anagen
发表于 2025-3-23 13:26:07
Temperatures and Radii of O Starsws through the stellar atmosphere. Distances have been estimated for all the stars and linear diameters found. The average radius for an 08 to 09.5 supergiant is about 23.3 R .; the radii for luminosity class III and Class V 0 stars lie in the range 6.8 to 10.7. R.
BRAWL
发表于 2025-3-23 16:00:57
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表示向下
发表于 2025-3-23 21:31:52
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抱狗不敢前
发表于 2025-3-24 00:51:48
O VI in Stellar Winds velocities to −1380 and −1000 km s. respectively. In contrast, the absorptions are narrower with steeper wings in ζ Oph and υ Ori. The latter star also has emission, while in Oph the absorption is split into two components from about −1550 to −1280 and −1280 to −980 km s..
unstable-angina
发表于 2025-3-24 05:52:28
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不足的东西
发表于 2025-3-24 06:41:02
G. Hammerschlag-Hensbergeg with liquid or solid samples; the combination of high resolution and magic angle spinning (HR/MAS) of solid samples provides a wealth of structural information which is complementary to that obtained by X-ray crystallography. The same suite of techniques, slightly adapted, is now available to thos
attenuate
发表于 2025-3-24 12:10:35
Carlo Morossi,Roberto Stalio,Lucio Crivellariused to prepare new copolymers. Methylenecycloalkanes are polymerized by transition metal complexes to produce polymers via addition polymerization or ring-opening polymerization. Copolymerization of dienes with CO is promoted by late transition metal complexes to give polyketones with vinyl groups
Seminar
发表于 2025-3-24 18:10:43
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fledged
发表于 2025-3-24 20:04:34
S. B. Parsons,J. D. Wray,K. G. Henize,G. F. Benedict
exclusice
发表于 2025-3-25 01:01:02
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