Community surveys are essential to estimate health indicators, evaluate health programs, and define health interventions. In 2002, a cross-sectional survey of children under five was conducted in 18 areas of the poorest counties in North and Northeast Brazil. Nine areas were visited by volunteer community health workers (CHW) under the Children's Mission, and the others were not visited. Using ...

Labyrinth spillways are considered as suitable and economic structures because, firstly, their discharge flow rate, under low hydraulic heads, is high, and secondly, they occupy less space. The flow over these spillways is three-dimensional and is influenced by several parameters. This study endeavors to offer a new equation for the calculation of the discharge flow of triangular labyrinth spil...

Abstract: In recent years deadly earthquakes in seismic areas have caused special concerns regarding liquefaction phenomenon by researchers and specialists. Excess pore water pressure in loose sediments may cause phenomena such as boiling, shearing strength and dynamic stiffness reduction and lateral movements cause difficulties. Many remedial methods such as soil replacement with proper materi...