this paper has been done with the goal of assessment and prioritization of contractors of fars province electricity distribution company. such decision makings are generally complicated and are essentially considered as an multi-criteria decision making process. if the tasks assigned to contractors are not performed appropriately, it would lead to loss. in other words, contractors who cause the...

extended abstract 1. introduction high traffic volume is one of the most common problems of urban transportation in metropolises. the increase in the number of vehicles in case of not having necessary predictions also enhances the demand for fueling in places where mostly are unable to respond to such needs. site selection of public facilities is an instance of policies of local governments wit...

this paper presents a mathematical model for a flow shop scheduling problem consisting of m machine and n jobs with fuzzy processing times that can be estimated as independent stochastic or fuzzy numbers. in the traditional flow shop scheduling problem, the typical objective is to minimize the makespan). however,, two significant criteria for each schedule in stochastic models are: expectable m...

allochthonous masses are common structures in zagros fold-thrust belt. they are generally considered as collapse structures formed by the influence of gravity and in rock units with competency contrast. however, large allochthonous masses mapped in dowgonbadan area in dezful embayment near the mountain front fault (mff) of zagros show characteristics different from the belt common collapse stru...

nowadays, managing the relations between customers is a fundamental necessity in activities leading to the promotion in the chain of an organization. in fact, customers satisfaction and quality of services are considered as the vital issues in most industries and services. after-sales services will also become more important in near future in iran and the survival of domestic automobile industr...

With respect to the importance of commercial alliances in airline hypercompetitive environment, partner performance evaluation is a critical matter before making any decision about partnership. In this article, utilizing Fuzzy theory, a hybrid airline evaluation model is developed in a way that all airline performance strategic dimensions are considered, as well as, it can deal with qualitative...

background following coronary artery bypass graft (cabg), patients are at high risk (3.2%-8.3%) for developing hospital-acquired pneumonia (hap) with mortality rate of 24% to 50%. some of routine features in patients undergoing cabg are similar to clinical criteria of center of disease control (cdc) for diagnosis of pneumonia. this may lead to over-diagnosis of pneumonia in these patients. obje...