Juan Carlos Villa

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A system dynamics model is proposed for analyzing the uncertainty caused by delays and disruptions at the U.S.–Mexican border, and how their effects propagate through the cross-border supply chains. Since Mexico's geographic proximity and low wages provide logistics advantages to North American Free Trade Agreement (NAFTA), it is becoming a favored(More)
Ubiquitous Computing (UC) is a paradigm in which stakeholders interact with machines in a natural way, without constraints of time, place or access medium. Data is available everywhere to be read, consulted and modified if needed. Thus, UC becomes a powerful tool for industrial applications, where a plenty of sensors, actuators and controllers are(More)
A system dynamics model is proposed for analyzing the uncertainty caused by delays and disruptions at the U.S.–Mexican border, and how their effects propagate through the cross-border supply chains. Since Mexico's geographic proximity and low wages provide logistics advantages to North American Free Trade Agreement (NAFTA), it is becoming a favored(More)
Biotechnological processes with lignocellulose materials are promising technologies for the production of chemicals and energy involving the same main production stages: hydrolysis of the hemicel-lulose and the cellulose to monomeric sugars, fermentation, recovery of the product, and concentration. We studied the effect of different treatments on the(More)
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