The purpose of this study is to analyse the determinants of life expectancy as proxy for health status of the OECD countries‘ population. A production function of health is used to explain life expectancy at birth for total and ageing population and according to gender. Socio-economic factors,...

ABSTRACT This paper presents a summary on the evaluation of food quality of corn cultivars used in Huambo. Planted in large scale in the whole area of the Province, is usually processed into flour (osema). Corn is stepped to take the tegumneto and then placed in a pot next to the hot ash for two...

Huambo city although currently not industrialized, list an increasing degradation of its environment in terms of atmospheric and noise pollution, for the fact of current lack of supply of electric energy, to stimulate the use of individual form, electric chain generators on the part of the city...

An integrated mathematical model for the evolution of urban structure and population ist presented. The city configuration consists of an occupation number representation of different kinds of buildings such as lodgings and factories distributed over a grid of plots, and the population...