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Dissertations / Theses on the topic 'Wood measurements'

Author: Grafiati
Published: 4 June 2025
Last updated: 1 August 2025

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1

Lundgren, Nils. "Modelling microwave measurements in wood /." Luleå, 2005. http://epubl.luth.se/1402-1757/2005/61.

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2

Duchow, Kirk J. "Dielectric characterization of wood and wood infiltrated with ceramic precursors." Thesis, Georgia Institute of Technology, 1996. http://hdl.handle.net/1853/19960.

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3

Gaete-Martinez, Victor. "Optical Measurement of Strang Geometry and Orientation and Their Influence on Oriented Strand Composite Formation Quality." Fogler Library, University of Maine, 2009. http://www.library.umaine.edu/theses/theses.asp?highlight=1&Cmd=abstract&ID=FTY2009-004.

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4

Daian, Georgiana. "Establish the dielectric properties of a number of wood species for a range of frequencies, temperatures and pressures." Swinburne Research Bank, 2005. http://hdl.handle.net/1959.3/21739.

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Thesis (PhD) - Swinburne University of Technology, Industrial Research Institute Swinburne - 2005.<br>Doctor of Philosophy, Industrial Research Institute of Swinburne University of Technology, 2005. Typescript. Includes bibliographical references (p. 140-150).
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5

Nilsson, David. "Prediction of wood species and pulp brightness from roundwood measurements." Doctoral thesis, Umeå : Univ, 2005. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-605.

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6

Contreras, Sulbaran Irma Sofia. "On the Propensity of Lignin to Associate; Static Light Scattering Measurements." NCSU, 2008. http://www.lib.ncsu.edu/theses/available/etd-05192008-170032/.

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Lignin, the glue that keeps fibers together, is a complex three dimensional network polymer which has shown association phenomena in solution. Following the molecular weight of the biopolymer in solution as a function of time allow us to explore their observable de-association phenomena. These measurements were carried out using multiple angle light scattering (MALS) photometry in the static mode. EMAL (Enzymatic Mild Acidolysis Lignin) from hardwood and softwood were isolated and an additional method for the complete dissolution of such biopolymers in THF was further developed. Once the chall
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7

Danvind, Jonas. "Analysis of drying wood based on nondestructive measurements and numerical tools /." Luleå, 2005. http://epubl.luth.se/1402-1544/2005/23.

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8

Alarousu, E. (Erkki). "Low coherence interferometry and optical coherence tomography in paper measurements." Doctoral thesis, University of Oulu, 2006. http://urn.fi/urn:isbn:9514282140.

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Abstract This thesis describes the application of Low Coherence Interferometry (LCI) and Optical Coherence Tomography (OCT) in paper measurements. The developed measurement system is a combination of a profilometer and a tomographic imaging device, which makes the construction versatile and applicable in several paper measurement applications. The developed system was first used to measure the surface structure of paper. Different grades of paper were selected to provide maximum variation in surface structure. The results show that the developed system is capable of measuring grades of paper
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9

Unterberger, Sven [Verfasser]. "In-Furnace Measurements and Mathematical Simulation Studies for the Optimisation of Small Scale Wood Combustion Systems / Sven Unterberger." Aachen : Shaker, 2005. http://d-nb.info/118658968X/34.

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10

Morren, William Earl. "Interferences with measurements of CO, CO₂, and O₂ in woodstove flue gases." Thesis, Virginia Polytechnic Institute and State University, 1985. http://hdl.handle.net/10919/101455.

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Concentrations of CO, CO₂, and O₂ in woodstove flue gases are some of the measured inputs required by algorithms used to calculate woodstove efficiency by the stack loss method. Since these algorithms have been shown to be very sensitive to small errors in these input values, it was necessary to determine whether measurements of these compounds are subject to interference. Concentrations of CO, CO₂, and O₂ in a series of flue gas samples were measured using a variety of independent measurement techniques for each compound. The concentrations indicated by each of the measurement techniques fo
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11

Moore, Collin. "Seasonal Temperature Reconstruction for Northeastern Siberia during the Late Pleistocene from High-Resolution Oxygen Isotope Measurements Across Fossil Wood." Thesis, University of Louisiana at Lafayette, 2018. http://pqdtopen.proquest.com/#viewpdf?dispub=10683887.

