We consider a cement delivery problem with an heterogeneous fleet of vehicles and several depots. The demands of the customers are typically larger than the capacity of the vehicles which means that most customers are visited several times. This is a split delivery vehicle routing problem with additional constraints. We first propose a two phase solution method that assigns deliveries to the ve...

this study was conducted to evaluate histochemical alterations of river buffalo’s uterine wall acid andalkaline phosphatases (alp and acp), lipase and carbohydrate ratio during follicular and luteal phases.forty apparently healthy and non pregnant river buffalos were considered for removal of the uterus aftersacrifice in slaughterhouse. all dissected uteri were divided into two luteal (by obser...

the main purpose of this study is to investigate the effect of identity made by a brand for customrers on their anti-brand activities through brand love and brand jealousy. the present study is an applied research and is descriptive/ survey research in terms of methodology. the statistical population consists of all benetton customers who buy at benetton store in shriaz city, of which 384 custo...

oak trees cover a wide range of forests in iran and most of them are located in kohgiloye and boyer-ahmad province (k.b). the high tannin is one of the anti-nutritional characteristics of acorn for domestic animal. wide range of gut microorganisms could tolerate tannin and reduce it by producing tannase enzyme. this study was carried out to isolate and identify the tannin resistance bacteria (t...

regarding the highly intensive competition in the market, nowadays using customer-oriented strategies is necessary for retention and attraction of the costumers. nevertheless, using those kinds of strategies depends on understanding customer behavior patterns and classification of customers in accordance with those patterns. the current study aims to determine the strategies for dealing with ne...

Today development projects, in particular the development of complex products, are in many cases no task of a single company anymore. They usually require the active involvement of suppliers and sometimes even of customers. Since all involved partners have to invest time and money in the development activities it has to be ensured that the new product generates concrete value for the potential ...

A new queue, referred to here as the HetSigma queue, in the Markovian framework, is proposed in order to model nodes in modern telecommunication networks. The queue has many of the necessary ingredients, such as joint (or individual) Markov modulation of the arrival and service processes, superposition of K CPP (compound Poisson process) streams of (positive) customer arrivals, and a CPP of neg...

The Internet transformed a large number of industries, resulting in various e-commerce business models. An industry that has experienced a particularly large impact is tourism. Although numerous travel agencies offer their services online, the question about the design of online vis-à-vis offline distribution channels continues to persist. This research investigates the value creation for custo...