Production Scheduling and Distribution in Downstream Sector Using Block-Structured Linear Programming Solution Technique ： A Comparative Analysis

The aim of this paper is to compare block-structured linear programming （LP） models against other practical optimization methods for solving downstream product refinery problems using a solution method different from the existing ones （like mixed integer linear programming （MILP） method）. The work X-rays the Nigerian petroleum refining industries and their channel of distribution in the local setting and identifies the critical features of scheduling and allocation of refined crude products; either for distribution within the country or for exportation to the international market. Applying our model to the distribution model, the computational results reveal a better route with lowest transportation cost for the scheduling problem and the best optimal blend with higher revenue for the production problem.

论现代纤维艺术中女性气质的视觉体现

现代纤维艺术起源于纤维艺术。作为当代艺术类型之一的现代纤维艺术近年来越来越受到人们的关注。而女性艺术家具有的细腻、敏感地创作表达与现代纤维艺术自身有着某种共鸣,这也使得女性对现代纤维艺术的创作材料有着先天性的感知。本文基于性别差异对现代纤维艺术创作产生的影响,特别选取代表性的女性纤维艺术家,分析她们是如何从自身感悟出发进行视觉体现的。