Results 41 to 50 of about 1,369 (204)

Global Model Estimates of Atmospheric Al, Ca, Fe, Si, and Ti From Dust and Non‐Dust Aerosols Informed by EMIT Surface Mineralogy and Evaluated Against Observations

open access: yesGlobal Biogeochemical Cycles, Volume 40, Issue 5, May 2026.
Abstract Atmospheric deposition of micro‐nutrients like Fe has been shown to be important for ocean biogeochemistry. The largest source of atmospheric Fe and other elements (e.g., Ca, Al, Si, and Ti) is desert dust, although there are significant non‐dust sources in some regions (e.g., combustion, sea salts, volcanoes). However, past estimates of these
Natalie M. Mahowald   +61 more
wiley   +1 more source

Efecto del estrés sobre la calidad seminal del titi gris (Saguinus leucopus) bajo condiciones de cautiverio. [PDF]

open access: yes, 2012
Se realizó el intento de colecta de semen mediante la técnica de estimulación vibratoria del pene (EVP) a quince (15) especímenes de tití gris (Saguinus leucopus) bajo condiciones de cautiverio en cuatro sitios a nivel nacional, con el objetivo de llevar
Poches Franco, Robin Andrés
core  

Efecto de la suplementación con vitaminas liposolubles sobre los patrones de movilidad y cinética en semen de verraco

open access: yesRevista de Iniciación Científica, 2023
La suplementación vitamínica es importante para optimizar el potencial reproductivo del verraco. El objetivo de este estudio fue evaluar la calidad seminal del eyaculado de verracos suplementados con vitaminas liposolubles y el efecto de la durabilidad ...
Francisco Sevilla-Benavides   +3 more
doaj   +1 more source

Vegetal residue‐based formulation of Trichoderma ossianense, a new indigenous vineyard species adapted to alkaline pH with potential biocontrol ability against Black‐foot disease pathogens

open access: yesPest Management Science, Volume 82, Issue 4, Page 2910-2924, April 2026.
The study identifies Trichoderma ossianense, was can be isolated from grapevine roots, is capable of growing at alkaline pH and controls black‐foot pathogens, highlighting the vegetal residue‐based formulations that preserve its viability. Abstract BACKGROUND Fungi of the Trichoderma genus are used in vineyards as biological control agents mainly ...
Laura Zanfaño   +7 more
wiley   +1 more source

Proteínas del plasma seminal y calidad espermática de toros Romosinuano y Costeño con Cuernos

open access: yes, 2022
The aim of this study was to determine by SDS PAGE the protein profile of the seminal plasma of Romosinuano (ROMO) and Costeño con Cuernos (CCC) bulls and their relationship with sperm quality parameters in fresh and thawed semen.
Cardozo C., Jaime   +6 more
core   +1 more source

Evaluación de diferentes crioprotectores para la crioconservación de espermatozoides de yamú (Brycon amazonicus) Evaluation of different cryoprotectors for cryopreservation of yamú (Brycon amazonicus) spermatozoa

open access: yesRevista Colombiana de Ciencias Pecuarias, 2006
El uso de dimetilsulfoxido (DMSO), etilenglicol (ETG), propilenglicol (PPG) y metanol (MET) para la crioconservación de semen de yamú (Brycon amazonicus - Spix & Agassiz 1829) fue evaluado con el objetivo de determinar la calidad post-descongelación y la
Pablo E Cruz Casallas   +2 more
doaj  

Adición de proteínas del plasma seminal ovino durante la congelación del espermatozoide y efectos sobre su motilidad y viabilidad

open access: yesCiencia y Tecnología Agropecuaria, 2009
Este estudio se adelantó para evaluar el efecto de la adición de proteínas del plasma seminal de cordero en la criopreservación sobre la motilidad e integridad de la membrana espermática, y los cambios en el perfil electroforético de las proteínas de la
Jaime Antonio Cardozo   +3 more
doaj   +1 more source

Living the Transition: How Chinese Post‐Graduation Migrants Use Discursive Strategies in Spain

open access: yesPopulation, Space and Place, Volume 32, Issue 3, April 2026.
ABSTRACT This study examines the transition after graduation of Chinese post‐graduation migrants in Spain, conceptualizing it as a process of identity reconstruction across social, interpersonal and personal levels. By focusing on graduates as active drivers of migration, this study innovatively situates post‐graduation migrants within the framework of
Jiarui Wang   +2 more
wiley   +1 more source

Comparison of two numerical weather prediction models in simulating south foehn in the Alpine Rhine Valley

open access: yesQuarterly Journal of the Royal Meteorological Society, Volume 152, Issue 777, April 2026 Part B.
ICON outperforms COSMO in simulating a south foehn event in the Alpine Rhine Valley, with improved accuracy in temperature, wind speed, and foehn timing. This enhanced performance likely results from a more accurate representation of surface energy balance and gravity wave pattern on the lee side of the mountain.
Yue Tian   +3 more
wiley   +1 more source

Hábitos de vida y su impacto en la calidad seminal

open access: yes, 2022
Antecedentes: Varios factores relacionados con el estilo de vida pueden impactar la salud reproductiva en el varón; por afectaciones en la calidad seminal.
Benalcázar Cadena, Napoleón Oswaldo
core  

Home - About - Disclaimer - Privacy