نتایج جستجو برای: multi periods
تعداد نتایج: 574292 فیلتر نتایج به سال:
In this study, a bi-objective model for integrated planning of production-distribution in a multi-level supply chain network with multiple product types and multi time periods is presented. The supply chain network including manufacturers, distribution centers, retailers and final customers is proposed. The proposed model minimizes the total supply chain costs and transforming time of products ...
In this paper a multi-period inventory control problem will be analyzed. Periodic replenishment will happen totally stochastic and also the periods between two replenishments are independent and identically distributed random variables .indeed producer is encountered with customer in stochastic time. Also the decision variable has been chosen as an integer. In first model shortage will be back...
Supply chain management is taken into account as an inseparable component in satisfying customers' requirements. This paper deals with the distribution network design (DND) problem which is a critical issue in achieving supply chain accomplishments. A capable DND can guarantee the success of the entire network performance. However, there are many factors that can cause fluctuations in input dat...
We approach the problem of adaptively combining the predictions of an ensemble of seasonal climate models as a Multi-task Learning (MTL) problem. Unlike the traditional MTL setting, we only have a single functional task (combining the predictions ensemble members), where we consider multiple forecast periods from the same suite of models as our multiple learning tasks. Even though the same mode...
drought is the one of the repeating phenomenon in all areas with high rainfall and low rainfall climates and is known as a natural disaster. iran is one of the countries those involved with this phenomenon in different parts of it especially in river basins. tehran province due to its importance in terms of social and political faced with growing population that it would contributes to the redu...
Hepatitis C virus (HCV) infection is highly prevalent in thalassemic patients, and this may decrease the serum antibody response to hepatitis B virus (HBV) vaccine. There is also some alteration of the immune system in multi-transfused thalassemic patients, as a consequence of iron overload. We investigated whether HCY infection may reduce the effectiveness of HBY vaccine in multi - transf...
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