Results 211 to 220 of about 1,196,600 (375)

From Molecule to Material: How Support Changes Heterobimetallic Catalysts in Lactide Polymerization

open access: yesMacromolecular Rapid Communications, EarlyView.
Silica‐supported heterobimetallic alkoxide complexes were developed as catalysts for lactide ring‐opening polymerization. Grafting iron‐based ate complexes onto SiO2‐700 produced well‐defined active sites, enabling controlled polymerization with predictable molar masses, narrow dispersities, and recyclability.
Fan Yang   +6 more
wiley   +1 more source

Evolution of Turbulent Burning Velocity and Turbulence Intensity During Aluminum Flame Propagation

open access: yesChemical Engineering Transactions
Burning velocity, i.e. the consumption rate of the reactant by the flame front, is a key parameter for modelling flame propagation during accidental gas or dust explosions.
Clement Chanut   +3 more
doaj  

Chemical Ionization Mass Spectrometry: Fundamental Principles, Diverse Applications, and the Latest Technological Frontiers

open access: yesMass Spectrometry Reviews, EarlyView.
ABSTRACT The review examines the evolution of chemical ionization mass spectrometry (CI‐MS), a technique developed in 1966 by Field and Munson. CI is a soft‐ionization method that produces more intense molecular ions with less fragmentation than electron ionization (EI).
Malvika Dutt   +4 more
wiley   +1 more source

Real‐Time Probing of Complex Bi‐Periodic Self‐Organized Grating Formation via Small‐Angle Scattering

open access: yesNano Select, EarlyView.
A wedge‐shaped AgCl nanolayer with a granular Ag film enables the self‐organization of bi‐periodic nanostructures. Real‐time SAS pattern analysis reveals dynamic domain interactions and competing gratings, validating a generator/re‐emitter model driven by TEn mode excitations. This framework offers a novel approach for evaluating SPN formation quality.
Arashmid Nahal, Ozra Kiasatfar
wiley   +1 more source

Time to burn: landscape drivers of fuel trait variability and fire regime in savanna ecosystems

open access: yesOikos, EarlyView.
Fuel traits are important determinants of fire behavior and regime in savannas and, thus, of how fire affects plant communities. However, whether these traits are correlated, predictable and how they are influenced by biotic and abiotic drivers remain to be rigorously evaluated.
Waleska B. F. Manzan   +2 more
wiley   +1 more source

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