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Technological surveillance in byproducts from the fish agroindustry [Vigilancia tecnológica en subproductos de la piscicultura]
In the article, we present topics of competitiveness, value chain and strategic initiatives of the Colombian fishing sector, complemented with a Technological Surveillance exercise in three topics related to fish byproducts: ...
Stress at ultimate in unbonded tendons for ungrouted post-tensioned masonry beams
Accurate estimation of tendon stress is crucial for calculating the flexural capacity of post-tensioned masonry members. Tendon stresses in bonded elements may be calculated based on strain-compatibility. For unbonded ...
Differential galois groups and representation of quivers for seismic models with constant hessian of square of slowness
The trajectory of energy is modeled by the solution of the Eikonal equation, which can be solved by solving a Hamiltonian system. This system is amenable of treatment from the point of view of the theory of differential ...