160 Result(s)
-
Article
Delayed Fluorescence and Amplified Chirality via Modified Substitution Position for Deep-red Circularly Polarized Organic Light Emitting-diodes
Develo** easily accessible deep-red/near-infrared circularly polarized emitters for practical organic light-emitting diodes remains a significant challenge. Here, a practical strategy has been proposed for d...
-
Article
Study on combustion characteristics and smoke components of aviation cable under low pressure
In order to study the cruise safety of aircraft under high altitude and low pressure, the combustion characteristics of protective cover and insulation layer of waxy aviation cable FXL under normal pressure an...
-
Article
A new Ni(II) metalloporphyrin: characterization, theoretical sensing calculations and catalytic degradation of methylene blue and methyl orange dyes
With the aim of studying the electronic and structural properties of metalloporphyrins, we first prepared the 4-acetoxy-3-methoxy benzaldehyde (1) then by reaction this aldehyde with pyrrole the meso-arylporphyri...
-
Article
Formylation boosts the performance of light-driven overcrowded alkene-derived rotary molecular motors
Artificial molecular motors and machines constitute a critical element in the transition from individual molecular motion to the creation of collective dynamic molecular systems and responsive materials. The d...
-
Article
Advances on lithium, magnesium, zinc, and iron-air batteries as energy delivery devices—a critical review
This comprehensive review delves into recent advancements in lithium, magnesium, zinc, and iron-air batteries, which have emerged as promising energy delivery devices with diverse applications, collectively sh...
-
Article
Heat transfer and fluid flow characteristics over a backward-facing step (BFS) containing square-rectangular ribs integrated as forward-facing steps (FFS)
Modifying the geometrical structures is a potential strategy that targets the compactness of any new devices in order to produce greater cooling performance. The heat transfer enhancement over a BFS with uniqu...
-
Article
Synthesize of exfoliated poly-methylmethacrylate/organomontmorillonite nanocomposites by in situ polymerization: structural study, thermal properties and application for removal of azo dye pollutant
This paper reports the synthesis of exfoliated structure of Poly-methylmethacrylate/organomontmorillonite nanocomposites by in situ polymerization of Methylmethacrylate monomer as a cost-effective adsorbent fo...
-
Article
Differential thermal measurements of phase transitions at high pressures and temperatures
Thermal measurements of high-pressure transitions in metals can provide thermodynamic insight into the properties of the high-pressure high-temperature phases and their transitions. However, these measurements...
-
Article
Exploring the impact of vanadium on physical, structural and thermal properties of bioactive glass 46S6: a comparative study with other metallic elements
Vanadium-doped quaternary bioactive glass systems 46 SiO2, (24–x/2) Na2O, (24–x/2) CaO, 6P2O5, xV, where x = 0, 0.5, 2.5, 2.8, and 5 mass% of vanadium through the use of V2O5 oxide, were successfully synthesized ...
-
Article
MLP and optimized FCM-ANFIS models proposed for inlet turbulent flow under ultrasonic vibration
In this research, two methods, the multi-layer perceptron (MLP) neural network and the adaptive neuro-fuzzy inference system (ANFIS), were employed to find the best relationship between inputs and outputs of t...
-
Article
Open AccessOptical control of ultrafast structural dynamics in a fluorescent protein
The photoisomerization reaction of a fluorescent protein chromophore occurs on the ultrafast timescale. The structural dynamics that result from femtosecond optical excitation have contributions from vibration...
-
Article
Impact of using sand beds and reflectors on trays solar still performance
To ensure the availability of freshwater resources in areas with limited water supply, it is crucial to enhance the efficiency of solar-powered desalination systems that are affordable, such as solar stills (S...
-
Article
Transient magneto-buoyant convection of a magnetizable nanofluid inside a circle sensible storage subjected to double time-dependent thermal sources
Thermal and flow behaviors of sensible heat energy storage unit subjected to uniform and nonuniform magnetic field effects and to double time dependent heat sources were numerically investigated. The sensible ...
-
Article
Multi-objective optimization design of a planar membrane humidifier based on NSGA-II and entropy weight TOPSIS
The external humidifier plays an important role in regulating the internal water content and improving the output efficiency of the fuel cells. In the current study, parameter influence research and multi-obje...
-
Article
Opportunities and challenges with hyperpolarized bioresponsive probes for functional imaging using magnetic resonance
The development of hyperpolarized bioresponsive probes for magnetic resonance imaging (MRI) applications is an emerging and rapidly growing topic in chemistry. A wide range of hyperpolarized molecular biosenso...
-
Article
Impedimetric sensor for iron (III) detection based on small molecule (E)-2-((phenylimino)methyl) phenol-modified platinum electrode
The critical role of ferric ions in biological system and health impact posed to humans due to related toxicity caused by the consumption of iron-contaminated drinking water or food, as well as exposure to the...
-
Article
Informatics colourizes polymers
Informatics approaches play an increasingly important role in accelerating the advances of modern materials science. A recent study reports the development of predictive machine learning models to guide the de...
-
Article
Open AccessPyrolysis of tea and coffee wastes: effect of physicochemical properties on kinetic and thermodynamic characteristics
Physicochemical properties, kinetic pyrolysis and thermodynamic study of spent green tea, pure spent coffee grounds, spent coffee grounds blended with 50% torrefied barley and coffee husk were experimentally i...
-
Article
Synthesis, crystal structure and alkaline pathways simulation of K3Na(Mo0.67Cr0.33O4)2 adopting glaserite structure-type
A new compound, K3Na(Mo0.67Cr0.33O4)2, had been synthesized using the flux method and characterized by single-crystal X-ray diffraction. The title compound could be considered as a new member of the Glaserite fam...
-
Article
Different electrochemical techniques for the electrosynthesis of poly methylene blue in sodium saccharin aqueous medium
The present work describes the electropolymerization of methylene blue (MB) on transparent fluorine-doped tin oxide (FTO) from an aqueous solution of sodium saccharin. Compact, homogeneous, and adherent films ...