| 超导磁力仪“低压灌加液氦”的方法 |
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| 引用本文： | 黄天为,张月宝,孙东怀.超导磁力仪“低压灌加液氦”的方法[J].实验室研究与探索,2011,30(6):27-29. |
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| 作者姓名： | 黄天为 张月宝 孙东怀 |
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| 作者单位： | 1. 兰州大学西部灾害与环境力学教育部重点实验室,甘肃兰州,730000
2. 兰州大学西部环境教育部重点实验室,甘肃兰州,730000 |
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| 基金项目： | 国家杰出青年基金项目(40625009) |
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| 摘 要： | 超导磁力仪是通过液氦的降温作用来维持其超导状态的,因此,随着液氦的消耗,向超导磁力仪灌加液氦是一项重要的仪器维护工作。在认真研究既有的传统方法和相关液氦传输资料的基础上,结合工作实践,提出了超导磁力仪"低压灌加液氦"的方法。该方法在兰州大学西部环境教育部重点实验室的760R超导磁力仪上成功应用3次,取得了良好的效果。该方法可靠,高效,安全,可应用于类似产品的液氦灌加中。
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| 关 键 词： | 超导磁力仪 灌加液氦 仪器维护 |
An Approach of Transferring Liquid Helium to the Superconducting Quantum Interference Device under Low Pressure |
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| HUANG Tian-wei,ZHANG Yue-bao,SUN Dong-huai.An Approach of Transferring Liquid Helium to the Superconducting Quantum Interference Device under Low Pressure[J].Laboratory Research and Exploration,2011,30(6):27-29. |
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| Authors: | HUANG Tian-wei ZHANG Yue-bao SUN Dong-huai |
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| Institution: | HUANG Tian-weia,ZHANG Yue-baob,SUN Dong-huaib(a.Key Laboratory of Mechanics on Disaster and Environment in Western China,the Ministry of Education of China,b.Key Laboratory of Western China's Environmental Systems of the Ministry of Education,Lanzhou University,Lanzhou 730000,China) |
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| Abstract: | The superconducting state of SQUID is maintained by the cooling effect of liquid helium,thus as the liquid helium is consuming,an important instrument maintenance task is to transfer the liquid helium to the SQUID.Based on the practice work,an approach of transferring liquid helium to SQUID under low pressure was proposed.The approach was applied to the 760R SQUID of the key laboratory of western China's environmental systems of the ministry of education,and good results were achieved.The approach is reliab... |
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| Keywords: | SQUID transferring liquid helium instrument maintenance |
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