性别 发表于 2025-3-28 14:41:53
Electrical Properties of Materialsconductivity for superconductors of about 10. 1/Ω cm). This is the largest known variation in a physical property and is only comparable to the ratio between the diameter of the universe (about 10. m) and the radius of an electron (10. m).慷慨援助 发表于 2025-3-28 21:55:04
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The Age of Electronic Materialss, to mention only two major examples, have only little impact on our everyday lives. Instead, electrical and electronic devices (such as radio, television, telephone, refrigerator, computers, electric light, CD players, electromotors, etc.) permeate our daily life to a large extent. Life without el凹室 发表于 2025-3-29 19:45:30
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