Physical Characteristics of Seasoning Discolorations in Sugar Maple Sapwood PDF Download
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Author: John M. McMillen
Publisher:
ISBN:
Category : Sugar maple
Languages : en
Pages : 34
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Book Description
Author: John M. McMillen
Publisher:
ISBN:
Category : Sugar maple
Languages : en
Pages : 34
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Book Description
Author: John M. McMillen
Publisher:
ISBN:
Category : Sugar maple
Languages : en
Pages : 33
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Book Description
Gross and microscopic characteristics of sugar maple sapwood that has undergone color changes and discolorations of a chemical nature during seasoning are described and illustrated. The discolorations include reddish browning, interior graying, and sticker staining. The form of the colored matter in ray and axial parenchyma cells of reddish-browned lumber was mostly amorphous and that in the parenchyma cells of interior-grayed and sticker-stained lumber was mostly plasmatic. Quantitative values for color, of the International Commission on Illumination System, are given for reddish-browned and non-discolored material. Color variation usually was associated with variations in kiln-drying conditions. Discolorations such as interior graying and sticker staining were associated with slow air drying under mild conditions or improperly controlled kiln drying. Fungus infection was found in some specimens with interior graying.
Author:
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 1386
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Author: United States. Superintendent of Documents
Publisher:
ISBN:
Category : United States
Languages : en
Pages : 1466
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Author: Richard A. Horn
Publisher:
ISBN:
Category : Fibers
Languages : en
Pages : 462
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Book Description
To achieve full utilization of each harvested tree, interest centers on use of all of the tree components. The objective of the study is to determine the influence of the morphological characteristics of pulp fiber from 12 western U.S. softwood species, representative of a wide range of fiber. The effect of the morphology of the wood pulp fiber as distinguished from that of the wood fiber is emphasized because differences in performance of fiber-based products are traced to the pulp fiber. Interrelationships of fiber morphology and pulp sheet properties are discussed. The results indicate that it is not possible to fully characterize the performance of a pulp by a single morphological characteristic and that the morphological characteristics significantly influence strength properties of sheets.
Author:
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 1278
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Author:
Publisher:
ISBN:
Category : Forest products
Languages : en
Pages : 628
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Author:
Publisher:
ISBN:
Category : Forest products industry
Languages : en
Pages : 788
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 1130
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Author: Charles N. Bebee
Publisher:
ISBN:
Category : Sugar maple
Languages : en
Pages : 46
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Book Description
