Results 41 to 50 of about 677,452 (173)

Reparación del sistema de alimentación [PDF]

open access: yes, 1992
En esta cartilla instruccional podrá encontrar la constitución y el funcionamiento del sistema de alimentación con carburador, así como las causas de las fallas más frecuentes y el proceso de reparación de este.In this instruction book you can find the ...
Perea, Norman
core  

Foraging plasticity and physiological adaptations enable hummingbirds to subsist on dilute nectars

open access: yesFunctional Ecology, EarlyView.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Hummingbirds frequently feed on small volumes (<30 μL) of sucrose‐rich nectars. Climate change is expected to affect both the abundance and the concentrations of accumulated nectar.
Rosalee L. Elting   +5 more
wiley   +1 more source

Estado actual del cultivo de larvas del pargo flamenco (Lutjanus guttatus)

open access: yesLatin American Journal of Aquatic Research, 2015
El pargo flamenco (Lutjanus guttatus) es un pez marino con alta demanda en los mercados de algunos países de Latinoamérica. Debido a su importancia se inició su cultivo en jaulas flotantes usando juveniles silvestres.
María Isabel Abdo-de la Parra   +4 more
doaj   +1 more source

Flume experiments on the equilibrium of sand-gravel bed rivers [PDF]

open access: yes, 2019
Se describe una instalación de laboratorio que permite realizar ensayos en canal con alimentación separada de arena y grava, como es caracterísitico de los lechos de muchos ríos. Se hacen ensayos de gran duración, en que el transporte como carga de fondo
Martín Vide, Juan Pedro   +1 more
core   +3 more sources

Disentangling Multitrophic Interactions: How Vegetation Cover, Wild Boar, Deer, and Predators Shape Rodents Activity and Acorn Dispersal

open access: yesIntegrative Zoology, EarlyView.
Vegetation cover promotes rodent activity and acorn dispersal, while wild boars exert a direct negative effect on mice. Conversely, deer and predators displayed no significant impact on rodent behavior. These results identify wild boars as the main disruptors of rodent‐mediated forest regeneration.
David Notario Rincón   +9 more
wiley   +1 more source

MODIFIED STAINING FOR OBSERVATION OF FLAGELLA IN Bacillus amyloliquefaciens BY OPTICAL MICROSCOPY

open access: yesTropical and Subtropical Agroecosystems, 2021
Background: Bacillus amyloliquefaciens is a plant growth-promoting rhizobacterium and produces several secondary metabolites with antimicrobial activity. One of its most important morphological characteristics is the presence of flagella.
Nancy Ley López   +4 more
doaj   +1 more source

Dendrimeric Antigens for Passive Mast Cell Activation in the Evaluation of Amoxicillin Allergy

open access: yesAllergy, EarlyView.
DeAns with defined nanoscale structure reveal that conjugate size and determinant density govern IgE‐mediated effector‐cell activation in AX allergy. All DeAn generations bind to sIgE in inhibition immunoassay, but only larger DeAns trigger FcεRI‐dependent responses in mouse MC, huRBL‐2H3, and LUVA cells.
Amene Tesfaye Ayane   +12 more
wiley   +1 more source

Estudio de residuos tóxicos en tejidos animales destinados al consumo

open access: yesRevista Científica, 2010
Durante las dos ultimas décadas se ha venido dando una marcada revolución científica en la agricultura, en la cual la tecnología química ha jugado un papel muy importante. Los químicos de fuentes variadas pueden entrar a la cadena alimenticia, incluyendo
Luz Vázquez Moreno   +5 more
doaj  

Delivery of nano‐formulated drugs to solid tumours is selectively increased by co‐application of the vascular disrupting agent CA4P

open access: yesBritish Journal of Pharmacology, EarlyView.
Background and purpose Nano‐formulated chemotherapeutics prolong systemic availability of drugs and can reduce systemic toxicity, but their accumulation in solid tumours is often limited and unpredictable. Broadly applicable strategies to selectively enhance tumour delivery are lacking.
Annabel Kitowski   +13 more
wiley   +1 more source

Overlap of nonbreeding wandering albatrosses with fisheries and implications for colony‐specific population trajectories at South Georgia

open access: yesConservation Biology, EarlyView.
Abstract Bycatch in fisheries is one of the most serious threats to pelagic seabirds, causing major population declines. Mitigation measures can reduce bycatch substantially, but many fisheries fail to apply best practices, and seabird mortality remains high.
V. Warwick‐Evans   +2 more
wiley   +1 more source

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