SELECTION OF REFERENCE VALUE OF LONGITUDINAL TO TRANSVERSAL ULTRASONIC WAVES VELOCITY RATIO ON PRESSURE PURPOSE STEELS FOR DETECTION OF CREEP

Common degradation process for industrial equipment in power and petrochemical industry is creep.The ultrasonic waves velocities and their ratio can provide feedback on stress-strain conditions generated by heat.Selection of potentially critically affected parts of pressure equipment can be theoretically accessed by their means.Selection of such Pe

read more


Ecosystem Services of Riparian Restoration: A Review of Rock Detention Structures in the Madrean Archipelago Ecoregion

In northwestern Mexico and the Sofa Beds southwestern United States, limited water supplies and fragile landscapes jeopardize world-renowned biological diversity.Simple rock detention structures have been used to manage agricultural water for over a thousand years and are now being installed to restore ecohydrological functionality but with little

read more