Listar FRD - Investigación - Ciencia y Tecnología por título
Mostrando ítems 124-143 de 149
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Scanning optical coherence tomography applied to the characterization of surfaces and coatings
(El Sevier, 2014)This paper shows the technique of optical coherence tomography in the frequency domain (OCT-FD) to obtain surface topography and tomography of surface coatings. The setup is based on a superluminescent diode centered on ... -
Simple method for thickness measurement in opaque samples with a Michelson-Sagnac interferometer
(2008-04-24)We present in this work a method to measure thicknesses of opaque samples. The technique combines the use of low coherence interferometry with a Michelson-Sagnac configuration. This ring set-up let us to measure both faces ... -
Simultaneous measurement of deformation and thickness change in polymer films
(2006-08-14)We present experimental results in deformation measurement and thickness change in polymer films employing Fourier domain interferometry. The set-up is a Michelson configuration in which interference signal betweeen light ... -
Site-specific bioremediation by bioaugmentation and biostimulation approaches on a chronically hydrocarbon-contaminated industrial soil.
(2023-09)The present study describes practical implication of bioaugmentation and biostimulation processes for bioremediation of an industrial soil chronically contaminated by hydrocarbons. For this purpose, biomass production of ... -
Síntesis de nanopartículas híbridas dieléctrico-metal y estudio de sus propiedades ópticas
(2018)Se sintetizaron y estudiaron nanopartículas esféricas del tipo núcleo-cáscara de sílice y oro, con control de sus dimensiones. En una primera etapa se realizó la síntesis de esferas de SiO2 monodispersas de varios tamaños, ... -
Sodium chloride substitution in industrial white slide diary bread
(2021-03)Introduction. The effect of sodium chloride replacement was studied in industrial white slice diary bread, promoting a technological approach to decrease the sodium content from bakery products in order to respond to the ... -
Spectral sensor resolution measurement improvements by temporal analysis
(IEEE Xplore, 2017-12-18)In this work we present time domain interferometry (TDI) and spectral domain interferometry (SDI) techniques applied to a fiber optic Fizeau interferometer sensor. This class of sensor is capable of measuring parameters ... -
Strategies to develop healthier industrial white slice diary bread through fat, sugar and flour substitution
(2021-04)Introduction. Industrial white slice dairy bread (WSDB) is an interesting target for developing a reduced calorie bread as it contains fat and sugar in its formulation. Three commercial substitutes were evaluated in this ... -
Sweet potato root waste: evaluation of a culture medium to produce xylanases from Cellulosimicrobium sp. CO1A1.
(UTN Facultad Regional San Francisco, 2022-08)The development of bioprocesses using agro-industrial waste is one of the most interesting challenges in biotechnology today, as it leads to the reuse of waste in an environmentally responsible way and the development of ... -
Theoretical and experimental analysis of the elastic support rigidity coefficient´s value on the natural frequencies in beams
(2019-11)En este trabajo se analiza la influencia que tiene la variación del coeficiente de rigidez de los vínculos elásticos en las frecuencias naturales de vigas Euler-Bernoulli. Además, se describe qué relación existe entre las ... -
Time Fourier domain low coherence interferometry
(2022-04)We presented a new system that combine Time Domain and Fourier Domain Low Coherence Interferometry. Moving one interferometer arm the Fourier Transform can be detected in the photodiode. Maths and experimental results are shown. -
Topografía de superficies obtenida por interferometría de baja coherencia de alta resolución espacial
(2016)La tomografía óptica coherente (OCT por sus siglas en inglés) es una técnica óptica no destructiva, que utiliza una fuente de luz de gran ancho espectral que se enfoca sobre un punto de la muestra para determinar la distancia ... -
Transparent glass slab thickness measurement by binary-spot focus signal
(2019-12-12)Focus error systems based on the astigmatic principle relying on four quadrant photo detectors as the signal generation element have widely been used in many different applications. Nevertheless, its working principle ... -
Tratado de Ultrasonido, Emisión Acústica y Ruido Barkhausen
(Angel César Veca, 2019)Tratado de Ultrasonido, Emisión Acústica y Ruido Barkhausen -
Use of sweet potato root residues as carbon source for the growth of xylanase-producing Cellulosimicrobium sp.
(NUFT, 2021-09)Application of sweet potato root (SRP) residues as an alternative carbon source to formulate a culture medium for the growth of xylanase-producing microorganisms, is presented in this article. Six commercial varieties of ... -
Valorización de un cultivo andino (yacón) mediante la producción de una fitasa de levadura asociada a la célula mediante un proceso estadísticamente optimizado.
(6to Simposio Argentino de Procesos Biotecnológico, 2021-08)El Yacón, Smallanthus sonchifolius (Asteraceae) es un cultivo tradicional andino pre-incaico extendido desde Colombia hasta el norte de Argentina. En sus raíces reservantes acumula hasta un 70% del peso en fructooligosacáridos ... -
Valorization of an Andean crop (Yacon) through the production of a yeast cell-bound phytase.
(2021-08)The suitability of the yeast Schwanniomyces (f. Debaryomyces) occidentalis to produce phytase activity on a Smallanthus sonchifolius (yacon) extract-based medium (YSM) was studied. Optimal conditions for phytase production ... -
Variational approach of Timoshenko beams with internal elastic restraints
(2013)An exact approach for free transverse vibrations of a Timoshenko beam with ends elastically restrained against rotation and translation and arbitrarily located internal restraints is presented. The calculus of variations ... -
Vegetable oil contaminated sites: bioremediation treatments.
(2023-07)The environment is negatively impacted by occasional discharges from industrial activity. When these events contain insoluble compounds such as fats and oils, they are high impact pollutants. This work focuses on an ... -
Vibraciones de un pórtico de dos tramos con restricciones elásticas y dos rotulas elásticamente restringidas
(ASOCIACIÓN ARGENTINA DE MECÁNICA COMPUTACIONAL AMCA, 2013-11)El análisis del comportamiento dinámico de componentes estructurales es un estudio esencial en problemas de ingeniería. Particularmente, el estudio de las vibraciones libres de pórticos es un análisis típico cuando se ...