Дисертації з теми "Timber Materials"
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Cameron, Tony Ray. "Alaskan timber resources for wood-plastic composites." Pullman, Wash. : Washington State University, 2009. http://www.dissertations.wsu.edu/Thesis/Summer2009/t_cameron_070209.pdf.
Повний текст джерелаTitle from PDF title page (viewed on Aug. 12, 2009). "Department of Civil and Environmental Engineering." Includes bibliographical references.
Kawar, Alexandra(Alexandra Alba). "Comparative study of bracing patterns and materials for tall timber buildings." Thesis, Massachusetts Institute of Technology, 2020. https://hdl.handle.net/1721.1/127286.
Повний текст джерелаCataloged from the official PDF of thesis.
Includes bibliographical references (pages 77-81).
Exploration of new designs for urban environments is increasingly focusing on reducing carbon emissions generated by construction and operation of tall buildings. With recent technological advances in timber construction and its potential to mitigate the carbon embodied in structural materials, tall timber buildings are gaining acceptance as various forms are considered for their designs. Recently built and proposed buildings demonstrate the use of mass timber to resist gravity and lateral loads. There are inherent efficiencies in placing lateral load resisting systems on the perimeter of a structure along with the possibilities to integrate versatile geometric patterns and effective structural solutions. However, timber material properties may lead to elements of larger volume than those made of steel or concrete. This study compares structural stiffness gains and carbon emission reductions for exterior bracing created in timber and timber-steel hybrid configurations. Numerical analyses are used to explore braced frame geometries and layouts for the steel and timber elements, to predict structural response, and compare the effects of material placement.
by Alexandra Kawar.
M. Eng.
M.Eng. Massachusetts Institute of Technology, Department of Civil and Environmental Engineering
Huang, Sheng. "Experiment study of the mechanical properties of timber materials under various humidity condition." Thesis, University of Macau, 2018. http://umaclib3.umac.mo/record=b3950672.
Повний текст джерелаSantana, Maria Elena, and n/a. "Eco-efficient timber use through bio-sensitive design." University of Canberra. Architecture and Building, 1998. http://erl.canberra.edu.au./public/adt-AUC20061107.164347.
Повний текст джерелаVoth, Christopher Ray. "Lightweight sandwich panels using small-diameter timber wood-strands and recycled newsprint cores." Pullman, Wash. : Washington State University, 2009. http://www.dissertations.wsu.edu/Thesis/Fall2009/c_voth_120609.pdf.
Повний текст джерелаTitle from PDF title page (viewed on Jan. 26, 2010). "Department of Civil and Environmental Engineering." Includes bibliographical references.
Höök, Matilda. "Timber volume element prefabrication : production and market aspects /." Luleå : Luleå tekniska universitet, 2005. http://epubl.ltu.se/1402-1757/2005/65/.
Повний текст джерелаIsik, Aydin. "Disassembly And Re-use Of Building Materials: A Case Study On Salvaged Timber Components." Master's thesis, METU, 2003. http://etd.lib.metu.edu.tr/upload/1042431/index.pdf.
Повний текст джерелаwaste&rsquo
materials, while decreasing the cost of construction also preserves the environment from wasteful and extensive use of natural resources. It is hoped that the findings of such a study will encourage professionals to use second hand timber components in Turkey. In order to deal with the waste problem and to save our planet the re-use of construction materials from economic, environmental, social, and historic points of views should be pursued. This research incorporated information about the re-use of timber, including ongoing projects around the world, as reported by the International Council for Research and Innovation in Building Construction (CIB) Task Group on Deconstruction (TG39), a local survey of individuals, organizations, and businesses that are related to the recycling and reuse of building materials. Local deconstruction works, recovery and re-use of timber elements and components were investigated on the basis of information obtained from the demolition contractors in Bentderesi locality in Ankara, a salvaged materials market. iii Moreover the study aimed to observe how used timber components are recovered from a demolition project. By observing the demolition of a building the author was able to determine the problems in recovering timber with the least damage. The findings of the investigation indicated that the architects and the building industry can play an important role to increase recovery rates and conditions of used timber components in construction, considerably. Instead of using nails for timber joints bolted connections should be preferred since they allow demounting and re-use with minimum damage during the deconstruction process. At the same time defects in timber due to extensive and unnecessary nailing can also be avoided. The decision on type of deconstruction, time and cost estimation, worker ability and sensitivity during disassembly influence the success of deconstruction. Tools and machinery used both on the work site and in the UBMs selling area have direct effects on the condition of recovered materials.
