Results 11 to 20 of about 1,597,145 (328)

Biodiesel synthesis from Ceiba pentandra oil by microwave irradiation-assisted transesterification: ELM modeling and optimization

open access: yesRenewable Energy, 2020
In this study, microwave irradiation-assisted transesterification was used to produce Ceiba pentandra biodiesel, which accelerates the rate of reaction and temperature within a shorter period.
A. S. Silitonga   +9 more
semanticscholar   +1 more source

Superconducting Atomic Contacts under Microwave Irradiation [PDF]

open access: yesPhysical Review Letters, 2006
We have measured the effect of microwave irradiation on the dc current-voltage characteristics of superconducting atomic contacts. The interaction of the external field with the ac supercurrents leads to replicas of the supercurrent peak, the well known Shapiro resonances.
Chauvin, M.   +6 more
openaire   +4 more sources

Microwave Irradiation-Assisted Synthesis of Zeolites from Coal Fly Ash: An Optimization Study for a Sustainable and Efficient Production Process

open access: yesACS Omega, 2020
Class F South African coal fly ash was used as a precursor for the synthesis of zeolite A via complete microwave irradiation. To attain optimal conditions for the synthesis of zeolite A with minimum impurities, the microwave synthesis time, irradiation ...
Boitumelo Makgabutlane   +4 more
semanticscholar   +1 more source

The Oil Shale Transformation in the Presence of an Acidic BEA Zeolite under Microwave Irradiation [PDF]

open access: yes, 2014
The transformation of an oil shale sample from the Autun Basin in the Massif Central, France, was studied using two different heating strategies: microwave irradiation and conventional heating.
Bond, Gary   +5 more
core   +3 more sources

Enhancement of the total phenolic compounds and antioxidant activity of aqueous Citrus limon L. pomace extract using microwave pretreatment on the dry powder [PDF]

open access: yes, 2016
The effect of microwave pretreatment on the levels of total phenolic compounds, flavonoids, proanthocyanidins, and individual major compounds as well as the total antioxidant activity of the dried lemon pomace was investigated.
Bowyer, Michael C.   +6 more
core   +2 more sources

Smelting of Scandium by Microwave Irradiation [PDF]

open access: yesMaterials, 2017
Scandium is being explored as an alloying element for aluminum alloys, which are gaining importance as high-performance lightweight structural alloys in the transportation industry. A few years ago, Sc was also found to be suitable for use in electrical devices.
Satoshi Fujii   +4 more
openaire   +2 more sources

Enantioselective Esterification of Ibuprofen under Microwave Irradiation [PDF]

open access: yesMolecules, 2013
Enantioselective esterification of ibuprofen has been successfully carried out in an organic solvent catalyzed by recombinant APE 1547 (a thermophilic esterase from the archaeon Aeropyrum pernix K1). Here we used microwave irradiation (MW) as the mode of heating to improve the enzyme performance. Under the optimum conditions, the enzyme activity of APE
Yang, Zecheng   +8 more
openaire   +3 more sources

Developing a socially-embedded point-of-use water treatment strategy incorporating silver nanoparticles and microwave radiation [PDF]

open access: yes, 2018
Providing safe drinking water is a multifaceted problem that goes beyond a treatment device and deserves a holistic approach with respect to sanitation, handling, education, and customs of the target community.
Ayres, Craig
core   +1 more source

Microwave Irradiation: Alternative Heating Process for the Synthesis of Biologically Applicable Chromones, Quinolones, and Their Precursors

open access: yesMolecules, 2021
Microwave irradiation has become a popular heating technique in organic synthesis, mainly due to its short reaction times, solventless reactions, and, sometimes, higher yields.
Hélio M. T. Albuquerque   +2 more
doaj   +1 more source

Adsorption of Carbon Dioxide in Several Aged Hydrotalcites and Calcined Hydrotalcites: Influence of Microwave Irradiation during the Ageing Step on Their Basic Properties

open access: yesAdsorption Science & Technology, 2007
Several Ni/Mg/Al hydrotalcites were aged by autoclaving under microwave irradiation, refluxing under microwave irradiation and by traditional refluxing methods. The hydrotalcite aged by autoclaving under microwave irradiation at a higher temperature (453
Olga Bergadà   +4 more
doaj   +1 more source

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