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<p> Cellulose is resistant to degradation on geologic timescales and provides a reliable record of the oxygen isotope composition of meteoric water (&delta;<sup>18</sup>O<sub>MW</sub>). A strong empirical relationship between the &delta;<sup>18</sup>O<sub>MW</sub> value and temperature has been observed in modern settings, allowing researchers to reconstruct mean annual temperature via measurements of the &delta;18O value of cellulose (&delta;18Ocell). I present high-resolution intra-annual &delta;18Ocell measurements across fossil growth rings in mummified wood collected from late Pleistocene
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12

Rydefalk, Staffan. "Particle Measurements Using Fluctuations in the Regular Transmittance of Light Through a Particle Dispersion : Concentration and Particles size - Theory, Measurement Principles and Applications for Pulp and Paper Production." Doctoral thesis, KTH, Industriell produktion, 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-10639.

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The regular transmittance of light or similar radiation through a flowing suspension of particles fluctuates because of the random occurrence of particles in the beam.In the work presented here, a theory for this fluctuating behaviour with the emphasison dispersions of mm-length slender cylindrical particles having circular crosssections is given. The particles in question are wood pulp fibres, which as a first approximation are considered to have a cylinder shape. Four possible measurementprinciples are described theoretically and experimentally. The four principles are for the measurement of
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13

Strong, Kerrigan Ann. "Investigating Moisture Gradient-Induced Warpage of Veneers." Thesis, Virginia Tech, 2021. http://hdl.handle.net/10919/104924.

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Flatness of wood composite panels, such as Laminated Veneer Lumber, is often difficult to control during the manufacturing process. Out-of-plane deformation, or warpage, of wood veneers caused by changes in moisture content affects the ability to press flat panels. To understand wood panel warpage, experimental methods are developed to create and measure moisture-induced deformation of wood veneers on five species of various thicknesses. Three moisture induction methods are investigated and evaluated to determine the increase in moisture content. Experiments are developed to produce moisture g
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14

Söderqvist, Lindblad Margaretha. "Strategies for building polymers from renewable sources : Using prepolymers from steam treatment of wood and monomers from fermentation of agricultural products." Doctoral thesis, KTH, Fibre and Polymer Technology, 2003. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-3554.

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<p>A strategic research area today is development of polymericproducts made from renewable sources. The ways of utilizingrenewable sources studied in this thesis are using 1)prepolymers obtained by steam treatment of wood and 2) monomersobtainable by fermentation of agricultural products.</p><p>Novel hemicellulose-based hydrogels were prepared by usingprepolymers obtained from steam treatment of spruce.Hemicellulose was first modified with well-defined amounts ofmethacrylic functions. Hydrogels were then prepared by radicalpolymerization with 2-hydroxyethyl methacrylate orpoly(ethylene glycol)
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15

Dånmark, Anders. "Volume measurement of wood disks." Thesis, Uppsala universitet, Bildanalys och människa-datorinteraktion, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-212199.

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At the Department of Forest Products at Swedish University of Agricultural Sciences different metrics for wood are used. The volume of wood disks' is measured using archimedes principle.There are concerns of how accurate this measurement is and a different measuringsystem is wanted. This thesis has investigated the possibility of measuring the disks' volumes with imageanalysis. The recovery error should be less than 1% of the actual volume. In general, there are two methods for recovering an object using imageanalysis, active and passive methods. Compairing active and passive methods, active m
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16

Vikberg, Tommy. "Moisture content measurement in the wood industry." Licentiate thesis, Luleå tekniska universitet, Träteknologi, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-18148.

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In the wood industry, determination of the moisture content (mc) with a highaccuracy is of great importance. The green mc is important for optimisation of thewood drying process at sawmills, whereas the mc of dried boards is of interest for thefurther processing and final use of the boards. In the first publication in this thesis,which is a technical report written in Swedish, different measuring techniques withtheir own pros and cons are discussed. A total of 13 different measurement principlesare discussed, focusing on the ability to measure mc in the range of 7-18%. The resultsuggests that
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17

Sampson, William W. "The measurement and modelling of paper sheet forming." Thesis, University of Manchester, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.387259.

