Results 241 to 250 of about 148,119 (340)

Light‐Induced On‐Surface Reactions: Bridging Photochemistry and Surface Science

open access: yesChemPlusChem, EarlyView.
This minireview examines molecular on‐surface photochemistry as an emerging strategy for synthesizing carbon‐based nanomaterials on substrates. A special emphasis is placed on bridging traditional photochemistry principles with surface science concepts.
Federico Frezza   +3 more
wiley   +1 more source

Carotid intima‐media thickness may be an early biomarker for cardiovascular risk in patients treated with ketogenic dietary therapy

open access: yesEpilepsia Open, EarlyView.
Abstract Objective To assess early signs of atherosclerosis following long‐term treatment with the ketogenic diet therapy due to concerns regarding the impact of this low‐carbohydrate, high‐fat diet on cardiovascular health. Method In this cohort study, 28 patients aged 6 to 49 years who had been treated with ketogenic diet therapy for more than five ...
Kathrine C. Haavardsholm   +4 more
wiley   +1 more source

Symplectic bifurcation theory for integrable systems [PDF]

open access: green, 2011
Álvaro Pelayo   +2 more
openalex  

Supercritical Pitchfork Bifurcation of a Fractional‐Order Doubly‐Fed Induction Generator

open access: yesEnergy Science &Engineering, EarlyView.
ABSTRACT To address the problem of the chaos phenomenon caused by the parameter drift of a doubly‐fed induction generator (DFIG) due to a changing operating environment, a fractional‐order stator voltage/flux‐oriented control model is developed, and bifurcation theory and numerical simulations reveal that the chaos mechanism originates from ...
Wei Chen   +4 more
wiley   +1 more source

A Geometric Multigrid Solver for the Incompressible Navier–Stokes Equations Using Discretely Divergence‐Free Finite Elements in 3D

open access: yesInternational Journal for Numerical Methods in Fluids, EarlyView.
In this paper, we consider the concept of discretely divergence‐free finite elements (DDFFE) based on the Rannacher–Turek finite element pair to efficiently solve the three‐dimensional incompressible Navier–Stokes equations. For this purpose, we first define a spanning set of DDFFE functions and then characterize a set of basis functions for arbitrary ...
Christoph Lohmann
wiley   +1 more source

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