Results 11 to 20 of about 240,584 (182)
Reduction of Maximum and Residual Drifts on Posttensioned Steel Frames with Semirigid Connections
Advances in Materials Science and Engineering, 2013 The aim of this paper is to study the seismic performance of self-centering moment-resisting steel frames with posttensioned connections taking into account nonlinear material behavior, for better understanding of the advantages of this type of ...
Arturo López-Barraza +3 more
doaj +2 more sources
Ductility and Strength Reduction Factors for Degrading Structures Considering Cumulative Damage
The Scientific World Journal, 2014 The effect of cumulative damage on the strength requirements of degrading structures is assessed through the evaluation of the target ductility and corresponding strength reduction factors of simple degrading structures.
Edén Bojórquez +3 more
doaj +2 more sources
Advances in Materials Science and Engineering, 2014 The hysteretic energy (EH) dissipated in posttensioned steel frames (PTSF) with hysteretic dampers is calculated by using equivalent single-degree-of-freedom systems (ESDOFS), where the nonlinearity of both the steel bars (beam and columns) and the ...
J. Luz Rivera +3 more
doaj +2 more sources
International Journal of Training and Development, Volume 26, Issue 4, Page 629-645, December 2022., 2022 Abstract Cooperations or transfers of the German technical and vocational education and training (TVET) system have taken place in different cultural contexts in recent decades. In Mexico, the so‐called Modelo Méxicano de Formación Dual has been adapted to Mexico's cultural conditions. Yet, it still seems to be largely unknown in society, the education
Claudia Hunink, Lydia Raesfeld
wiley +1 more source
Diversity and Distributions, Volume 27, Issue 1, Page 18-33, January 2021., 2021 Abstract Aim To assess the representativeness values of Mesoamerican endemic birds within the current network of protected areas (PAs) to determine high‐priority and complementary conservation areas to maximize the long‐term protection of species. Location From central Mexico to southern Panama.
Jorge E. Ramírez‐Albores +5 more
wiley +1 more source
Journal of Immunology Research, Volume 2020, Issue 1, 2020., 2020 Chronic consumption of β‐sitosterol‐β‐D‐glucoside (BSSG), a neurotoxin contained in cycad seeds, leads to Parkinson’s disease in humans and rodents. Here, we explored whether a single intranigral administration of BSSG triggers neuroinflammation and neurotoxic A1 reactive astrocytes besides dopaminergic neurodegeneration.
Claudia Luna-Herrera +20 more
wiley +1 more source
Leishmania mexicana: Novel Insights of Immune Modulation through Amastigote Exosomes
Journal of Immunology Research, Volume 2020, Issue 1, 2020., 2020 Exosomes are extracellular microvesicles of endosomal origin (multivesicular bodies, MVBs) constitutively released by eukaryotic cells by fusion of MVBs to the plasma membrane. The exosomes from Leishmania parasites contain an array of parasite molecules such as virulence factors and survival messengers, capable of modulating the host immune response ...
Laura Enedina Soto-Serna +10 more
wiley +1 more source
High-precision U-Pb ages in the early Tithonian to early Berriasian and implications for the numerical age of the Jurassic-Cretaceous boundary [PDF]
, 2019 The numerical age of the Jurassic-Cretaceous boundary has been controversial and difficult to determine. In this study, we present high-precision U-Pb geochronological data around the Jurassic-Cretaceous boundary in two distinct sections from different ...
Aguirre-Urreta, Maria Beatriz +10 more
core +1 more source
VIP treatment prevents embryo resorption by modulating efferocytosis and activation profile of maternal macrophages in the CBAxDBA resorption prone model [PDF]
, 2016 Successful embryo implantation occurs followed by a local pro-inflammatory response subsequently shifted toward a tolerogenic one. VIP (vasoactive intestinal peptide) has embryotrofic, anti-inflammatory and tolerogenic effects.
Calo, Guillermina +7 more
core +1 more source
Revista Virtual Universidad Católica del Norte, 2022 La investigación se planteó al visualizar el interés que tenían los educandos de la Institución Educativa (IE) Barrio París, específicamente del grado quinto, en aprender a emplear adecuadamente, en el ámbito educativo, las tecnologías de la información ...
Sergio David Montoya Ruda +4 more
doaj +1 more source