Economía Circular

Economía Circular

Wet?Adhesive On?Skin Sensors Based on Metal–Organic Frameworks for Wireless Monitoring of Metabolites in Sweat
30/09/2022 - Materials and techniques are demonstrated to achieve wearable and breathable sensing devices by integrating conductive metal–organic frameworks with a flexible nanocellulose membrane. This robust...
Conversion of sugar diacetyls to bio-hydrocarbons by the catalytic cracking in a fixed bed with fresh and deactivated Beta zeolite
01/11/2022 - The conversion of biomass into fuel under typical refinery conditions is a promising solution to decrease carbon footprint. Herein we convert a representative compound of a new bio-petroleum, DX...
Enhanced thermoelectric properties of Ca3Co4O9 by adding nano MoSi2
- Adding nanoparticles is a method to regulate the performance of thermoelectric materials. Ca3Co4O9/x MoSi2 (x = 0, 0.05, 0.10, 0.13, and 0.16) was synthesized by a wet chemical method combined...
Constructing sandwich structure of Nb-substituted Na3V2(PO4)3/C nanoparticles enwrapped on three-dimensional graphene with superior sodium storage property
- Poor intrinsic conductivity has been a principal limiting factor for Na3V2(PO4)3 (NVP) cathode material. Herein, a synergistic strategy of Nb5+ substitution and constructing with three-dimensional...
In-depth investigation of pore structure and fracture behavior of CAC bonded alumina-spinel castables treated at 110 ? 1600 °C
- An in-depth investigation of pore structure evolution and corresponding fracture behavior of calcium aluminate cement (CAC) bonded alumina-spinel castables treated at 110–1600 °C has been...
Wear behavior of additively manufactured 316L/SiCp composites with up to 60 wt% SiCp
- The wear behavior of 316L composites reinforced with up to 60% SiCp additively manufactured by Laser-Directed Energy Deposition (DED) has been studied and the effect of adding different...
In-situ synthesis of high-performance Al2O3-based ceramic cores reinforced with core-shell structures
- The complex structure of the ceramic cores is key to the preparation of an aero-engine hollow blade with excellent cooling performance. The traditional methods such as hot-press moulding are...
Evaluation of microstructural, optical, vibrational properties and photocatalytic activity of CdO nanostructure
- Microwave irradiation was used to prepare the CdO nanostructure for photocatalytic activity. The X-ray diffraction profile after 600 °C annealing confirms the phase transition from monoclinic...
Green synthesis of ZnO nanoparticles using Abutilon Indicum and Tectona Grandis leaf extracts for evaluation of anti-diabetic, anti-inflammatory and in-vitro cytotoxicity activities
- In this work, we synthesized zinc oxide (ZnO) nanoparticles via green synthesis route using the medically effective leaf extract of Tectona Grandis, Abutilon Indicium. The structure,...
Enhancement in energy storage performance of La-modified bismuth-ferrite-based relaxor ferroelectric ceramics by defect compensation and process optimization
- In this investigation, La2O3 was doped into 0.85(0.65BF-0.35BT)-0.15Sr0.7Bi0.2TiO3 (BF-BT-SBT) to form a solid solution with relaxation ferroelectric properties. The dielectric breakdown strength...
Effect of Zn substitution on the AC induction heating properties of ZnxMn1-xFe2O4 (x = 0.1–0.9) nanoparticles prepared using microwave assisted synthesis
- ZnxMn1-xFe2O4 (x = 0.1–0.9) magnetic nanoparticles (MNPs) were prepared using a microwave-assisted coprecipitation method, and the effect of Zn substitution on the AC induction heating...
Synergistic effect of noble metal doping and composite formation to boost the electrochemical properties of vanadium pentoxide
- Herein, a hydrothermal method was used for the synthesis of V2O5 nanowires (NWs) and Ag-doped V2O5. The prepared doped material was intercalated in MXene for the preparation of an Ag-doped...
Experimental evaluation of the luminescence performance of fired clay brick coated with SrAl2O4:Eu/Dy phosphor
- This study evaluates the luminescence performance of fired clay bricks coated with SrAl2O4:Eu/Dy phosphor. To do so, SrAl2O4:Eu/Dy phosphor was first produced using the traditional solid-state...
Synthesis and characterization of SrFeOx hetero-film resistance-switching device with low operation voltage
- As a critical topological phase transition material, SrFeOx could play an essential role in the field of resistive memory. How to implement resistance-switching more softly and ensure the...
Characteristics and aqueous dye removal ability of novel biosorbents derived from acidic and alkaline one-step ball milling of hickory wood
- New classes of biosorbents are needed for various environment remediation applications. Thus, a facile and benign approach to synthesize porous biosorbents was developed using acidic or alkaline...
Improved Harris Hawks Optimization with Hybrid Deep Learning Based Heating and Cooling Load Prediction on residential buildings
- In digital era, energy efficient building remains a hot research topic because of increasing concern regarding their environmental impact and energy consumption. Designing a suitable energy efficient...
Hierarchical ternary layered double hydroxide/graphitic carbon nitride heterostructures as visible-light photocatalysts for efficient reduction of CO2
- The development and synthesis of high-efficient, stable, and cost-effective photocatalysts to reduce both world-wide energy and environmental issues are the most significant challenge in CO2...
A sophisticated periodic micro-model for closed-cell foam based on centroidal constraint and capacity constraint
01/01/2023 - A deeper understanding of the uniaxial compression damage behavior and its microscopic mechanisms in closed-cell Polyurethane foam (PUF) at higher strains would be the first step to comprehend its...
The design and preparation of high-performance ABS-based dielectric composites via introducing core-shell polar polymers@BaTiO3 nanoparticles
- In consideration of inherent high hysteretic losses resulting in low energy efficiency for ferroelectric polymer, linear dielectric acrylonitrile butadiene styrene (ABS) with low price and good...
Molecular dynamics modeling of cracks in dry clay sheets at the nanoscale
- Clay is a nanomaterial by nature. The cracking in clay at the nanoscale can provide significant insight into the cracking mechanism in clay at the continuum scale. This article is devoted to...
Characterization of various modified asphalts using force ductility test with “8“ shaped mold and straight mold
21/11/2022 - To explore a suitable mold for the force ductility test and propose a new index to better characterize low-temperature properties of modified asphalt, plain asphalt (PG 58–16, PG 52–22),...