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| Content Provider | Springer Nature Link |
|---|---|
| Author | Matsumura, Junji Booker, Rudolf E. Ridoutt, Bradley G. Donaldson, Lloyd A. Mikajiri, Naoto Matsunaga, Hiroshi Oda, Kazuyuki |
| Copyright Year | 1999 |
| Abstract | Radiata pine sapwood and heartwood were dried using high-temperature, conventional-temperature, and air drying schedules with and without pre-steaming. They were then impregnated by vacuum treatment with double-distilled water, toluidine blue, and fluorescein dye. For sapwood, there were only minor differences in uptake between drying methods and when pre-steaming was used. Using microscopy, the primary flow pathways in sapwood were found to be the resin canal network and ray parenchyma cells, which provided conduction without large resistance. In heartwood, uptake was strongly influenced by pre-steaming the green lumber. After pre-steaming heart-wood, there was an increase in uptake from all surfaces but especially from the radial surfaces. Lower extractive contents, disruption of epithelial and ray parenchyma cells, and alteration of the condition of bordered pits were also associated with pre-steaming. It was therefore possible to classify flow paths in radiata pine heartwood five ways, according to uptake values and wood anatomical features. |
| Starting Page | 456 |
| Ending Page | 462 |
| Page Count | 7 |
| File Format | |
| ISSN | 14350211 |
| Journal | Journal of Wood Science |
| Volume Number | 45 |
| Issue Number | 6 |
| e-ISSN | 16114663 |
| Language | English |
| Publisher | Springer-Verlag |
| Publisher Date | 1999-01-01 |
| Publisher Place | Tokyo |
| Access Restriction | Subscribed |
| Subject Keyword | Flow pathway Impregnation Pre-steaming Radiata pine Ray parenchyma Resin canal Uptake Wood Science & Technology Materials Science Characterization and Evaluation of Materials |
| Content Type | Text |
| Resource Type | Article |
| Subject | Biomaterials Forestry |
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