This paper presents a briefly review, some trends and perspectives in the field of Photovoltaic energy conversion, which is considered to be the most important renewable energy source in few years, in the coming decades. ...

Over the last decade, Brazil has pioneered an innovative model of branchless banking, known as correspondent banking, involving distribution partnership between banks, several kinds of retailers and a variety of other ...

In this paper we present our preliminary results which suggest that some field theory models are `almost` integrable; i.e. they possess a large number of `almost` conserved quantities. First we demonstrate this, in some ...

The purpose of this article is to characterize and discuss the elements and functions most commonly integrated in Brazilian companies certified by the management systems ISO 9001, ISO 14001 and OHSAS 18001 and to identify ...

Continuous development of new and improved products is seen as a key factor for business survival and growth. A new product that satisfies consumer s needs in an efficient and opportune manner increases competitive ...

Discussions about socio-spatial integration in the US have been primarily focused on research into residential segregation. The treatment of these two concepts as opposites has had two consequences. First, most policies ...