Ng, Pui-ling Anna Laura. "Reduction of timber use in the Hong Kong construction industry to mitigate severe deforestation in tropical forests in Southeast Asia /." Hong Kong : University of Hong Kong, 2000. http://sunzi.lib.hku.hk/hkuto/record.jsp?B22284503.
Повний текст джерелаChecchia, De Ambrosio Giovanni. "Synthetic Redundancy - An adaptive, hi-res timber frame tectonics based on a digital materials strategy." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2017. http://amslaurea.unibo.it/14359/.
Повний текст джерелаGutshall, Scott T. "Monotonic and cyclic short-term performance of nailed and bolted timber connections." Thesis, Virginia Polytechnic Institute and State University, 1994. http://hdl.handle.net/10919/50106.
Повний текст джерелаMaster of Science
incomplete_metadata
Whale, L. R. J. "Deformation characteristics of nailed or bolted timber joints subjected to irregular short or medium term lateral loading." Thesis, London South Bank University, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.380658.
Повний текст джерелаAmigo, Jesus Menendez. "Optimisation of timber frame closed panel systems for low energy buildings." Thesis, Edinburgh Napier University, 2017. http://researchrepository.napier.ac.uk/Output/1035263.
Повний текст джерелаKouromenos, Alexandros. "Lateral Strength and Ductile Behavior of a Mortise-Tenon Connected Timber Frame." DigitalCommons@CalPoly, 2017. https://digitalcommons.calpoly.edu/theses/1790.
Повний текст джерелаWahlers, John Colin. "A study of the extrusion of particulate cellulosic composite materials." Thesis, Brunel University, 1988. http://bura.brunel.ac.uk/handle/2438/7868.
Повний текст джерелаNg, Pui-ling Anna Laura, and 吳佩玲. "Reduction of timber use in the Hong Kong construction industry to mitigate severe deforestation in tropical forests in Southeast Asia." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2000. http://hub.hku.hk/bib/B31260342.
Повний текст джерелаRask, Fredrik. "Life Cycle Assessment and comparison of the climate impact of structural members and floor systems constructed in concrete, steel and timber." Thesis, KTH, Byggnadsmaterial, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-256506.
Повний текст джерелаPeñaloza, Diego. "Exploring climate impacts of timber buildings : The effects from including non-traditional aspects in life cycle impact assessment." Licentiate thesis, KTH, Byggnadsmaterial, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-161193.
Повний текст джерелаQC 20150310
Wadi, Husam. "Structural behaviour of lateral load-carrying capacity of timber frame walls filled with hemp concrete : experimental study and numerical analysis." Thesis, Université Clermont Auvergne (2017-2020), 2019. http://www.theses.fr/2019CLFAC038/document.
Повний текст джерелаConstruction projects nowadays face significant challenges to reduce the large amounts of daily energy usage for utilities such as heating, electricity and hot water in residential and commercial buildings – especially in Europe. Many building regulations encourage the use of bio-based materials with superior physical properties for energy efficiency in the construction sector. The use of low-carbon material in structures such as hemp concrete, improves the insulation level and sound absorption and simultaneously decreases the weight of the building structure, as this natural material provides low-density aggregate. This study aimed to investigate the mechanical behaviour of timber frame walls against lateral loads. Cross-laminated timber walls (CLT) and Oriented Strand Board (OSB) were used in this study in order to examine the global lateral strength of timber walls. A theoretical approach has been proposed to predict the lateral performance of CLT wall against lateral loads and a comparison between the theoretical and experimental results has been conducted. Experimental testing was undertaken on a full-size example of two different designs of timber walls to investigate and highlight the parameters that significantly affect the lateral resistance of hemp concrete as infill material. Vertical studs and diagonal bracing elements under compression were used in this study, with dimensions of 2.5m height and 1.25m length. The results showed that hemp concrete makes a slight contribution against lateral loads in vertical stud timber wall of length 1.25m, which means that decreasing the length of timber wall significantly decreased the hemp concrete contribution against lateral loads. Three timber walls with different lengths (1.2m, 1.6m and 2.4m) filled with hemp concrete have been examined numerically in this study. Based on the numerical results, it was obvious that the length of the timber wall plays a major role in the lateral strength of hemp concrete, as increasing the wall length significantly increased the lateral strength of hemp concrete. Also, the contact and bonding between hemp material and timber studs significantly affected the lateral load carrying capacity of hemp concrete as infill material in timber frame walls
Córdova, Franciele Oliveira de. "Desempenho tecnológico de vigas em madeira laminada colada de paricá (Schizolobium amazonicum) tratadas quimicamente." Universidade do Estado de Santa Catarina, 2015. http://tede.udesc.br/handle/handle/1946.
