Results 201 to 210 of about 391,421 (293)

Exploring the Boundaries of Aromaticity in Complex Structures and Excited States Through Computational Analysis

open access: yesChemistry – A European Journal, EarlyView.
Understanding aromaticity has evolved from benzene‐centric concepts to a broad multidimensional framework spanning organic, inorganic, and excited‐state systems. This review highlights ambiguities between magnetic, electronic, geometric, and energetic descriptors, emphasizing the need for unified, multi‐criteria approaches.
Sílvia Escayola   +2 more
wiley   +1 more source

Benzylic Oxidation of Pillar[5]Arene: From Homo‐ to Cross‐Conjugated Macrocyclic Systems

open access: yesChemistry – A European Journal, EarlyView.
Selective benzylic oxidations of pillar[5]arene have been carried out to generate all the possible oxidized derivatives containing from one up to five carbonyl subunits. Effects resulting from the homo‐ and the cross‐conjugation within this series of compounds have been investigated in details and analyzed with the help of DFT calculations.
Jorge Juan Marco‐Guimbao   +8 more
wiley   +1 more source

Synthesis and Characterization of Hemiindigo‐Based Glycoside and Glycomacrocycle

open access: yesChemistry – A European Journal, EarlyView.
Glycosyl hemiindigos: we have synthesized hemiindigo‐functionalized glycoside and glycomacrocycle which are photoswitchable under visible light irradiation with high photoconversion yield and fluorescence emission property in acetonitrile. The conformational constrained glycomacrocycle displayed more efficient photoisomerization.
Guilhem Fontaine   +4 more
wiley   +1 more source

Enhancing direct torque control of doubly fed induction motor in electric vehicle using artificial neural networks. [PDF]

open access: yesSci Rep
Chantoufi A   +6 more
europepmc   +1 more source

Influence of Contact Pressure on Performance and Crossover in Zero‐Gap Alkaline Water Electrolysis

open access: yesChemie Ingenieur Technik, EarlyView.
Cell performance and product gas quality in zero‐gap alkaline water electrolysis are influenced by the mechanical contact pressure in the electrode area. With a newly developed contact‐pressure cell, it was found that the influence of contact pressure can vary drastically, depending on the cell configuration, electrode type, and diaphragm.
Lukas Ritz   +5 more
wiley   +1 more source

Comparison of modelling approaches for liquid fluidized beds

open access: yesThe Canadian Journal of Chemical Engineering, EarlyView.
Abstract This study presents a comparison of three promising numerical models for the detailed simulation of liquid–solid fluidized bed. These models differ in their treatment of the solid phase, ranging from treating each particle individually to treating the collection of particles as a continuum.
Andreu Bernad‐Serra   +3 more
wiley   +1 more source

MATLAB implementation of dual synergetic control for multi-rotor wind turbine systems. [PDF]

open access: yesSci Rep
Benbouhenni H   +4 more
europepmc   +1 more source

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