Results 11 to 20 of about 230,222 (295)

Maturation and fertilization in vitro of Pteria sterna (Gould, 1851, Mollusca)

open access: yesCiencias Marinas, 2002
 P. sterna oocytes cannot be fertilized in vitro unless they are obtained by inducing spawning. The present work was undertaken to develop a simple method to induce germinal vesicle breakdown that would enable the oocytes to be fertilized without prior ...
C Harris   +21 more
doaj   +1 more source

Modelación hidrológica e hidráulica de un río intraurbano en una cuenca transfronteriza con el apoyo del análisis regional de frecuencias

open access: yesTecnología y ciencias del agua, 2018
Las inundaciones se encuentran entre los peligros naturales más recurrentes y devastadores, al afectar vidas humanas y causar graves daños económicos en todo el mundo.
Carlos Salazar Briones   +5 more
doaj   +1 more source

Improve three-dimensional point localization accuracy in stereo vision systems using a novel camera calibration method

open access: yesInternational Journal of Advanced Robotic Systems, 2020
Computer vision systems have demonstrated to be useful in applications of autonomous navigation, especially with the use of stereo vision systems for the three-dimensional mapping of the environment.
Luis R Ramírez-Hernández   +7 more
doaj   +1 more source

Breve relación de algunas de las principales plantas observadas en el distrito sur de la Baja California

open access: yesBotan‪ical Sciences, 1945
másComo la descripción de la flora requeriría una extensión muy grande, aquí solamente se hace referencia a las plantas más útiles o más típicas de la región sur de Baja California típicas de la región.
Maximino Martínez
doaj   +1 more source

Louse Flies on Birds of Baja California [PDF]

open access: yesJournal of Wildlife Diseases, 2000
Louse flies were collected from 401 birds of 32 species captured in autumn of 1996 in Baja California Sur (Mexico). Only one louse fly species (Microlynchia pusilla) was found. It occurred in four of the 164 common ground doves (Columbina passerina) collected. This is a new a host species for this louse fly.
Tella, José Luis   +2 more
openaire   +3 more sources

A New Trichodectes From Baja California [PDF]

open access: yesPsyche: A Journal of Entomology, 1914
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
Kellogg, Vernon L. (Vernon Lyman)   +1 more
openaire   +4 more sources

Conducta impulsiva en adolescentes testigos de violencia familiar

open access: yesRevista de Psicología, 2023
El objetivo del presente trabajo fue evaluar la conducta impulsiva en un grupo de adolescentes testigos de violencia familiar empleando un paradigma de elección en donde se manipularon cuatro dimensiones del reforzador: calidad, inmediatez, esfuerzo y ...
Agustín Negrete Cortés   +5 more
doaj   +1 more source

\u3ci\u3eArchilestes Grandis\u3c/i\u3e in Wisconsin (Odonata: Lestidae) [PDF]

open access: yes, 2017
(excerpt) Archilestes grandis (Rambur) is the largest damselfly that occurs in America north of Mexico. Its distribution in the United States was reported by Muttkowski (1910) as Lower Sonoran, Washington to Baja California, and ...
Borkin, Susan Sullivan
core   +2 more sources

Isotope geochemistry and petrogenesis of peralkaline Middle Miocene ignimbrites from central Sonora: relationship with continental break-up and the birth of the Gulf of California [PDF]

open access: yes, 2008
Middle Miocene peralkaline ignimbrites constitute a specific geodynamic marker of the early stage of opening of the Gulf of California, preserved either in central Sonora or the Puertecitos area, in Baja California.
Amortegui, Andrea   +7 more
core   +3 more sources

Four new species of Acoma Casey, with a key to species in the genus (Coleoptera: Scarabaeidae: Melolonthinae) [PDF]

open access: yes, 2011
Acoma howdenorum, Acoma westcotti, Acoma quadrilaminata, and Acoma cimarron (Coleoptera: Scarabaeidae: Melolonthinae), all new species, are described from Yuma County, Arizona, USA, and Baja California Sur, Baja California (Norte), and Sonora, Mexico ...
Warner, William B.
core   +2 more sources

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