Postmenopause 发表于 2025-3-25 07:13:41
Sujan Sengupta as the most promising for fabricating photodetectors using “band engineering.” With respect to the structural and electrophysical parameters of the CMT films, all common epitaxial methods give the same excellent results. The carrier mobility in .-type Cd.Hg.Te reaches .. ≥ 2 ·10. cm. •V/sec at a co线 发表于 2025-3-25 08:52:24
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Our Neighborhood: The Solar Family,the Sun. We survive because of the Sun. Our world is blessed by the Sun. Therefore, before we discuss the climates and the physical properties of the solar planets including our own world, the Earth, we should have a fairly good idea about the Sun, the nearest star that supplies energy to each and eintention 发表于 2025-3-26 15:19:11
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Discovery of Extra-Solar Planets,ter Sir Isaac Newton predicted that many of the stars fixed in the sky should also have planet and planetary system around them. During the nineteenth and the twentieth centuries, quite a few astronomers claimed to have discovered planets around other stars. Most of these claims were based on indire