In this paper, we consider a multi-server queuing system in which additional servers are allowed for a longer queue to reduce the customer’s balking and reneging behavior. The customers are assumed to arrive in Poisson fashion and their service- times follow exponential distribution. The number of servers in long run depends on the queue-length. We obtain equilibrium queue size distribution. Th...


 Peafowl are a species of bird for which there is limited scientific research, despite the ‎importance respiratory system on health. This study aimed to provide detailed ‎anatomical examination and comparative description lungs in adult male female ‎indigenous peafowl (Pavo cristatus) further our understanding ‎this species. Sixteen healthy (8 peacocks 8 peahens) were obtained from ‎comme...