Results 11 to 20 of about 655,997 (257)

Oregano essential oils: Antimicrobial activity and its application to films based on cornstarch and glycerol [PDF]

open access: yes, 2014
This trend has led to research on the development of new biodegradable packaging materials from natural polymers also suggests that several materials may be incorporated into edible films and have influence on the mechanical, protective and sensory ...
Alfaro, Cristina   +7 more
core   +1 more source

A new record of fossil wood of Vochysiaceae from the Upper Pleistocene (Arroyo Feliciano Formation), Argentina, South America [PDF]

open access: yes, 2015
A new species of Qualeoxylon Suguio & Mussa is described from the Late Pleistocene Arroyo Feliciano Formation of the Gualeguay Basin on eastern Argentina.
Brea, Mariana, Moya, Eliana Vanesa
core   +1 more source

Oviposition in the blood-sucking insect Rhodnius prolixus is modulated by host odors [PDF]

open access: yes, 2015
Background: Triatomine bugs are blood-sucking insects, vectors of Chagas disease. Despite their importance, their oviposition behavior has received relatively little attention. Some triatomines including Rhodnius prolixus stick their eggs to a substrate.
Guerenstein, Pablo Gustavo   +1 more
core   +1 more source

Paisaje hídrico y sostenibilidad urbana

open access: yesRevistArquis, 2016
La ciudad debe ser reconocida como parte de la naturaleza y diseñada, en consecuencia, comprendiendo las conexiones entre paisaje y ciudad que son funcionales, sostenibles, significantes y poseedores de arte y belleza.
Mario Esteban del Castillo Oyarzún   +1 more
doaj   +1 more source

Hidrología mítica wixarika

open access: yesRevista de Dialectología y Tradiciones Populares, 2017
El artículo describe y analiza la mitología wixarika acerca de los ríos, las aguas marítimas y las precipitaciones pluviales. Asimismo, aborda las preocupaciones que suscita, en dicha mitología, la construcción de dos presas hidroeléctricas: una que ya ...
Héctor M. Medina Miranda
doaj   +1 more source

La agricultura prehispánica en las punas de Junín

open access: yesAllpanchis, 1980
Desde hace una década estamos trabajando en la cuenca hidrográfica del Río Mantaro, sierra central del Perú. Este río, en su cauce, entre sus nacientes en la laguna de Chinchaycocha y la desembocadura sobre el río Ene, atraviesa por tres ecosistemas ...
Ramiro Matos
doaj   +1 more source

Flora algal de la cuenca del río Guadalquivir: Su valor en la determinación de la ecorregionalización de la cuenca [PDF]

open access: yes, 2018
In compliance with the Water Framework Directive of the European Union, we needed to diagnose the ecologic quality of the different sections of the rivers of the Guadalquivir basin. In order to establish a regional classification of the water bodies by a
Casco, Maria Adela   +5 more
core   +2 more sources

Morfología de la lavandera cascadeña Motacilla cinerea L., 1758 en Gipuzkoa (región cantábrica). [PDF]

open access: yesMunibe Ciencias Naturales, 2020
El objetivo de este artículo es describir la morfología de la lavandera cascadeña Motacilla cinerea L., 1758 (y en particular su variación según sexos y clases de edad) en Gipuzkoa.
Nerea Pagaldai   +6 more
doaj  

Spatio-temporal risk assessment models for Lobesia botrana in uncolonized winegrowing areas [PDF]

open access: yes, 2019
The objective of this work was to generate a series of equations to describe the voltinism of Lobesia botrana in the quarantine area of the main winemaking area of Argentina, Mendoza.
Aceñolaza, Pablo Gilberto   +2 more
core   +2 more sources

A quantitative approach to weighted Carleson Condition [PDF]

open access: yes, 2016
Quantitative versions of weighted estimates obtained by F. Ruiz and J.L. Torrea in the 80's for the operator \[ \mathcal{M}f(x,t)=\sup_{x\in Q,\,l(Q)\geq t}\frac{1}{|Q|}\int_{Q}|f(x)|dx \qquad x\in\mathbb{R}^{n}, \, t \geq0 \] are obtained.
Rivera-Ríos, Israel P.
core   +4 more sources

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