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18

Öhman, Micael. "The measurement of compression wood and other wood features and the prediction of their impact on wood products /." Luleå, 2001. http://epubl.luth.se/1402-1544/2001/42/index.html.

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19

Zheng, Daniel. "Design and implementation of a wood measurement system." Thesis, KTH, Skolan för informations- och kommunikationsteknik (ICT), 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-48139.

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This report presents the development of a computer system for calculating the volume of wood, with the help of air pressure, inside a closed and pressurized chamber. The work has been performed with the company Celite AB who is related to Woodair AB, a previous company who failed to complete the same task. The report also presents some information about the history, the current state, the future and the benefits of the project. According to the ideal gas law, in a closed system with a constant amount of gas, the change in the pressure, the volume and the temperature of the gas has a proportion
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20

Espinoza, Omar A. "Quality Measurement in the Wood Products Supply Chain." Diss., Virginia Tech, 2009. http://hdl.handle.net/10919/37791.

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The purpose of this research is to learn about quality measurement practices in a wood products supply chain. According to the Supply Chain Management paradigm, companies no longer compete as individual entities, but as part of complex networks of suppliers and customers, linked together by flows of materials and information. Evidence suggests that a high degree of integration between supply chain members is essential to achieve superior market and financial performance. This study investigates the potential benefits from adopting supply chain quality management practices, focusing specificall
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21

Krusic, Paul J. Jr, and James W. Hornbeck. "Preserving Decayed Wood Samples for Tree-Ring Measurement." Tree-Ring Society, 1989. http://hdl.handle.net/10150/261889.

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Wood disks in various states of decay can be inexpensively preserved and prepared for accurate crossdating and precise tree-ring measurement by impregnation with commercial wood glue. The technique does not affect the dimensions or physiological features of samples preserved in this manner. Dead red spruce trees on Mt. Washington, New Hampshire, remain available for dendrochronological examination as long as 29 years after their last year of stem growth.
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22

Chen, Zhangjing. "Measurement of wood moisture content above fiber saturation point by electrical resistance." Thesis, This resource online, 1993. http://scholar.lib.vt.edu/theses/available/etd-11102009-020203/.

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23

Rimbi, Morris. "Wood microwave dielectric heating and measurement of material properties." Thesis, Stellenbosch : Stellenbosch University, 2004. http://hdl.handle.net/10019.1/50231.

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Thesis (PhD)--University of Stellenbosch, 2004.<br>ENGLISH ABSTRACT: Microwave heating technology is extensively used in households, is well-established in certain industries and is being explored in others. lts attraction is that it is quick, energy efficient, clean and can be used to heat materials of both high and low thermal conductivities. Successful application of the technology requires knowledge of both material properties and microwave equipment. Commercial fixtures for measuring dielectric properties are not widely available and are usually created in-house. The domestic oven m
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24

Nyström, Jan. "Automatic measurement of compression wood and spiral grain for the prediction of distortion in sawn wood products /." Luleå, 2002. http://epubl.luth.se/1402-1544/2002/37.

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25

Pan, Qi. "Wood grain direction measurement from spatial reflection with linear method." Thesis, University of British Columbia, 2017. http://hdl.handle.net/2429/62921.

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Wood grain direction is a very important quality control feature in wood industry because it is a good indicator of wood strength and uniformity. It is a three-dimensional quantity that is defined by its angles within and into the plane of the measured surface. These are respectively called the surface and dive angles. An interesting method to measure these angles involves measuring the spatial reflection from the wood surface when illuminated by concentrated light. The cellular shape of the wood microstructure causes the light reflection to be greatest perpendicular to the wood grain. Thi
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26

Chiorescu, Sorin. "The forestry - wood chain : simulation technique, measurement accuracy, traceability concept /." Skellefteå, 2003. http://epubl.luth.se/1402-1544/2003/03/index.html.

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27

Agrawal, Chandra Prakash. "Full-field deformation measurement in wood using digital image processing." Thesis, Virginia Tech, 1989. http://hdl.handle.net/10919/43078.

