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Article
A compact high-voltage nanosecond marx generator based on air-field dischargers
Results of the development and study of a 14-stage air high-voltage pulse generator with an output voltage of up to 250 kV, a current rise time of 10 ns, and blow capacitance of 400 pF are presented. The desig...
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Article
Electrical explosion of a wire by microsecond pulses in a longitudinal magnetic field
The explosion of a tungsten wire in a weak longitudinal magnetic field is studied. The longitudinal magnetic field is shown to decrease the rate of rise of initial perturbations and to stabilize the process. T...
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Article
A Pulsed Low-Hardness X-Ray Source For Radiography in Explosive Experiments
A simple X-ray unit with an effective radiation energy of 50 keV and a pulse FWHM duration of ∼25 ns is described. The unit is designed on the basis of a mass-produced high-voltage nanosecond generator synchro...
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Article
Spatial macroscopic structure of a pulsed microsecond discharge in barrier-metal gaps with a nonuniform electric field distribution
Electric and spatial characteristics of a pulse-periodic microsecond barrier discharge are investigated in different geometries—triangular prism, plate, and corrugated electrode—that are in contact with a diel...
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Article
Study of the microscopic characteristics of a repetitive microsecond barrier discharge
Results are presented from investigations of the electric, optical, and spatial characteristics of a microsecond barrier discharge in atmospheric-pressure air in a uniform electric field. The currents in indiv...
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Article
Formation of active species in spark corona discharge at a liquid electrode
The formation of chemically active species upon a spark corona discharge on a liquid electrode at the liquid surface. Test liquids were 0.1 M and 0.005 M oxalic acid, 0.1 M KI and 3% KCl solutions, and tap wat...
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Article
The Effect of a High-Voltage Diffuse Gas Discharge on Microbiological Cultures
The results are given of investigation of the inactivation of microbiological cultures in moist and dry states by low-temperature plasma of a low-power diffuse pulse-periodic discharge (up to 5 W) initiated in...
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Article
Electric fields in compact clusters of parallel current channels
The electric field in compact clusters of parallel current channels is calculated in the model of a bundle of long parallel cylindrical conductors. It is shown that, because of the mutual neutralization of the...
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Article
Temperature dependence of the rate of formation of active species in nanosecond streamer corona discharge between a solid electrode and water surface
The dependence of the yield of ozone in a nanosecond streamer electric corona discharge in the presence of oxygen and water vapor on temperature over the range 25–66°C was examined. It was found that the yield...
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Article
Self-similar spatial structure of a streamer-free nanosecond discharge
The microstructure of a current channel is experimentally found under the conditions when homogeneous air gaps are subjected to nanosecond voltage pulses in an electric field insufficient for streamer generati...
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Article
Formation of the microscopic structure of high-voltage nanosecond diffuse discharges in sharply nonuniform geometry
The possibility of the development of ionization instability in the avalanche and plasma phases (of the long-wave and short-wave type, respectively) is demonstrated for high-voltage nanosecond discharges in sh...
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Article
High-energy electrons in nanosecond high-voltage discharges develo** in the regime of microstructured current channels
A mechanism responsible for the generation of high- and anomalous-energy electrons is formulated on the basis of a fractal model of the spatial structure of nanosecond gas discharges. The proposed mechanism ad...
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Article
A low-frequency high-power arbitrary-shape voltage pulse generator
A circuit diagram and design of the arbitrary-shape bipolar voltage pulse generator with amplitudes up to 800 V and a peak output on a matched load of 400 kW are described. The generator is based on car rechar...
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Article
Influence of NO-Containing Gas Flow on Various Parameters of Energy Metabolism in Erythrocytes
We studied the influence of NO-containing gas phase on some parameters of energy metabolism in human erythrocytes. Whole blood samples were aerated with gas flows from the Plazon instrument (NO concentrations ...
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Article
Dynamics of the microstructure of current channels and the generation of high-energy electrons in nanosecond discharges in air
The results of the three-dimensional numerical simulation of the dynamics of the microstructure of high-voltage nanosecond discharges in air at atmospheric pressure are presented. It is established that the fa...
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Article
An indirectly heated metal oxide hot cathode with a 100-cm2 area
Results of designing of a sectioned metal oxide hot cathode with indirect heating and a total emission coating area of 100 cm2 are described. The design of the hot cathode enables control of the working surface t...
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Article
Dynamics of the spatial structure of pulsed discharges in dense gases in point cathode−plane anode gaps and their erosion effect on the plane electrode surface
The dynamics of the spatial structure of the plasma of pulsed discharges in air and nitrogen in a nonuniform electric field and their erosion effect on the plane anode surface were studied experimentally. It i...
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Article
Morphology of the imprints of spark current channels in a point–plane gap in air
Using the autograph (imprint) method, the imprint microstructure of current channels that are associated with a submicrosecond spark initiated in air in a point–plane gap with the point charged both negatively...
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Article
Microstructure of the regions on a plane copper electrode surface affected by a spark discharge in air in the point–plane gap
The microstructure of the regions affected by spark discharge on the surface of a plane copper electrode in atmospheric air in the point–plane gap has been studied using a scanning electron microscope for both...
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Article
Statistical Studies of the Electric Breakdown in Nitrogen in the Duration Range of 3 ms–60 min
The statistical characteristics of an electric breakdown in the nitrogen in the spike (cathode)–plane gap in the duration range of (3 × 10–3)–3600 s at voltages close to a static breakdown have been studied. It h...