Results 81 to 90 of about 13,320 (205)

Valley of Mexico site response from non‐reference site approach

open access: yesEarthquake Spectra, Volume 41, Issue 2, Page 1029-1059, May 2025.
We present a model for Valley of Mexico site response that is referenced to a 30 m time‐averaged shear wave velocity (VS30) of 760 m/s. This reference condition ensures compatibility with regional ground motion models (GMM) for Central America and Mexico (CAM), which were developed from an expanded version of the NGA‐Subduction (NGA‐Sub) database as ...
Victor Contreras   +3 more
wiley   +1 more source

Design, Modeling, and Experimental Validation of a Dual-Axis Solar Tracking System with Embedded Control and Monocular Vision

open access: yesEnergies
The growing demand for renewable energy requires efficient technologies to maximize solar resource utilization. This study presents the development and validation of a novel dual-axis solar tracking system that integrates kinematic modeling, embedded ...
Adán Acosta-Banda   +6 more
doaj   +1 more source

Entender la naturaleza para crear una industria. El petróleo en la exploración de John Mcleod Murphy en el istmo de Tehuantepec, 1865

open access: yesAsclepio: Revista de Historia de la Medicina y de la Ciencia, 2015
En 1851, John McLeod Murphy fue el oficial inferior de la Armada estadounidense encargado de redactar el informe hidrográfico en la expedición científica en el istmo de Tehuantepec, dirigida por el Mayor Barnard.
Francesco Gerali, Paolo Riguzzi
doaj   +1 more source

El sur también existe: el corredor multimodal del istmo de Tehuantepec en la era de la globalización

open access: yesRegión y Sociedad, 2012
Después de un siglo de la época de mayor esplendor del cruce interoceánico del istmo de Tehuantepec, por donde llegaron a circular grandes volúmenes de mercancías entre el océano Pacífico y el Atlántico, en los albores del siglo xxi se busca implementar ...
Carlos Martner Peyrelongue
doaj  

Modeling and Control of a Micro AUV: Objects Follower Approach

open access: yesSensors, 2018
This work describes the modeling, control and development of a low cost Micro Autonomous Underwater Vehicle (μ-AUV), named AR2D2. The main objective of this work is to make the vehicle to detect and follow an object with defined color by means of the ...
Jesus Arturo Monroy-Anieva   +4 more
doaj   +1 more source

‘RepresentaXión’ de un muxe: la identidad performática de Lukas Avendaño [PDF]

open access: yes, 2015
Lukas Avendaño is an emerging Mexican performance artist whose recent work constitutes a queer performatic intervention of Mexican nationalistic representations, particularly that of Zapotec Tehuana women. Avendaño embodies the complex identity of muxes,
Prieto Stambaugh, Antonio
core   +2 more sources

La teogonía zapoteca y sus vestigios en Tehuantepec

open access: yesAnales de Antropología, 2009
A pesar de los cambios ocurridos desde la Conquista, la organización ceremonial de los zapotecos de Tehuantepec aún mantienen vínculos fuertes con la teogonía ancestral.
Guido Münch Galindo
doaj   +1 more source

01-03 "Community Control in a Global Economy: Lessons from Mexico's Economic Integration Process" [PDF]

open access: yes
The North American Free Trade Agreement appeared to promise economic growth for Mexico and improved living conditions for its people. While the Mexican economy has recovered significantly from its post-NAFTA collapse, there is mounting evidence that many
Eliza Waters, Tim Wise
core  

EL PUERTO DE SALINA CRUZ: ZONA ECONÓMICA ESPECIAL, FUTURO INCIERTO [PDF]

open access: yes, 2018
Las Zonas Económicas Especiales (ZEE) alternativa del gobierno para desarrollar a cuatro zonas portuarias: Lázaro Cárdenas, Salina Cruz y Puerto Chiapas en el Pacífico Mexicano y Coatzacoalcos en el Golfo de México, buscan cerrar brechas regionales de ...
De Sicilia Muñoz, Rosa Alejandrina   +1 more
core  

The Effect of Airfoil Geometry Variation on the Efficiency of a Small Wind Turbine

open access: yesTechnologies
This study analyzes the impact of geometric variations induced by the manufacturing process on the aerodynamic efficiency of an airfoil used in the design of a 3 kW wind turbine blade.
José Rafael Dorrego Portela   +7 more
doaj   +1 more source

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