Results 71 to 80 of about 494,402 (207)

Estudio comparativo de banco de datos de imágenes [PDF]

open access: yes, 2006
Actas de las Cuartas Jornadas Imagen, Cultura y Tecnología celebradas el 4, 5 y 6 de julio de 2005 en la Universidad Carlos III de ...
Sánchez Hernández, María F.   +1 more
core   +1 more source

Estudios comparativos en la versología

open access: yesInterlitteraria, 2019
Comparative research in versology. The place of comparative literature in Slovak literary studies from the 1960s. Mikuláš Bakoš’s inspiration by the model of historical poetics in his writing on the Slovak verse in the late 1930s. The influence of Russian formalism and Czech structuralism (J. Mukařovský, J. Levý).
openaire   +3 more sources

Who Gets to Speak When the Roof Is on Fire? Leadership in Political Crisis Communication 情况失控时谁能发声?政治危机传播中的领导力 ¿Quién Puede Hablar Cuando El Techo Está En Llamas? Liderazgo En La Comunicación De Crisis Políticas

open access: yesRisk, Hazards &Crisis in Public Policy, Volume 16, Issue 3, September 2025.
ABSTRACT The communication of political leaders towards voters has become increasingly important in modern democracies – even more so during crises. This article addresses the question of which factors influence the presence of heads of government during crisis communication?
Lore Hayek   +2 more
wiley   +1 more source

La "Atala" de Chateaubriand y la "María" de Isaacs

open access: yesIdeas y Valores, 1968
Al dar como tema a mi conferencia un estudio comparativo de la "Atala" de Chateaubriand y "La María" de Jorge Isaacs, no se trata, a mi modo de pensar, de establecer cueste lo que cueste una filiación, sino más bien, y esto dentro del marco más amplio de
Marie-Jean Vinciguerra
doaj  

Niños adoptados y no adoptados: un estudio comparativo [PDF]

open access: yes, 1996
In the research regarding adoption, one of the most common lines of study is the comparison between children and teenagers who are adopted and those who are not.
Palacios, Jesús   +1 more
core   +1 more source

Impact of endometrial thickness on reproductive outcome in fresh and frozen–thawed embryo transfer: systematic review and meta‐analysis

open access: yesUltrasound in Obstetrics &Gynecology, Volume 66, Issue 3, Page 271-281, September 2025.
ABSTRACT Objective To evaluate the impact of endometrial thickness on the reproductive outcomes of embryo transfer (ET) treatments using both cut‐off‐based meta‐analysis and meta‐analysis of proportions. Methods This was a systematic review and meta‐analysis of comparative studies (randomized controlled trials, cohort studies, case–control studies) and
F. Pérez‐Milán   +10 more
wiley   +1 more source

Generación automática de contornos de nivel [PDF]

open access: yes, 1986
En este trabajo se realiza un estudio comparativo de los principales algoritmos para generación de contornos de nivel desarrollados hasta la fecha. Las comparaciones realizadas evaluan los algoritmos bajo los criterios de tiempo de cálculo y calidad de ...
Brunet, P., Carrasco, F., Pérez, L.
core   +4 more sources

COVID‐19 Vaccine Mandates in Southeast Asia: A Comparative Study of Policies in Malaysia, the Philippines, Thailand, and Vietnam

open access: yesWorld Medical &Health Policy, Volume 17, Issue 3, Page 510-528, September 2025.
ABSTRACT The COVID‐19 pandemic precipitated a global emergency and governments employed various strategies to increase COVID‐19 vaccine coverage across the population, including vaccine mandates. No comparative study has evaluated the development, implementation, and structure of COVID‐19 mandatory vaccination policies in the Southeast Asia region ...
Nor Kamila Kamaruzaman   +9 more
wiley   +1 more source

Mercados itinerantes. estudio comparativo de dos mercados en México [PDF]

open access: yes, 2016
En este trabajo se realiza una comparación entre dos mercados itinerantes del metropolitano Valle de Toluca, México. Muestra el origen de los productos que se intercambian en cada uno de ellos y las maneras de articulación de las economías urbano ...
González Ortiz, Felipe   +1 more
core  

Salivary/Serum Progesterone Ratio Differs Between Menstrual Cycle Phases but Not Between Populations: Implications for Health, Reproductive, and Behavioral Research

open access: yesAmerican Journal of Human Biology, Volume 37, Issue 7, July 2025.
Scatterplot of paired measurements of PFree‐SAL (y‐axis, log scale) versus PTotal‐VEN (x‐axis, log scale) for each of our 36 Bolivian study participants. Dotted diagonals represent lines of constant uptake fraction (UF = PFree‐SAL/PTotal‐VEN) from 0.2% to 100%. The solid red line represents the linear regression model for luteal phase pairs (red dots),
Virginia J. Vitzthum   +4 more
wiley   +1 more source

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