Results 231 to 240 of about 26,195 (294)
Recent Progress on Graphitic Carbon Nitride–Based Photocatalysts for Hydrogen Peroxide Synthesis
Exploration, EarlyView.This review summarizes recent progress in using graphitic carbon nitride (g‐C3N4) photocatalysts to produce hydrogen peroxide (H2O2). It highlights how solar energy can cleanly convert water and oxygen into this valuable chemical. We discuss key modification strategies, such as defect engineering, doping, and junction construction, to enhance ...
Liangpang Xu, Xixian Nan, Jimmy C. Yu
wiley +1 more source
Exploration, EarlyView.The 3D hierarchically macroporous COF superstructure, which demonstrates enhanced mass and charge transfer along with superior substrate enrichment at the biosensing interface, serves as an advanced electrode material for enzyme immobilization.
Wenbo Wei +8 more
wiley +1 more source
Geological Journal, EarlyView.Integrated petrographic, mineralogical and geochemical data from the Hastanetepe Pb–Zn deposit (Balya, Türkiye) reveal multi‐stage hydrothermal alteration and a magmatic sulphur source. Fluid inclusion and sulphur isotope results indicate a complex fluid evolution responsible for skarn‐type Pb–Zn mineralization along limestone–dacite contacts ...
Esra Ünal‐Çakır
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Crystallization in Poly(Ethylene Oxide) Thin Films: Roles of Shear, Confinement, and Homoepitaxy
Macromolecular Rapid Communications, EarlyView.A comprehensive three‐mechanism framework governing PEO crystallization orientation in thin films was established using GIWAXS and molecular‐level PM‐IRRAS analysis. We demonstrate systematic switching between shear‐induced edge‐on and confinement‐ or homoepitaxy‐induced flat‐on alignment.
Cong Liu +4 more
wiley +1 more source
Macromolecular Rapid Communications, EarlyView.Reactive melt extrusion utilizing nitroxide‐mediated silyl ether chemistry transforms post‐consumer high‐density polyethylene and polypropylene blends into robust vitrimers. Featuring highly phase‐selective crosslinking, these upcycled materials combine thermoset‐like dimensional stability at elevated temperatures with dynamic melt‐reprocessability ...
Subhaprad Ash +3 more
wiley +1 more source
Modeling of PEEK Crystallization Kinetics Under Transient Thermal Conditions. [PDF]
Polymers (Basel)Hamid S +5 more
europepmc +1 more source
Integrating Experimental Crystallization Kinetics into Autodesk Moldflow: Validation and Crystallinity Prediction for iPP and POM. [PDF]
Polymers (Basel)Speranza V +3 more
europepmc +1 more source
Non‐isothermal crystallization kinetics of PET [PDF]
Polymer Engineering & Science, 2000 AbstractThe crystallization kinetics of poly(ethylene terephthalate) was studied using constant cooling rate, isothermal and quenching experiments. A non‐isothermal crystallization kinetics equation based on a single mechanism was used to analyze the data.
Piccarolo, S., Brucato, V., Kiflie, Z.
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Non-isothermal crystallization of polymers
Progress in Polymer Science, 1999Abstract Traditional studies of crystallization kinetics are often limited to idealized conditions, in which the parameters of state (temperature, pressure, etc.) are constant. In real situations, however, the external conditions change continuously, which makes the kinetics of crystallization dependent on instantaneous conditions, as well as on rate
ML Di Lorenzo, C Silvestre
exaly +3 more sources
Non-isothermal crystallization kinetics of Y2Ti2O7 [PDF]
Powder Technology, 2017 Abstract The crystallization kinetics of Y 2 Ti 2 O 7 powders prepared by a Pechini-type polymerized complex route was studied using differential thermal analysis under non-isothermal conditions. Apparent activation energies of crystallization of 816 and 804 kJ mol − 1 were obtained from calculations based on the Arrhenius equation and ...
Milićević, Bojana R. +2 more
openaire +3 more sources