Results 11 to 20 of about 1,147 (103)

Application of Photo-Fenton Process to Highly Saline Water Matrices: Effect of Inorganic Ions on Iron Speciation. [PDF]

open access: yesMolecules
The photo-Fenton process has been widely studied for the treatment of organic pollutants and disinfection in a wide range of scenarios. Nevertheless, its efficiency decreased when applied to complex matrices, as in the case of most advanced oxidation ...
Vallés I   +4 more
europepmc   +2 more sources

Production of Lactobionic Acid Using Gold Nanoparticles Synthesized with Fruit Myrciaria dubia Extract

open access: yesJournal of Nanotechnology, Volume 2023, Issue 1, 2023., 2023
Lactobionic acid (LBA) is a polyhydroxy acid with attractive properties in the pharmaceutical, cosmetic, food, medical, and chemical industries, making it a versatile product with multiple applications, which supports the various studies aimed at its production by increasingly more simple, efficient, and environmentally friendly processes.
Jeaneth M. Medina-Pérez   +8 more
wiley   +1 more source

Impact of human disturbance on the abundance of non‐breeding shorebirds in a subtropical wetland

open access: yesBiotropica, Volume 54, Issue 5, Page 1160-1169, September 2022., 2022
We studied the influence of human disturbance in shorebirds, a subtropical coastal wetland in Mexico. During the winter, all shorebird species were negatively related to human disturbance but positively associated with the presence of raptors. Understanding the factors influencing the abundance and habitat use of shorebirds on their non‐breeding ...
Eduardo Palacios   +3 more
wiley   +1 more source

Structural and compositional dimensions of phytochemical diversity in the genus Piper reflect distinct ecological modes of action

open access: yesJournal of Ecology, Volume 110, Issue 1, Page 57-67, January 2022., 2022
Crude extract 1H NMR diversity synthesizes the compositional diversity and structural complexity of phytochemical mixtures. Plants can develop chemical diversity through different combinations of structural and compositional biosynthetic mechanisms; thus, methods incorporating both dimensions of phytochemical diversity can provide new theoretical ...
Casey S. Philbin   +4 more
wiley   +1 more source

Efecto de ingesta de calcio del desayuno en la termogénesis alimentaria y oxidación de grasas posprandial en mujeres con sobrepeso

open access: yesPerspectivas en Nutrición Humana, 2018
Antecedentes: una alta ingesta de calcio se relaciona con mayor termogénesis alimentaria y oxidación de grasa posprandial. Objetivo: evaluar el efecto de la ingesta de calcio del desayuno con termogénesis alimentaria y oxidación de grasas posprandial, en
Alejandra Rodríguez Fernández   +4 more
doaj   +1 more source

Evaluación del comportamiento frente a la corrosión de recubrimientos procesados con láser de alta potencia

open access: yesRevista de Metalurgia, 2005
Los aceros inoxidables presentan altas resistencias a la corrosión pero cuando trabajan en determinados medios a elevadas temperaturas aparecen problemas de oxidación.
G. P. Rodríguez   +2 more
doaj   +1 more source

Aplicación de recubrimientos óxidos a metales en las soluciones de electrólitos mediante métodos de microplasma

open access: yesRevista de Metalurgia, 2000
Se ha examinado la aplicación de procesos de oxidación por microplasma de las aleaciones de aluminio en electrólitos alcalinos, tanto en estado coloidal como microdisperso.
Aleksander Vladimirovich Timoshenko   +1 more
doaj   +1 more source

Photocatalytic Degradation of Pesticides in Natural Water: Effect of Hydrogen Peroxide

open access: yesInternational Journal of Photoenergy, Volume 2012, Issue 1, 2012., 2012
The aim of this paper is to evaluate the effectiveness of photocatalytic treatment with titanium dioxide in the degradation of 44 organic pesticides analyzed systematically in the Ebro river basin (Spain). The effect of the addition of hydrogen peroxide in this treatment is studied, and a monitoring of effectiveness of photocatalytic processes is ...
Natividad Miguel   +4 more
wiley   +1 more source

Hacia el desarrollo de alternativas sostenibles al combustible diésel: síntesis de 1,1-dimetoximetano (OME1) a través de catálisis bifuncional

open access: yesRevista de Química, 2023
Disminuir el impacto ambiental derivado del uso de combustibles fósiles necesita el desarrollo de fuentes de energía renovables, y la producción sostenible de combustibles líquidos.
Jose Efrain Herrera   +1 more
doaj  

Resistencia a la oxidación de aleaciones Ni-Cr-Al plaqueadas por láser sobre aceros al carbono e inoxidables austeníticos

open access: yesRevista de Metalurgia, 1995
Se realiza un estudio sobre la obtención de recubrimientos de superficie mediante un láser continuo de CO2 de 5 kW de potencia de salida. Mediante la técnica de inyección de partículas, se realizaron plaqueados en superficie de Ni-Cr-Al sobre un acero ...
J. de Damborenea, A. Conde, M. T. Larraz
doaj   +1 more source

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