Results 141 to 150 of about 417 (197)

Late Cenozoic Convergence Between the Pamir and the Tianshan Revealed by Low‐Temperature Thermochronology

Tectonics, Volume 45, Issue 8, August 2026.
Abstract The Cenozoic India–Eurasia collision drove widespread deformation across Central Asia, culminating in northward indentation of the Pamir and its eventual contact with the South Tianshan. However, the timing and kinematics of Pamir–Tianshan convergence, as well as its influence on regional topography and climate, remain debated. Here, we report
Fujun Wang, Edward R. Sobel, Peter van der Beek, Cody L. Colleps, Jessica A. Stammeier, Johannes Glodny, Wenbin Zhu   +6 more
wiley   +1 more source

Investigating transthyretin variants H88R and I107V in amyloid priming: From destabilization to complete dissociation

The FEBS Journal, Volume 293, Issue 15, Page 4680-4703, August 2026.
Investigated mutations in transthyretin (TTR) disrupt the F87‐centered hydrophobic core that stabilizes its tetrameric structure. The mild I107V mutation weakens inter‐chain packing, while H88R fully abolishes tetramer formation, yielding a monomeric, aggregation‐prone form. Structural, biophysical, and computational analyses reveal that both mutations
István L. Bódy, Zsolt Fazekas, Nóra Wágner, Anna J. Kiss‐Szemán, Veronika Harmat, Zoltán Pozsonyi, Dóra K. Menyhárd, András Perczel   +7 more
wiley   +1 more source

Kinetic Insights Into Boron–Carbon Interaction Under Programmed Heating

Journal of the American Ceramic Society, Volume 109, Issue 8, August 2026.
This work demonstrates the decisive role of the heating rate and short‐term mechanical activation in governing the boron–carbon interaction. The combined effect of rapid heating and mechanical activation enables the 4B + C reaction to proceed at significantly lower temperatures. For the first time, the effective activation energy of the 4B + C reaction
Khachik Nazaretyan, Hasmik Kirakosyan, Larisa Abovyan, Sofiya Aydinyan, Suren Kharatyan   +4 more
wiley   +1 more source

Effect of Oxide Filler Chemistry on Sintering and Phase Evolution of Polymer‐Derived SiC Composites

Journal of the American Ceramic Society, Volume 109, Issue 8, August 2026.
This study investigates pressureless sintering and phase evolution in polymer‐derived SiC–oxide composites containing Y2Si2O₇ or Gd2Zr2O₇ fillers. The results show that oxide filler chemistry governs apparent densification, phase stability, and local microstructure, with Y2Si2O₇ behaving primarily as a passive filler and Gd2Zr2O₇ promoting reaction ...
Reilly Boros, Siddhartha Sarkar, Hai Xiao, Anand Kulkarni, Dongsheng Li, Rajendra K. Bordia, Fei Peng   +6 more
wiley   +1 more source

TWINKLE: a multidimensional neutron kinetics computer code

, 1975
R F Barry, D H Risher
openaire   +2 more sources

Spatial Evolution of Coke in ZSM‐5 Catalysts During Methanol‐to‐Hydrocarbons Conversion Revealed by In Situ X‐Ray Photoelectron Spectroscopy

Angewandte Chemie International Edition, Volume 65, Issue 31, 27 July 2026.
Coking is the central source of deactivation of zeolite catalysts. Using in situ XPS along with complementary methods, we identify differences in the formation kinetics and composition of surface coke on industrially relevant ZSM‐5 catalysts during MTH conversion, demonstrating the strong potential of this technique for studying catalyst deactivation ...
Luca Artiglia, Hannes Frey, Loïc Bénariac‐Doumal, Sung Sik Lee, Przemyslaw Rzepka, Jeroen A. van Bokhoven, Vladimir Paunović   +6 more
wiley   +1 more source

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Validation of CASMO5 neutron kinetics parameters

Annals of Nuclear Energy, 2020
Abstract Studsvik’s CASMO5 lattice physics code is validated against neutron kinetics experiments performed at the Tank-Type Critical Assembly (TCA) and the IPEN/MB-01 reactor. For the TCA measurements, CASMO5 agreed with βeff/Λ within 3%. For the IPEN/MB-01 measurements, CASMO5 computed the effective delayed neutron fraction βeff and the mean ...
Rodolfo Ferrer
exaly   +2 more sources

Analysis on the neutron kinetics for a molten salt reactor

Progress in Nuclear Energy, 2009
Abstract The neutron kinetics of the molten salt reactor is significantly influenced by the fuel salt flow, which leads to the analysis methods for the conventional reactors using solid fuels not being applicable for the molten salt reactors. In this study, a neutron kinetic model considering the fuel salt flow is established based on the neutron ...
S Z Qiu, D L Zhang
exaly   +2 more sources

Neutron Kinetics and Reactor Control

2021
A nuclear reactor is designed to achieve the very delicate balance between neutron “production” (release) in fission reactions and neutron loss by absorption and leakage. A given neutron will be “born” in a fission event and will then usually scatter about the reactor until it meets its eventual “death” either by being absorbed in some material or by ...
Wei Shen, Benjamin Rouben
openaire   +1 more source

Kinetic Magnetohydrodynamics of Neutron Matter

Theoretical and Mathematical Physics, 2000
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Akhiezer, A. I., Davydov, L. N., Peletminskij, S. V.   +2 more
openaire   +1 more source