合并
发表于 2025-3-25 06:57:12
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Anonymous
发表于 2025-3-25 09:46:09
Vanishing theorems for tensor powers of a positive vector bundle,le over a flag manifold of .. The vanishing property is then obtained by a suitable generalization of Le Potier‘s isomorphism theorem, combined with a new curvature estimate for the bundle of .-relative differential forms on the flag manifold of ..
小隔间
发表于 2025-3-25 15:42:06
The Periodic Table,The development and structure of the periodic table are described, along with its relationship to properties such as ionization energy, electron affinity, electronegativity, and various types of atomic radii. The types of bonding are discussed, and the bond valence method is introduced.
东西
发表于 2025-3-25 18:34:07
Atoms and Electrons,This chapter begins with the components of the atom, followed by a description of the Bohr atom and the electron as a wave. The Shrödinger equation is introduced and solved for a one-electron system. Quantum numbers and orbital representations are discussed. The process of putting electrons into orbitals is described.
BUOY
发表于 2025-3-25 23:00:41
Results from Nobeyama Radio Observatory (NRO) — A Progress ReportThe title telescope — in operation since 1982 — gives a surface accuracy of better than 0.2 mm (r.m.s.), with an aperture efficiency of about 25% at 115 GHz. A 5-element interferometer is at final adjustment stage. Observations of proto-stellar objects, extragalactic objects, and spectral lines are briefly described.
CLIFF
发表于 2025-3-26 01:16:05
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sultry
发表于 2025-3-26 06:47:47
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珍奇
发表于 2025-3-26 11:46:09
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饥荒
发表于 2025-3-26 13:55:21
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concert
发表于 2025-3-26 20:23:04
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