Experiment of water vapor adsorption/desorption rate in a desiccant rotor regenerated directly by concentrated artificial solar light irradiation

A solid desiccant air-conditioning system has received widespread attention, since it holds obvious predominance such as using low grade solar energy for a regeneration process of desiccant materials.For heating and regenerating a desiccant rotor in the system, indirect methods such as air heating or water heating with solar collectors have been fo

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Factors associated with the occurrence of upright birth in Brazil

ABSTRACT Objective: To identify the factors associated with Upright Delivery (UD) performed in hospitals linked to the Rede Cegonha (RC) in Brazil.Methods: Cross-sectional study with 3,073 parturients who had vaginal delivery in 606 health facilities in Brazil, located in health regions with a regional action plan approved in the RC.Socioeconomic,

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