Results 71 to 80 of about 512,152 (336)

Paso del Norte, qué lejos te vas quedando. Implicaciones de la migración de retorno en México

Estudios Demográficos y Urbanos, 2013
A partir de la crisis financiera mundial del año 2008 los movimientos migratorios internacionales han disminuido, particularmente el de los mexicanos que van a Estados Unidos. Los datos de diversas fuentes de información revelan que debido a este proceso
José Aurelio Granados Alcántar, Karina Pizarro Hernández   +1 more
doaj  

Derechos Humanos y Trabajo Infantil En El Estado De Hidalgo

Xihmai, 2012
RESUMEN El objetivo de este artí­culo1 es analizar la situación de los derechos humanos y el trabajo infantil de los Jornaleros Agrí­colas Migrantes (JAM) en el Valle del Mezquital, Hidalgo. ABSTRACT The objective of this article is to analyze the
Azul Valdivieso Martí­nez
doaj   +1 more source

Characterization of functional metabolites in broccoli by‐product using green extraction with supercritical fluids

Journal of the Science of Food and Agriculture, EarlyView.
Abstract BACKGROUND The present study aimed to valorize broccoli by‐products (leaves and stems) through the extraction of bioactive compounds using supercritical fluid extraction (SFE). The influence of broccoli variety, plant part and maturation stage on total phenolic content (TPC), antioxidant activity and antimicrobial properties was evaluated ...
Iris Gudiño, Rocío Casquete, María José Benito, María de Guía Córdoba, María Henar Prieto, Alberto Martín   +5 more
wiley   +1 more source

Primeros registros de herpetozoos en Zimapán, Hidalgo, México First records of herpetozoos in Zimapán, Hidalgo, México

Revista Mexicana de Biodiversidad, 2011
A pesar de que Zimapán es uno de los municipios más grandes del estado de Hidalgo, existen pocos estudios herpetológicos del lugar. En este trabajo se registran por primera vez 10 especies de herpetozoos, lo cual amplía su distribución en la región árida
Julio César Huitzil Mendoza, Irene Goyenechea Mayer-Goyenechea   +1 more
doaj  

Información adicional sobre la avifauna de Hidalgo, México

Huitzil, 2012
Reportamos cinco especies de aves no registradas previamente en el estado de Hidalgo: gavilán zancón (Geranospiza caerulescens), gallineta morada (Porphyrio martinica), tucán pico canoa(Ramphastos sulfuratus), titira pico negro (Tityra inquisitor) y ...
Raúl Valencia-Herverth, Jorge Valencia-Herverth, Raúl Padilla Calderón, Moisés Olivares Nochebuena, René Hernández Hernández, Melchor Olivares Nochebuena   +5 more
doaj   +1 more source

A Comprehensive Multistage Average Controller for Trajectory Tracking in Solar‐Powered Mobile Robots: Analysis of Actuator‐Driver and Power Stage Integration

International Journal of Mechanical System Dynamics, EarlyView.
ABSTRACT This work addresses the challenge of bidirectional trajectory tracking in solar‐powered wheeled mobile robots (WMRs), considering the mechanical structure, actuator‐driver, and power stage subsystems. Notably, this is the first study to explicitly model and control the actuator‐driver subsystem within this context. The proposed solution relies
Benjamin Natanael Santiago‐Nogales, Julio Cesar Ordaz‐Dehesa, Ramón Silva‐Ortigoza, Erik Reyes‐Reyes, J. Martín Alba‐Martínez, Juan Eduardo Velázquez‐Velázquez, José Rafael García‐Sánchez, Magdalena Marciano‐Melchor, Hind Taud   +8 more
wiley   +1 more source

The role of the state of Hidalgo in the public policies for the Hidalgo inhabitants abroad

Anuario Latinoamericano – Ciencias Políticas y Relaciones Internacionales, 2019
<p>A partir de 1990 la migración hacia los Estados Unidos de los hidalguenses se intensificó, posicionándose entonces como un fenómeno social emergente. En respuesta al mismo, las autoridades del estado de Hidalgo, en el año 1999, hicieron esfuerzos de intervención.
Edgar Manuel Castillo Flores, Berenice Alfaro Ponce   +1 more
openaire   +2 more sources

Pinguicula brendae (Lentibulariaceae) sp. nov., a carnivorous plant from a tropical montane cloud forest in Hidalgo, Mexico

Nordic Journal of Botany, EarlyView.
A new species of Lentibulariaceae, Pinguicula brendae Rodríguez‐Ramírez, H.Shimai & A.R. Andrés‐Hernández, is described based on its unique morphological characteristics. This species is restricted to limestone rock walls in the San Bartolo Tutotepec municipality, central‐eastern Hidalgo, Mexico, where it inhabits a single locality on vertical, north ...
Ernesto C. Rodríguez‐ Ramírez, Hiro Shimai, Agustina R. Andrés‐ Hernández   +2 more
wiley   +1 more source

The last Communion of Saint Ferdinand of Castile (1683): continuing the catalog of the Sevilian painter Antonio Hidalgo

Philostrato, 2018
: This paper discloses a painting signed by Antonio Hidalgo, an artist from the Seville School who was active between 1664 and 1689. It is a depiction of The Last Communion of Saint Ferdinand of Castile, a painting made in 1683 and preserved at the Old ...
Jesús Porres Benavides, Antonio Romero Dorado   +1 more
doaj   +1 more source

Digitising biological collections to advance National Species Inventories: A case study from the flora of Chile

PLANTS, PEOPLE, PLANET, EarlyView.
In response to Chile's public policy to establish a national biodiversity inventory and monitoring system, we launched the HerbarioDigital.cl portal. We have digitised over 120,000 specimens representing more than 3,900 species from two Chilean herbaria, integrating them through a curated local taxonomic index.
Ricardo A. Segovia, Juan M. Sáez, Francisco A. Squeo, Alicia E. Marticorena, Julián Caro, Pablo C. Guerrero   +5 more
wiley   +1 more source