| 纳米微粒对PVP低温保护剂比热的影响 |
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| 引用本文： | 高志新,郝保同,刘宝林,胥义.纳米微粒对PVP低温保护剂比热的影响[J].低温物理学报,2011(1):36-39. |
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| 作者姓名： | 高志新 郝保同 刘宝林 胥义 |
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| 作者单位： | 上海理工大学生物热科学研究所; |
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| 基金项目： | 国家自然科学基金(批准号:50776060); 教育部新世纪优秀人才计划(批准号:07-0559)资助的课题~~ |
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| 摘 要： | 为了研究纳米微粒对低温保护剂热力学性质的影响,本实验利用差示扫描量热仪(DSC)测量了加入不同质量分数的HA纳米微粒的PVP低温保护剂溶液的比热值.实验结果表明:纳米微粒加入PVP溶液后比热值明显减小,而且HA纳米微粒质量浓度越高,溶液的比热值越小.由于比热容与热扩算系数成反比关系,比热的降低能提高溶液的传热效率,进一...
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| 关 键 词： | 纳米微粒 比热容 DSC |
EFFECTS OF NANOPARTICLES ON SPECIFIC HEAT OF PVP CRYOPROTECTANT SOLUTIONS |
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| GAO Zhi-xin HAO Bao-tong LIU Bao-lin XU Yi Institute of Biothermal , Technology,University of Shanghai for Science , technology,shanghai.EFFECTS OF NANOPARTICLES ON SPECIFIC HEAT OF PVP CRYOPROTECTANT SOLUTIONS[J].Chinese Journal of Low Temperature Physics,2011(1):36-39. |
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| Authors: | GAO Zhi-xin HAO Bao-tong LIU Bao-lin XU Yi Institute of Biothermal Technology University of Shanghai for Science technology shanghai |
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| Institution: | GAO Zhi-xin HAO Bao-tong LIU Bao-lin XU Yi Institute of Biothermal and Technology,University of Shanghai for Science and technology,shanghai 200093 |
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| Abstract: | To study the effects of the nanoparticles on thermodynamic parameter of PVP cryoprotectant solutions,the DSC were used to measure of the PVP solutions with/without nanoparticiles in the paper.Consider the result shows that the specific heat decreases with the increasing of the concentration of nanoparticles.The paper takes the explanation about this phenomenon by the interaction between the nanoparticles and solution. |
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| Keywords: | Nanoparticles Specific heat DSC |
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