Linear model for Bulgarian inventory investment between 1962 and 1985

Article Abstract:

Material inventories in the Bulgarian economy were analyzed using inventory value volume representation and general average quantity indicators. These are used to define the degree of growth rate of the inventories in the national economy in terms of trends in development and inventory usage. The results show that investments come largely from increasing inventory intensity coefficient which has determined inventory usage deterioration, lower turnover and increased volume. Structural factors had a positive influence only until the end of the 1970s.

Analysis, Evaluation, Economic aspects, Investments, Bulgaria, Central planning

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Cement transportation planning via fuzzy linear programming

Article Abstract:

Fuzzy linear programming techniques that integrate uncertainty are used to resolve the cement transportation planning problem in Taiwan.Three kinds of fuzzy linear programming models are employed to assess the optimal transportation amount and the capacity of new facilities. The solution emphasizes the formulation of transportation planning problem that includes demand fulfillment, port capacity, traffic congestion constraints and trans-shipping operation capacity. The results are discussed.

Cement, hydraulic, Cement, Cement Manufacturing, Taiwan, Linear programming, Fuzzy logic, Transportation, Cements (Building materials), Fuzzy systems

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Selection of postharvest technology routes by mixed-integer linear programming

Article Abstract:

A model was developed to help design postharvest technology routes. The mixed-integer linear programming model helps in identifying postharvest technologies in produce cleaning, storage, packaging and aging. This will optimize the characteristics of the produce, the technologies available and manpower requirements in preserving the quality and availability of produce from farms to the consumers.

Farm product warehousing and storage, Agricultural Warehousing, Agricultural industry, Quality management, Technology application, Protection and preservation, Farm produce, Agricultural products, Crops, Crops (Plants), Agricultural processing

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