Results 241 to 250 of about 5,796,085 (298)

Handbook of Establishing and Maintaining Oxygen‐Free Atmospheres

Advanced Engineering Materials, EarlyView.
This study presents a practical framework for creating oxygen‐free atmospheres at ambient pressure using silane‐doped inert gases. The results show that ultra‐low oxygen levels and strongly reduced water content can be achieved through controlled silane dosing, drying systems, and sensor monitoring.
Sascha Jan Zimmermann, René Gustus, Lienhard Wegewitz, Wolfgang Maus‐Friedrichs   +3 more
wiley   +1 more source

Effect of Oxygen Content on Surface and Subsurface Integrity During Turning of Ti–6Al–4V

Advanced Engineering Materials, EarlyView.
This study examines how oxygen content in the ambient atmosphere affects the surface and subsurface properties of Ti–6Al–4V during turning. Results show that oxygen does not influence surface roughness. However, machining in an extremely high vacuum‐adequate atmosphere increases surface hardness by up to 7.8% and induces compressive residual stresses ...
Benjamin Bergmann, Berend Denkena, Hilke Petersen, Florian Schaper   +3 more
wiley   +1 more source

Oxide‐Free Titanium Coatings by Wire Arc Spraying in a Silane‐Doped Inert Atmosphere

Advanced Engineering Materials, EarlyView.
A silane‐doped argon atmosphere enables the production of oxide‐free titanium coatings via twin‐wire arc spraying at ambient pressure. This innovative approach eliminates residual oxygen, creating process conditions that prevent oxidation and nitride formation.
Manuel Rodriguez Diaz, Maik Szafarska, René Gustus, Kai Möhwald, Hans Jürgen Maier   +4 more
wiley   +1 more source

Interfacial ion aggregation at SiO₂ nanoparticles enhances thermal energy storage of chloride molten salts: a molecular dynamics study. [PDF]

RSC Adv
Wang C, Hu H, Li Q, Guo L, Yang M.
europepmc   +1 more source

Optimization of a wet-cell electrolyzer for efficient oxyhydrogen (HHO) gas production: a step towards sustainable green energy solutions. [PDF]

Sci Rep
Fayez NHA, Qenawy M, Mustafa HMM, Shehadeh M, Taha M, Abdelbaky Elbatran AH.   +5 more
europepmc   +1 more source

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Orbital-Specific Energy Transfer

Journal of the American Chemical Society, 2010
The synthesis, structure, and photophysical properties of a new family of trinuclear CuRe(2) chromophore-quencher complexes having the general form [Cu(pyacac)(2)(Re(bpy')(CO)(3))(2)](OTf)(2) (where pyacac = 3-(4-pyridyl)-acetylacetonate and bpy' = 4,4'-5,5'-tetramethyl-2,2'-bipyridine (tmb, 1), 4,4'-dimethyl-2,2'-bipyridine (dmb, 2), 2,2'-bipyridine ...
Troy E, Knight, James K, McCusker
openaire   +2 more sources

Arithmetic–geometric energy of specific graphs

Discrete Mathematics, Algorithms and Applications, 2020
Let [Formula: see text] be a simple graph of order [Formula: see text] with vertex set [Formula: see text] and edge set [Formula: see text]. The arithmetic–geometric matrix [Formula: see text] of [Formula: see text] is a matrix of order [Formula: see text] defined by [Formula: see text] if [Formula: see text] and 0 otherwise, where [Formula: see text]
Lu Zheng, Gui-Xian Tian, Shu-Yu Cui
openaire   +2 more sources

Specific heat of multifractal energy spectra

Physical Review E, 2001
Motivated by the self-similar character of energy spectra demonstrated for quasicrystals, we investigate the case of multifractal energy spectra, and compute the specific heat associated with simple archetypal forms of multifractal sets as generated by iterated maps. We considered the logistic map and the circle map at their threshold to chaos.
L R, da Silva, R O, Vallejos, C, Tsallis, R S, Mendes, S, Roux   +4 more
openaire   +2 more sources