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Numerical model to evaluate the fire resistance in wooden slabs with cavities

The main objective of this paper is to develop a numerical model for thermal analysis of wooden slabs with cavities, when subjected to the fire action. The temperature profiles, the charring depth layer and the charring rate will be determined using the finite element method with ANSYS program. The numerical calculation of the temperature profiles will be obtained through a transient and a non-linear thermal an...

Swimming training down-regulates plasma leptin levels, but not adipose tissue o...

The aim of the present study was to assess the effects of endurance training on leptin levels and adipose tissue gene expression and their association with insulin, body composition and energy intake. Male Wistar rats were randomly divided into two groups: trained (N = 18) and sedentary controls (N = 20). The trained group underwent swimming training for 9 weeks. Leptin and insulin levels, adiposity and leptin ...

Hemorragia uterina disfuncional na adolescência

Os problemas menstruais constituem aproximadamente 50% das queixas ginecológicas na adolescência, sendo a hemorragia uterina disfuncional responsável por 90 a 95% dos casos. Trata-se de uma entidade clínica muito frequente nos 2 primeiros anos após a menarca, uma vez que os ciclos menstruais tendem a ser anovulatórios. É um diagnóstico de exclusão, devendo outras possíveis causas ser estudadas: discrasias sangu...

Detecção de adrenomieloneuropatia e adrenoleucodistrofia cerebral infantil em p...

Desacidificação de oleos de babaçu e de algodão por extração liquido-liquido.

The liquid-liquid extraction was used for babassu and cottonseed oil deacidification. For the babassu oil the study was performed based on the equilibrium data determined for systems containing refined babassu oil + lauric acid + ethanol + water at 30°C, varying the water concentration in the solvent (aqueous ethanol with 0.26; 5.57; 10.45; 20.29; 29.72 mass %). The increase of the water concentration resulted ...

The role of gallery forests in the distribution of cerrado mammals

The Cerrado biome contains a rich mammal community, with an influence from the Amazonian and Atlantic rainforests, principally observed in the gallery forests. In this paper, through literature review, it is shown that the non-volant mammal community of the gallery forests is distinct from the mammal communities of any other physionomy of the Cerrado. Additionally, the gallery forests contain twice as many spec...