[藥劑學(xué)]冷凍干燥制品的正確制備過程是

原題:
[藥劑學(xué)]冷凍干燥制品的正確制備過程是

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選項(xiàng):
A.預(yù)凍→測定產(chǎn)品共熔點(diǎn)→升華干燥→再干燥
B.預(yù)凍→升華干燥→測定產(chǎn)品共熔點(diǎn)→再干燥
C.測定產(chǎn)品共熔點(diǎn)→預(yù)凍→升華干燥→再干燥
D.測定產(chǎn)品共熔點(diǎn)→升華干燥→預(yù)凍→再干燥
E.測定產(chǎn)品共熔點(diǎn)→干燥→預(yù)凍→升華再干燥
答案：
C