## Proceedings of the International School of Physics "Enrico Fermi.", Volume 25N. Zanichelli, 1953 - Nuclear physics |

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Page 101

function. Work function. Mobility. Supply function. ... Section 4: B, co, D, e, h, k, k,

m, n, p, r, T, V, X, u, have the same meaning as in Section 3: Particle velocity.

**Electric field**. Field enhancement factor. Coefficient of particle liberation. Diracfunction. Work function. Mobility. Supply function. ... Section 4: B, co, D, e, h, k, k,

m, n, p, r, T, V, X, u, have the same meaning as in Section 3: Particle velocity.

Page 104

Electrons can be freed from the metal thermally (T-emission), by an external

the Y effect of single or multiply charged ions (Y-emission), by the Y effect of

excited ...

Electrons can be freed from the metal thermally (T-emission), by an external

**electric field**(F-emission), by the combined effect of the above (T-F-emission), bythe Y effect of single or multiply charged ions (Y-emission), by the Y effect of

excited ...

Page 126

relative axial positive ion density (zo = n +o/meo) as calculated from the

eigenvalue problem. Index (r) means relative values. The results of the

eigenvalues for ...

**Electric field**(E), relative axial density of the negative ions (yo– m -o/neo) andrelative axial positive ion density (zo = n +o/meo) as calculated from the

eigenvalue problem. Index (r) means relative values. The results of the

eigenvalues for ...

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### Contents

LEZIONI | 1 |

carrier mass | 159 |

hydrodynamique au voisinage dun axe magnétique | 214 |

Copyright | |

2 other sections not shown

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### Common terms and phrases

adiabatic invariant amplitude approximation assumed Boltzmann equation boundary conditions boundary layer calculated cathode charge coefficient collision components consider const constant contraction corresponds courbe critère current density Debye length derived differential equations discharge dispersion relation distribution function dºr eigenvalue electric field electromagnetic waves electrostatic energy principle equations of motion equilibrium exp i(k exp ioctl exp ior experimental finite fluid theory frequency given Hence instability integral interaction ioctl ionized KRUSKAL l'axe magnétique lignes limit lowest order magnetic field Maxwell's equations negative ions nonlinear obtain parameter particle perturbation Phys plasma oscillations Plasma Physics Poisson's equation potential problem quantities radial region satisfied saturation current ſº solution solving stabilité stability surface temperature thermal tion values vanish variables vector velocity voisinage waves in plasmas zero zero-order