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Secondary Forest Conversion Into Betel Nut Plantations Reduces Soil Water Retention by Altering Soil Properties. [PDF]
Fu R +7 more
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Fatty Acid Metabolism in Shading-Induced Tolerance of Star Ruby Grapefruit to Postharvest Chilling Injury. [PDF]
Lozano-Omeñaca A +2 more
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Advanced Macromolecular Architectures via Inorganic Polymers. [PDF]
Ajvazi E +3 more
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Annual Review of Astronomy and Astrophysics, 1998
▪ Abstract Absolute magnitudes are estimated for carbon stars of various subtypes in the Hipparcos catalogue and as found in the Magellanic Clouds. Stellar radii fall within the limits of 2.4–4.7 AU. The chemical composition of carbon stars indicates that the C-N stars show nearly solar C/H, N/H, and 12C/13C ratios.
George Wallerstein, Gillian R. Knapp
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▪ Abstract Absolute magnitudes are estimated for carbon stars of various subtypes in the Hipparcos catalogue and as found in the Magellanic Clouds. Stellar radii fall within the limits of 2.4–4.7 AU. The chemical composition of carbon stars indicates that the C-N stars show nearly solar C/H, N/H, and 12C/13C ratios.
George Wallerstein, Gillian R. Knapp
openaire +1 more source
Amorphous carbon around carbon stars
Astrophysics and Space Science, 1987In this paper we present the results of a simplified model to determine the flux emerging from dust envelopes around cool stars. The model proposed holds under the hypotheses of negligible scattering effects and spherical geometry of the dust cloud.
OROFINO, Vincenzo +3 more
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