Results 51 to 60 of about 40,424 (213)

Utricularia purpurea nuevo registro de la familia Lentibulariaceae en el Estado de Campeche, México/New record of Utricularia purpurea of the family Lentibulariaceae in the state of Campeche, Mexico

open access: yesEcosistemas y Recursos Agropecuarios, 2017
e reporta un nuevo registro de planta vascular para el estado de Campeche que pertenece a la familia Lentibulariaceae, clascada como Utricularia purpurea Walter, que crece en la laguna Silvituc, al sur del estado, en los municipios de Escárcega y ...
Ricardo Efraín Góngora-Chin   +3 more
doaj   +1 more source

Influence of the Marine Environment on Reinforced Concrete Degradation Depending on Exposure Conditions

open access: yesInternational Journal of Electrochemical Science, 2011
Chloride ion, present in marine breeze and seawater is considered the main external agent to damage reinforced concrete in marine environments. It affects the passivity of steel film and provokes the initiation of corrosion.
M. Sosa   +6 more
doaj   +1 more source

The Oyster Industry of Eastern Mexico [PDF]

open access: yes, 1997
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  

Tlalocohyla loquax [PDF]

open access: yes, 2006
Number of Pages: 8Integrative BiologyGeological ...
Langan, Esther M., Townsend, Josiah H.
core   +1 more source

New records of biting midges of the genus Culicoides Latreille from Mexico (Diptera: Ceratopogonidae) [PDF]

open access: yes, 2012
We provide the first records of six species of biting midges (Diptera: Ceratopogonidae) in the genus Culicoides Latreille from Mexico: C. baueri Hoffman, C. castillae Fox, C. debilipalpis Lutz, C. iriartei Fox, C. leoni Barbosa and C. pusilloides Wirth
Castrejón, M. Rodríguez   +3 more
core  

Coastal Legend Henry Hildebrand dies [PDF]

open access: yes, 2003
The quiet, constantly disheveled scientist who valued fieldwork more than books, discovered the fabled breeding grounds of the world's most endangered sea turtle and who conducted pioneering research on many facets of Texas' unique marine environment is
Hiney, Jim
core   +1 more source

COMPREHENSIVE ANALYSIS OF PSYCHOLOGICAL CARE SERVICES: AN APPROACH BASED ON USER EXPERIENCE

open access: yesRevista Científica Arbitrada de la Fundación MenteClara
Access to psychological care is essential, especially when these services are provided by trained professionals who can address the needs of those facing mental health crises.
Miguel Ángel Tuz Sierra   +4 more
doaj   +1 more source

Quantitation and organic geochemical characterization of petroleum-like materials found on an undisturbed beach of the Padre Island National Seashore [PDF]

open access: yes, 1980
On June 3, 1979 the IXTOC I well in the Bay of Campeche 'blew out' with the subsequent release of 3 to 4 million barrels of oil. A major portion of that oil is known to have escaped recovery or was deliberately dispersed into the environment.
Scalan, Richard S., Winters, J. Kenneth
core   +1 more source

Registros notables de mamíferos para Campeche, México/Noteworthy records of mammals to Campeche, Mexico

open access: yesACTA ZOOLÓGICA MEXICANA (N.S.), 2013
Se reportan ocho nuevos registros de mamíferos para Campeche, México, de los cuales siete son del orden Chiroptera y uno del orden Carnivora. A su vez, se confirma la presencia de Artibeus watsoni, Cynomops mexicanus (Chiroptera) y Lontra longicaudis (Carnivora) en el Estado, con lo cual la riqueza de especies de murciélagos se incrementa de 48 a 55 y ...
Daniela Guzmán-Soriano   +9 more
openaire   +1 more source

Low prevalence of Streptococcus mutans serotypes and poor eating habits in undergraduate dental students:

open access: yesRevista Uningá
The prevalence of caries in southeastern Mexico in individuals aged 20 to 24 is 83.5%. Caries development is multifactorial, including a cariogenic diet, poor oral hygiene, and limited health education. This preliminary longitudinal, single-blind study,
Victor Monteon   +3 more
doaj   +1 more source

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