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<p>A digital image processing system was used to non-destructively measure the full-field deformation on aluminum and wood specimens loaded in compression and bending. The measurement technique consisted of creating a random speckle pattern on the specimen surface, recording images before deformation and after deformation, and computing the relative displacements of small image subsets. Two methods for producing speckle patterns on the specimens were studied: spray paint and adhesive-backed photographic film.</p> <p>Baseline tests were conducted to evaluate the influence of signal noise on the
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28

Thompson, Andrew Nathan. "Intrinsic strength of merino wool fibres." Title page, contents and abstract only, 1998. http://web4.library.adelaide.edu.au/theses/09PH/09pht4668.pdf.

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Bibliography: p. 198-233. Results presented highlight the complexity of the task of postulating theoretical models on the basis of simple relationships between chemical constitution and mechanical properties, and more basic research is required to clearly define the roles of microfibril and matrix proteins on the mechanical characteristics of wool fibres.
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29

Ansari-Renani, Hamid Reza. "Follicle shutdown and wool staple strength : a thesis submitted in fulfilment of the requirements for the degree of Doctor of Philosophy." Title page, contents and abstract only, 1996. http://web4.library.adelaide.edu.au/theses/09ANP/09anpa617.pdf.

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30

Abu-Hamour, Bashir Essa. "The Relationships among Cognitive Ability Measures and Irregular Word, Non-Word, and Word Reading." Diss., The University of Arizona, 2009. http://hdl.handle.net/10150/195329.

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This study examined the relationships between and among: (a) Processing Speed (PS) Cluster and Rapid Automatized Naming (RAN) Total to reading ability; (b) measures of RAN and PS to irregular word, non-word, and word reading; and (c) the relationships among irregular word, non-word, and word reading. The word reading measures were predicted by using multiple cognitive abilities including Phonological Awareness (PA), RAN, PS, and Working Memory (WM). Sixty participants, 39 students who were average readers and 21 students with reading difficulties in Grades 1, 2, 3, and 4 were recruited.Correla
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31

Scott, Keith Alan. "Economic Feasibility of Implementing a Resin Distribution Measurement System for MDF Fiber." Thesis, Virginia Tech, 2001. http://hdl.handle.net/10919/31835.

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There have been successful techniques developed to measure resin distribution of phenol-formaldehyde adhesive on several types of wood surfaces. However, a technique that quantitatively measures UF resin on wood surfaces has been a problem because UF resin is colorless on wood fiber. The first objective of this study was to develop a technique to quantitatively measure surface area coverage and statistical distribution of urea-formaldehyde (UF) resin on medium density fiberboard (MDF) fiber. Two techniques were evaluated to quantitatively measure UF resin. One technique treated the resinat
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32

Yang, Diming. "Measurement of cutter marks on planed wood surfaces with machine vision methods." Thesis, Loughborough University, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.536220.

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33

Skotland, Christer Heen. "Measurement of temperature conditions in grate zone of a 1 MW wood-pellets boiler fired with high ash content wood-pellets." Thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for energi- og prosessteknikk, 2009. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-12885.

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The combustion of biomass could in some cases lead to ash problems induced by high temperatures such as ash sintering, agglomeration and melting. The degrees of these problems depend on the fuel feedstock and are highly dependent on the amount of potassium, sodium and chlorine in the biomass. Straw, grass, bark, branches and wood residues are typical examples of biomass fuels that are connected to the mentioned ash problems.Addition of additives in the problematic fuels is a possible measure in order to reduce the ash problems. This project studies the effect of some additives in a problematic
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34

Lauer, Ira Edwin. "Studies of wood pallet response to forced vibration." Thesis, This resource online, 1991. http://scholar.lib.vt.edu/theses/available/etd-12232009-020354/.

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35

Newell, Kathryn J. "Evaluation of stiffness constants of wood fibre polypropylene composite by ultrasonic velocity measurement." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1995. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/MQ51564.pdf.

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36

Ferrari, Silvia. "Study of a System for Direct Measurement of Internal Stress in Wood During Drying." Doctoral thesis, Università degli studi di Padova, 2009. http://hdl.handle.net/11577/3426402.

