Results 1 to 10 of about 1,119,361 (235)

Machine learning methods for inflation forecasting in Brazil: New contenders versus classical models

open access: yesLatin American Journal of Central Banking, 2023
In this paper, we explore machine learning (ML) methods to improve inflation forecasting in Brazil. An extensive out-of-sample forecasting exercise is designed with multiple horizons, a large database of 501 series, and 50 forecasting methods, including ...
Gustavo Silva Araujo   +1 more
doaj   +1 more source

Neck circumference and excess weight: proposal of cutoff points for Brazilian adolescents

open access: yesJornal de Pediatria, 2021
Objective: To indicate neck circumference (NC) cutoff points to identify excess weight at different stages of somatic maturation and evaluate the association between NC and body mass index (BMI). Methods: Cross-sectional study with 1715 adolescents.
Augusto Gerhart Folmann   +3 more
doaj   +1 more source

Effect of dithiocarbamate thiram on Wistar rat growth plate and articular cartilage [PDF]

open access: yes, 2012
Avaliou-se o efeito do tirame, ditiocarbamato largamente utilizado na agricultura como antifúngico e repelente de roedores, na ossificação endocondral de mamíferos, usando, como modelo, ratos Wistar.
Cabrita, AS   +4 more
core   +3 more sources

Effects of vitamin D supplementation on insulin resistance and cardiometabolic risk factors in children with metabolic syndrome: a triple-masked controlled trial

open access: yesJornal de Pediatria (Versão em Português), 2014
This triple-masked controlled trial aimed to assess the effects of vitamin D supple- mentation on insulin resistance and cardiometabolic risk factors in obese children and adolescents.
Roya Kelishadi   +4 more
doaj   +1 more source

Fertirrigação e regulador de crescimento na produção de mudas de café em tubete [PDF]

open access: yes, 2018
The use of quality seedlings is important in establishing a productive coffee crop. However, the most widely used method to produce coffee seedlings is time consuming (6-12 months) and lacks new production technologies.
Carvalho, Mychelle   +4 more
core   +5 more sources

Biology of growth of Hoplias aff. malabaricus (Bloch, 1794) in a shallow pampean lake Argentina [PDF]

open access: yes, 2011
The trahira Hoplias aff. malabaricus is a top predator in pampean shallow lakes and is highly appreciated by recreational anglers and artisanal fishermen.
Baigún, Claudio Rafael M.   +2 more
core   +3 more sources

A randomized triple-masked controlled trial on the effects of synbiotics on inflammation markers in overweight children

open access: yesJornal de Pediatria (Versão em Português), 2014
Objective: the low degree of inflammation in obesity contributes to systemic metabolic dysfunction. Recent experimental studies proposed some effects of alteration in gut microbiota on inflammatory factors.
Roya Kelishadi   +4 more
doaj   +1 more source

Investimento estrangeiro direto e crescimento econômico na Jordânia: uma pesquisa empírica que utiliza o teste de limites de cointegração [PDF]

open access: yes, 2019
Este artículo investiga las elasticidades a largo y corto plazo entre el producto interno bruto y la IED en Jordania. El estudio utiliza datos anuales para analizar la relación entre la IED y el crecimiento económico para el periodo de 1992-2013.
Alrawashdeh, Najed Massad   +2 more
core   +2 more sources

Aptidão aeróbia, indicadores sociodemográficos e biológicos em escolares do sexo feminino

open access: yesRevista Brasileira de Cineantropometria e Desempenho Humano, 2013
A aptidão aeróbia é considerada um dos mais importantes componentes da aptidão física relacionada à saúde. O objetivo deste estudo foi analisar a influência da idade, das variáveis de crescimento, composição corporal,maturação sexual e do nível econômico
Roberto Régis Ribeiro   +5 more
doaj   +1 more source

Identificação e interferência de plantas daninhas em pinhão-manso

open access: yesRevista Brasileira de Engenharia Agrícola e Ambiental, 2013
Objetivou-se, com este trabalho, avaliar a população de plantas daninhas presentes em pinhão-manso e o período crítico de competição a partir dos 8 meses de transplante no campo.
Rubens Fey   +5 more
doaj   +1 more source

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