Tortuous
发表于 2025-3-23 09:55:38
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忙碌
发表于 2025-3-23 16:46:28
Analysis of Inorganic Constituents,have been reported in the literature (Young and Guinn 1966; Koch 1972, 1985, 1996; Wardell and Hart 1973). Table 10.1 shows the distribution of the elements in different concentration ranges in the trunk wood of a pine tree from southwestern Finland. The concentrations were determined by inductively coupled plasma mass spectrometry (ICP-MS).
同谋
发表于 2025-3-23 19:06:51
G. Careri,A. Giansanti,J. Rupleydissolved in organic solvents, they are not usually considered true wood resin components. Sometimes the term extractives is used more broadly, to also include water-soluble substances, thus covering essentially all wood components other than cellulose, hemicelluloses, and lignin.
大范围流行
发表于 2025-3-24 00:34:06
G. Careri,A. Giansanti,J. Rupleylyzed more or less directly and, in some cases, the lateral and vertical distribution of different chemical structures in the fibers can be determined. The methods can be roughly divided into the following groups:
有发明天才
发表于 2025-3-24 06:25:14
Extractives,dissolved in organic solvents, they are not usually considered true wood resin components. Sometimes the term extractives is used more broadly, to also include water-soluble substances, thus covering essentially all wood components other than cellulose, hemicelluloses, and lignin.
禁止
发表于 2025-3-24 10:03:04
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debase
发表于 2025-3-24 11:20:37
1431-8563 ood chemistry is a comprehensive discipline, ranging from fundamental studies to practical applications. The manifold constituents, located in different morphological regions in the wood, results in an extreme complexity of wood chemistry. Ever more sophisticated endeavors needing fundamental studie
断断续续
发表于 2025-3-24 17:16:23
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nutrients
发表于 2025-3-24 20:43:10
Michel Cosnard,Eric Goles Chaccy complex mixture of substances varying in chemical structure and molecular weight. The interest has particularly been focused on methods for monitoring the formation and discharge of chlorinated organic matter. Methods for determination of both sum parameters and specific compounds have been developed for this purpose.
Mirage
发表于 2025-3-25 01:14:33
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