neolith
发表于 2025-3-23 12:27:04
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细胞
发表于 2025-3-23 14:29:28
,Doctrines of ‘Change’ in South Africa, These high current densities, however, cannot, at present, be achieved by conductors stabilized at the critical current or by conductors stabilized at partial currents. The exception perhaps is in relatively small coils, in which degradation effects tend to be less severe. In large coils, particula
强所
发表于 2025-3-23 18:30:40
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Definitive
发表于 2025-3-24 01:29:07
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装入胶囊
发表于 2025-3-24 02:41:36
The Changing International Economic Systematm). The fluid is circulated internally in a hollow superconductor to take advantage of the high-heat transfer rates characteristic of flowing dense-phase helium. In addition, refrigeration may be supplied to the magnet by a sealed cooling system integral with the cryostat. Tests on samples of this
装饰
发表于 2025-3-24 08:55:46
Asian Lessons in Sustainable Developmentr) [.]. One type of design uses wire with a single superconductor core coated with copper and wound into a conventional (multiturn) magnet. The individual turns are separated so that most of the conductor surface is in contact with the saturated helium bath. With these magnets, an important part of
转折点
发表于 2025-3-24 11:17:42
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征兵
发表于 2025-3-24 18:05:26
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STIT
发表于 2025-3-24 19:56:23
0065-2482 Overview: 978-1-4757-0551-5978-1-4757-0549-2Series ISSN 0065-2482
向宇宙
发表于 2025-3-25 02:19:32
Can Schools Save Indigenous Languages?ose of Lismer [.] who tested welded copper-nickel alloys. These alloys (Cu-20, 30% Ni) exhibited Increased tensile and notch-tensile weld strengths as the temperature was lowered below room temperature.