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Ci-dessus figure un calorimètre à circulation d'air et d'eau (calorimétrie directe). HS : chaleur sensible ; HL : chaleur latente ; T : température ; 𝑸̇ : débit de liquide ; 𝑽̇ : débit de liquide ; Δ : variationQuelles sont les 2 propositions exactes ?A. L'avantage de cette technique par rapport au calorimètre à glace est qu'elle respecte les conditions physiologiques nécessaires à la vie de l'animal sur 1 ou 2h (apport d'oxygène, élimination de la chaleur et du dioxyde de carbone produit).B. 𝑉̇ air participe au calcul de la consommation d'oxygène (VO2) de l'animal, VO2 qui en calorimétrie directe est nécessaire au calcul de la chaleur sensible.C. ΔT eau participe au calcul de HL eau.D. Mesurer X eau est suffisant pour calculer la dépense énergétique totale.E. 𝑄̇ eau participe au calcul de HS eau.
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