Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 10 of 10 for “"WOOD QUALITY"”.
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Stand structure development effects on wood quality of Melina (Gmelina arborea roxb.)
… thinning treatments on Melina (Gmelina arborea) wood quality and tree architecture in the North Coast of Colombia. 27 plots under forest management regimes and age classes were evaluated. Split-plot experimental design, stepwise regression and ANOVA were developed to analyze the data. The results …
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ΕΡΕΥΝΑ ΠΟΙΟΤΙΚΩΝ ΧΑΡΑΚΤΗΡΙΣΤΙΚΩΝ ΤΟΥ ΞΥΛΟΥ ΕΞΙ ΝΕΩΝ ΚΛΩΝΩΝ ΛΕΥΚΗΣ ΣΕ ΣΧΕΣΗ ΜΕ ΤΟ ΓΕΝΟΤΥΠΟ, ΤΗΝ ΗΛΙΚΙΑ ΚΑΙ ΤΗΝ ΤΑΧΥΤΗΤΑ ΑΥΞΗΣΕΩΣ ΤΩΝ
… TO EXAMINE PATTERNS OF VARIATION OF SOME WOOD QUALITY CHARACTERISTICS I.E. RING WIDTH, WOOD DENSITY AND FIBER DIMENSIONS AND TO DETERMINE THE POSSIBILITIES OF IMPROVING WOOD QUALITY IN RELATION TO GENOTYPE, AGE, AND GROWTH RATE. RING WIDTH, WOOD DENSITYAND FIBER DIMENSIONS ARE UNDER …
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Sylview: a visualization system for forest management
… of forest stands from overall stand makeup to wood quality characteristics of individual trees. From these visualizations the user can infer the effects of different stand management practices. A primary focus in the design of the Sylview is usability. Sylview features a simple, interactive …
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Prescribed Fire Effects on Tree Grades and Wounds on the Monongahela National Forest, WV
… to determine how prescribed fires may affect wood quality of merchantable tree species in the Appalachian Mountains. Understanding potential relationships between wounding and fire tolerance may assist prescribed fire managers as they seek to promote and expand the use of prescribed fire for …
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Functional characterization of NAC-domain transcription factors implicated in control of vascular cell differentiation in Arabidopsis and Populus
Wood has a wide variety of uses and is arguably the most important renewable raw material. The composition of xylem cell types in wood determines the utility of different types of wood for distinct commercial applications. Using expression profiling and phylogenetic analysis, we identified many …
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Modeling thinning effects on ring width distribution and wood specific gravity of loblolly pine (Pinus taeda L.)
… for thinning effects on growth rate and wood quality requires a clear understanding and quantification of these effects. In this regard, four basic interrelated issues were addressed in this study: 1) thinning effects on ring specific gravity 2) thinning effects on ring width distribution …
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Stand dynamics, growth, and yield of genetically enhanced loblolly pine (Pinus taeda L.)
… 60 years with focus on improving timber yield, wood quality, and pest and disease resistance. Advances in techniques of genetic selection, breeding, and propagation of planting material have made it possible to achieve genetic gains that are likely to result in significant changes in loblolly …
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Wood Material Use in the U.S. Cabinet Industry: 1999 - 2001
… were used to estimate consumption of wood based products by the U.S. cabinet industry and evaluate current management issues affecting the cabinet industry. Group 1 companies (>$20 million in sales) were contacted and sent a fax questionnaire. A random sample of 1034 Group 2 companies …
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Relationships of growth rate and mechanical properties in sweetgum, Liquidambar styraciflua
… Liquidambar styraciflua, is a diffuse-porous hardwood occurring in the southeastern United States. In this observational study, trees from two plantations of sweetgum were evaluated for mechanical properties. The two plantations were similar in age, soil type, competition control, and water …
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Consideraciones respecto a los sistemas provisionales de protección de borde
… the performance of TEPS made of steel tubes and wood boards have been studied. Chapter 4 analyzes the steel tube TEPS. Three TEPS with different geometric characteristics have been experimentally and analytically evaluated subject to static loads in compliance with UNE-EN 13374. The most relevant …