Repositorio IPICyT: Envíos recientes
Mostrando ítems 521-540 de 2293
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Caracterización Geofísica del acuífero local en Palma de La Cruz, Soledad de Graciano Sánchez SLP: Evaluación del aporte de agua residual proveniente del rio Santiago.
(2020-06-24)"El sistema acuífero San Luis Potosí es la principal fuente de abastecimiento hídrico para la ciudad capital, así como del municipio de Soledad de Graciano Sánchez (SGS). El crecimiento de la mancha urbana ha traído consigo ... -
ALPHA-1-ANTICHYMOTRYPSIN IS EXPRESSED IN HUMAN ADIPOSE TISSUES AND MODULATED BY GENDER AND BODY WEIGHT
(2020-06-24)"BACKGROUND. Obesity is a chronic disease characterized by an excessive body fat accumulation and a main risk factor for hypertension, type 2 diabetes mellitus, cardiovascular diseases and some types of cancer. Recently, ... -
Finite-time continuous control for mechanical systems with bounded inputs
(2020-06)"In this dissertation the design of finite-time/exponential continuous control schemes for mechanical systems with bounded inputs is presented. The work involves the recent theoretical framework of local homogeneity, which ... -
Nanoestructuras de carbono dopadas con fósforo
(2020)"El dopaje de nanoestructuras de carbono empleando átomos tales como B, N, O, P, entre otros, ha demostrado la capacidad de modificar sus propiedades físicas químicas, tales como la dureza, conductividad eléctrica, reducción ... -
Síntesis y caracterización de carburos de tántalo y la relación de su microestructura con la dureza
(2020-06)"En el presente trabajo se sintetizó carburo de tántalo por molienda mecánica en dos tipos de molinos: planetario (muestra 1) y vibratorio (muestra 2). La síntesis se realizó a partir de una mezcla estequiométrica de polvos ... -
Semillas de cáctaceas: factores internos y externos que influyen en su germinación
(2020)"Las semillas representan uno de los estadios más cruciales en el ciclo de vida de las plantas, ya que de ellas depende el establecimiento de nuevos individuos y la perpetuación de la especie. La germinación de semillas ... -
Función socioecohidrológica de la biocostra en la Reserva de la Biosfera de Mapimí, Durango
(2020-05-20)"El Ejido La Flor es un sistema socio-ecológico (SSE) ubicado en la Reserva de la Biosfera de Mapimí (RBM), donde el humano y la naturaleza co-evolucionan a través de una larga trayectoria de interrelaciones complejas que ... -
UrBis: a mobile crowdsourcing platform for sustainable social and urban research in Mexico
(Springer, 2018)"Recently, the United Nations Human Settlements Program (UN-HABITAT) stated that cities in Mexico are steadily expanding, sometimes outstripping the rise in population by two-fold due to urban sprawl, and that 85% of the ... -
Happy and agreeable?: multi-label classification of impressions in social video
(ACM, 2015)"The mobile and ubiquitous nature of conversational social video has placed video blogs among the most popular forms of online video. For this reason, there has been an increasing interest in conducting studies of human ... -
The young and the city: crowdsourcing urban awareness in a developing country
(ICST, 2014)"We present a crowdsourcing study that investigates impressions of urban spaces by young inhabitants in a city in the developing world. Our goal is to obtain collective perceptions from the actual inhabitants of the city ... -
Insiders and outsiders: comparing urban impressions between population groups
(ACM, 2017)"There is a growing interest in social and urban computing to employ crowdsourcing as means to gather impressions of urban perception for indoor and outdoor environments. Previous studies have established that reliable ... -
Looking at cities in Mexico with crowds
(ACM, 2015)"Mobile and social technologies are providing new opportunities to document, characterize, and gather impressions of urban environments. In this paper, we present a study that examines urban perceptions of three cities in ... -
SenseCityVity: mobile crowdsourcing, urban awareness, and collective action in Mexico
(IEEE, 2017)"The SenseCityVity project aims to engage youth in Guanajuato, Mexico, helping them investigate, document, and reflect on urban problems though mobile crowdsourcing. An Urban Data Challenge encourages them to collect ... -
What TripAdvisor Can´t Tell: Crowdsourcing Urban Impressions for Whole Cities
(L'Oeil d'Or, 2016)"In the context of a number of emerging opportunities for citizen participation in Latin America, we present an overview of the SenseCityVity project developed in Mexico. The project goals are the design, implementation, ... -
Evaluación de la Disponibilidad y Demanda de Agua, en la Zona Metropolitana de San Luis Potosí.
(2020-05-11)"En la Zona Metropolitana de San Luis Potosí se ha incrementado la demanda del agua subterránea en las últimas décadas, para el desarrollo y abastecimiento de las actividades socio-económicas. Esta Zona, actualmente, tiene ... -
Estratigrafía y vulcanología de la Toba Xoxoctic (Pleistoceno superior), caldera de Los Humeros, Puebla
(2020-05-25)"Un paso fundamental en el entendimiento de la evolución de las calderas es, entre otros, la definición estratigráfica y de historia eruptiva del sistema. El Complejo Volcánico de Los Humeros se ubica en el sector oriental ... -
Optimizing the differential pulse anodic stripping voltammetry method with hanging mercury electrode for thallium (I) determination in the presence of lead (II) and copper (II) for application in contaminated soils
(Universidad Nacional Autónoma de México, Universidad Autónoma de Tlaxcala, Universidad Veracruzana, Universidad Autónoma de Occidente, Centro de Ciencias de la Atmósfera, 2019)"The conditions that allow thallium (I) determination in the presence of lead (II) and copper (II) were optimized without prior separation of these cations, using a previously developed differential pulse anodic stripping ... -
Water poverty index in arid zones: the barril aquifer, Santo Domingo, San Luis Potosí, México
(Universidad Nacional Autónoma de México, Universidad Autónoma de Tlaxcala, Universidad Veracruzana, Universidad Autónoma de Occidente, Centro de Ciencias de la Atmósfera, 2019)"In Mexico, 73.7 % of the territory is made up of arid and semi-arid zones where groundwater is the main source of supply for the population's various activities. The municipality of Santo Domingo is in such a case, with ... -
Geology of the late Pliocene - Pleistocene Acoculco caldera complex, eastern Trans-Mexican Volcanic Belt (México)
(Taylor & Francis LTD, 2019)"We present a new 1:80,000-scale geologic map of the Acoculco caldera (Ac) located between the states of Puebla and Hidalgo in eastern Mexico. The map, encompassing an area of 856 km(2), is grounded on an ArcMap data set ...