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Aproximadamente 14 registro(s) hasta el momento: (journal)

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Recurso libre

Historical sunspot records from Mexico
Vaquero,J. M. - Moreno-Corral,M. A.

Formato:	journal article
Enlaces:	The historical reconstruction of solar activity is a task of great interest for geophysicists and solar physicists. Historical sunspot observations are a fundamental tool for this task. In this short contribution, we present some historical sunspot observations in Mexico.
Fecha:	2008-09-01
Recurso:	SCIELO

Recurso libre

The Lachesilla asperiforceps species complex of the L. forcepeta species group (Psocodea: 'Psocoptera': Lachesillidae)
García Aldrete,Alfonso N.

Formato:	journal article
Enlaces:	Four species of Lachesilla, from Mexico and Guatemala, are here described and illustrated. Together with L. asperiforceps García Aldrete, from Mexico, Guatemala and Nicaragua, they constitute the L. asperiforceps species complex, a diagnosis of which is provided, as well as…
Fecha:	2011-09-01
Recurso:	SCIELO

Recurso libre

New records of Libellula pulchella (Odonata: Libellulidae) and Phyllogomphoides albrighti (Odonata: Gomphidae) from the Cuatro Ciénegas Basin, Coahuila, Mexico
González-Soriano,Enrique - Trujano-Ortega,Marysol - Contreras-Arquieta,Arturo - García-Vázquez,Uri Ornar

Formato:	journal article
Enlaces:	The first records of Libellula pulchella and Phyllogomphoides albrighti from Coahuila are reported. These records extend the known geographic range of Libellula pulchella south of Texas and Phyllogomphoides albrighti west of Nuevo León. The specimens were collected in the Cuatro…
Fecha:	2012-09-01
Recurso:	SCIELO

Recurso libre

Factors influencing the fault displacement-length relationship: an example from the Cantarell oilfield, Gulf of Mexico
Shunshan,Xu - Nieto-Samaniego,Ángel Francisco - Velasquillo-Martínez,Luis Germán - Grajales-Nishimura,José Manuel - Murillo-Muñetón,Gustavo - García-Hernández,Jesús

Formato:	journal article
Enlaces:	Assuming a linear relationship between maximum length (L) and maximum fault displacement (D) we investigate the effects of displacement component measured, observation level, and fault linkage by using data from the normal faults of the Akal block of the Cantarell…
Fecha:	2011-09-01
Recurso:	SCIELO

Recurso libre

Trace elements geochemistry and origin of volcanic units from the San Luis Potosí and Río Santa María volcanic fields, Mexico: the bearing of ICP-QMS data
Aguillón-Robles,Alfredo - Tristán-González,Margarito - López-Doncel,Rubén Alfonso - García-Arreola,María Elena - Almaguer-Rodríguez,Joselin de Lourdes - Maury,René C.

Formato:	journal article
Enlaces:	Two main volcanic fields separated by a volcano-tectonic structure were emplaced in the southern part of San Luis Potosí state during the Cenozoic peak of continental extension in the SE portion of the Sierra Madre Occidental. The Eocene to Quaternary…
Fecha:	2012-09-01
Recurso:	SCIELO

Recurso libre

Phytogeographic analysis of the genus Datura (Solanaceae) in continental Mexico
Luna-Cavazos,Mario - Bye,Robert

Formato:	journal article
Enlaces:	The geographic distribution of the species of Datura in Mexico was analyzed using numerical analysis of natural populations documented by herbarium specimens. A map of Mexico was divided into 239, 1° x 1° squares (latitude and longitude) which were used…
Fecha:	2011-09-01
Recurso:	SCIELO

Recurso libre

Melampodium sinuatum (Asteraceae) endémica del extremo sur de la península de Baja California en peligro de extinción
Villaseñor,Jose Luis - Calzada,J. Ismael - Dávila,Patricia

Formato:	journal article
Enlaces:	Melampodium sinuatum Brandegee, especie endémica del extremo sur del estado de Baja California Sur, México, constituye una especie poco conocida debido a su rareza y distribución restringida. No se conoce de más de 5 sitios; todos ellos amenazados por las…
Fecha:	2011-09-01
Recurso:	SCIELO

Recurso libre

Sampling necrophagous and predatory insects using different lures in a Mexican pine forest
Sánchez-Rojas,Gerardo - Castellanos,Ignacio - Márquez-Vázquez,Amelia

