Results 11 to 20 of about 1,408 (137)

Estimativa das perdas de produtividade de grãos em cultivares de arroz (Oryza sativa) pela interferência do capim-arroz (Echinochloa spp.) Estimation of grain yield loss in rice (Oryza sativa) cultivars due to interference by barnyardgrass (Echinochloa spp.)

Planta Daninha, 2007
Objetivou-se com este trabalho avaliar o grau de interferência do capim-arroz em cultivares de arroz irrigado e comparar variáveis explicativas, visando identificar aquela que propicia melhor ajuste dos dados a modelo matemático. Para isso, foi conduzido
L. Galon, D. Agostinetto, P.V.D. Moraes, S.P. Tironi, T. Dal Magro   +4 more
doaj   +1 more source

Modelo térmico para estimar la potencia de cocción estándar de cocinas solares

Nova Scientia, 2014
Se presenta el estudio de algunos aspectos de la física térmica necesarios para el desarrollo de  cocinas solares de pequeñas dimensiones, mediante el desarrollo de un modelo térmico semi-empírico computacional.
Mauricio González Avilés, H. Servín Campuzano   +1 more
doaj   +1 more source

Modelización numérica y caracterización experimental de materiales absorbentes: competencias profesionales del ingeniero acústico

Modelling in Science Education and Learning, 2019
En este trabajo se desarrollan de forma numérica modelos empíricos que permiten conocer el comportamiento acústico de materiales utilizados en soluciones constructivas en la edificación.
Roberto Atiénzar, Rubén Picó, Romina del Rey   +2 more
doaj   +1 more source

Climate change and future scenarios for palisade grass production in the state of São Paulo, Brazil

Pesquisa Agropecuária Brasileira, 2014
The objective of this work was to analyze future scenarios for palisade grass yield subjected to climate change for the state of São Paulo, Brazil. An empirical crop model was used to estimate yields, according to growing degree-days adjusted by one ...
André Santana Andrade, Patricia Menezes Santos, José Ricardo Macedo Pezzopane, Giovana Maranhão Bettiol, Sílvio Roberto Medeiros Evangelista   +4 more
doaj   +1 more source

Crisis epilépticas en niños con síndrome de Dravet en condiciones de calor extremo: estudio cualitativo de la perspectiva de los progenitores

Developmental Medicine &Child Neurology, EarlyView.
Resumen Objetivo Describir la experiencia de progenitores de niños y adolescentes con síndrome de Dravet en relación con el impacto de las olas de calor o las altas temperaturas ambientales en las crisis epilépticas de sus hijos, así como las estrategias de afrontamiento empleadas.
Angel Aledo‐Serrano, José Ángel Aibar, Domingo Palacios‐Ceña, Maria Salcedo‐Perez‐Juana, Maria Palacios‐Ceña, Simona Giorgi, Manuel Lorenzo‐Dieguez, Sanjay M Sisodiya, Cristina García‐Bravo   +8 more
wiley   +1 more source

Narrative power in the narrative policy framework

Policy Studies Journal, Volume 54, Issue 3, August 2026.
Abstract The Narrative Policy Framework lacks clear and empirical explanations of power. Yet, the study of narratives is inherently the study of power in shaping policy outputs and decisions. We develop a conceptual model positing that expressions of power (power to, with, and over) may be discovered in narrative constructs (e.g., narrative structure ...
Elizabeth A. Shanahan, Rob DeLeo, Elizabeth A. Koebele, Kristin Taylor, Deserai Anderson, Danielle Blanch‐Hartigan, Elizabeth A. Albright, Thomas A. Birkland, Honey Minkowitz   +8 more
wiley   +1 more source

Análisis empírico del Modelo de Elección Secuencial en Humanos

Avances en Psicología Latinoamericana, 2017
Los resultados encontrados en situaciones de elección entre animales humanos y no humanos son en algunos casos contradictorios. Se han propuesto dos posibles explicaciones: (1) los procesos de elección son diferentes en animales humanos y no humanos o (2)
Óscar García-Leal, Enzo Leandro Rodríguez Macías, Héctor Octavio Camarena Pérez   +2 more
doaj   +1 more source

Extensive but fragmented evidence limits understanding of factors shaping farmers' decisions regarding diversified farming systems: A global evidence map

People and Nature, Volume 8, Issue 7, Page 2212-2232, July 2026.
Abstract Diversified farming systems are increasingly recognised for their potential to enhance the sustainability and resilience of food systems. Yet it remains unclear whether empirical research adequately captures the drivers and constraints shaping farmers' decisions regarding diversified farming systems across stages of decision‐making ...
Andrea C. Sánchez Bogado, Damien Beillouin, Natalia Estrada‐Carmona, Cécile Chéron‐Bessou, Bruno Rapidel, Sarah K. Jones   +5 more
wiley   +1 more source

First‐trimester prediction and prevention of preterm pre‐eclampsia in women with chronic hypertension

Ultrasound in Obstetrics &Gynecology, Volume 67, Issue 5, Page 613-622, May 2026.
ABSTRACT Objectives To evaluate the effect of aspirin on gestational age at delivery due to preterm pre‐eclampsia (PE) in women with chronic hypertension (CH), to assess the predictive performance of the Fetal Medicine Foundation (FMF) first‐trimester competing‐risks model for preterm PE in this high‐risk group and to evaluate how parity, previous PE ...
D. L. Rolnik, S. Gil‐Pugliese, A. Syngelaki, E. Bujold, D. Wright, L. C. Poon, K. H. Nicolaides, ASPRE and SPREE Collaborators, C. de Paco Matallana, D. Janga, E. Greco, F. S. Molina, G. Papaioannou, H. Meiri, J. C. Jani, K. Maclagan, K. Tenenbaum‐Gavish, M. Singh, M. Y. Tan, N. O'Gorman, N. Persico, R. Akolekar, S. Cicero, W. Plasencia   +23 more
wiley   +1 more source

The Five‐Thread Model & Academic Policy Entrepreneurs: From the White Australia Policy to Multicultural Australia

Policy Studies Journal, Volume 54, Issue 2, May 2026.
ABSTRACT Why did Australia go from the White Australia Policy, which excluded non‐whites, to institutionalizing multiculturalism policy in the 1970s? This question defies traditional political ideologies of the major political parties, which had long supported the White Australia Policy. This article is a rare empirical demonstration of the Five‐Thread
Julius C. S. Mok
wiley   +1 more source