种植,培养 发表于 2025-3-25 05:12:30
High-Temperature Superconductors: Materials, Properties, and ApplicationsTransfusion 发表于 2025-3-25 10:10:05
Book 1998d of 1997. An introduction to high-To superconductivity must be based on the fundamental physical principles of normal-state electrical conductivity and the well-known characteristics of conventional superconductors. In Chapter 2 this background is provided. Crystal structures, anisotropic propertieRinne-Test 发表于 2025-3-25 13:11:58
1386-3290 uctivity and the well-known characteristics of conventional superconductors. In Chapter 2 this background is provided. Crystal structures, anisotropic propertie978-1-4613-7308-7978-1-4615-5075-4Series ISSN 1386-3290MANIA 发表于 2025-3-25 17:53:40
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Processing of Superconducting Powders,volatile and highly toxic Hg and Tl compounds. Tl- and Hg-based cuprates are typically formed by solid-vapour reactions. The control of the thallium or mercury vapour pressure is therefore of crucial importance. In some cases beneficial effects of substitutions have been observed. Examples of this b半圆凿 发表于 2025-3-26 10:34:13
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Foundations of Applied Superconductivity, the critical current and not on the aspect ratio. The coupling losses can be reduced by twisting, and by the use of highly resistive barriers which enhance the transverse resistivity of the silver matrix. However, further improvements are required to reduce the AC losses in transformers. Finally, iIngenuity 发表于 2025-3-26 17:18:29
Introduction,l resistance of a superconducting material vanishes. The critical temperature .. is characteristic of the superconductor in question. The discovery of superconductivity is closely connected to the development of helium liquefaction techniques in the laboratory of Heike Kammerlingh Onnes at the Unive