Results 81 to 90 of about 297,608 (270)

Amanita theophili sp. nov. (Amanitaceae) from central Mexico

open access: yesNordic Journal of Botany, EarlyView.
Amanita theophili sp. nov., a member of Amanita sect. Amidella (Amanitaceae), is described from temperate pine‐oak forests in Morelos, central Mexico. Morphological features and phylogenetic analyses based on ITS and 28S rDNA sequences confirm its distinct taxonomic status. The new species is morphologically similar to A. peckiana and A.
Evangelina Pérez‐Silva   +1 more
wiley   +1 more source

Colaboración científica de la Universidad Nacional Autónoma de México (UNAM) y su política institucional

open access: yesRevista Española de Documentación Científica, 2006
El presente trabajo tiene por objetivo principal analizar los patrones de la colaboración en la producción científica de la Universidad Nacional Autónoma de México (UNAM) en revistas de corriente principal en términos de la política científica ...
Jane M. Russell   +2 more
doaj   +1 more source

Shell model description of Ge isotopes

open access: yes, 2012
A shell model study of the low energy region of the spectra in Ge isotopes for $38\leq N\leq 50$ is presented, analyzing the excitation energies, quadrupole moments, $B(E2)$ values and occupation numbers.
Brown B A   +10 more
core   +1 more source

Participatory fuzzy cognitive modelling reveals leverage points for agroecological adoption in the Central Valleys of Oaxaca

open access: yesPeople and Nature, EarlyView.
Abstract Global institutions are increasingly calling for an agroecological transition of our food systems to promote sustainable farmer livelihoods, safeguard agrobiodiversity and foster socio‐ecological resilience to a changing climate. Yet adoption remains limited, and there is a paucity of research examining how local conditions enable and ...
Gabriela Marie Garcia   +5 more
wiley   +1 more source

Una de las tareas de la Universidad, el análisis crítico de las prácticas sociales

open access: yesRevista Mexicana de Ciencias Políticas y Sociales, 2015
Versión original presentada por el autor con motivo de la investidura con el doctorado Honoris Causa conferido por la UNAM, en ceremonia celebrada el día 5 de junio de 1996, tomada de la Gaceta UNAM, núm.
Alain Touraine
doaj   +1 more source

Odontología UNAM trascendiendo fronteras

open access: yesRevista Odontológica Mexicana, 2015
» a motto which has traveled beyond our national frontiers.From the moment of its founding, the School of Dentistry has trained professionals exhibiting international excellence as undergraduate students, and mainly in its many specialties, as well as masters’ and doctorate degrees.
openaire   +1 more source

Unambiguous discrimination among quantum operations

open access: yes, 2006
We address the problem of unambiguous discrimination among a given set of quantum operations. The necessary and sufficient condition for them to be unambiguously distinguishable is derived in the cases of single use and multiple uses respectively.
A. M. Childs   +6 more
core   +1 more source

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

Presentación

open access: yesRevista Mexicana de Ciencias Políticas y Sociales, 2019
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doaj   +1 more source

UNAM. Escenarios sincréticos de un conflicto

open access: yesRevista Mexicana de Ciencias Políticas y Sociales, 2000
El artículo explora el impacto de las presiones y directrices que poderosas instituciones transnacionales como el Banco Mundial dictan en la elaboración de las políticas de la educación superior en México. En este sentido, el artículo adopta una postura crítica frente a la falta de creatividad y autonomía del gobierno para elaborar una política ...
openaire   +5 more sources

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