Resumo-Este artigo apresenta uma técnica de interrogação de sensores à fibra óptica baseados em redes de período longo (LPG). A técnica utiliza um modelo matemático no qual as equações das componentes harmônicas do sinal elétrico consideram a variação na largura do espectro de absorção da LPG ao interrogar diferentes substâncias. A validação da técnica foi comprovada por resultados experimentais das medidas do índice de refração das substâncias testadas, quando considerado a variação na largura espectral de absorção.
The main objective of this study is to analyze the profile of the non -automatic financing operationscontracted by the sugar -energy sector with the National Bank for Economic and Social Development (BNDES) in the period 2000 -2015
The Jambulor jambolan has been used for many years in traditional Indian medicine as treatment for various diseases for example, diabetes mellitus, as well as bactericide. This study aimed to determine the conductivity in different samples of a freeze-dried aqueous extract of Syzygium jambolanum. The readings of the electrical voltages of the samples subjected to different treatment conditions were carried out in a pH meter. Depending on the performed statistical analysis could be noticed a significant difference (p <0.001) among all samples analyzed groups. In view of the results obtained, it can be suggested that the behavior related to changes in the electrical voltage values of the samples of an aqueous extract of Syzygium jambolum, is related to the presence of molecules derived from flavonoids with antioxidant properties, which can be molecules anthocyanin, which may be present in the samples of said plant extract Studied.
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