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The document describes the research activity finalized to the development of a system for the measurement of stress which develops in wood during drying. Stress control is important because during drying stress phenomena can cause serious qualitative damages to wood. The idea of the this study was to create a device for mesuring stress in wood during drying with the final aim of using it in the industrial optimization of the drying process.<br>Il documento descrive l'attività di ricerca finalizzata alla determinazione delle tensioni che si sviluppano nel legno durante la essiccazione. Il cont
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37

Rosenkilde, Anders. "Moisture content profiles and surface phenomena during drying of wood." Doctoral thesis, KTH, Civil and Architectural Engineering, 2002. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-3456.

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<p>Timber drying is one of the most important processes whenmanufacturing sawn timber products. The drying processinfluences deformations, surface checking, discoloration andhence, the product quality and the manufacturing costs.Research in this field is of great importance for the woodindustry since the industrial drying process always needs to beimproved as market demands increases and new wood products aredeveloped.</p><p>The aim of the present thesis was to investigate themoisture transport behaviour in wood based on measurementsduring drying from fresh condition down to end use moistureco
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38

McIntosh, Nicholas Joseph. "Measurement of the changes to the liquid transport properties of wood due to compression." Thesis, University of British Columbia, 2016. http://hdl.handle.net/2429/60148.

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Compression of wood chips coupled with chemical treatment in a liquid bath has been shown to be an effective method to reduce the energy required to mechanically produce wood pulp. Though the utility of such compression/chip impregnation processes has become well known through implementation at pilot and mill scales, a fundamental understanding of the operational mechanism of these processes remains to be obtained. Towards this end, an experimental and statistical study has been conducted. In this work, better understanding the mechanism of action and measuring the effectiveness of a given co
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39

Zhang, Chao. "Measurement and modeling of the in-plane permeability of oriented strand-based wood composites." Thesis, University of British Columbia, 2009. http://hdl.handle.net/2429/14837.

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The objective of this research is to investigate the effects of panel density and air flow direction on the in-plane permeability of oriented strand-based wood composites. In-plane permeability is a key factor governing the energy consumption and pressing time during manufacture. The result is expected to provide information which could potentially reduce the pressing time. The thick, oriented strand boards of five densities were made of aspen (Populus tremuloides), and pressed in the laboratory. The production procedure yielded a uniform vertical density profile and good strand orientation. T
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40

Oja, Johan. "X-ray measurement of properties of saw logs /." Luleå, 1999. http://epubl.luth.se/1402-1544/1999/14/index.html.

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41

Sarja, T. (Tiina). "Measurement, nature and removal of stickies in deinked pulp." Doctoral thesis, University of Oulu, 2007. http://urn.fi/urn:isbn:9789514284649.

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Abstract Stickies refer to tacky contaminants in recovered paper, excluding wood extractives. Stickies originate from adhesives, ink binders and coating binders. Stickies able to pass a sieve of 100 or 150 μm (depending on standard) are called micro stickies, whereas the particles retained on the screen are called macro stickies. Dissolved and colloidal stickies are called secondary stickies. There are standard methods for macro stickies, but a standard method measuring the total amount of stickies is lacking. Furthermore, the size distribution, and nature of stickies in the sense if they are
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42

Berg, Allison M. (Allison May). "The feasibility of sodar wind profile measurements from an oceanographic buoy." Thesis, Massachusetts Institute of Technology, 2006. http://hdl.handle.net/1721.1/38510.

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Thesis (S.M.)--Joint Program in Oceanography/Applied Ocean Science and Engineering (Massachusetts Institute of Technology, Dept. of Mechanical Engineering; and the Woods Hole Oceanographic Institution), 2006.<br>This electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.<br>Includes bibliographical references (leaf 75).<br>This thesis explores the feasibility of making wind speed profile measurements from an oceanographic buoy using a Doppler sodar. In the fall of 2005, we deployed a Scintec SFAS sodar on an
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43

White, Braden Spencer. "Measurement of Wood Pallet Performance Subjected to Uniform Loading in Racked, Fork Tine, and Floor Stacked Support Conditions." Thesis, Virginia Tech, 2008. http://hdl.handle.net/10919/33730.

