Results 81 to 90 of about 258,068 (226)

The role of Moringa oleifera in the development of alternative biofuels, under the concept of an integral one‐tree biorefinery: A minireview

open access: yesBiofuels, Bioproducts and Biorefining, Volume 19, Issue 3, Page 942-962, May/June 2025.
Abstract The Moringa oleifera oil tree is commonly known as the ‘tree of life’ or the ‘miracle tree’ owing to its multiple benefits for humans. The different parts that make up this tree (leaves, seeds and bark) have been used to treat various ailments, diseases and wounds. However, in recent years this tree is being used by the scientific community to
J. L. Aleman‐Ramirez   +4 more
wiley   +1 more source

Monitor de constantes vitales para animales de laboratorio [PDF]

open access: yes, 2019
Las constantes vitales son parámetros que hay que tener en cuenta para conocer el diagnóstico clínico de personas y animales. Algunas de las constantes vitales más importantes son la frecuencia cardíaca, el nivel de oxigenación en la sangre, la ...
González Cárdenas, Alberto
core  

Geradores eólicos. Caraterísticas elétricas [PDF]

open access: yes, 2012
A produção de eletricidade a partir de energia eólica tem vindo a crescer de forma rápida e sustentada desde 1985. Atualmente, existem geradores eólicos localizados em todo o mundo cuja potência já atinge valores superiores a 3000 MW.
Brandão, Roque Filipe Mesquita   +1 more
core   +2 more sources

Functional complementarity: a review and a new methodological protocol applied to agroforestry systems

open access: yesRestoration Ecology, Volume 33, Issue 4, May 2025.
Urgent ecosystem restoration is needed in a world with increasing food demands and 80% of agricultural lands degraded. Agroforestry systems (hereafter AFS), which integrate trees and crops, offer a potential solution for ecosystem restoration while providing food resources. The application of the functional trait approach is increasingly recognized for
Laura Cedillo   +3 more
wiley   +1 more source

Manual del código eléctrico colombiano NTC 2050. Sección 610: grúas colgantes y elevadores de carga. Sección 620: ascensores, montacargas, escaleras y pasillos mecánicos, ascensores y elevadores para sillas de ruedas [PDF]

open access: yes, 2011
Este proyecto se ha desarrollado teniendo como base el texto completo de la SECCIÓN 610. GRUAS COLGANTES Y ELEVADORES DE CARGA y la SECCIÓN 620. ASCENSORES, MONTACARGAS, ESCALERAS Y PASILLOS MECÁNICOS, ASCENSORES Y ELEVADORES PARA SILLAS DE RUEDAS del ...
Granada Espinosa, Diana Marcela   +1 more
core  

Epidemiological status of bovine brucellosis in the State of Minas Gerais, Brazil [PDF]

open access: yes, 2009
Realizou-se um estudo para caracterizar a situação epidemiológica da brucelose bovina no Estado de Minas Gerais. O Estado foi estratificado em sete circuitos produtores. Em cada circuito foram amostradas aleatoriamente cerca de 300 propriedades e, dentro
Alves, C.M.   +9 more
core   +3 more sources

Counterions Determine if Metal‐Organic Cages Convert SO2 to Sulfate or Reversibly Adsorb It

open access: yesAngewandte Chemie International Edition, Volume 64, Issue 11, March 10, 2025.
Different counterions modulate the solid‐state SO2 adsorption behavior in M6L8 Metal‐Organic Cages (M=Pd(II), Co(II), Cu(II), Zn(II)). Certain anions induce reversible SO2‐adsorption, while nitrate promotes its transformation to sulfate at room temperature.
Edmundo G. Percástegui   +5 more
wiley   +1 more source

Diseño y construcción de una planta MIMO para la implementación en tiempo real de algoritmos de control analógicos y digitales [PDF]

open access: yes, 2015
This work reports on the design and construction of a twin rotor system that will allow the implementation of MIMO analog and digital control solutions.
Quezada Benalcázar, Byron Alexander
core  

Evaluación Continua Aplicada a la Asignatura Componentes y Circuitos en su Adecuación al Espacio Europeo de Educación Superior (EEES) [PDF]

open access: yesFormación universitaria, 2009
This paper describes the continuous evaluation applied to the course Components and Circuits in the Telecommunications Engineering degree of the Castelldefels School of Technology in the autumn semester of 2006. The paper explores the relationship between the academic performance achieved by students, their previous studies and the results of the ...
openaire   +2 more sources

Relative agricultural aptitude of the Tuxpan municipality, Nayarit, using Almagra Model of the MicroLEIS System

open access: yesInvestigaciones Geográficas, 2012
Agricultural land evaluation in the fluvial-marine plain within the municipality of Tuxpan, Nayarit, was carried out based onto a semi-detailed soil survey. Relative agricultural aptitude was evaluated, through out a modified Almagra’s model of MicroLeis
José López García   +2 more
doaj   +1 more source

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