhibitory Activity

open access: yesMolecules, 2023
Amaryllidaceae alkaloids are secondary metabolites with interesting medicinal properties. Almost every Narcissus species can synthesize them and constitute an excellent source for their isolation and study.
Julia Lisa-Molina   +8 more
doaj   +1 more source

Domestic urban water rate structure and water prices in Mallorca, Balearic Islands

open access: yesBoletín de la Asociación de Geógrafos Españoles, 2018
Water rate structures were analysed to assess water prices per unit of water consumed in the domestic urban sector. Water prices and variability are set in spatial context and patterns are analysed on the background of municipal urban and tourist ...
Angela Hof   +2 more
doaj   +5 more sources

Phage-Mediated Explosive Cell Lysis Induces the Formation of a Different Type of O-IMV in Shewanella vesiculosa M7T

open access: yesFrontiers in Microbiology, 2021
Shewanella vesiculosa M7T is a cold-adapted Antarctic bacterium that has a great capacity to secrete membrane vesicles (MVs), making it a potentially excellent model for studying the vesiculation process. S.
Nicolás Baeza   +3 more
doaj   +1 more source

Medio siglo de cambios paisajísticos en la montaña mediterránea. Percepción y valoración social del paisaje en la alta Garrotxa (Girona)

open access: yesPirineos: Revista de Ecología de Montaña, 2009
El despoblamiento rural y el abandono de la actividad agraria han originado una intensa transformación de los paisajes característicos de las montañas mediterráneas.
J. Vila Subirós   +3 more
doaj   +1 more source

Dinámica erosiva y aplicabilidad de modelos físicos de erosión en una cuenca de montaña mediterránea (Ribera Salada, Cuenca del Segre, Lleida, España)

open access: yesPirineos: Revista de Ecología de Montaña, 2000
[fr] On étudie la dynamique d'érosion de la surface du sol dans quelques versants de montagne de la source de la Ribera Salada (bassin du Sègre) en testant les modèles EROSION2D et EUROSEM. Trois usages du sol ont été différenciés: (1) Sous-bois du chêne
J. M. Verdú, R. J. Batalla, R. Mª Poch
doaj   +1 more source

Issues in System Boundary Definition for Substance Flow Analysis: The Case of Nitrogen Cycle Management in Catalonia

open access: yesThe Scientific World Journal, 2001
The great complexity of the nitrogen cycle, including anthropogenic contributions, makes it necessary to carry out local studies, which allow us to identify the specific cause-effect links in a particular society. Models of local societies that are based
Jordi Bartrola   +2 more
doaj   +1 more source

Monitorizacion de los cambios de uso del suelo en la cabecera de cuenca de la ribera salada mediante fotografía aérea y S.I.G. (El Solsonès, Lleida, España)

open access: yesPirineos: Revista de Ecología de Montaña, 1999
[es] Durante estos últimos 50 años ha tenido lugar un abandono de las masías y de los cultivos tradicionales en los Prepirineos catalanes. En este trabajo se han estudiado los cambios de usos del suelo desde los años 50 hasta la actualidad en una cuenca
J. M. Ubalde, J. Rius, R. M. Poch
doaj   +1 more source

Chemical Survey of Three Species of the Genus Rauhia Traub (Amaryllidaceae)

open access: yesPlants, 2022
Plant biodiversity is an important source of compounds with medicinal properties. The alkaloid galanthamine, first isolated from Galanthus woronowii (Amaryllidaceae), is approved by the FDA for the palliative treatment of mild to moderate Alzheimer’s ...
Luciana R. Tallini   +7 more
doaj   +1 more source

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