Results 101 to 110 of about 67,935,963 (309)

Shazam! podcast del sistema Nacional de Bibliotecas SENA. 2 : Colombia profunda

open access: yes, 2020
En esta segunda entrega de la serie de podcast “Shazam!” del Sistema Nacional de Bibliotecas SENA encontrará: en la sección cinco entrevistas, cinco regionales el trabajo que se ha venido haciendo desde la biblioteca de la población de Puerto Carreño en ...

core  

Diseño e implementación de un sistema de control de gestión en una empresa de manufactura para mejorar su desempeño [PDF]

open access: yes, 2011
Este Trabajo busca implementar un sistema de control de gestión para elevar el desempeño de una empresa manufacturera con el objetivo de definir y alinear a toda la organización hacia una estrategia común y sustentable para todos. Se recopiló información
Arias, C., Bermudez, M., Espinoza, S.
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Forest governance and the politics of care: Practices, subjectivities and more‐than‐human‐relations in contemporary conservation regimes in Guaviare, Colombia

open access: yesPeople and Nature, EarlyView.
Abstract Market‐based conservation instruments such as REDD+ and Payments for Ecosystem Services (PES) have been promoted to curb deforestation in the Colombian Amazon. Yet these schemes remain contested, as they advance neoliberal conservation and reproduce gender inequalities.
Sandra Ángel Moreno   +2 more
wiley   +1 more source

Modelado de robot móvil seguidor de línea con tracción diferencial

open access: yesProgramación Matemática y Software, 2020
En este documento se presenta el análisis de un robot seguidor de línea con tracción diferencial. Se obtiene el modelo matemático de cada una de las etapas que componen al sistema en lazo cerrado, empleando las ecuaciones cinemáticas para la planta, el ...
Salomón Noé Turiján Altamirano   +3 more
doaj  

Management and incipient domestication of Chamaedorea tepejilote in agroforestry systems in Mexico

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
Native wild plants are key elements in addressing global biodiversity loss and supporting sustainable food systems. We investigated how rural communities in Mexico manage Chamaedorea tepejilote, a wild palm with edible male inflorescences, by combining ethnobotanical, genetic, morphological and ecological approaches.
Viviana Andrade   +7 more
wiley   +1 more source

Implementación de un sistema con Leds de alta luminiscencia para semaforización preventiva en zonas escolares

open access: yesVisión Electrónica, 2009
Es este artículo se presenta la implementación de un semáforo preventivo de dos caras con leds de alta luiniscencia color amarillo, el cual se instala en onas escolares como una alternativa para disminuir la accidentalidad que se presenta en éstas, dado ...
Dora L. Castañeda T.   +2 more
doaj  

Soil health assessment using buried cotton underpants with the help of 1000 citizen scientists

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
Soil is a vital resource for life on Earth. Although many soils are degraded, societal awareness of soil‐related issues is limited. To highlight soil as a key resource and fascinating study system, we initiated a citizen science project together with 1000 participants investigating soil health across Switzerland using buried cotton underpants.
S. Franz Bender   +258 more
wiley   +1 more source

Aboveground herbivory elevates belowground rhizosphere volatile organic compound concentrations in ambient and polluted air, independent of volatile sampling methodology

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
The effect of air pollution on plants is still underexplored, especially belowground. We used a field facility that released diesel exhaust and ozone at concentrations equivalent to those near a busy road in Reading, UK, to measure belowground gas exchange of Scots pine together with feeding by large pine weevils, a major pest of conifers.
Tihomir Simin   +7 more
wiley   +1 more source

Desenvolvimento de um sistema de controle embarcado para a equipe de futebol de robôs Araranguá Intruders [PDF]

open access: yes, 2013
TCC (graduação) - Universidade Federal de Santa Catarina, Campus Araranguá, Curso de Tecnologias da Informação e Comunicação.Este trabalho descreve o desenvolvimento de um sistema de controle embarcado para a equipe de futebol de robôs Araranguá ...
Freitas, Stefáni Antonelli Goerck de
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Action plan for controlling Amaranthus palmeri in maize fields of Aragón (Spain): An economic assessment under uncertainty

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
Invasive weeds pose a global challenge to sustainable agriculture, threatening productivity while increasing the costs and uncertainty of crop management. Using 6 years of experimental evidence, we developed and evaluated three 10‐year action plans for controlling Amaranthus palmeri in maize crops in Aragón, Spain, accounting for biological and control‐
Gabriel Pardo   +4 more
wiley   +1 more source

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