Results 81 to 90 of about 45,162 (227)
This paper presents a hierarchical scaling and normalization method to multi‐area signal measurements that dynamically relates both the angular phase domain and its amplitude in empirical analysis of power system oscillations. The proposed approach combines logarithmic relations and the Hilbert transform to derive an effective multi‐area data scaling ...
Pedro Esquivel +5 more
wiley +1 more source
Nesting Success of Kemp’s Ridley Sea Turtles, Lepidochelys kempi, at Rancho Nuevo, Tamaulipas, Mexico, 1982–2004 [PDF]
The Kemp’s ridley sea turtle, Lepidochelys kempi, was on the edge of extinction owing to a combination of intense egg harvesting and incidental capture in commercial fishing trawls.
Burchfield, P. M. +4 more
core
The Oyster Industry of Eastern Mexico [PDF]
Mexico has an oyster industry of substantial size, ranking about sixth in the world. In 1993, among the top ten oyster producers, Korea, Japan, the United States, China, and France ranked ahead of Mexico, while the Philippines, Australia, Canada, and New
MacKenzie, Jr., Clyde L. +1 more
core
Detection of Neospora caninum antibodies in beef cattle in Tamaulipas, Mexico. Case report
The objective of this study was to determine whether Neospora caninum is prevalent in beef cattle in Tamaulipas (Mexico), using a commercial enzyme-linked immunosorbent assay (ELISA) kit in 182 serum samples from six municipalities with different ...
Jaime Luis Rábago-Castro +5 more
doaj +1 more source
Anthropogenic activities directly and indirectly affect the life cycle of Kemp's ridley turtles (Lepidochelys kempii). The transport of sea turtle eggs in boxes helps to establish new nesting areas and increases the possibility of turtle survival.
ML Vázquez-Sauceda +6 more
doaj +1 more source
Background: Exclusive breastfeeding for the first six months is crucial for infant nutrition and maternal health, strengthening infants’ immune systems and supporting postpartum recovery.
Adrian Lerma Valdez +6 more
doaj +1 more source
Short-term infection dynamics of the monogenean parasite Ligictaluridus floridanus (Monogenea: Dactylogyridea: Ancyrocephalidae) on channel catfish Ictalurus punctatus (Actinopterygii: Siluriformes: Ictaluridae) [PDF]
Ligictaluridus floridanus (Mueller, 1936) is a monogenean parasite that affects farmed channel catfish, Ictalurus punctatus (Rafinesque, 1818). No studies, however, have been conducted on this monogenean’s infection dynamics. The aim of this study was to
Jesús Genaro Sánchez-Martínez +6 more
doaj +3 more sources
El nacimiento constitucional de Tamaulipas
El texto obedece a los 200 años de existencia constitucional del estado de Tamaulipas como parte de la federación mexicana, partiendo del interés que mostraron los Estados Unidos de América, desde su conformación, en su ánimo expansionista y los avatares del reino de España para conservar la integridad territorial de su colonia la Nueva España. También
Alejandro Etienne-Llano +1 more
openaire +1 more source
Natural History Specimen Collections [PDF]
The Fish Collection described in this document was transferred in 1992 to the Fish Collection of the University of Texas at Austin in Austin (at that time administratively in the Texas Memorial Museum, but at the time of publication of this digital ...
Hildebrand, Henry H. +2 more
core +1 more source
Se describe y propone Echeveria tamaulipana (Crassulaceae) como especie nueva para la ciencia). El nuevo taxón se asemeja a los de la serie Angulatae, especialmente E. bifida, E. walpoleana y E.
José Guadalupe Martínez-Ávalos +2 more
doaj

