The objective was to determine the prevalence of iron, folates and retinol deficiencies in school children and to evaluate the changes after an intervention of nutritional education.The project was developed in 17 schools.The sample included 1,301 children (678 males and 623 females).A subsample of 480 individuals, was randomly selected for drawing
The Algae is considered as one of the major causes of some serious problems that occur in water plants, rivers, lakes and irrigation channels.Those problems are the unpleasant taste and odor, the clogging of waterways, and others.Hence, the algae existing extensively in any water body is considered as an obvious indication of surface water pollutio
Abstract Background To combat coronavirus disease 2019 (COVID-19), booster vaccination strategies are important.However, the optimal administration of booster vaccine platforms remains unclear.Herein, we aimed to assess the benefits and harms of three or four heterologous versus homologous booster regimens.Methods From November 3 2022 to December 2
A sliding vibration isolation system, affected by a kinetic friction force, provides a flexible or energy dissipation system for a structure.The kinetic friction coefficient of the contact surfaces between the moving parts changes with the relative moving velocity of the two contact surfaces.In this study, a smart measuring device is proposed to me