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冷冻升华干燥
释义
冷冻升华干燥
Encyclopedia
农学
冷冻升华干燥
释
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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inscribed jade plates in the color of light black with white of the Qin Dynasty
inscribed parabola
inscribed polygon
inscribed polyhedron
inscribed quadrangle
inscribed quadrilateral
inscribed rectangle
inscribed regular polygon
inscribed regular polygon of a circle
inscribed securities
inscribed sphere
Inscribed Stone at Mount Langya
Inscribed Stone of Elders Deeds in Shitingli
Inscribed Stone of Lianyungang Boundary
Inscribed Stone of Youzhou clerical staff Qin
inscribed stones from Mausoleums of Chu State
inscribed stones from Mausoleums of Liang Wang at Mangdangshan
inscribed stones of Biao Xiaoyu
Inscribed Stones of Liupingguo
Inscribed Stones of Qin Dynasty
inscribed stones of Qin Dynasty
Inscribed Stones on Taishan Mountain
inscribed tetragon
inscribed tetrahedron
inscribed triangle
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