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freeze drying equipment
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freeze drying equipment
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freeze drying equipment
冻干机
利用升华原理,使样品经预先冻结,不经过融化,水分直接以冰态升华为水蒸气被除去,从而达到除水干燥目的的设备。又称冷冻干燥机、真空冷冻干燥机。
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hand injury
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Hand Jueyin Divergent Channel
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H and K lines
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Handling Methods of Primary and Secondary School Teachers' Behaviors of Violating Professional Ethics
handling of radiation accidents
handling of tailing and waste water
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