Listar por tema "Ultrasound"
Mostrando ítems 1-4 de 4
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Performance of biodiesel production by means of Ultrasonic Transesterification
(Corporación Universidad de la CostaColombia, 2021)Introduction— In recent years, the use of renewable energies and eco-friendly fuels has increased, among which one of the best performance is biodiesel; the paper shows an upgrade in the efficiency and effectiveness ... -
Relación entre los ensayos ultrasónico y convencional para determinar la resistencia del concreto simple a la compresión
(Corporación Universidad de la Costa, 2016-06-13)Los ensayos de resistencia de especímenes de concreto por el método de ondas ultrasónicas contienen muchas variables tales como tamaño de los agregados, relación agua cemento, temperatura, densidad de los materiales, entre ... -
Synthesis of geopolymers from fly and bottom ashes of a thermoelectrical power plant for metallic ions adsorption
(Springer Science + Business MediaGermany, 2021)A series of geopolymers were synthesized from fly and bottom ashes of a thermoelectrical power plant located in the Brazilian southern, aiming to add value for these wastes. The geopolymers were prepared in conventional ... -
Ultrasound: a fast low-cost tool for the diagnosis of rheumatoid arthritis in a specialized center
(Value in health 21, 2018)Objectives: Ultrasound technology had considerable developments, becoming a safe and efficient alternative to complement the diagnosis of rheumatoid arthritis (RA). We aimed to evaluate the cost and effectiveness of ...