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Now showing items 19128-19147 of 34314
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K-finite decidable objects and finite cardinals in an arbitrary topos
(2012-03-08)In an elemetary topos $\varepsilo$, we prove that the class of K-finite decidable objects is the same to the class of finite cardinals in E if and only if every K-finite decidable object X such that $X \longrightarrow 1$ ... -
K-finite objects and decidability
(2014-01-01)We study the k-finite and decidable objects in an elementary topos. We prove some results concerning k-finite and decidable objects. -
Kalimán. La trayectoria de un maestro artesano
(2019)Documento ilustrado con fotografías sobre la trayectoria de Rafael Angel Corrales Durán conocido como Kalimán quien dedicó parte de su vida a la confección tradicional de máscaras en Aserrí. -
Kalydria en Animatronics
(2010-07-06)Proyecto novedoso de educación ambiental utilizando animatronics (marionetas electrónicas inalámbricas). -
Kalydria en animatronics.
(INIE, 2009)El proyecto Kalydria en animatronics se inicia en el año 2004 cuando los profesores Vanessa Fonseca, James J. Glavan y Alicia Gurdián Fernández deciden realizar un proyecto novedoso de educación ambiental utilizando ... -
Karl Marx's Ecosocialism: Capital, Nature and the Unfinished Critique of Political Economy. Kohei Saito. (Nueva York: Monthly Review Press, 2017. 308 páginas)
(2020)Traducción de reseña: "Steve Knight. Karl Marx's Ecosocialism: Capital, Nature and the Unfinished Critique of Political Economy. Kohei Saito. (Nueva York: Monthly Review Press)". -
Karla Solano. El cuerpo que tú buscas
(2016-07)El ensayo-entrevista sobre Karla Solano, aborda los inicios de su obra en fotografía y el arte contemporáneo y analiza el conocimiento del cuerpo humano como una de las grandes temática del arte y el reconocimiento de ... -
Karma, a new genus in the Pleurothallidinae (Orchidaceae)
(2023-06-29)The new generic name Karma (Orchidaceae: Pleurothallidinae) is proposed to substitute the concept of Tubella (Luer) Archila [2009], which is illegitimate on account of the prior homonym Tubella Archila [2006], a genus in ... -
“KARYMAR”: Una etnografía del espacio dancístico
(2013-01-30)The following essay is the result of an ethnographic investigation, which was carried out in dancing hall “Karymar”, in San José, Costa Rica, during 2007. This hall its characterized for been one of the few places in which ... -
Karyotype of the yellow-bellied sea snake, Pelamis platurus
(1980)In this paper we describe the karyotype of the yellow-bellied sea snake, Pelamis platurus from Costa Rica. The diploid number is 38 chromosomes, with 20 macrochromosomes and 18 microchromosomes. The pairs 1 and 2 are ... -
Kaurene diterpenes from Mikania vitifolia
(1998)From the aerial parts of Mikania vitifolia three new ent-kaurane diterpenes, ent-7α-cinnamoyloxy-15β-hydroxy-kaur-16-en-19-oic acid, ent-15β-cinnamoyloxy-7α-hydroxy-kaur-16-en-19-oic acid and ent-15β-hydroxy-7α-(E)-lachn ... -
Kerosene biodegradation in the grasses’ rizosphere under greenhouse conditions
(2013-12-11)Kerosene affects in a negative way the soil biological activity, also the growth and development of the plant. To examine the aforesaid, this contaminant was evaluated in oats plants (Avena sativa), barley (Hordeum vulgare), ...