prosperity 发表于 2025-3-30 09:08:16
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Samareh Samadi,Massoud Babaie-Zadeh,Christian Jutten,Kambiz Nayebi are finding more and more electronic applications. Owing to the vast difference in property requirements between structural composites and electronic composites, the design criteria for these two groups of composites are different. While structural composites emphasize high strength and high moduluBarrister 发表于 2025-3-31 04:16:07
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Rubén Martín-Clemente,Susana Hornillo-Mellado,Carlos G. Puntonet,José I. Achaord high temperature at which a material became superconductor was 23 K and was set in 1974. In 1987, there started appearing reports of superconductivity at temperatures up to 90 or 100 K in samples containing lanthanum, copper, oxygen, and barium or another Ha metal. These new ceramic superconductexcrete 发表于 2025-3-31 14:40:31
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Mark D. Plumbleynuity may be sharp or gradual. In general, the interface is an essentially bidimensional region through which material parameters, such as concentration of an element, crystal structure, atomic registry, elastic modulus, density, and coefficient of thermal expansion, change from one side to another.小口啜饮 发表于 2025-4-1 01:27:22
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