Results 21 to 30 of about 151,231 (182)

Adsorption of CO2, N2, CH4, and their mixtures on silicalite: A critical evaluation of force fields [PDF]

open access: yesChemical Industry and Chemical Engineering Quarterly, 2020
The use of molecular simulation has been growing in the field of engineering, fueled not just by the advances in computational power but also on the availability of reliable software.
Arvelos Sarah   +3 more
doaj   +1 more source

Use of water from small alluvial aquifers for irrigation in semi-arid regions. [PDF]

open access: yes, 2011
Water from small alluvial aquifers constitutes an attractive and low-cost option for irrigation and rural development in Northeastern Brazil. Based on piezometric measurements, geochemical analyses and electrical conductivity estimates, the present case ...
Burte, Julien Daniel Pierre   +2 more
core   +4 more sources

Extraction of passion fruit seed oil using supercritical CO2: a study of mass transfer and rheological property by Bayesian inference

open access: yesGrasas y Aceites, 2013
The extraction of oil from passion fruit seeds using supercritical CO2 was studied. Experimental data were obtained for extraction conducted at 15, 20 and 25 MPa; at temperatures of 40 and 50 °C with CO2 flow rates of 1.5 and 3.0 mL min–1. An increase in
R. Cardoso de Oliveira   +5 more
doaj   +1 more source

Influence of the Polarity of the Electric Field on Electrorheometry [PDF]

open access: yes, 2019
Uniaxial extensional flow is a canonical flow typically used in rheological characterization to provide complementary information to that obtained by imposing simple shear flow.
Galindo Rosales, Francisco J.   +2 more
core   +1 more source

Comparison of five bacterial strains producing siderophores with ability to chelate iron under alkaline conditions

open access: yesAMB Express, 2019
Iron deficiency is one of the main causes of chlorosis in plants, which leads to losses in field crops quality and yield. The use of synthetic chelates to prevent or correct iron-deficiency is not satisfactory mainly due to their poor biodegradability ...
Carlos M. H. Ferreira   +4 more
doaj   +1 more source

Valorization of Wastes from Wine Industry in the Production of Lightweight Clay Bricks

open access: yesU.Porto Journal of Engineering
Lightweight clay brick is an idea that arose from the need to reduce waste by giving grape pomace, a waste product from the Portuguese wine sector, a new use, promoting a circular economy.
José Matos   +3 more
doaj   +1 more source

Programação de Computadores para Engenharia Física e Engenharia Química [PDF]

open access: yes, 2019
VII Seminário de Extensão Universitária da UNILA (SEUNI); VIII Encontro de Iniciação Científica e IV Encontro de Iniciação em Desenvolvimento Tecnológico e Inovação (EICTI 2019) e Seminário de Atividades Formativas da UNILA (SAFOR)A disciplina de ...
Orrego, Luisa Fernanda Rodriguez   +1 more
core  

SiC/Si ceramic hollow fibres: A new approach to Chlorella vulgaris biomass harvesting

open access: yesThe Canadian Journal of Chemical Engineering, EarlyView.
Abstract Efficient harvesting of microalgae is a critical challenge for the viability of biorefineries, requiring technologies that combine high selectivity, low cost, and scalability. The current work evaluated the performance of an asymmetric hollow fibre ceramic membrane (HF‐SiC70Si30), fabricated by phase inversion and sintered at 1250°C, in the ...
Erisson Paulo Borges Lopes   +4 more
wiley   +1 more source

Bioplastic made from Kiwi Branches

open access: yesU.Porto Journal of Engineering
The main goal of this work was to develop a product whose cellulose is extracted from kiwi branches. The product presented, Kiwiplast consists of a bioplastic film for food packaging.
Maria Charchalis   +2 more
doaj   +1 more source

Desafios para uma formação moderna em Engenharia Química [PDF]

open access: yes, 2011
Importância da formação em bioprocessos e dos engenheiros químicos e biológicos no desenvolvimento social, económico e ...
Teixeira, J. A., Vicente, A. A.
core  

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