Results 11 to 20 of about 65,290 (226)
Cephalocyclus majomaensis and Oscarinus cabreroi new species of Mexican Aphodiinae (Coleoptera: Scarabaeidae: Aphodiinae) [PDF]
, 2013 The new species Cephalocyclus majomaensis and Oscarinus cabreroi from Mexico are described and figured. While studying specimens from Mexico to complete a systematic revision of the Aphodiinae (Coleoptera: Scarabaeidae) of that region, we found a couple ...
Dellacasa, Giovanni +2 more
core +2 more sources
Women, Men, and the Legal Languages of Mining in the Colonial Andes [PDF]
, 2016 Histories of colonial Latin American mining have cemented the image of a scientifically backward society whose pursuit of easy wealth sacrificed the lives of indigenous and African miners in places like Potosí. By examining a mid seventeenth-century mine
Allison Margaret Bigelow
core +1 more source
Detection of Low Electrolyte Level for Vented Lead–Acid Batteries Based on Electrical Measurements
Energies, 2019 It is well known that a low level of electrolytes in batteries produces a malfunction or even failure and irreversible damage. There are several kinds of sensors to detect the electrolyte level.
Eugenio Camargo +5 more
doaj +1 more source
Development of an efficient solar concentrator and utilization in copper extraction from copper minerals [PDF]
Journal of Mining and Metallurgy. Section B: MetallurgyA novel and cost-effective solar concentrator was developed to enhance efficient copper extraction. Based on the criteria for a stationary compound parabolic concentrator, the reflector geometry incorporates a half-spherical curve and a strength line ...
Yang K. +4 more
doaj +1 more source
Factores asociados a enfermedad renal terminal en pacientes diabéticos en San Luis Potosí, México
AladObjetivo: Evaluar los factores asociados al desarrollo de enfermedad renal crónica terminal (ERCT) en pacientes con diabetes mellitus tipo 2 (DM2) en registros de derechohabientes del Instituto Mexicano del Seguro Social en el Estado de San Luis Potosí, México.
Erasmo López-RodrÃguez +6 more
openaire +2 more sources
Geofísica Internacional, 2006 Una serie de diques piroclásticos en el Campo Volcánico de San Luis Potosí está asociada a fallas regionales que cortan y basculan a la secuencia volcánica terciaria (32–27 Ma).
José Ramón Torres-Hernández +4 more
doaj +1 more source
Etnobotánica de Heliopsis longipes (Asteraceae: Heliantheae)
Botanical Sciences, 2008 Heliopsis longipes, conocido con el nombre común de chilcuague es una hierba perenne endémica de la sierra de Álvarez y sierra Gorda, región donde coinciden parte de los territorios de San Luis Potosí, Guanajuato y Querétaro, y de donde se conoce que su
V. Gabriela Cilia-López +3 more
doaj +1 more source
Ciencia y Tecnología Agropecuaria, 2010 La caña de azúcar es una de las más importante actividades productivas en la región Huasteca de México y que requiere de planes para incrementar la productividad y disminuir la incertidumbre ante las limitaciones y el mercado.
Noé Aguilar Rivera +3 more
doaj +1 more source
Machine Learning Methods for Inferring Interaction Design Patterns from Textual Requirements
Proceedings, 2019 Ambient intelligence is one of the most exciting fields of application for pervasive, wireless, and embedded computing. However, the design and implementation of real-world systems must be conducted utilizing software engineering approaches.
Viridiana Silva-Rodríguez +5 more
doaj +1 more source
Epistemus, 2022 Los factores geológicos de desgaste en un barreno son actualmente motivo de estudio ya que el tipo de suelo, así como el desconocimiento de su composición tienen un impacto significativo en el desgaste de las brocas diamantinas. Los materiales abrasivos
Yostin Ortega +5 more
doaj +1 more source