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冷冻升华干燥
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冷冻升华干燥
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农学
冷冻升华干燥
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freeze drying
冷冻升华干燥
先将物料冷冻至水的冰点以下,并置于高真空(操作压力10~40帕)的容器中,通过供热使物料中的水分直接从固态冰升华为水汽,再经真空泵排出干燥室而使物料干燥的方法。又称真空冷冻干燥。
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prime factorization
prime factorization algorithms
prime factor ring
prime farmland protection
prime field
prime field type
prime filter
prime focus
prime-focus astrophotography
prime focus cage
prime focus corrector
prime-focus spectrograph
prime focus telescope (system)
prime form
prime formula
primefree sequence
prime function
prime gap
prime-generating polynomial
prime graph
prime group
prime ideal
prime ideal number
prime ideal theorem
prime implicant
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