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MgB2-Based Superconducting Wire for a Liquid Hydrogen Level Sensor, a Liquid Hydrogen Level Sensor, and a Liquid Hydrogen Level Gauge
MgB2-Based Superconducting Wire for a Liquid Hydrogen Level Sensor, a Liquid Hydrogen Level Sensor, and a Liquid Hydrogen Level Gauge
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机译:用于液氢液位传感器,液氢液位传感器和液氢液位计的基于MgB2的超导线
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摘要
An MgB2-based superconducting wire for a liquid hydrogen fluid level sensor which can maintain an unimmersed portion of the MgB2-based superconducting wire for a liquid hydrogen fluid level sensor in a non-superconducting state even without heating the unimmersed portion is provided. A wire for a liquid hydrogen fluid level sensor comprises an MgB2-based superconductor which contains Mg, B, and Al. The critical temperature at which the electrical resistance becomes essentially zero is 20-25 K, and the transition width, which is the difference between the temperature at which the electrical resistance begins to decrease toward zero and the critical temperature, is at most 5 K.
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