). Bf-fb, 127 A.2.1 Transitions bf : section efficace de photoionisation 127 A.2.1.1 Expression de la section efficace intégrée de photoionisation de l'atome d'hydrogène, p.128

.. Processus-radiatif-de-diffusion, 130 A.4, p.131

?. ?. De-nouveau, 0 = ? ? : fonction résolvante classique des milieux infinis

L. C. Eqs, 58-C.61) sont celles qui nous ont permis de calculer l'intensité moyenne, le flux radiatif et la pression de radiation sur les plansfrontì eres

E. Modèle, Albédo (?) en fonction de la fréquence normalisée ?/? R (indépendant de la profondeur géométrique) Les cercles correspondent aux fréquences de la grille. L'albédo représenté dans la raie L? est 12, Eq. 5.92). . . . . . . . . . . . . 103

E. Modèle and J. Intensité-moyenne, normaliséè a la fonction de Planck) montrant les deux composantes du rayonnement près de lafrontì ere interne, en fonction de la profondeur géométrique 1 ? z/Z, ou de la profondeur optique ? 0 ? ? . La figure de gauche correspondàcorrespondà la raie L?, pour laquelle l'´ epaisseur optique est la profondeur optique ? L . La figure de droite représente ?

E. Modèle and J. Intensité-moyenne, B ? (T ) (normaliséè a la fonction de Planck) en fonction de la fréquence et en présence d'un rayonnement incident de PlanckàPlanckà lafrontì ere interne. Les cercles correspondent aux fréquences de la grille, p.104

E. Modèle and J. Intensité-moyenne, normaliséè a la fonction de Planck) en fonction de la fréquence et en présence d'un rayonnement incident de PlanckàPlanckà lafrontì ere interne. Les cercles correspondent aux fréquences de la grille. Le trait gras reproduit la courbe en surface (z = 0) de la figure (Fig. 6.6, p. 104) Ces courbes correspondent aux profondeurs géométriques de la grille, ou z/Z ? 10 ?17 , les courbes sont confondues avec celles des cas z/Z = 1 et z/Z = 0 respectivement. . . . . . . . . . . . . . . . . . . . . . . . . . . 105

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