Results 71 to 80 of about 84,085 (198)

A Search for Correlations between Gamma-Ray Burst Variability and Afterglow Onset

open access: yes, 2015
We compared the time (or time limit) of onset for optical afterglow emission to the gamma-ray variability V in 76 GRBs with redshifts. In the subset (25 cases) with the rise evident in the data, we fit the shape of the onset peak as well and compared the
Moore, T. M., Yost, S. A.
core   +1 more source

Los obispos y la Iglesia del sur andino

open access: yesAllpanchis, 1994
Entre enero y febrero de 1940, el profesor Juan Cavazzana y tres jóvenes docentes de la Universidad Católica, Domingo García Rada, Guillermo Lohmann Villena y yo, animados por el padre jesuita Rubén Vargas Ugarte, nos lanzamos a recorres los Andes del ...
Mons. José Dammert Bellido
doaj   +1 more source

María Luisa Ugarte Pinheiro. A cidade sobre os ombros. Tabalho e conflito no Porto de Manaus 1899 – 1925.

open access: yesHistoria y Sociedad, 2008
Reseña que narra el libro escrito por la Doctora en Historia María Luisa Ugarte Pinheiro. El texto desarrolla el estudio de un sector poco abordado como son los estibadores del puerto de Manaos entre los años 1899-1925.
Gabriel Cabrera Becerra
doaj  

Stability of gold nanowires at large Au-Au separations

open access: yes, 2002
The unusual structural stability of gold nanowires at large separations of gold atoms is explained from first-principles quantum mechanical calculations.
A. Sanchez   +37 more
core   +2 more sources

Una visita a la red.

open access: yesRevista Española de Pedagogía, 2016
Las profesoras Concepción Naval, Charo Repáraz, Charo Sádaba, Carolina Ugarte y Elena Arbués llevan años trabajando de manera interesante y creativa la educación cívica y las virtudes necesarias para su desarrollo.
David Reyero
doaj  

A Global Photoionization Response to Prompt Emission and Outliers: Different Origin of Long Gamma-ray Bursts?

open access: yes, 2018
By using the line ratio \ion{C}{4}$\lambda1549$/\ion{C}{2}$\lambda1335$ as a tracer of ionization ratio of the interstellar medium (ISM) illuminated by a long gamma-ray burst (LGRB), we identify a global photoionization response of the ionization ratio ...
Qiu, Y. L.   +4 more
core   +1 more source

A saudade sobre os ombros: razão e sensibilidade na trajetória de Maria Luíza Ugarte Pinheiro (1959-2026)

open access: yesRevista Mundos do Trabalho
O artigo analisa a trajetória intelectual e humana da historiadora Maria Luíza Ugarte Pinheiro (1959–2026), destacando sua contribuição para a consolidação da História Social do Trabalho, da história da imprensa e dos estudos de gênero na Amazônia.
César Augusto Bubolz Queirós
doaj   +1 more source

De la «Patria Grande» a la «Madre Patria»: Manuel Ugarte y el hispanoamericanismo español (1900-1930)

open access: yesRevista de Indias, 2014
El objetivo de este artículo es la revisión de una figura capital en el antiimperialismo latinoamericano, Manuel Baldomero Ugarte, a través de sus colaboraciones con el hispanoamericanismo de comienzos del XX.
Manuel Andrés García
doaj   +1 more source

Origin of anomalously long interatomic distances in suspended gold chains

open access: yes, 2002
The discovery of long bonds in gold atom chains has represented a challenge for physical interpretation. In fact, interatomic distances frequently attain 3.0-3.6 A values and, distances as large as 5.0 A may be seldom observed.
A. I. Yanson   +38 more
core   +1 more source

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