Results 61 to 70 of about 503,738 (312)

Volumetric mass transfer and dilution rate as key parameters for sustainable industrial syngas fermentation to isopropyl alcohol: modeling and parametric assessment

open access: yesBiofuels, Bioproducts and Biorefining, EarlyView.
Abstract Synthesis gas fermentation is a promising route for the valorization of steel mill off‐gas and for replacing conventional fossil‐based isopropyl alcohol (IPA) production. A recent 120 L pilot‐scale study reported 85% gas conversion at 90% product selectivity and claimed a negative global warming potential (GWP) without detailed process design.
Gijs J. A. Brouwer   +3 more
wiley   +1 more source

Estructura genética y relaciones filogenéticas entre diferentes grupos del Género Ateles (Primates) mediante marcadores microsatélites: Concordancia entre lo molecular y lo craneométrico

open access: yesActa Biológica Colombiana, 2001
Un total de 152 muestras de pelo y sangre de Atelesde 7 diferentes taxa fueron analizadas para5 marcadores microsatélites (AP40, AP68, AP74, D5S117 y D8S165).
M. Ruiz-García   +3 more
doaj  

Indagando sobre la Comunidad Andina [PDF]

open access: yes, 1998
La Comunidad Andina está conformada por Bolivia, Colombia, Ecuador, Perú y Venezuela. Desde su creación en 1969, ha estado sujeta a diversos cambios y transformaciones, pasando a su vez por épocas de crisis como la sucedida entre 1979-1987, a la de total
Correa García, Jairo Uberney   +1 more
core  

Justice‐centred climate change education and territory

open access: yesBritish Educational Research Journal, EarlyView.
Abstract In a globalised world, education faces challenges that go far beyond professional training, where social responsibility and the inclusion of heterogeneous communities and territories in all levels of education have become a greater focus of the university and of scientific research, setting the stage for more inclusive public policies. Greater
Lennin Florez‐Leiva   +3 more
wiley   +1 more source

Toward a cladistic model for the Caribbean subregion: Delimitation of areas of endemism

open access: yesCaldasia, 2001
A new biogeographic scherne for the Caribbean subregion is proposed herein, where the following 29 provinces are recognized: Sierra Madre Occidental (western Mexico: states of Chihuahua, Durango, Zacatecas, Sonora, Sinaloa, Nayarit, and Jalisco, above 1 ...
Morrone Juan J.
doaj  

Análisis exploratorio de la apertura comercial del Ecuador frente a Perú y Colombia

open access: yesRevista Economía y Política, 2019
El presente trabajo pretende encontrar las determinantes clave que marcan la diferencia entre la política comercial del Ecuador frente a Colombia y Perú, poniendo mayor atención en la negociación y ratificación de los acuerdos comerciales.
Adrián Ramiro Alvarado Guzmán
doaj   +1 more source

Afro‐Amerindian cosmopolitics in environmental education: A decolonial analysis of academic discourses involving the epistemological disputes around the term sustainability

open access: yesBritish Educational Research Journal, EarlyView.
Abstract Considering the growing calls for decolonial approaches within the scope of Climate Change and Sustainability Education (CCSE), in this research we seek to understand the meanings which have been put into circulation through research narratives on Environmental Education (EE) concluded in Latin America, regarding Afro‐Amerindian knowledges ...
Danilo Seithi Kato   +1 more
wiley   +1 more source

Homophileurus neptunus Dechambre, a new junior synonym of H. waldenfelsi Endrödi (Coleoptera: Scarabaeidae: Dynastinae: Phileurini) [PDF]

open access: yes, 2010
Homophileurus neptunus Dechambre was found to be conspecific with H. waldenfelsi Endrödi after examination of types, descriptions, and illustrations. Accordingly, H. neptunus is placed in junior synonymy with H. waldenfelsi, new synonymy.
Ratcliffe, Brett C., Saltin, Jochen-P.
core   +1 more source

Una nueva especie de Columnea (Gesneriaceae) del norte de los Andes

open access: yesCaldasia, 2000
A new species of Columnea L. belonging to section Ortholoma (Gesneriaceae) from the Andean Region of Colombia and Ecuador is described.Se describe e ilustra una nueva especie de Columnea L. (Gesneriaceae) perteneciente a la sección Ortholoma.
Skog Laurence E.   +3 more
doaj  

A checklist of the Limnichidae and the Lutrochidae (Coleoptera) of the world [PDF]

open access: yes, 2001
A checklist of the world species of Limnichidae (35 genera, 345 species) and Lutrochidae (1 genus, 11 species) is presented. The author, year of publication and page number, synonyms, distribution by country, and a terminal bibliography are given for ...
Spangler, P. J.   +3 more
core   +1 more source

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