In this work the optimization-based, integrated concurrent design method is applied to the modelling, analysis, and design of a transportation fuel cell system. A general optimal design model considering both functional performance and production costs is first introduced. Using the Ballard Mark V Transit Bus fuel cell system as an example, the study explores the intrinsic relations among vario...

introduction: the e xecution of composed educational programs for general practitioners is one of the most common methods of continuing medical education. this research project aims to evaluate one of these programs. methods: for this purpose, a pre- and post-test design was developed. the subjects consisted of 45 participants. they were tested (by a 76 mcq knowledge test) in two stages: before...

introduction: in the design of educational programs, much attention has been paid to teaching methods, needs assessment, an important part of the development of educational programs, generally is neglected. another important aspect in educational program design is assessing effectiveness. the aims of this study were to design a formal needs assessment program to define the core contents of a fa...

The PLL Design Assistant package is provided as a self-extracting executable file for Windows 2000/Xp. Simply download the file setup_pll_design.exe, run it in Windows (i.e., double click on it in Windows Explorer), and then follow the setup instructions. To run the program: Click on the PllDesign icon created during the installation process. The PLL Design Assistant provides a graphical user i...