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中文摘要：
利用低温显微系统研究了叔丁醇水溶液降温时的晶体形态，并利用差示扫描量热法（DSC）研究了溶液的反玻璃化结晶。低温显微实验表明：叔丁醇／水溶液结晶形状、大小与叔丁醇的浓度有关，浓度为10％时形成粗大的针状结晶，有利于升华速率的提高。DSC实验表明：10％叔丁醇110％蔗糖／水三元溶液的临界复温速率为250℃／min左右。
英文摘要：
The purpose of this study is to investigate the freezing properties of tertiary butyl alcohol （TBA） aqueous solutions. Cryomicroscope and differential scanning calorimetry （DSC） are employed to study the shape of crystals and devitrification, respectively. The experimental results show that the shape and size of the ice crystals in the frozen TBA/water co-solvent system are relative to the concentration of TBA. 10% TBA binary aqueous solution forms needle-shaped ice crystals which improve the rate of drying. For 10%TBA/10%sucrose/water ternary system, the critical heating rate is approximately 250℃/min.
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