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Related papers: A Predictive Model for Catalytic Methane Pyrolysis

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We first consider the recrystallization characteristics of catalysis alloy and graphite in the process of diamond synthesis under the condition of super high pressure and high temperature in catalysis method. In the process of diamond…

Materials Science · Physics 2021-11-19 Sang Jun Cha , Myong Chol Pak , Kwang-Il Kim , Su Gon Kim

Palladium (Pd) catalysts have been extensively studied for the direct synthesis of H2O through the hydrogen oxidation reaction at ambient conditions. This heterogeneous catalytic reaction not only holds considerable practical significance…

Materials Science · Physics 2024-04-23 Yukun Liu , Kunmo Koo , Zugang Mao , Xianbiao Fu , Xiaobing Hu , Vinayak P. Dravid

We present a forward prediction material screening framework designed to discover Pd-Cu alloys with improved B2 phase stability, thereby unlocking simultaneous $H_2$ generation and utilization. First, we trained CatBoost models with…

Metal-support interactions are frequently invoked to explain the enhanced catalytic activity of metal nanoparticles dispersed over reducible metal-oxide supports, yet the atomic scale mechanisms are rarely known. Here, we use scanning…

One of the most remarkable results to emerge from heavy-ion collisions over the past two decades is the striking regularity shown by particle yields at all energies. This has led to several very successful proposals describing particle…

High Energy Physics - Phenomenology · Physics 2011-05-05 J. Cleymans , H. Oeschler , K. Redlich , S. Wheaton

The targeted and efficient CO2 reduction remains an appealing option to capture CO2 from the atmosphere and transform it into value-added chemicals. The formation of methylene and subsequent dimerization to ethylene is one possible step in…

Materials Science · Physics 2025-09-30 Tim Schrader , Alen Shaji , Christin David , Eva Perlt

Methanol-water liquid mixtures have been investigated by high-energy synchrotron X-ray and neutron diffraction at low temperatures. We are thus able to report the first complete sets of both X-ray and neutron weighted total scattering…

One of the most important and complicated problems in modern industry is to obtaining materials with the required chemical composition, structure and mechanical and physical properties. Solving this problem involves great deal of time and…

Materials Science · Physics 2018-10-31 Konstantin Borodianskiy , Michael Zinigrad

Energy technologies emitting differing proportions of methane and carbon dioxide vary in their relative climate impacts over time, due to the different atmospheric lifetimes of the two gases. Standard technology comparisons using the global…

Physics and Society · Physics 2015-10-06 Mandira Roy , Morgan R. Edwards , Jessika E. Trancik

In order to estimate the reactivity of a large number of potentially complex heterogeneous catalysts while searching for novel and more efficient materials, physical as well as data-centric models have been developed for a faster evaluation…

Materials Science · Physics 2021-06-28 Lucas Foppa , Luca M. Ghiringhelli

In this paper, we report herein, the conversion of waste prescription and non-prescription pharmaceuticals into carbonaceous materials. The hydrothermal carbonization (HTC) of the pharmaceuticals was carried out at temperatures of 180, 230…

Materials Science · Physics 2023-02-14 Marlene C. Ndoun , Samuel A. Darko

We employ a simple and mostly accurate dimensional interpolation formula using dimensional limits $D=1$ and $D=\infty$ to obtain $D=3$ ground-state energy of metallic hydrogen. We also present results describing the phase transitions for…

Strongly Correlated Electrons · Physics 2020-11-19 Kumar J. B. Ghosh , Sabre Kais , Dudley R. Herschbach

Superconductivity has been the focus of enormous research effort since its discovery more than a century ago. Yet, some features of this unique phenomenon remain poorly understood; prime among these is the connection between…

We offer the parameter, interpreted as the "chemical potential", which is sensitive to the first order phase transition: it must decrease with number of evaporating (produced) particles (hadrons) if the (interacting hadron or/and QCD…

High Energy Physics - Phenomenology · Physics 2017-08-23 J. Manjavidze , A. Sissakian

Investigating the high-pressure pyrolysis and oxidation of hydrogen and syngas is essential for developing accurate combustion models under real engine conditions. Accordingly, flow reactors have been increasingly used in these fundamental…

Chemical Physics · Physics 2025-10-03 Mingrui Wang , Tianzhou Jiang , Ting Zhang , Hongjie Zhang , Hongqing Wu , Rongpei Jiang , Yang Li , Song Cheng

Cold cores are an early step of star formation, characterized by densities > 10$^4$ cm$^{-3}$, low temperatures (< 15 K), and very low external UV radiation. We investigate the physico-chemical processes at play to tracing the origin of…

Astrophysics of Galaxies · Physics 2023-01-04 A. Taillard , V. WakelaM , P. Gratier , E. Dartois , M. Chabot , J. A. Noble , J. V. Keane , A. C. A. Boogert , D. Harsono

Bimetallic nanoparticles serve as a vital class of catalysts with tunable properties suitable for diverse catalytic reactions, yet a comprehensive understanding of their structural evolution under operational conditions as well as their…

Materials Science · Physics 2025-02-04 Yaxin Tang , Mingao Hou , Qian He , Guangfu Luo

The kinetics of MgO$^+$ + CH$_4$ was studied experimentally using the variable ion source, temperature adjustable selected ion flow tube (VISTA-SIFT) apparatus from 300 $-$ 600 K and computationally by running and analyzing reactive…

Thermal dilepton radiation from the hot fireballs created in high-energy heavy-ion collisions provides unique insights into the properties of the produced medium. We first show how the predictions of hadronic many-body theory for a melting…

High Energy Physics - Phenomenology · Physics 2016-02-24 Ralf Rapp , Hendrik van Hees

The partial oxidation of methane was investigated using a self-stirred reactor under a wide range of operating conditions. The recation mechanism was determined by comparing ecperimental results with the results of simulations made using…

Chemical Physics · Physics 2009-04-28 Matthieu Fleys , Yves Simon , Paul-Marie Marquaire , François Lapicque