Results 21 to 30 of about 132,553 (150)

Evaluation of a two-phase extraction system of carbohydrates and proteins from chlorella vulgaris utex 1803 [PDF]

open access: yes, 2016
Microalgae are a valuable source of high-value products and biofuels, however the high-energy cost required for the extraction of their metabolites has kept questioning on possible industrial upgrading. The aim of this study was to evaluate the effect of
Andrés, F.   +7 more
core   +1 more source

Materiales vitrocerámicos a partir de lodos procedentes de una estación de depuración de aguas residuales urbanas (en la Ciudad de El-Sadat, Egipto)

open access: yesBoletín de la Sociedad Española de Cerámica y Vidrio, 2011
Urban wastewater security is a source of significant volumes of sludge which is to be managed. This paper presents the possibility of applying a management process based on vitrification and by which, in addition to inert contaminants in sludge, you get ...
Garcia-Valles, M.   +5 more
doaj   +1 more source

Valorización Edegel S.A.A. [PDF]

open access: yes, 2016
El presente trabajo tiene como objetivo determinar el valor económico de la empresa Edegel S.A.A. al 31 de diciembre de 2015, a través de la metodología del flujo de caja libre descontado por un periodo de proyección cinco años y un periodo terminal a ...
Coronado Cacsire, Omar Teófilo   +2 more
core  

Impact of Raster Angle on 3D Printing of Poly(Lactic Acid)/Thermoplastic Polyurethane Blends: Effects on Mechanical and Shape Memory Properties

open access: yesMacromolecular Materials and Engineering, Volume 310, Issue 5, May 2025.
The study explores the innovative use of poly(lactic acid) and thermoplastic polyurethane blends in 3D printing, highlighting how raster angles affect mechanical properties and shape memory behavior. With findings pointing to enhanced toughness, anisotropy, and exceptional shape fixity, the research delves into applications like biomedical devices ...
Águeda Sonseca Olalla   +5 more
wiley   +1 more source

Valorización de Aceros Arequipa [PDF]

open access: yes, 2016
La presente investigación desarrolla la valorización de la empresa Aceros Arequipa S.A., tomando al 2015 como año base, específicamente el mes de diciembre. Esta valorización se efectuó bajo dos principales metodologías.
Morales García, Luis   +2 more
core  

Peat‐based amendment of soils reduces the complexity of the volatile profile in cultivated black truffles

open access: yesJournal of the Science of Food and Agriculture, Volume 104, Issue 14, Page 8945-8952, November 2024.
Abstract BACKGROUND Truffle cultivation is evolving rapidly and new agronomic practices such as ‘truffle nests’ (localized peat amendments of the orchard soil) are being developed. Truffle nests improve the shape of truffles and their depth in the soil and reduce the occurrence of insect damage but have also raised concerns about their impact on the ...
Pedro Marco   +6 more
wiley   +1 more source

Boosting Supercapacitor Efficiency with Amorphous Biomass‐Derived C@TiO2 Composites

open access: yesChemSusChem, Volume 17, Issue 20, October 21, 2024.
Carbon materials, abundant and versatile, are pivotal in energy storage. It is achieved by integrating semiconductors, such as amorphous titanium dioxide, to enhance their surface area and reactivity for electrode applications. This study presents the synthesis of amorphous TiO2 nanopowders via the anodization of titanium in a deep eutectic solvent ...
Ana T. S. C. Brandão   +12 more
wiley   +1 more source

La valorización del patrimonio cultural en el centro histórico de Zacatecas, México

open access: yesTurismo y Patrimonio, 2020
El objetivo de este trabajo es analizar el proceso de mercantilización, es decir, la puesta en valor del patrimonio cultural ubicado en el Centro Histórico de Zacatecas (CHZ), desde su nombramiento como Patrimonio de la Humanidad en 1993 por UNESCO.
Mariana Rubí Raygoza Castro
doaj   +1 more source

Characterization of DIVA09 : a gravity core from the Minho shelf [PDF]

open access: yes, 2012
Project NATURA MIÑO-MINHO "Valorización de los recursos de la cuenca hidrográfica del MIÑO ...
Abrantes, Fátima   +8 more
core  

Multi-parameter characterization of surface sediments from the Minho estuary [PDF]

open access: yes, 2012
Project NATURA MIÑO-MINHO "Valorización de los recursos de la cuenca hidrográfica del MIÑO ...
Abrantes, Fátima   +15 more
core  

Home - About - Disclaimer - Privacy