恳求
发表于 2025-3-21 16:57:10
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直觉好
发表于 2025-3-21 21:27:01
https://doi.org/10.1007/978-3-663-07846-3ording to their field production and method of leaf curing (Akehurst 1981). Flue-cured tobacco is one of several classes, it occupies predominate hectarages in the world, and is one of the principal classes used in the manufacture of cigarettes.
ABYSS
发表于 2025-3-22 00:26:11
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landmark
发表于 2025-3-22 07:13:07
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吞噬
发表于 2025-3-22 11:20:12
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友好关系
发表于 2025-3-22 15:30:25
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精致
发表于 2025-3-22 17:50:12
Book 1994ns. The complexities of sampling and analysis in tobacco smoke is explained. Analysis of alkaloids produced by tobacco root cell cultures is included, while genetic and chemical analysis is described for .Papaver., a plant of considerable medicinal significance.
Chivalrous
发表于 2025-3-22 21:55:11
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AVOID
发表于 2025-3-23 05:21:08
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洁净
发表于 2025-3-23 07:34:24
Introduction with historical remarks,ivatization and degradation, was used to unravel the often complex structures of alkaloids. The structure elucidation of a well-known alkaloid, such as, for example, strychnine, took almost 140 years after its first isolation by Pelletier and Caventou in 1818.