Results 21 to 30 of about 229,462 (251)

Combining Global Geopotential Models, Digital Elevation Models, and GNSS/Leveling for Precise Local Geoid Determination in Some Mexico Urban Areas: Case Study

ISPRS International Journal of Geo-Information, 2021
This work shows improvements of geoid undulation values obtained from a high-resolution Global Geopotential Model (GGM), applied to local urban areas.
Norberto Alcantar-Elizondo, Ramon Victorino Garcia-Lopez, Xochitl Guadalupe Torres-Carillo, Guadalupe Esteban Vazquez-Becerra   +3 more
doaj   +1 more source

ELISA seroprevalence of Trypanosoma cruzi in a cohort of heart disease patients

Journal of Infection in Developing Countries, 2013
Introduction: Chagas disease is the most important parasitic disease in El Salvador and Latin America. The disease has two phases: acute and chronic, with an intermediate unspecified phase.
Maria-Virginia Rodriguez, Wendy Yamileth Hernandez, Adriana N Garcia, Claudia M Colato, Patricia G Cardoza, Lizza Maria Cardozo   +5 more
doaj   +1 more source

Performance evaluation of single and double-frequency low-cost GNSS receivers in static relative mode

Geodetski Vestnik, 2023
The advancement of low-cost GNSS receivers with modern built-up characteristics has opened a new window to investigate the performance of various low-cost receivers with an outlook on their performance and suitability for varied geodetic purposes.
Naccieli Bojorquez-Pacheco, Rosendo Romero-Andrade, Manuel Edwiges Trejo-Soto, Daniel Hernández-Andrade, Karan Nayak, Ana Isela Vidal-Vega, Aníbal Israel Arana-Medina, Gopal Sharma, Luis Enrique Acosta-Gonzalez, Richard Serrano-Agila   +9 more
doaj   +1 more source

Lineament analysis as a seismic precursor: The El Mayor Cucapah earthquake of April 4, 2010 (MW7.2), Baja California, Mexico

Geodesy and Geodynamics, 2023
An earthquake called the MW7.2 “El Mayor Cucapah” earthquake on April 4, 2010 has been analyzed for seismic precursor. The changes in the lineament system concerning its pattern and time intervals were analyzed during the earthquake preparation period ...
Rosendo Romero-Andrade, Manuel E. Trejo-Soto, Karan Nayak, Daniel Hernández-Andrade, Naccieli Bojorquez-Pacheco   +4 more
doaj   +1 more source

Erebea, vol. 11 (2021)

Erebea, 2023
Erebea, vol. 11 (2021). Monográfico "En construcción. El español en el siglo XXI (alcances y fronteras)", ed. y coord. de Raúl Díaz Rosales y Manuel Cabello Pino; con artículos de José del Valle, Juan Carlos Moreno Cabrera, Daniela Lauria, Susana ...
Erebea
doaj  

Influence of the Polarity of the Electric Field on Electrorheometry [PDF]

, 2019
Uniaxial extensional flow is a canonical flow typically used in rheological characterization to provide complementary information to that obtained by imposing simple shear flow.
Galindo Rosales, Francisco J., García Ortiz, José Hermenegildo, Sadek, Samir H.   +2 more
core   +1 more source

Local, Story, and Global Ductility Evaluation for Complex 2D Steel Buildings: Pushover and Dynamic Analysis

Applied Sciences, 2019
A numerical investigation regarding ductility evaluation of steel buildings with moment resisting steel frames is conducted. Bending (µLϕ) and tension (µLδ) local ductilities as well as story (µS) and global ductilities are ...
Mario D. Llanes-Tizoc, Alfredo Reyes-Salazar, Eden Bojorquez, Juan Bojorquez, Arturo Lopez-Barraza, J. Luz Rivera-Salas, Jose R. Gaxiola-Camacho   +6 more
doaj   +1 more source

Improving the Seismic Performance of Steel Frames under Mainshock–Aftershock Using Post-Tensioned Connections

Buildings, 2023
In this study, the seismic responses of moment-resisting steel frames (MRSFs) with welded and post-tensioned connections under 28 artificial seismic sequences (mainshock–aftershock) are compared. For this aim, the mainshock are scaled at different ground
José R. Torres, Edén Bojórquez, Juan Bojórquez, Herian Leyva, Sonia E. Ruiz, Alfredo Reyes-Salazar, Leonardo Palemón-Arcos, J. Luz Rivera, Joel Carvajal, Henry E. Reyes   +9 more
doaj   +1 more source

Quality of the Service as a Competitive Advantage, Comparative Study of Parcel Companies

Inquietud Empresarial, 2023
This research describes, compares and analyzes the competitive advantages generated by the quality of the service in parcel companies nowadays. Therefore, the main goal of this comparative study is to determine the factors by which the quality of the ...
Nereyda Soto Medina, Sheila Suset Marañon Lizarraga , Cesar Arturo Palacios Valenzuela, Rosa Delia Aguilar Carvajal, Elizabeth Acosta Haro   +4 more
doaj   +1 more source

Genomic Resources for Imperiled Caribbean Reef‐Forming Corals (Hexacorallia: Scleractinia): Complete Mitochondrial Genomes of Dichocoenia stokesii, Diploria labyrinthiformis, Oculina patagonica, and Stephanocoenia intersepta [PDF]

Ecol Evol
Mitochondrial genomes of imperiled Caribbean corals are sequenced. These genomic resources will support conservation initiatives. ABSTRACT Coral reefs provide a wide variety of services essential to both marine ecosystems and human societies yet reef‐forming corals are currently facing a multitude of global and local environmental stressors.
Zabransky K, Vuong W, Rosales S, Baeza J.   +3 more
europepmc   +2 more sources