Results 31 to 40 of about 89,092 (237)

Metallic Biosorption Using Yeasts in Continuous Systems

open access: yesInternational Journal of Photoenergy, 2013
Mining effluents were found to be the main source of pollution by heavy metals of the surface water in the San Pedro River in Sonora, Mexico. The overall objective of this study was to determine the biosorption of Zn, Cu, Mn, and Fe with yeasts isolated ...
Karla Miriam Hernández Mata   +4 more
doaj   +1 more source

Modeling annual discharge of six Mexico’s northern rivers

open access: yesRevista Ambiente & Água, 2012
The overall goal of this report was to understand river discharge variability to improve conventional water management practices of Mexico’s northern subtropical rivers.
Jose de Jesus Navar
doaj   +1 more source

Trachemys gaigeae [PDF]

open access: yes, 2004
Number of Pages: 6Integrative BiologyGeological ...
Ernst, Carl H., Stuart, James N.
core   +1 more source

Biomphalaria straminea and other planorbids in the Dominican Republic

open access: yesMemorias do Instituto Oswaldo Cruz, 1985
In addition to previous records of Biomphalaria glabrata in the Dominican Republic, the southern central communities of Haina Arriba and Boca Chica, in the National District, are reported as new localities for that species; other species collected were ...
W. A. Sodeman Junior   +3 more
doaj   +1 more source

Discovery of an Adaptive Neuroimmune Response Driving Itch and Fast Tick Removal with Implications for Preventing Pathogen Transmission

open access: yesAdvanced Science, EarlyView.
Itch‐induced tick removal (IITR): An acquired neuroimmune mechanism, itch‐induced tick removal, develops after repeated tick exposure, mobilizing T cells and macrophages at the tick bite site to trigger a rapid scratching response that facilitates timely tick removal within a critical window that preces the transmission of many tick‐borne pathogens ...
Johannes S. P. Doehl   +27 more
wiley   +1 more source

Luminescence Dating of Beach Dunes and Fluvial Sediments, Nayarit, Mexico [PDF]

open access: yes, 2018
The Pacific coast of the state of Nayarit, Mexico, is dominated by extensive sand dune systems and lagoons. 16 samples from three transects through dunes near the town of Santa Cruz were collected to establish ages of the beach dune ridges and establish ...
Castillo, M.   +3 more
core  

ORCHESTRATING DIFFERENCE AND SIMILARITY: Black Fungibility, and the Spatial Redrawing of Racial Categories in Spanish Colonial Morocco, Sahara and Guinea

open access: yesInternational Journal of Urban and Regional Research, EarlyView.
Abstract In this article I dissect the spatial strategies through which the Spanish attempted to orchestrate both racial difference and similarity in the African colonies of Morocco, Western Sahara and Equatorial Guinea during the first half of the twentieth century.
Pol Fité Matamoros
wiley   +1 more source

Fragmentos para armar un territorio. La textilería en Atacama durante los períodos Intermedio Tardío y Tardío

open access: yesEstudios Atacameños, 2000
Este estudio se enmarca dentro de los lineamientos del proyecto FONDECYT 1000148 “Historia cultural y materialidad en la arqueología de los períodos Intermedio Tardío y Tardío de San Pedro de Atacama y su relación con la cuenca del río Loa”, que intenta
María Carolina Agüero Piwonka
doaj   +1 more source

The Caddo Archaeological Record in the Saline Creek and County Line Creek Valleys in Cherokee and Smith Counties, Texas [PDF]

open access: yes, 2016
Both the Saline and County Line creeks in the upper Neches River basin were habitats where significant numbers of Caddo peoples lived in ancestral times.
Nelson, Bo   +2 more
core   +1 more source

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