Results 101 to 110 of about 11,144 (287)
Nonlinear Active Site Dynamic Behavior Over In Situ Generated Working Zeolites
Chemie Ingenieur Technik, EarlyView.The methoxymethyl mechanism over α, β, and γ site ensembles and the dynamic site‐interconversion mechanism reduce the induction period of propylene formation. The methoxymethyl mechanism acts on site ensemble α generating surface methoxy species (SMS), which, through the dynamic site‐interconversion mechanism, lead to SMS on site ensembles β and γ that
Toyin Omojola
wiley +1 more source
Recent Advances in the Laser‐Based Fabrication and Applications of High‐Entropy Alloy Nanoparticles
MetalMat, EarlyView.This review presents recent advances in the laser‐based fabrication of high‐entropy alloy nanoparticles, focusing on scalable, environmentally friendly, and compositionally tunable synthesis methods. It highlights the critical influence of laser parameters on nanoparticle size, phase, and morphology, enabling tailored properties for applications in ...
Bibek Kumar Singh +4 more
wiley +1 more source
Machine Learning Assisted Prediction of Degradation Behavior of Poly(Lactic‐Co‐Glycolic Acid)
Materials Genome Engineering Advances, EarlyView.Using a gradient boosting‐based machine learning model trained on 484 data points, this study predicts the degradation behavior of poly(lactic‐co‐glycolic acid) (PLGA) implants. Degradation time, molecular weight, and lactide/glycolide ratio were identified as key governing factors, enabling accurate prediction while reducing reliance on extensive ...
Shuai Wang +11 more
wiley +1 more source
Accelerated Degradation of PLA‐Based Composites in Harsh Alkaline Environment
Polymer Composites, EarlyView.Evolution of surface properties and features of RP sample treated in harsh conditions: FTIR and wetting analysis. ABSTRACT The performance of poly(lactic acid) (PLA) bioplastics under harsh service conditions must be understood to enable their use in multi‐use products.
Cristina Moliner +5 more
wiley +1 more source
, 2012 We analyze limited enantioselective (LES) autocatalysis in a temperature gradient and with internal flow/recycling of hot and cold material. Microreversibility forbids broken mirror symmetry for LES in the presence of a temperature gradient alone.
Blanco, Celia +5 more
core +1 more source
Recycling‐Induced Changes of Molecular Weight and Structural Properties in PET Monopolymer Blends
Journal of Polymer Science, EarlyView.The present study investigates the molecular weight, thermal, rheological, and mechanical properties of polymer blends of high and low molecular weight polyethylene terephthalate (PET) components. The research reveals that extrusion processing influences chain scission and chain extension, inhibiting the broadening of the molecular weight distribution ...
Florian Stephan +3 more
wiley +1 more source
A recursive microfluidic platform to explore the emergence of chemical evolution
Beilstein Journal of Organic Chemistry, 2017 We propose that a chemically agnostic approach to explore the origin of life, using an automated recursive platform based on droplet microfluidics, could be used to induce artificial chemical evolution by iterations of growth, speciation, selection, and ...
David Doran +4 more
doaj +1 more source
Microphase assisted "autocatalysis"
, 2018 The mathematical model developed in this study considered reaction, crystallization, and microphase processes simultaneously to describe "autocatalytic" microphase action more effectively. Simulations were performed to determine the effect of crystal growth rates, nucleation rates and the initial crystal size distribution on the overall reaction rate ...
openaire +3 more sources