Results 21 to 30 of about 852,831 (248)

Laser-induced melting of two-dimensional dusty plasma system in RF discharge

open access: yesScientific Reports, 2021
We present a detailed analysis of experimental study, which shows clear evidence of a two-stage melting process of a quasi-two-dimensional dusty plasma system in a high-frequency gas discharge.
E. V. Vasilieva   +2 more
doaj   +1 more source

Integration of metal hydride devices with polymer electrolyte fuel cells and electrolyzers for stationary applications [PDF]

open access: yesE3S Web of Conferences, 2019
This paper presents the experimental results of the system integration of a fuel cell (FC), an electrolyzer and a metal hydride hydrogen storage and purification system. A pilot scale experimental power installation H2Smart with an electric power of 1 kW
Blinov Dmitry   +3 more
doaj   +1 more source

The Period of Ignition Delay for Methane-Air Mixture with Hydrogen and Ethylene Additives

open access: yesApplied Sciences, 2021
The article is devoted to estimating the intensifying efficiency of methane-air ignition by adding a small amount of hydrogen and/or ethylene. It presents features of the experimental determination of the ignition delay period for fuel-air mixtures using
Sergey Vladimirovich Gusev   +6 more
doaj   +1 more source

The Influence of Elevated CO2 Concentrations on the Growth of Various Microalgae Strains

open access: yesPlants, 2023
The influence of elevated CO2 concentrations on the growth and viability of various microalgae strains was studied. Arthrospira platensis, Chlorella ellipsoidea, Chlorella vulgaris, Gloeotila pulchra, and Elliptochloris subsphaerica were tested.
Elizaveta A. Chunzhuk   +6 more
doaj   +1 more source

Hydrothermal Oxidation of Coarse Aluminum Granules with Hydrogen and Aluminum Hydroxide Production: The Influence of Aluminum Purity

open access: yesApplied Sciences, 2023
This study is devoted to the hydrothermal oxidation of aluminum—the exothermic process in which hydrogen and aluminum oxide (or hydroxide) are produced.
Grayr N. Ambaryan   +6 more
doaj   +1 more source

Experimental evolution of active Brownian grains driven by quantum effects in superfluid helium

open access: yesScientific Reports, 2022
Complex structures, consisting of a large number of interacting subsystems, have the ability to self-organize and evolve, when the scattering of energy coming from the outside ensures the maintenance of stationary ordered structures with an entropy less ...
Oleg F. Petrov   +2 more
doaj   +1 more source

Alignments of a Microparticle Pair in a Glow Discharge

open access: yesMolecules, 2021
Stability of a vertically aligned microparticle pair in a stratified glow DC discharge is experimentally investigated. Using laser perturbations, it is shown that, for the same discharge parameters, a pair of microparticles can be suspended in two stable
Evgeny A. Lisin   +4 more
doaj   +1 more source

3D Active Brownian Motion of Single Dust Particles Induced by a Laser in a DC Glow Discharge

open access: yesMolecules, 2023
The active Brownian motion of single dust particles of various types in the 3D electrostatic DC discharge trap under the action of laser radiation is studied experimentally. Spherical dust particles with a homogeneous surface, as well as Janus particles,
Anton S. Svetlov   +4 more
doaj   +1 more source

Experimental study of the nonreciprocal effective interactions between microparticles in an anisotropic plasma

open access: yesScientific Reports, 2020
There is a variety of cases in nature when the action–reaction symmetry is broken. In particular, suitable conditions for this are realized in colloidal suspensions and complex plasmas.
E. A. Lisin   +7 more
doaj   +1 more source

On the saturation of excitation-dependent dipole-dipole broadening in dense Rb vapour [PDF]

open access: yesE3S Web of Conferences
We study dependence of dipole-dipole interaction in dense Rb vapour on optical excitation. We measure the dipole-dipole contribution to the selective reflection spectrum of D2 line.
Bobrov Andrei   +3 more
doaj   +1 more source

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