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Aproximadamente 17 registro(s) hasta el momento: (knowledge)

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Recurso libre

Academy Journals
Public Knowledge Project under the GNU General Public License

Formato:	Editoriales, Revistas
Enlaces:	Descripción completa.
Fecha:	2012-11-05
Recurso:	Facultad de Ciencias - UNAM

Recurso libre

Pathophysiology of cholesterol gallstone disease
Uribe, M - MendezSánchez, N - PoncianoRodríguez, G - Cárdenas-Vázquez, R

Formato:	Artículo de investigación
Enlaces:	The purpose of the present paper is to review the current knowledge about cholesterol gallstone disease. It is generally accepted that the formation of cholesterol gallstone requires three major pathogenic defects, namely, supersaturation, nucleation and crystal growth as well as…
Fecha:	2011-01-22
Recurso:	Facultad de Ciencias - UNAM

Recurso libre

Plant propagation and the ecological restoration of Mexican tropical deciduous forests
Bonfil-Sanders, María del Consuelo - Trejo, I

Formato:	Article
Enlaces:	Although tropical deciduous forest (TDF) is the most widespread tropical forest in Mexico, knowledge on its regeneration and restoration ecology is still scarce. Here, we compare the diversity of TDF trees and shrubs having published propagation protocols with the total…
Fecha:	2013-04-05
Recurso:	Facultad de Ciencias - UNAM

Recurso libre

Cyanobacteria containing biofilms from a mayan monument in Palenque, Mexico
Ramirez, M. - Hernandez-Marine, M. - Novelo, E. - Roldan, M.

Formato:	Artículo
Enlaces:	Surfaces of buildings at the archaeological site of Palenque, Mexico, are colonized by cyanobacteria that form biofilms, which in turn cause aesthetic and structural damage. The structural characterization and species composition of biofilms from the walls of one of these…
Fecha:	2013-12-02
Recurso:	Facultad de Ciencias - UNAM

Recurso libre

New strategy for controlling human cysticercosis
Flisser, A - Sarti, E - Schantz, P

Formato:	Proceeding Paper
Enlaces:	Several epidemiological and intervention studies have been performed in Mexico in order to evaluate control strategies against Taenia solium cysticercosis. Epidemiological questionnaires and immunodiagnostic assays indicate that the main risk factor for acquiring cysticercosis is the tapeworm carrier. Two control…
Fecha:	2011-12-07
Recurso:	Facultad de Ciencias - UNAM

Recurso libre

Epidemiological studies of taeniosis and cysticercosis in Latin America
Flisser, A

Formato:	Article
Enlaces:	Research on cysticercosis has gained much interest in many countries, epidemiology, especially, has been thoroughly studied in Latin American. The review of the information gathered from these studies allows suggesting that the knowledge of the epidemiology of cysticercosis may be…
Fecha:	2011-12-07
Recurso:	Facultad de Ciencias - UNAM

Recurso libre

Population dynamics of Mammillaria magnimamma Harworth. (Cactaceae) in a lava-field in central Mexico
Valverde-Valdés, María Teresa - Quijas, S - López-Villavicencio, M - Castillo-Argüero, Silvia

Formato:	Article
Enlaces:	One of the habitats occupied by Mammillaria magnimamma is a 2000-year old lava-field, in Mexico City. The great ecological interest on this lava-field and the little knowledge there is regarding cacti population ecology have compelled us to analyse the demography…
Fecha:	2011-01-22
Recurso:	Facultad de Ciencias - UNAM

Recurso libre

People using macro-fungal diversity in Oaxaca, Mexico
Garibay Origel, Roberto - Cifuentes Blanco, Joaquín - Estrada Torres, A - Caballero, J

Formato:	Article
Enlaces:	Descripción completa.
Fecha:	2013-04-11
Recurso:	Facultad de Ciencias - UNAM

Recurso libre

People using macro-fungal diversity in Oaxaca, Mexico.
Rúan Soto, F - Garibay Origel, R - Cifuentes Blanco, Joaquín

Formato:	Artículo
Enlaces:	Descripción completa.
Fecha:	2013-04-11
Recurso:	Facultad de Ciencias - UNAM

Recurso libre

10.

The ornithology of the Real Expedicion Botanica a Nueva Espana (17871803): An analysis of the manuscripts of Jose Mariano Mocino
Navarro Sigüenza, Adolfo Gerardo - Peterson, AT - PuigSamper, MA - Zamudio, G

Formato:	Artículo de investigación
Enlaces:	of the remaining 263 species, we arrived at a specieslevel identification for 242, and identified the remainder to genus (19) or family (2). The recent discovery of these ornithological texts and paintings offers a unique view of the history of…
Fecha:	20110122T10:26:12Z, 20110122T10:26:12Z, 2007
Recurso:	Facultad de Ciencias - UNAM

Recurso libre

11.

