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11.
An apparatus is described which can measure continuous alternating current losses on superconductor samples, or other heat loads, by the calorimetric helium boil-off technique over a range of 10 mW to 50 W. This apparatus has a modular design and is easily constructed from commercially available components. The construction and operation of this apparatus is described in detail and typical results presented. 相似文献
12.
T Osler R Rutledge J Deis E Bedrick 《Canadian Metallurgical Quarterly》1996,41(3):380-6; discussion 386-8