nowadays, the environmental impact of transportation project and, especially air pollution impacts, are major concerns in evaluating transportation projects. based on this concern, beside definition of traditional objective functions like total travel time and total investment cost, different type of environmental related function is considered as objective function in urban network design. in ...

since the jurisprudential traditions have accepted clearly buying & selling the hunter dogs and there is no available jurisprudential traditions about other species of dogs like as flock, garden and..., many of the jurists don't accept the trading and selling of those dogs. but deliberating upon traditions show that the buying & selling of those dogs is correct and there is no problem. in ...

yard crane is an important resource in container terminals. efficient utilization of the yard crane significantly improves the productivity and the profitability of the container terminal. this paper presents a mixed integer programming model for the yard crane scheduling problem with non- interference constraint that is nphard in nature. in other words, one of the most important constraints in...