The Single-Vendor-Single-Buyer Integrated Production-Shipment Model with Stock Dependent Demand Rate

In the integrated production-shipment models for the single-vendor-single-buyer system presented hitherto, the demand rate of items is treated as a constant. However, many researchers have observed that the presence of more quantities of the same product tends to attract more customers. This suggests that the demand rate should depend on the stock level. This paper presents a single-vendor-single-buyer production-shipment model with the stock dependent demand rate, based on the demand rate linearly depending upon the stock level at any instant of time.     

舟山航运中存在的安全隐患及相应对策

分析了舟山航运存在的安全隐患，提出了解决这些问题的相应的对策或措施，旨在提高海上航行安全，保障船员生命安全。