拥挤型网络的路流组合及模型求解的搜索法

证明了一个路流组合定理并由此而给出了一个求解网络选址两级模型的算法，讨论了网络的Ｂｒａｅｓｓ性及其在网络规划中的应用前景。     

Technical Notes ：STUDIES ON THE VALUE OF SECONDARY MARKET TO THE SUPPLY CHAIN

This paper investigates the impact of a secondary market, where retailers can buy and sell excessinventories, on the supply chain. We develop a two-period model with a single manufacturer and tworetailers. At the beginning of the first period the retailers order and receive products from themanufacturer, but at the beginning of the second period, they can trade surplus products betweenthemselves in the secondary market. We investigate the impact of the correlated dependence ofretailers' demand on both the quantity effect and the allocation effect under the secondary market.Lastly,we study potential strategies for the manufacturer to increase sales with the existence of thesecondary market.     

FROM MANUFACTURING SCHEDULING TO SUPPLY CHAIN COORDINATION：THE CONTROL OF COMPLEXITY AND UNCERTAINTY

With time-based competition and rapid technology advancements, effective manufacturingscheduling and supply chain coordination are critical to quickly respond to changing marketconditions. These problems, however, are difficult in view of inherent complexity and variousuncertainties involved. Based on a series of results by the authors, decomposition and coordination byusing Lagrangian relaxation is identified in this paper as an effective way to control complexity anduncertainty.A manufacturing scheduling problem is first formulated within the job shop context withuncertain order arrivals, processing times, due dates, and part priorities as a separable optimizationproblem. A solution methodology that combines Lagrangian relaxation, stochastic dynamicprogramming, and heuristics is developed. Method improvements to effectively solve large problemsare also highlighted. To extend manufacturing scheduling within a factory to coordinate autonomicmembers across chains of suppliers, a decentralized supply chai     

关于超导机制的一些思考（待续）

对三旋理论应用于超导机制作一些介绍和研究。     

红外光谱法测定乙丙橡胶中丙烯的含量

乙丙胶经热压膜后测定8.65um和13.85um处的吸光度。Ln~(A8.65)/_(A13.85)值与丙烯含量C_3成直线关系,回归方程C_3％=54.43+16.45ln~(A8.65)/_(13.85)。未知样品,A,C,D,F丙烯克分百分数分别为41.0,53.1,40.4和59.7。     

MatLab在网络环境下的应用

介绍了基于MatLab的Web应用系统的开发过程,探讨了MatLabWeb应用开发的实施方法,展示了MatLab在Internet环境下的广泛应用前景.     

基于MDA实现前台控制器模式的Web安全

基于前台控制器的模式原理，讨论了采用MDA方式实现该模式的Web安全问题，介绍了2个Web安全集成的元模型：Accessor和SecureUML。     

20#管线钢在役焊接HAZ的组织与性能研究

在役焊接过程中，管内流动介质的快速冷却，易使接头出现氢致裂纹。对20^#管线钢在不同冷却条件和不同焊接线能量下的HAZ的组织性能进行了模拟研究。结果表明，在流动水冷却下，HAZ出现较多的贝氏体、马氏体和MA组元等不平衡组织，使得HAZ的硬度高达330HvN5，性能最差。采用大的线能量焊接，形成较多的上贝氏体和粒状贝氏体组织，对改善接头性能有利。因此，在避免烧穿的前提下增大焊接线能量或减小管内介质的冷却能力，减少高硬度不平衡相的形成，可以降低HAZ氢致开裂敏感性。     

火箭发射分布式仿真系统中信息交互方式设计

回顾了分布式仿真系统中交互协议的发展,在此基础上深入研究了四种应用最广泛的数据交互方式,结合工程实践对其在分布式系统中的优缺点进行了总结。针对火箭发射分布式仿真系统实用、高效的数据通讯的需要,选择了HLA和串行通讯相结合作为信息交互方式。重点研究了多线程串行实时通信的方法。系统运行证明在设计分布式系统信息交互方式时,针对实际灵活地选择合适的交互协议,是完全可以满足设计要求的。     

PDE-Based Medial Axis Extraction and Shape Manipulation of Arbitrary Meshes

Shape skeletonization （i.e., medial axis extraction） is powerful in many visual computing applications, such as pattern recognition, object segmentation, registration, and animation. In this paper, the authors expand the use of diffusion equations combined with distance field information to approximate medial axes of arbitrary 3D differential properties. It offers an alternative solids represented by polygonal meshes based on their but natural way for medial axis extraction for commonly used 3D polygonal models. By solving the PDE along time axis, this system can not only quickly extract diffusion-based medial axes of input meshes, but also allow users to visualize the extraction process at each time step. In addition, the proposed model provides users a set of manipulation toolkits to sculpt extracted medial axes, then use diffusion-based techniques to recover corresponding deformed shapes according to the original input datasets. This skeleton-based shape manipulation offers a fast and easy way for animation and deformation of complicated mesh objects.