Results 51 to 60 of about 2,036,415 (295)

Strongly nonlinear convection in binary fluids: Minimal model for extended states using symmetry decomposed modes

, 1997
Spatially extended stationary and traveling states in the strongly nonlinear regime of convection in layers of binary fluid mixtures heated from below are described by a few-mode-model.
Hollinger, St., Luecke, M.
core   +1 more source

Exploration of Pseudobinary Alloys (Al–Mn)‐(Co–Fe–Ni) to Design High‐Entropy and Compositionally Complex Alloys to Stabilize the τ Phase in Al–Mn‐Based Ferromagnetic Alloys

Advanced Engineering Materials, EarlyView.
This experimental study investigates the thermodynamic limits of the Al–Mn τ ferromagnetic phase within complex‐composition alloys (CCAs). Using nine rare‐earth‐free compositions, it explores a broad region of the pseudobinary AlMnCoFeNi system. The results reveal intricate links between composition, phase stability, and magnetic behavior, highlighting
Sacha Plagnol‐Chauzu, Laurent Peltier, Fodil Meraghni, Stéphane Delalande, Frédéric Mazaleyrat   +4 more
wiley   +1 more source

Evaluation de l’état de dégradation biologique des sols en matière organique dans la commune rurale de Kouka (Burkina Faso) [PDF]

Revue Hybrides
La matière organique est primordiale pour la santé biologique, chimique et physique des sols. Son abondance dans le sol contribue à la fertilité, tandis que son absence est un signe majeur de la dégradation des sols.
Jacques Konkobo, Talaridia Fulgence Idani, Zelbié Bassolé , Yélézouomin Stéphane Corentin Somé   +3 more
doaj  

Breathing Spots in a Reaction-Diffusion System

, 1996
A quasi-2-dimensional stationary spot in a disk-shaped chemical reactor is observed to bifurcate to an oscillating spot when a control parameter is increased beyond a critical value.
A. Hagberg, A. Hagberg, A. Hagberg, A. Hagberg, B. S. Kerner, C. Elphick, D. Haim, E. Meron, G. Haas, G. Li, Harry L. Swinney, K. J. Lee, M. Suzuki, Q. Ouyang, S. Koga, U. Middya, U. Middya, V. Gáspár, W. D. McCormick, Y. Nishiura   +19 more
core   +1 more source

NanoMOF‐Based Multilevel Anti‐Counterfeiting by a Combination of Visible and Invisible Photoluminescence and Conductivity

Advanced Functional Materials, EarlyView.
This study presents novel anti‐counterfeiting tags with multilevel security features that utilize additional disguise features. They combine luminescent nanosized Ln‐MOFs with conductive polymers to multifunctional mixed‐matrix membranes and powder composites. The materials exhibit visible/NIR emission and matrix‐based conductivity even as black bodies.
Moritz Maxeiner, Ruben Maile, Murat Cuvalli, Andreas Wolf, Ayisha Komal, Robert Oestreich, Christoph Janiak, Karl Mandel, Alexander Knebel, Klaus Müller‐Buschbaum   +9 more
wiley   +1 more source

SOL [PDF]

, 2014
Citation: 'sol' in the IUPAC Compendium of Chemical Terminology, 3rd ed.; International Union of Pure and Applied Chemistry; 2006. Online version 3.0.1, 2019. 10.1351/goldbook.S05727 • License: The IUPAC Gold Book is licensed under Creative Commons Attribution-ShareAlike CC BY-SA 4.0 International for individual terms.
  +4 more sources

Diffusion-induced vortex filament instability in 3-dimensional excitable media

, 1999
We studied the stability of linear vortex filaments in 3-dimensional (3D) excitable media, using both analytical and numerical methods. We found an intrinsic 3D instability of vortex filaments that is diffusion-induced, and is due to the slower diffusion
A. Cenys, A. M. Turing, A. T. Winfree, A. T. Winfree, A. T. Winfree, Alan Garfinkel, F. Fenton, Fagen Xie, G. Hu, G. Nicolis, G. Rousseau, I. Aranson, I. S. Aranson, I. S. Aranson, J. F. Heagy, J. P. Keener, J. Yang, K. Nam, M. Bar, M. Ding, M. Gabbay, M. Gabbay, R. A. Gray, R. R. Aliev, V. S. Zykov, Zhilin Qu   +25 more
core   +1 more source

Biodegradable and Recyclable Luminescent Mixed‐Matrix‐Membranes, Hydrogels, and Cryogels based on Nanoscale Metal‐Organic Frameworks and Biopolymers

Advanced Functional Materials, EarlyView.
The study presents biodegradable and recyclable mixed‐matrix membranes (MMMs), hydrogels, and cryogels using luminescent nanoscale metal‐organic frameworks (nMOFs) and biopolymers. These bio‐nMOF‐MMMs combine europium‐based nMOFs as probes for the status of the materials with the biopolymers agar and gelatine and present alternatives to conventional ...
Moritz Maxeiner, Julian Burkhart, Kateryna Borysova, Chiara Mazzariol, Klaus Müller‐Buschbaum   +4 more
wiley   +1 more source

Self-replication and splitting of domain patterns in reaction-diffusion systems with fast inhibitor

, 1996
An asymptotic equation of motion for the pattern interface in the domain-forming reaction-diffusion systems is derived. The free boundary problem is reduced to the universal equation of non-local contour dynamics in two dimensions in the parameter region
A. Hagberg, A. Hagberg, B. S. Kerner, B. S. Kerner, B. S. Kerner, C. B. Muratov, C. B. Muratov, E. Ammelt, I. R. Epstein, J. D. Murray, K. Lee, K. M. Mayer, M. Cross, M. Seul, R. E. Goldstein, T. Ohta, T. Ohta, T. Ohta, T. Ohta, V. A. Vasiliev   +19 more
core   +1 more source

Auto‐Generated Valence States in Electrocatalysts for Boosting Oxygen and Hydrogen Evolution Kinetics in Alkaline Water/Alkaline Seawater/Simulated Seawater/Natural Seawater

Advanced Functional Materials, EarlyView.
This review systematically highlights the latest achievements in mixed‐valence states relevant to hydrogen and oxygen evolution reactions, providing essential insights into future directions and methods for large‐scale practical implementation. This critical review is expected to provide an overview of recent advancements in diverse valence‐state metal
Jitendra N. Tiwari, Gokul Bhaskaran, Krishan Kumar, Yun Suk Huh, Young‐Kyu Han   +4 more
wiley   +1 more source