The present work aims to verify the frequency of the Percentage theme in tests of the 1st and 2nd phases of the Brazilian Mathematics Olympiad of Public Schools (OBMEP) for level 2 (8th and 9th grades) in the period from ...

In the constant search for new pharmacological compounds, molecular hybridization is a consecrated tool in medicinal chemistry for which two or more pharmacophoric groups are combined to create a new compound called hybrid. ...

This article presents a literature review using an exploratory and descriptive study methodology, seeking to relate the importance of education inserted in the Brazilian prison system and its relevance in the process of ...

Considering the difficulties in acquiring new rights-of-way for the construction of new transmission line projects and the need for such investments in the electricity sector due to the constant increase in energy demand, ...

Resistance to drugs against diseases caused by bacteria is increasing and becoming a growing public health problem. In this regard, O-glycosides, a class of molecules derived from natural carbohydrates, stand out due to ...

The quality of the air we breathe is a relevant issue of great importance to human health. When it comes to evaluating the concentration of gases, it is very common for calibrated equipment to be less accessible, normally ...

Sexuality has been present in the individual's life since his birth, and accompanies him throughout his life. Sexuality involves all forms of seeking and experiencing pleasure. The process of sexuality development is ...

Brazil, the fifth largest country in the world in terms of territory and population, is one of the countries that generate the most solid waste and most of this waste is not properly disposed of, thus generating a huge ...

Hydroxylamine is an inorganic compound that has a wide applicability and several derivatives, so it is necessary to study the reagent. This work has as object of study one of its derivatives, hydroxylamine hydrochloride, ...