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hot plasma
This review deals with basic results of experimental and theoretical studies (numerical simulations included) of the distributions, composition, and dynamics of particles of a hot plasma in the geomagnetosphere.
      
The integrity (unity) of the system outer radiation belt-ring current-near plasma sheet is substantiated (the concept of a hot plasma geocorona).
      
Wave resonances in the hydrodynamic model of an isotropic collisionless quasi-neutral hot plasma with isothermal ions and electrons are considered.
      
The Generation of a Dense Hot Plasma by Intense Subpicosecond Laser Pulses
      
The development of a method for studying the features of X-ray emission by multiply charged ions in a dense hot plasma is considered.
      
Experiments on the formation of a high-pressure pulse in a solid under the action of a high-power (up to 3 TW/m2) pulsed (8 μs) flow of 0.8-MeV relativistic electrons and hot plasma have been performed.
      
The pressure measured in experiments on the interaction of an electron beam and hot plasma with a surface reached 1.1 kbar, which is in good agreement with the calculation results.
      
In particular, while there is a free leakage of the generated hot plasma in impulse flares, heating near a coronal-loop apex becomes significant in two-ribbon flares and determines the entire process in prolonged flares.
      
Our analyses of the time variations in emission during a flare suggest that hot plasma is heated by fluxes of accelerated electrons.
      
Comparison of the emission measures shows that the fraction of hot plasma is much less than 50%; nevertheless, its density is probably higher than that of the surrounding cold plasma by a factor of 3-6.
      
We computed the thermal time-dependent X-ray spectrum of a hot plasma in the vicinity of a gamma-ray burst (GRB).
      
In dwarfs with rotational velocities of about 100 km/s, such as the optical components of low-mass X-ray novae with black holes, hot plasma can be confined in coronal loops even in the presence of fairly weak magnetic fields.
      
During these nonstationary events, a large amount of hot plasma with temperatures exceeding 108 K exists for many hours.
      
Estimates based on experimental data are given for the parameters of the flux of hot plasma electrons, the energy released in the dense plasma, and the energy balance of the beam-plasma system.
      
The theory accounts for the dynamic polarization of the core in the energy range from 0.5 to 10 keV, which is characteristic of radiation energy losses in a hot plasma with heavy ions.
      
Flow-shear instability of a potential hump in hot plasma
      
Possible mechanisms leading to the excitation of 201Hg nuclei by photons and electrons in a dense, hot plasma are examined and the cross sections of the processes are estimated.
      
A hot plasma flow is thermalized through the formation of "long-operating" vortex streets and local discontinuities and solitons in a distributed region over polar cusps.
      
Nuclear-physics aspects of controlled thermonuclear fusion: Analysis of promising fuels and gamma-ray diagnostics of hot plasma
      
An MHD model of the implosion of a dense hot plasma column is developed.
      
 

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