In order to solve the problem of cross-border e-commerce warehouses as transit stations and direct selling platforms, location a overseas warehouse is deeply studied on basis particle swarm optimization. Firstly, it studies principle algorithm optimization method Among them, self-built mode has high requirements construction threshold, which suitable for large enterprises. The model built by pr...

Improving energy consumption (EC) and order tardiness (OT) for a warehouse picker-to-parts system is challenging task since these two objectives are interrelated in complex way with forklift activities. Thus, this research aims to minimize EC OT multi-objective mixed-integer mathematical model by considering electric operations. The proposed addresses lack of studies controlling (i) batching, (...

A two-echelon push control system with one central warehouse and m branch warehouses is considered. The system is replenished once every cycle from an outside supplier and each cycle is divided into two different phases. While retaining the safety stock at the central warehouse, the bulk of inventories is directly shipped to the branch warehouses at the bel~inning of the first phase, and at the...

Skin disorders of the external ear are common. Although audiologists will not necessarily treat these conditions, it is important for them to be aware of these disorders and refer patients to a specialist in some instances. This report summarizes eight of the most commonly encountered skin conditions with an emphasis on recognition and appropriate referral. The cutaneous disorders of the extern...