Results 41 to 50 of about 719,080 (273)

PHOTOMETRIC CHARACTERIZATION OF A COMMERCIAL DSLR CAMERA FORTHE IMPLEMENTATION OF AN IMAGING LUMINANCE METER

open access: yesAnales (Asociación Física Argentina), 2021
In this paper we describe the procedure followed in the photometric characterization of a DSLR camera in order to implement an imaging luminance meter. The first step consisted in the experimental setup of a system to obtain the spectral response curves ...
O. U. Preciado   +2 more
doaj   +1 more source

Literatura y prensa de la Independencia, independencia de la literatura [PDF]

open access: yesRevista chilena de literatura, 2010
El artículo examina las concepciones operantes del libro, la lectura y la literatura en Chile, entre 1810 y 1842. Describe la concepción enciclópedica y eminentemente política de lo literario en las dos primeras generaciones de criollos ilustrados y el modo como ella fue conformando un canon para la nueva nación.
openaire   +4 more sources

Downlisting and recovery of species assessed by the IUCN

open access: yesConservation Biology, Volume 39, Issue 6, December 2025.
Abstract Despite the increasing number of species assessed for extinction risk by the International Union for Conservation of Nature (IUCN) (163,040 species as of 2024), only about 1 in 1,000 have been downlisted due to genuine population improvement. Although this rare conservation achievement has been widely celebrated in several recent cases, some ...
Mu‐Ming Lin   +7 more
wiley   +1 more source

Retrograde Intramedullary Nail Fixation for Derotational Femoral Osteotomy for Recurrent Femoropatellar Instability

open access: yesCase Reports in Orthopedics, 2019
Axial alignment of the femur and tibia is often misdiagnosed in patients with patellofemoral stability problems. Femoral torsion is critical for patellofemoral biomechanics, so it must be evaluated in every patient before the plan of surgery is decided ...
Maximiliano Barahona   +5 more
doaj   +1 more source

Induced Mobilization of as Contained in Metallurgical Waste Using Electrokinetic Remediation Technology: Environmental Implications and Technical Limitations in soil Remediation of Orphan Mining Areas

open access: yesProceedings, 2018
This work focuses on the analysis of the electrokinetic decontamination of soils with high contents in As. Based on the data obtained from the laboratory on different materials in previous works.
Antonio Luis Marqués Sierra   +5 more
doaj   +1 more source

Hyaline and Cystic Degeneration of Uterine Leiomyomas: CT and MR Imaging with Histopathological Sample Analyses

open access: yesDiagnostics, 2023
Leiomyomas are the most common solid benign uterine neoplasms; they are usually asymptomatic and are identified incidentally. Yet, responsive to stimulation by estrogens, leiomyomas may expand, potentially outgrowing their blood supply to undergo ...
Camilo G. Sotomayor   +8 more
doaj   +1 more source

¿Independencia?

open access: yesRevista Kavilando, 2009
La noticia de la instalación en Colombia, de la base militar de Manta, ha generado toda una controversia nacional, pues se piensa trasladar dicha base pero transformando su operatividad por todo el territorio nacional. Este artículo pretende comparar las razones de las molestias causadas en su instalación en Ecuador, las razones por las que se niega la
Yani Vallejo Duque   +1 more
openaire   +1 more source

Gangs, Labor Mobility, and Development

open access: yesEconometrica, Volume 93, Issue 6, Page 2083-2121, November 2025.
We study how criminal organizations affect economic development. We exploit a natural experiment in El Salvador, where these criminal organizations emerged due to an exogenous shift in American immigration policy that led to the deportation of gang leaders from the United States to El Salvador.
Nikita Melnikov   +2 more
wiley   +1 more source

Global Lunar FeO Mapping via Wavelet–Autoencoder Feature Learning from M3 Hyperspectral Data

open access: yesMathematics
Accurate global mapping of lunar iron oxide (FeO) abundance is essential for understanding the Moon’s geological evolution and for supporting future in situ resource utilization (ISRU).
Julia Fernández–Díaz   +5 more
doaj   +1 more source

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