Construcción

Construcción

Periodic Nanoporous Inorganic Patterns Directly Made by Self?Ordering of Cracks
04/08/2022 - Patterning nanoporous inorganic films by lithography remains a challenge for their integration into functional devices. Liquid deposition of aqueous inks can form patterns via self?ordering of cracks...
OSDA-free synthesis of zeolite beta: Broadening the methodology for a successful use of the product as a seed
- The synthesis of zeolite beta without any organic structure directing agents (OSDAs) is achieved by the addition of seed crystals. Applying the obtained OSDA-free synthesized zeolite beta as seed...
Validation of synergistic effect in NC@SnO2 hollow nano-microspheres through interfacial chemical bonding for boosting electrochemical sensing
- Higher resistance is exceptionally detrimental to metal oxide-based electrochemical sensors' detection performances that depend on their electrical conductivity. Herein, guided by the...
Role of the double-glow plasma pre-sputtering in the growth mechanisms and metal–insulator transition of VO2 film
- High phase transition temperature and low utilization rate of sunlight of vanadium dioxide (VO2) have been an important obstacle to expand its application in smart semiconductor materials. In this...
Multiplexed surface-enhanced Raman scattering detection of melamine and dicyandiamide in dairy food enabled by three-dimensional polystyrene@silver@graphene oxide hybrid substrate
- Owing to its ultranarrow spectral line width, surface-enhanced Raman scattering (SERS) as a specific fingerprint identification technology has exhibited its distinctive talent in the multiplexed...
Use of membrane energy exchanger in ventilation: Odour sensory measurement
- Membrane energy exchanger (MEE) for a new generation of energy efficient heating, ventilation and air conditioning (HVAC) systems has attracted wide attention. As MEE has been increasingly...
High electrical and thermal conductivities of a PAN-based carbon fiber via boron-assisted catalytic graphitization
- The boron-assisted catalytic graphitization of carbonaceous materials is an attractive methodology for enhancing their electrical properties by modulating the chemical structures of pristine...
Nanotribology and electrical properties of carbon nanotubes hybridized with covalent organic frameworks
- Nanomanipulation of molecular materials such as carbon nanotubes (CNTs) or new covalent organic frameworks (COFs) is key not only for the study of their fundamental physicochemical properties, but...
Effect of dosage of silica fume on the macro-performance and micro/nanostructure of seawater Portland cement pastes prepared with an ultra-low water-to-binder ratio
- Seawater and sea-sand based ultra-high performance concrete (UHPC) is currently regarded as one of the most innovative and promising construction materials. To provide design guidance for the...
Comparative study on the role of PAM and PANA on the property of fresh cement paste
- Both polyacrylamide (PAM) and sodium polyacrylate (PANA) are polypropylene based polymer, however...
Energy density capability and upconversion luminescence in Er3+/Yb3+-codoping BNT-based ferroelectric thin films
- Smart materials with multiple functions are the preferred materials for technological applications in military, medical, aerospace science and technology, and architecture. However, developing...
Influence of boride, oxide, and carbide ceramics as secondary reinforcement in T6-A333 functionally graded hybrid composites
- Hybrid ceramics in functionally graded aluminium hybrid composites are a developing choice for the maritime industries to maximize their daily mechanical and tribological demands. Ceramic types,...
Exploration of the oxidation and ablation resistance of ultra-high-temperature ceramic coatings using machine learning
- Carbon fiber-reinforced carbon matrix composites (C/C) will be easily oxidized in high temperatures, which will have a great negative effect on their performance. Preparing ultra-high-temperature...
SnO2 NSs synthesized by hydrothermal method for Cl2 sensing
- Three-dimensional flower-shaped tin dioxide nanosheets (SnO2 NSs) are prepared by magnetic stirring, hydrothermal reaction and ice bath rapid cooling using tin dichloride dihydrate as raw...
Luminescence properties, and anti-counterfeiting application of one-dimensional electrospun Y2Ti2O7:Ho/Yb nanostructures
- One-dimensional Y2Ti2O7:Ho/Yb nanostructures, including nanowires, nanotubes, and wire-in-tube architectures, were fabricated via a simple electrospinning technique using a single-nozzle system....
Single?layer 2D Ni?BDC MOF Obtained in Supercritical CO2?assisted Aqueous Solution
05/08/2022 - Development efficient strategy for fabrication of two?dimensional (2D) metal organic framework (MOF) nanosheets with high yield and high stability is desirable. Herein, we demonstrate for the first...
Vibroacoustic mitigation for a cylindrical shell coupling with an acoustic black hole plate using Gaussian expansion component mode synthesis
15/10/2022 - In this paper, we consider a composite cylindrical shell having an internal thin plate....
Passive earth pressure of vegetation rooted soils based on limit analysis and quasi-static approach
- Although it has been recognized that vegetation roots have a positive effect on the stability of geotechnical structures, few quantitative studies have been performed on the effects of vegetation...
Preparation and performance of autoclaved aerated concrete reinforced by dopamine-modified polyethylene terephthalate waste fibers
19/09/2022 - The low tensile and flexural strengths make autoclaved aerated concrete (AAC) susceptible to cracking and damage during transportation and service. This study investigated the use of waste...