Повний текст джерелаCoordenação de Aperfeiçoamento de Pessoal de Nível Superior
Structural elements in glued laminated timber (GLT) are made mostly with exotic wood from planted forests. However, are little studies to evaluate the performance of native forest species planted in Brazil for use in GLT. This work aims to evaluate the technological performance of the native species of planted forest, paricá (Schizolobium amazonicum) in the composition of beams GLT, chemically treated. Assays were performed to mechanical characterization, as well as its preservation and performance by gluing. It was conducted three treatments: GLT beams without chemical treatment; GLT beams with blades chemically treated and GLT beams chemically treated after bonding of untreated blades. The beams were of approximate dimensions 5,0x10,0x240,0 cm consisting of four blades. The position of the blades according to the classification given by way of non-destructive testing has been determined that the modulus of elasticity. A comparison between the analytical strain was performed by means of this particular section of the Homogenization Method (HMS) and experimental deformation determined by this bending test at four points. Experiments with GLT paricá chemically immunized, showed that there is no significant resistance loss, being equivalent to MLC beams treated and untreated chemically, and your collage is also not affected by the chemical treatment. Based on the results, it can be stated that both the chemical treatment blades such as the treatment of GLT beam as the whole, do not significantly affect the mechanical performance of the beams in GLT paricá
Elementos estruturais em madeira laminada colada (MLC) são constituídos, em sua maioria, com madeiras exóticas de florestas plantadas. Entretanto, são poucas as pesquisas que avaliem o desempenho de espécies nativas de floresta plantada no Brasil para uso em MLC. Este trabalho tem como objetivo avaliar o desempenho tecnológico da espécie nativa de floresta plantada, o paricá (Schizolobium amazonicum) na composição de vigas em MLC, tratada quimicamente. Foram realizados ensaios para caracterização mecânica, bem como o seu desempenho mediante a preservação e a colagem. Foram realizados três tratamentos: vigas MLC sem tratamento químico; vigas MLC com lâminas tratadas quimicamente e vigas MLC tratadas quimicamente depois da colagem de lâminas não tratadas. As vigas eram de dimensões aproximadas de 5,0x10,0x240,0 cm compostas por quatro lâminas. A posição das lâminas se deu conforme classificação por meio de teste não destrutivo em que foi determinado o módulo de elasticidade. Foi realizada uma comparação entre a deformação analítica, esta determinada por meio do Método de Homogeneização da Seção (MHS) e deformação experimental, esta determinada por meio de ensaio de flexão a quatro pontos. Os experimentos com MLC de paricá imunizado quimicamente, mostraram que não houve perda de resistência significativa, sendo equivalentes para vigas MLC tratadas e não tratadas quimicamente, e sua colagem também não é prejudicada pelo tratamento químico. As deformações analíticas e experimentais também foram equivalentes. Com base nos resultados pode-se afirmar que tanto o tratamento químico de lâminas, como o tratamento da viga MLC como o todo, não afetam significativamente o desempenho mecânico das vigas em MLC de paircá
Vrazel, Matthew Eric. "The effects of species, adhesive type, and cure temperature on the strength and durability of a structural finger joint." Thesis, Mississippi State : Mississippi State University, 2002. http://library.msstate.edu/etd/show.asp?etd=etd-05152002-122630.
Повний текст джерелаArchila, Santos Hector Fabio. "Thermo-hydro-mechanically modified cross-laminated Guadua-bamboo panels." Thesis, University of Bath, 2015. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.675700.
Повний текст джерелаParrott, Jordan A. "Timbre Architecture: The Glitch is the System." University of Cincinnati / OhioLINK, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1243013919.
Повний текст джерелаMohamed, Ahmed S. "Photogrammetric and stereo vision techniques for evaluating material properties in timber and timber-based composite structures." Thesis, Edinburgh Napier University, 2016. http://researchrepository.napier.ac.uk/Output/462281.
Повний текст джерелаAlkhado, Luqman, and Youcef Boussaa. "Heat transfer tests on EPS material and massive timber wall component." Thesis, Högskolan Dalarna, Energiteknik, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:du-28673.
Повний текст джерелаRatto, Diego. "Electroacoustic Orchestration : Timbre, Space and Sound Material Organisation." Thesis, Kungl. Musikhögskolan, Institutionen för komposition, dirigering och musikteori, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:kmh:diva-3144.
Повний текст джерелаJantan, Mohd Dahlan. "Chemical preservation of some refractory timber species of Malaysia." Thesis, University of Portsmouth, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.310381.
Повний текст джерелаRininger, Zachary Scott. "The utilizaton of small diameter timbers in pultruded long strand composites." Online access for everyone, 2008. http://www.dissertations.wsu.edu/Thesis/Summer2008/Z_Rininger_072108.pdf.
