Results 21 to 30 of about 228,098 (168)

Emergencia y crecimiento inicial de hijos de plátano ‘Barraganete’ (musa aab), en el Carmen, Ecuador

open access: yesAgroecosistemas, 2022
La investigación se realizó en la Granja Experimental Río Suma, Universidad Laica Eloy Alfaro de Manabí. Para evaluar la emergencia de los hijos se utilizaron todos los cormos y para las variables de crecimiento 300 hijos, en un diseño de bloques ...
Sánchez-Urdaneta, Adriana Beatriz   +5 more
doaj  

Poblamiento americano y otras hipótesis del Abate Molina [PDF]

open access: yes, 2010
MEMORIA Sobre la propagación sucesiva del género humano1por el Abate Juan Ignacio Molina  
Rothammer, Francisco
core   +3 more sources

Regulatory compliance and support for altered management of the exotic pet trade

open access: yesConservation Biology, EarlyView.
Abstract Globally, the exotic pet trade has contributed to species invasion, disease, and animal welfare risks. Although scientists have advocated for increased trade regulation, the success of management and regulatory efforts depends on compliance by participants in the exotic pet trade. We used a regulatory compliance framework to investigate exotic
Elizabeth N. Pratt   +3 more
wiley   +1 more source

Representaciones de alumnos universitarios sobre propagación de ondas mecánicas [PDF]

open access: yes, 2009
En este trabajo se presentan resultados de una investigación sobre concepciones de estudiantes universitarios acerca del mecanismo de propagación de una onda y el rol del medio de propagación en la misma. Se analizan razonamientos que emplean estudiantes
Bravo, Silvia   +2 more
core   +3 more sources

Legislating Uncertainty: Election Policies and the Amplification of Misinformation

open access: yesPolicy Studies Journal, EarlyView.
ABSTRACT Can state election policies affect the spread of misinformation? This paper studies the role played by ballot processing policies, which determine when ballots can be examined and organized, in the online spread of political misinformation. We present evidence from the 2020 U.S.
Morgan Wack   +5 more
wiley   +1 more source

Demo 68. Globo hinchado e intensidad de una onda [PDF]

open access: yes, 2013
Objetivo: Comprender la propagación de una onda en tres ...
Ferrer Roca, Chantal   +1 more
core  

Topics as Outcomes: Modeling the Influence of Intergovernmental Grants on Policy Diffusion

open access: yesPolicy Studies Journal, EarlyView.
ABSTRACT Intergovernmental grants stimulate the diffusion of policy reforms, as the federal government provides states with a financial incentive to adopt policies aligned with federal priorities. Less is known about the extent to which these grants also stimulate horizontal diffusion across states.
NaLette Brodnax, Sarah James
wiley   +1 more source

Rossby Wave Propagation Tracks in Southern Hemisphere Mean Basic Flows Associated to Generalized Frosts over Southern South America [PDF]

open access: yes, 2010
A partir de los estudios observacionales previos acerca de los eventos extremos fríos en el sudeste de América del Sur, surge la hipótesis la cual plantea que los patrones de gran escala condicionan la frecuencia de ocurrencia de heladas, a través de la ...
Ambrizzi, Tércio   +1 more
core  

Micromechanical approach for the analysis of wave propagation in particulate composites [PDF]

open access: yes, 2019
Laser ultrasonic non-destructive testing is widely used for the inspection of mechanical structures. This method uses the propagation of ultrasonic guided waves (UGW) in the media.
Dinzart, Florence   +2 more
core   +5 more sources

In vitro culture, cryopreservation, and field reintroduction of the endangered Mingan thistle

open access: yesConservation Biology, Volume 40, Issue 2, April 2026.
Abstract Current plant conservation efforts are hindered by, for example, poor seed germination, low viability, and insufficient propagation and preservation technologies. To address these problems, we devised an approach to plant conservation that integrates conservation, preservation, and restoration (CPR), which uses advanced in vitro techniques. We
Mukund R. Shukla   +4 more
wiley   +1 more source

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