| 1. | Transportation models play an important role in logistics and supply chain management for reducing cost and improving service
运输模型在物流和供应链管理中为降低物资消耗和提高服务质量发挥着重要作用。 |
| 2. | School of public affairstexas southern univerity . freight transportation modeling and planning : case study on the ports in los angeles
Qisheng pan副教授南德克萨斯州大学公共事务学院货物运输模式和设计:关于洛杉矶港口的案例研究 |
| 3. | While the existing ordnance transportation models haven ' t taken the uncertainty into account and can ' t be applied in uncertain process
然而，已有的军械调运模型均未考虑这种不确定性，无法适用于时间和损失不确定的调运决策优化。 |
| 4. | A three - dimensional curvilinear orthogonal mass transportation model is established in this paper . the distribution of the contamination in jiaozhou bay is simulated
结果表明：胶州湾内主要污染物为无机氮，其浓度在0 . 1 1 . 0mg l之间，最大中心浓度在墨水河入海口附近。 |
| 5. | Transportation paradox is the abnormal phenomena in transportation problem , and the reason lies on the definition . as the transportation paradox is concerned , a new transportation model is presented whose restriction is variable
运输问题“悖论”是确定型运输问题中存在的“反常”现象，其根源在于运输问题模型的定义。 |
| 6. | In addition , this method also helps to establish corresponding transportation model aiming at specific problems , which has much importance to wider and deeper application of porous media seepage theory
另外，宏观几何分类方法亦有助于针对特定问题建立相应的输运模型，这对多孔介质渗流问题更广泛、深入的应用具有重要意义。 |
| 7. | Based on the method of porous media macroscopic geometric classification and the analytical theory of two - substance attenuate consistency problem , the idea of establishing transportation model of porous media is put forward
基于多孔介质宏观几何分类方法和二组元稀薄浓度问题系统分析理论，提出了建立多孔介质输运模型的思路。 |
| 8. | Methods such as branch and bound algorithm , mixed integer programming , transportation model and separable linear programming method have been used in recently years . others are heuristic methods like genetic algorithm
近年来求解选址模型用得较多的数学优化方法有分支定界法、混合整数规划法、运输模型法、可分离线性规划法。 |
| 9. | On the basic , a new solution is put forward that can eliminate transportation paradox . according as the fact in a large - scale material dispatching system , a new transportation model is established , which has many characteristics listed below . firstly , producers " supply capabilities and consumers " demands vary in a certain range
该模型具有两个特点：首先，模型中的发量、收量均为变量，避免了运输问题中的“悖论”问题；其次模型中的中转点具有储存功能。 |
| 10. | Chapter five took advantage of synergetics theory to established an synergetic transportation model of logistics enterprise system in transportation network . control parameter threshold value equation was derived and we combined data of logistics enterprise ' s instance to writer a program to calculate numerical val
第五章应用协同学自组织临界理论构建物流企业系统在物流网络区中的协同运输模型，推出控制参量临界值公式，然后结合实例分析得出的数据，编写程序并计算出分叉点控制参量kc的数值，求出几个主要的序参量之间的对应关系，为物流运输调运决策提供依据。 |
