Results 1 to 10 of about 26,711 (166)

Small understory trees increase growth following sustained drought in the Amazon. [PDF]

New Phytol
Summary Droughts pose a major threat to the Amazon rainforest, yet the mechanisms enabling trees to maintain growth under prolonged drought remain poorly understood, particularly in the understory layer. We leveraged a 22‐yr Throughfall Exclusion (TFE) in a 1‐ha plot in eastern Amazonia, paired with a Control plot, to test whether small understory ...
Silva MC, Bartholomew DC, Giles AL, Bittencourt PRL, Sanchez-Martinez P, Martius LR, Rodrigues VN, Selman R, Reis JP, Teodoro GS, Oliveira RS, Binks O, Mencuccini M, Silva Junior JA, da Costa ACL, Meir P, Rowland L.   +16 more
europepmc   +2 more sources

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

Latin 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, Wagner Piazza Gaglianone   +1 more
doaj   +1 more source

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

Jornal 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, Vaneza Lira Waldow Wolf, Everton Paulo Roman, Gil Guerra-Júnior   +3 more
doaj   +1 more source

Acompanhamento do crescimento [PDF]

Jornal de Pediatria, 2003
OBJETIVO: apresentar conceitos relacionados a avaliacao do crescimento, ressaltando os aspectos da avaliacao do individuo. FONTES DOS DADOS: o artigo foi desenvolvido tomando como base as publicacoes que discutem a aplicacao da antropometria na avaliacao do estado nutricional, publicadas pela OMS, artigos originais e capitulos de livros com esse mesmo ...
Zeferino, Angélica M.B., Barros Filho, Antonio A., Bettiol, Heloisa, Barbieri, Marco A.   +3 more
openaire   +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

Jornal 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, Shadi Salek, Mehdi Salek, Mahin Hashemipour, Mahsa Movahedian   +4 more
doaj   +1 more source

Crescimento pós-menarca [PDF]

Arquivos Brasileiros de Endocrinologia & Metabologia, 2000
Embora a menarca seja um fenômeno tardio dentro do processo puberal, muitos pais percebem, só neste momento, que suas filhas não são mais crianças. Os pediatras são procurados nessa ocasião para esclarecer certas dúvidas e tranqüilizá-los. Com certa freqüência, indagam sobre o potencial de crescimento da menina e pedem que seja estimada sua estatura ...
Castilho, Silvia D., Barras Filho, Antonio A.   +1 more
openaire   +3 more sources

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

Jornal 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, Sanam Farajian, Morteza Safavi, Maryam Mirlohi, Mahin Hashemipour   +4 more
doaj   +1 more source

China: estabilidade e crescimento econômico [PDF]

Revista de Economia Política, 2010
China: stability and economic growth. China experienced an extraordinary economic growth since 1978, while keeping inflation low. Which are the main determinants for this performance and to what point has macroeconomic policy been responsible? Obviously, many factors have been important although none of them may be appointed as the sole determinant ...
openaire   +6 more sources

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

Revista 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, Keila Donassolo Santos, Wellington Roberto Gomes Carvalho, Ezequiel Moreira Gonçalves, Everton Paulo Roman, Giseli Minatto   +5 more
doaj   +1 more source

Factores de Crescimento Hematopoiético

Revista Portuguesa de Pneumologia, 1995
SUMMARYHematopoietic growth factors (HGF) are glycoproteins that control the proliferation and differentiation of blood cells. In the aim to reduce morbiedity, improve survival and quality of life in patients submitted to mielossupressive therapies, intensive clinical and experimental research has been undertaken in an attempt to avoid the degradation ...
Maria De Fátima Miguel Rodrigues, Margarida Cristóvão, Agostinho Costa, M.a José Melo   +3 more
openaire   +2 more sources