نتایج جستجو برای: material transportation
تعداد نتایج: 418729 فیلتر نتایج به سال:
This paper provides a comprehensive review in the domain of hazardous material transportation from an Operational Research point view. The paper's focus lies on hazmat routing, routing-scheduling, and network design problems. objective this is twofold: (1) reviewing models’ assumptions, objectives constraints, decisions, input parameters, basic modeling/solution techniques, case studies, (2) hi...
This paper studies the raw material ordering and transportation strategy based on principle of integer programming. Based production data a certain enterprise, original attachment is firstly analyzed, 6 indicators are selected weight coefficient each indicator determined by TOPSIS entropy method. Then, 0-1 programming model for solving minimum number suppliers established, most economical schem...
Background and purpose: In a recent century, the amount of construction waste has increased significantly. Although the building industry has a considerable role in the development of a society, it is regarded as an environmentally destructive. Source reduction is the highest goal in the waste management hierarchy and is in priority. It also has economic benefits by reducing costs associated wi...
Nacrtak The importance of forest wood chips as fuel for energy production will increase relative to sawmill by-products. The additional production is not a question of potential (harvesting residues, wood from thinning, coppice stands and short rotation forests) but more so a question of economic feasibility. The analyses of different chip production systems resulted in the identification of tw...
Manufacturing supply chain planning is a key factor of manufacturing supply chain management. Assignment of the production tasks, inventory control and transportation between the plants or the enterprises needs to be considered in manufacturing supply chain planning. Extended state task network (ESTN) is proposed in order to abstractly describe the production tasks with complex product producti...
Making great strides in social economy, demands for the material is growing, at the same time,it also stimulates the development of logistics.The railway-water combined transportation of our country is being into a golden opportunity, With the support of national policy and the improvement of railway transportation capacity,it's preparing for the development conditions of the railway-water comb...
This work reports on the synthesis of rare earth-doped Li₄Ti₅O12 nanosheets with high electrochemical performance as anode material both in Li half and Li₄Ti₅O12/LiFePO₄ full cell batteries. Through the combination of decreasing the particle size and doping by rare earth atoms (Ce and La), Ce and La doped Li₄Ti₅O12 nanosheets show the excellent electrochemical performance in terms of high speci...
background and purpose: in a recent century, the amount of construction waste has increased significantly. although the building industry has a considerable role in the development of a society, it is regarded as an environmentally destructive. source reduction is the highest goal in the waste management hierarchy and is in priority. it also has economic benefits by reducing costs associated wi...
We describe a stochastic network interdiction model for locating sensors that detect nuclear material. A nuclear material smuggler selects a path through a transportation network that maximizes the probability of avoiding detection. An interdictor installs sensors to minimize that maximum probability. We formulate this problem as a bi-level stochastic mixed-integer program, and then focus on a ...
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