This paper considers a scheduling problem with two identical parallel machines. One has unlimited capacity; the other can only run for a fixed time. A given set of jobs must be scheduled on the two machines with the goal of minimizing the sum of their completion times. The paper proposes an...

Organizational commitment was measured by Organizational Commitment Questionnaire (OCQ) which consists of two scales: an affective commitment scale and a continuance commitment scale. This study used quantitative methodology to examine the relationship between affective and continuance...

Proton exchange membrane fuel cells (PEMFCs) is a promising candidate as energy systems. However, the stability and lifetime of cells are still important issues. The effect of surface roughness on metallic bipolar plate is discussed in this paper. Various roughness on the bulk surface are...