A new dicrocoeliid (Digenea: Dicrocoeliinae) parasite of rodents from Tlaxcala, Mexico.
Lamothe-Argumedo, R. - Falcon-Ordaz, J. - Garcia-Prieto, L. - Fernandez-Fernandez, J.

Formato:	Artículo
Enlaces:	Caballerolecythus ibunami n. gen., n. sp. is described from the intestine of 2 species of rodents (Liomys irroratus [Gray, 1868] and Peromyscus difficilis [Allen, 1891]) from Piñonal, El Carmen Tequexquitla, Tlaxcala state, Mexico. These specimens represent a new genus and…
Fecha:	2013-11-20
Recurso:	Facultad de Ciencias - UNAM

Recurso libre

12.

An ab initio molecular dynamics calculation of the density of the liquid metallic alloy Al-Si(12)at% as a function of temperature
Diaz-Celaya, JA - Valladares, AA - Valladares, RM

Formato:	Article
Enlaces:	The study of liquid metallic alloys using first principles Molecular Dynamic (MD) requires the knowledge of the liquid phase density that is not easy to obtain experimentally. In this work we calculate the densities for the liquid phase of eutectic…
Fecha:	2011-01-21
Recurso:	Facultad de Ciencias - UNAM

Recurso libre

13.

The other face of Lyell: historical biogeography in his Principles of geology
Llorente Bousquets, Jorge Enrique - Bueno Hernández, Alfredo

Formato:	Artículo de investigación
Enlaces:	Although some excellent Artículo de investigacións about Lyell's work have been published, they do not explicitly deal with Lyell's biogeographical conceptions. The purpose of this paper is to analyse Lyell's biogeographical model in terms of its own internal structure. Lyell…
Fecha:	2013-04-23
Recurso:	Facultad de Ciencias - UNAM

Recurso libre

14.

Abundance and species richness of Coreoidea (Hemiptera: Heteroptera) from Parque Estadual do Turvo, southern Brazil.
Barcellos, A. - Schmidt, L. S. - Brailovsky, H.

Formato:	Artículo, Trabajo de investigación original
Enlaces:	The coreoid fauna from Neotropics is poorly known, especially in terms of community studies. Aiming at contributing to this knowledge, a two-year study was carried out at Parque Estadual do Turvo, Municipality of Derrubadas, state of Rio Grande do Sul,…
Fecha:	2013-11-22
Recurso:	Facultad de Ciencias - UNAM

Recurso libre

15.

Benefits, costs and reactivity of inducible defences: an experimental test with rotifers
Aranguiz-Acuna, A - Ramos-Jiliberto, R - Sarma, N - Sarma, SSS - Bustamante, RO - Toledo, V

Formato:	Article
Enlaces:	P>1. A key aspect of the ecology and evolution of adaptive prey responses to predator risk is the timing by which the former develop a defensive trait in response to inducing signals released by the latter. This property, called reactivity,…
Fecha:	2011-01-21
Recurso:	Facultad de Ciencias - UNAM

Recurso libre

16.

Vegetation heterogeneity and life-strategy diversity in the flora of the heterogeneous landscape of Nizanda, Oaxaca, Mexico
Pérez-García, Eduardo Alberto - Meave del Castillo, Jorge Arturo - Villaseñor, JL - Gallardo-Cruz, JA - Lebrija-Trejos, EE

Formato:	Article
Enlaces:	We updated the floristic checklist of the Nizanda region, Isthmus of Tehuantepec (southern Mexico), characterized the occurring plant communities based on dominant species, and described the region's flora according to life form, growth form, growth type, and growth habit spectra.…
Fecha:	2011-01-21
Recurso:	Facultad de Ciencias - UNAM

Recurso libre

17.

A comparison of traditional elasticity and variance-standardized perturbation analyses: a case study with the tropical tree species Manilkara zapota (Sapotaceae)
Cruz-Rodríguez, JA - López-Mata, L - Valverde-Valdés, María Teresa

Formato:	Article
Enlaces:	Knowledge of the population dynamics of tropical trees has expanded considerably in the past 20 years. An important observation deriving from these investigations is the confirmation that population behaviour varies both in time and space. A tool recently developed to…
Fecha:	2013-04-05
Recurso:	Facultad de Ciencias - UNAM