Formato:	journal article
Enlaces:	Sampling with a single bait as a lure is a commonly used practice in studies of necrophilous insect communities. Here, we determined if there were differences in necrophilous insect species richness and abundance when attracted to 4 types of carrion:…
Fecha:	2011-09-01
Recurso:	SCIELO

Recurso libre

In-hospital outcome in patients with ST elevation myocardial infarction and right bundle branch block: A sub-study from RENASICA II, a national multicenter registry
Juárez-Herrera,Úrsulo - Jerjes Sánchez,Carlos - González-Pacheco,Héctor - Martínez-Sánchez,Carlos

Formato:	journal article
Enlaces:	Objective: Compare in-hospital outcome in patients with ST-elevation myocardial infarction with right versus left bundle branch block. Methods: RENASICA II, a national mexican registry enrolled 8098 patients with final diagnosis of acute coronary syndrome secondary to ischemic heart disease. In…
Fecha:	2010-09-01
Recurso:	SCIELO

Recurso libre

10.

Design and implementation of the TRACIA: intracoronary autologous transplant of bone marrow-derived stem cells for acute ST elevation myocardial infarction
Peña-Duque,Marco A. - Martínez-Ríos,Marco A. - Calderón G,Eva - Mejía,Ana M. - Gómez,Enrique - Martínez-Sánchez,Carlos - Figueroa,Javier - Gaspar,Jorge - González,Héctor - Bialoztosky,David - Meave,Aloha - Uribe-González,Jhonathan - Alexánderson,Erick - Ochoa,Victor - Masso,Felipe

Formato:	journal article
Enlaces:	Objective: To describe the design of a protocol of intracoronary autologous transplant of bone marrow-derived stem cells for acute ST-elevation myocardial infarction (STEMI) and to report the safety of the procedure in the first patients included. Methods: The TRACIA study…
Fecha:	2011-09-01
Recurso:	SCIELO

Recurso libre

11.

Autoimmunity as a possible predisposing factor for Stenotrophomonas maltophilia endocarditis
Carrillo-Córdova,Jorge R. - Amezcua-Guerra,Luis M.

Formato:	journal article
Enlaces:	Only 40 cases of Stenotrophomonas maltophilia (S. maltophilia) endocarditis have been reported to date, and there is no description in patients with underlying autoimmunity. A 23-year-old woman with systemic lupus erythematosus (SLE) overlapping rheumatoid arthritis (RA) and no risk factors…
Fecha:	2012-09-01
Recurso:	SCIELO

Recurso libre

12.

The MHC2TA gene polymorphisms are not associated with restenosis after coronary stenting in Mexican patients
Delgadillo,Hilda - Vargas-Alarcón,Gilberto - Gómez-Monterrosas,Omar - Martínez-Rodríguez,Nancy - Ramírez-Fuentes,Silvestre - Carrillo-Sánchez,Silvia - Peña-Duque,Marco Antonio - Martínez-Ríos,Marco Antonio - Pérez-Méndez,Oscar - Fragoso,José Manuel

Formato:	journal article
Enlaces:	Objective: The aim of this study was to test for association between MHC2TA gene polymorphisms and risk for restenosis after coronary stent placement in a group of Mexican patients. Methods: The MHC2TA-168A>G (rs3087456), 1614C>G (rs4774), and 2536G>A (rs2229320) single nucleotide…
Fecha:	2012-09-01
Recurso:	SCIELO

Recurso libre

13.

The role of pulmonary pressure/cardiac index to identify pulmonary hemodynamic responders to acute oxygen breathing pulmonary hypertension COPD patients
Lupi-Herrera,Eulo - Sandoval,Julio - Santos,Luis Efren - Pulido,Tomás - Rosas-Peralta,Martín

Formato:	journal article
Enlaces:	Objectives: We sought to analyze exercise-derived mean pulmonary artery pressure (Mpap) - cardiac index (CI) - relationship to expand the concepts regarding its nature and to better identify pulmonary hemodynamic responders to acute oxygen breathing (AOB - 99.5%) in pulmonary…
Fecha:	2011-09-01
Recurso:	SCIELO

Recurso libre

14.

How electricity was discovered and how it is related to cardiology
de Micheli-Serra,Alfredo - Iturralde-Torres,Pedro - Izaguirre-Ávila,Raúl

Formato:	journal article
Enlaces:	We relate the fundamental stages of the long road leading to the discovery of electricity and its uses in cardiology. The first observations on the electromagnetic phenomena were registered in ancient texts; many Greek and Roman writers referred to them,…
Fecha:	2012-09-01
Recurso:	SCIELO