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真空自动量热仪测温电路的改进
引用本文:李培丽,陈清明,高述章,李晓平. 真空自动量热仪测温电路的改进[J]. 华中科技大学学报(自然科学版), 2000, 28(9): 99-100
作者姓名:李培丽  陈清明  高述章  李晓平
作者单位:华中理工大学激光技术国家重点实验室
基金项目:国家"九五”科技攻关项目(96-B11-03-03-01).
摘    要:对自动真空量热仪的测温电路进行了改进.设计出了新的二级放大的测温电路,对温度进行了精确标定.结果表明,改进后的电路有较好的抑制噪声的能力,使量热仪的测量精度得到了提高.

关 键 词:真空自动量热仪  光学薄膜  噪声
文章编号:1000-8616(2000)09-0099-02
修稿时间:2000-01-14

The Improvement of the Circuit for Measuring Temperature in the Automatic Vacuum Calorimeter
Li Peili Chen Qingming Gao Shuzhang Li Xiaoping State Key Lab. of Laser Tech.,HUST,Wuhan ,China.. The Improvement of the Circuit for Measuring Temperature in the Automatic Vacuum Calorimeter[J]. JOURNAL OF HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGY.NATURE SCIENCE, 2000, 28(9): 99-100
Authors:Li Peili Chen Qingming Gao Shuzhang Li Xiaoping State Key Lab. of Laser Tech.  HUST  Wuhan   China.
Affiliation:Li Peili Chen Qingming Gao Shuzhang Li Xiaoping State Key Lab. of Laser Tech.,HUST,Wuhan 430074,China.
Abstract:The circuit of measuring temperature in the automatic vacuum calorimeter is improved. Based on the two stage magnifying and demarcating temperature scale, new circuit for measuring precise temperature is designed. The results indicate that improved circuit has better ability to restrain the noise and the precision of automatic calorimeter is increased.
Keywords:automatic vacuum calorimeter  optical thin film  noise
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