Existing transmission planning models consider basic aspects of the problem. In practice, a transmissionutility needs to model other important details such as operation cost of the power system. In this article, a least ...

Sugarcane is highlighted in Brazilian agribusiness; however, some operations must be investigated from a technical and economic point of view, such as harvesting. The objective of this work was to estimate the cost of a ...

There are various components of the total costs of transport: (1) the costs of infrastructure; (2) costs incurred by transport operators; (3) costs borne directly by users (e.g., time and inconvenience costs); and (4) costs ...

Strategies to reduce operating costs at an expanding shrimp hatchery in NW Mexico are presented for a period covering 3 years (2004–2006). The hatchery increased its greenhouse-type larval rearing halls from three (50 ...

The use of adapted harvesters for harvesting first-crop coffee requires a lower cost and exhibits a higher efficiency than manual harvesting. In view of this, the present study aimed to analyze the operational cost of ...

This research presents an identification and evaluation of the costs involved in rural school transportation in the municipality of Derrubadas/RS. It compiles and analyzes of the costs involved in rural school transport, ...

The constant technical and economic analysis of timber harvesting operations is essential and determining, due to the monetary magnitude. Traditionally, these analyses are conducted deterministically, which does not allow ...

Objective: This article models the cost-effectiveness, from a societal viewpoint, of a dental caries prevention program using salt fluoridation for children 12 years of age, compared with non-intervention (or status quo) ...

The main objective of this work is to use environmental and economic objective functions to select the operating conditions of process plants. The operating conditions of a steam and power plant are selected to minimize ...