Results 171 to 180 of about 170,965 (333)
Chemistry–Methods, EarlyView.Expanded porphyrins, with their flexible structures and rich redox chemistry, offer a powerful platform to explore how aromaticity shapes molecular properties. This review introduces a multidimensional framework to quantify Hückel and Möbius aromaticity and examines its impact on the spectroscopic behavior across redox‐ and topology‐controlled expanded
Freija De Vleeschouwer +2 more
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Pitchfork Bifurcation and the Cause of Its Destruction During Twist Deformation of a Nematic in a Magnetic Field [PDF]
, 2020 А. В. Голованов
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ChemPhysChem, EarlyView.A double‐bonded chalcogen bond donor exhibits both a σ‐hole and a π‐hole on the same atom. These unique σ/π‐holes can be tuned based on molecular composition to be directional or semidirectional depending on the donor–acceptor bonding configuration, which differs from the behavior of other electropositive holes.
Kirk A. French +3 more
wiley +1 more source
Universal finite-time scaling in the transcritical, saddle-node, and pitchfork discrete and continuous bifurcations [PDF]
Álvaro Corral
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Existence and implications of a pitchfork-Hopf bifurcation in a continuous-time two-sector growth model [PDF]
, 2021 Giovanni Bella +2 more
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ChemPhysChem, EarlyView.Post‐transition state bifurcation in the reaction of 2‐aminoacrolein with 1,3‐butadiene is investigated using explicit solvation (up to 45 water molecules). GFN2‐xTB dynamics reveal strong solvent‐size effects on branching to (4 + 2) and (4 + 3) cycloadducts via an ambimodal transition state.
Hayato Matsubuchi +6 more
wiley +1 more source
Surface hydration‐induced damage in tight oil‐bearing sandy conglomerate reservoirs
Deep Underground Science and Engineering, EarlyView.A series of techniques such as X‐ray diffraction, scanning electron microscopy, energy‐dispersive spectroscopy, conductivity tests, and infrared thermal imaging were used. The key findings are the identification of a two‐stage surface hydration process and the elucidation of the effects of various minerals and elements on the hydration process ...
Anbang Zhao +5 more
wiley +1 more source
Modeling, dynamical analysis and numerical simulation of a new 3D cubic Lorenz-like system. [PDF]
Sci Rep, 2023 Wang H, Ke G, Pan J, Su Q.
europepmc +1 more source
Moving finite-size particles in a flow: A physical example of pitchfork bifurcations of tori [PDF]
, 2008 Jens C. Zahnow, Ulrike Feudel
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