| 冻干物料共晶点、共熔点测定仪的设计 |
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| 引用本文： | 黄传伟,梁晓会,范晓逶.冻干物料共晶点、共熔点测定仪的设计[J].医疗卫生装备,2010,31(4):15-17,20. |
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| 作者姓名： | 黄传伟 梁晓会 范晓逶 |
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| 作者单位： | 1. 100850,北京,军事医学科学院实验仪器厂;100850,北京,北京四环科学仪器厂有限公司
2. 军事医学科学院实验仪器厂,北京,100850 |
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| 基金项目： | 全军医药卫生科研基金 |
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| 摘 要： | 目的：设计一种可以检测冻干物料共晶点、共熔点的装置。方法：根据冻干物料的电阻随温度变化的变化率，结合物料电阻值来判定物料的共晶点、共熔点。结果：对几种物料进行了测定，获得了它们的共晶点、共熔点。结论：可使用电阻测定法来判定冻干物料共晶点、共熔点，物料的温度、电阻变化曲线反映了物料内部冻结过程。
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| 关 键 词： | 冷冻干燥 共晶点 共熔点 |
Design of Instrument for Measuring Eutectic and Co-melting Point of Freeze-drying Material |
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| HUANG Chuan-wei,LIANG Xiao-hui,FAN Xiao-wei.Design of Instrument for Measuring Eutectic and Co-melting Point of Freeze-drying Material[J].Chinese Medical Equipment Journal,2010,31(4):15-17,20. |
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| Authors: | HUANG Chuan-wei LIANG Xiao-hui FAN Xiao-wei |
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| Institution: | 1. Experimental Instrument Plant, Academy of Military Medical Sciences, Beijing 100850, China; 2. Beijing Four-Ring Seienee Instrument Plant Co.,LTD, Beijing 100850, China) |
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| Abstract: | Objective TO design an instrument which can measure the eutectic and the co-melting point of freeze-drying materials, Methods The resistance change rate with temperature and the resistance of material were used to determine the eutectic and the co-melting point. Results Using the instrument to measure some materials, their eutectic and co-melting points were determined. Conclusion The eutectic and the co-melting point of different materials can be measured by the instrument, which is determined by the resistance measurement method. The temperature-resistance curve reflects the freezing process of material.Chinese Medical Equipment Journal, 2010, 31 （4） ： 15-17,20] |
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| Keywords: | freeze-drying eutectic point co-mehing point |
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