Results 291 to 300 of about 2,543,869 (384)

Ammonia to Hydrogen Conversion in a Ferroelectric Packed‐Bed Plasma Reactor: The Effect of a High‐Permittivity Effective Medium Material

open access: yesPlasma Processes and Polymers, EarlyView.
Ambient ammonia‐to‐hydrogen conversion is achieved in a packed‐bed ferroelectric plasma reactor. A Ru/Al2O3 coating on PZT pellets acts as a high‐permittivity effective medium, enhancing plasma current and boosting yield to 40%. Catalytic effects are negligible, and conversion is driven by permittivity‐enhanced plasma electrical properties.
Paula Navascués   +6 more
wiley   +1 more source

Unraveling Non‐Cubic Atomic Ordering in Surfactant‐Free AuAg Decahedral Nanoparticles by Pair Distribution Function (PDF) Analysis

open access: yesParticle &Particle Systems Characterization, EarlyView.
The atomic arrangement of few‐nm‐wide surfactant‐free noble metal (AuAg) decahedral nanoparticles is characterized using a structural refinement based on Pair Distribution Function (PDF) derived from Precession Electron Diffraction (PED). The results indicate that the measured structure is not well described by the classical Bagley body‐centered ...
Leonardo M. Corrêa   +3 more
wiley   +1 more source

[In defense of walking and cycling as a means of transportation in Brazil]. [PDF]

open access: yesCad Saude Publica
Florindo AA   +6 more
europepmc   +1 more source

Nível de atividade física e estado nutricional em escolares do ensino fundamental

open access: yes, 2013
Schwartz, Angélica Janaina   +3 more
openaire   +1 more source

Mean Square Relative Displacements in a Flat Graphene Monolayer

open access: yesphysica status solidi (b), EarlyView.
The mean square relative atomic displacements (MSRD) are investigated in a flat graphene monolayer using a correlative approach. The findings revealed a notable increase in the MSRD with increased interatomic distance and the significance of anharmonicity is duly validated.
Clóves Gonçalves Rodrigues   +2 more
wiley   +1 more source

Nível de atividade física e adiposidade corporal de escolares de Boa Vista - Roraima

open access: yes, 2013
Llancafilo, Marta Beatriz Sales   +6 more
openaire   +1 more source

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