Objectives: To describe patterns of nonprescribed use of tranquilizers by students aged 10 to 18 years and assess the sociodemographic characteristics of these adolescents and their use of other substances.Methods: A randomized and stratified sample of 47,979 students from state and private schools of the 27 Brazilian state capitals completed a sel
For decades, conventional amour shield is mainly oriented on metallic materials which are today well-known.Since the use of non conventional threats as IEDs, performances of those protections are required to be upgraded.The expected improvements that manufacturers are looking for are mainly oriented to the weight reduction which is the key paramete
With the development of our industrial society, the reconstruction of solar wind parameters in the inner heliosphere becomes very important korpskaft to understanding the interplanetary propagation of various types of space weather disturbance.However, the situ observations of solar wind parameters are only applicable to several points where spacec