Now showing items 1-10 of 9278
Comparative analysis between a PEM fuel cell and an internal combustion engine driving an electricity generator: Technical, economical and ecological aspects
(Elsevier B.V., 2014-02-05)
In the recent years the fuel cells have received much attention. Among various technologies, the Proton Exchange Membrane Fuel Cell (PEMFC) is currently the most appropriate and is used in several vehicles prototype. A ...
A Study of Dairy Farm Technical Efficiency Using Meta-Regression: An International Perspective
(Instituto de Investigaciones Agropecuarias, INIA, 2009)
Technical efficiency measures for dairy farms using panel data: A comparison of alternative model specifications
(Springer Netherlands, 2008)
A statistical analysis of loss factor to determine the energy losses
Given that the total amount of losses in a distribution system is known, with a reliable methodology for the technical loss calculation, the non-technical losses can be obtained by subtraction. A usual method of calculation ...
The school evasion in the amazon context: A case from a technical courseAnálise da evasão escolar no contexto amazônico: O caso de um curso técnico
School dropout is a worrisome phenomenon at Brazilian public education, whose causes comprise different aspects. The present study analyzed the school dropout from a technical course in North of Brazil in order to minimize ...
Technical efficiency for a sample of Chilean wine grape producers: A stochastic production frontier analysis
(PONTIFICIA UNIVERSIDAD CATOLICA CHILE, FAC AGRONOMIA INGENIERIA FORESTAL, 2012)
What Factors Contribute to Attrition at Day-time Centres in the Skills Training Programme
Employing a narrative approach, this study sought to record and analyse technical and vocational education and training (TVET) trainees’ experiences with non-completion of the courses in which they enrolled. Data were ...