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<p>Wood pallets are heavily used throughout the United States and the World to transport, store, and protect goods. During a lifecycle, pallets typically experience various stresses from warehouse storage racks, materials handling equipment, and floor stacking situations. The components within the pallet interact to withstand load and impact forces. Every year product damage and human injury/death result from improperly designed pallets, non-reliable packaging systems, and careless materials handling methods. </p><p> In use wood pallets are exposed to a variety of loads and support conditio
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44

Marques, Duarte da Paz Ana Marta. "Water content measurement in woody biomass : using dielectric constant at radio frequencies." Licentiate thesis, Mälardalen University, School of Sustainable Development of Society and Technology, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:mdh:diva-963.

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<p>The will for replacement of fossil fuels increased the use of woody biomass as fuel in heating and power plants. An important parameter for the use woody biomass as fuel is the water content of biomass as it influences the heating value and thereby the combustion control and pricing. Currently, water content is determined using the gravimetric method by drying samples  in an oven. This method is neither fast nor representative, as the water content can vary largely in different parts of the container which raised the need to develop sensors that are able to measure water content of biomass
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45

Spangenberg, Dirk-Mathys. "Investigation of a wool measurement device for determining the mean diameter of a sample consisting of multiple wool fibres." Thesis, Stellenbosch : Stellenbosch University, 2012. http://hdl.handle.net/10019.1/20383.

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Thesis (MScEng)--Stellenbosch University, 2012.<br>ENGLISH ABSTRACT: In the wool trade the mean diameter of wool is a primary indicator of wool quality. It is currently standard practice for a wool grower to send samples to a laboratory for classification before and after shearing. The devices used to make measurements on samples are often big and bulky and sensitive to the environment, thus they are not ideally suited for on site testing. A brief discussion of the industry is given with background information on existing devices as well as information about organic fibres in general. W
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46

Kepper, James H. IV. "MEMS IMU inertial measurement unit one-way-travel-time inertial measurement unit autonomous underwater vehicles." Thesis, Massachusetts Institute of Technology, 2017. http://hdl.handle.net/1721.1/113756.

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Thesis: S.M. in Oceanographic Engineering, Joint Program in Applied Ocean Science and Engineering (Massachusetts Institute of Technology, Department of Mechanical Engineering; and the Woods Hole Oceanographic Institution), 2017.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (pages 83-87).<br>Recent advances in acoustic navigation methodologies are enabling the way for AUVs to extend their submerged mission time and maintain a bounded XY position error. Additionally, advances in inertial sensor technology have drastically lowered the size, power consumption, an
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47

Harun, Md Ahasan Uddin. "Measurement of Positive Continuance Intention Drivers within a Service Domain." Thesis, University of North Texas, 2019. https://digital.library.unt.edu/ark:/67531/metadc1538650/.

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The contribution of this dissertation is how model measurement allows examination of the balance between what is practical in terms of consumer concerns versus what is optimal in terms of cost control. Essay 1 examines a research framework that incorporates various service recovery strategies and simultaneously evaluates their comparative influences. Essay 2 evaluates the complex interrelationships among different factors related to the post-complaint behavioral process. Essay 3 fills a research gap by examining the role of brand equity by operationalizing a reflective model using PLS in opera
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48

Ho, Ching-yee Christina, and 何靜宜. "The biomonitoring of heavy metal pollution in the wood and leaf chemistry of urban trees in Hong Kong." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1999. http://hub.hku.hk/bib/B43893958.

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49

Tian, Ye. "A STUDY OF CHARRING BEHAVIOR OF WOODS BASED ON INTERNAL TEMPERATURE AND CT-SCAN MEASUREMENTS." Case Western Reserve University School of Graduate Studies / OhioLINK, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=case1554473937988922.

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50

Olsson, Jennie. "Jämförelse av ekonomiskt utfall vid klassning av massaved enligt dagens klassningssystem och det nya systemet Prima-Sekunda : – En fallstudie på Mellanskog." Thesis, Linnéuniversitetet, Institutionen för skog och träteknik (SOT), 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-89540.

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In August 2019, Prima-Sekunda is about to be introduced, a new classification system for the classification of pulpwood during surveying to industry. This new classification system should be more time and cost effective and at the same time offer the industries commodity volume with better quality. The purpose of this study was to compare if there was any difference in the economic outcome with the new Prima-Sekunda compared to today's classification system when measuring pulpwood. Based on the 95 piles measured, it appeared that today's classification system gives somewhat better paid than Pr
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