This study examines the a brane Fuel Cell (PEMFC) b an approximatedmulti-co balance. Accuracy is assess and the correctedAMCmo does not permit the direct and to implications that C and mixture diffusion coe the maximum error betwe appropriate for PEMFC ap

Rural growth is seen as an engine to drive the economy of developing countries and the use of Agriculture Market Information Services (AMIS) is believed to enable this growth. This paper is based on a literature study and investigates the spread and use of AMIS in the least developed countries (n=49) in terms of users, management, funding, infrastructure, and data. We investigate success as wel...

Diffuse Charge Effects in Fuel Cell Membranes P. Maarten Biesheuvel, Alejandro A. Franco,* and Martin Z. Bazant* Department of Environmental Technology, Wageningen University, Wageningen, The Netherlands Materials Innovation Institute, Delft, The Netherlands Commissariat à l’Energie Atomique/DRT/LITEN/Département des Technologies de l’Hydrogène/ Laboratoire de Composants PEM, 38000 Grenoble, Fr...

It is widely recognized that the Internet offers tremendous potential for education at all levels. This article describes a case study examining how an Internet communication program, EdPsy Web, which was used to support a pre-service teacher training course changed the quality of social and intellectual interactions relative to those found in a traditional classroom setting. Using a post-cours...