Повний текст джерелаPearson, Hannah. "Strut and tie modelling of cross-laminated timber panels incorporating angular material properties." Thesis, University of Bath, 2015. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.667741.
Повний текст джерелаvan, Beerschoten Wouter Adrian. "Structural Performance of Post-tensioned Timber Frames under Gravity Loading." Thesis, University of Canterbury. Department of Civil and Natural Resources engineering, 2013. http://hdl.handle.net/10092/8735.
Повний текст джерелаAparicio, German Walter Jr. "Holzbau : timber construction and material information exchanges for the design of complex geometrical structures." Thesis, Massachusetts Institute of Technology, 2010. http://hdl.handle.net/1721.1/59105.
Повний текст джерелаPage 77 blank. Cataloged from PDF version of thesis.
Includes bibliographical references (p. 74).
In a universe made of bits where everything is continuously computing and nature itself is processing information everyday, what is it that our materials compute? Specifically, what are the bits of information registered within timber? More importantly, in this universe made of bits how do we design using this information and how do we imagine new buildings? This thesis explores the use of wood as a natural material in the design and construction of complex geometrical timber structures by capturing the natural curvature found in timber into digital data and building a framework for surface timber mapping as a design method. Key results include a detailed framework for translation, method for timber mapping and a prototype utilizing this method. Future steps include growth of timber structures and the use of living material in combination with typical timber construction methods for the design and construction of future buildings.
by German Walter Aparicio Jr.
S.M.
Brose, Andrew(Andrew John). "Peripheral timber applications for waste wood material in extreme climates and earthquake risk regions." Thesis, Massachusetts Institute of Technology, 2018. https://hdl.handle.net/1721.1/122902.
Повний текст джерелаThesis: S.M. in Architecture Studies: Building Technology, Massachusetts Institute of Technology, Department of Architecture, 2018
Cataloged from student-submitted PDF version of thesis.
Includes bibliographical references (pages 63-66).
Worldwide, discarded construction and demolition material account for 40% of all municipal solid refuse including residential, commercial, institutional, and agricultural waste flows (Elgizawy, El-Haggar, and Nassar 2016). Hong Kong sends over 200 tons of timber waste from old formwork and scaffolding to the landfill per day (Wang et al. 2016). After fulfilling their assumed raison d'etre, the cement-flaked shuttering boards and stubby scaffolding poles arrive amongst the discards, eventually deformed beyond utility. This thesis explores the possibilities of reusing wood that sits at the fringe of construction projects, in applications that bring back the beauty and elegance ingrained in the oldest of building material. In part, this project is a remolding of the perception of undervalued wood species and construction waste. This research proposes specific techniques, inculcating value into discarded wood material and bringing a new mechanism for the material production of timber existing at the periphery of design and construction. In application, this study considers solutions around natural fiber composites and timber space-frame roofs for affordable housing projects. A prototype space-frame using small diameter wood elements was constructed in India and made practical by the development of a simple joint system. Load testing of the frame provided positive results (2.3 kN/m²) and surpassed India National Building Code standards for roof design. In addition, waste wood fibers incorporated in cementitious wall and roof panels improved thermal insulation properties (0.164 W/m²·K) while increasing flexural strength (4.6 N/mm²). Prototype and samples were tested within the objectives of improved thermal comfort, increased earthquake safety, and reduced material cost.
by Andrew Brose.
S.M. in Architecture Studies: Building Technology
S.M.inArchitectureStudies:BuildingTechnology Massachusetts Institute of Technology, Department of Architecture
Špačková, Eva. "Multifunkční objekt v Českých Budějovicích." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2016. http://www.nusl.cz/ntk/nusl-240487.
Повний текст джерелаSanna, Fausto. "Timber modern methods of construction : a comparative study." Thesis, Edinburgh Napier University, 2018. http://researchrepository.napier.ac.uk/Output/1256099.
Повний текст джерелаParucker, Fernando Falaster 1978, Jackson Roberto 1974 Eleotério, and Universidade Regional de Blumenau Programa de Pós-Graduação em Engenharia Florestal. "Modelagem e simulação da flexão estática de painéis Cross Laminated Timber pelo método de elementos finitos." reponame:Biblioteca Digital de Teses e Dissertações FURB, 2018. http://www.bc.furb.br/docs/DS/2018/364004_1_1.pdf.
Повний текст джерелаDissertação (Mestrado em Engenharia Florestal) - Programa de Pós-Graduação em Engenharia Florestal, Centro de Ciências Tecnológicas, Universidade Regional de Blumenau, Blumenau.
Čáslava, Petr. "Šetrné bydlení na venkově." Doctoral thesis, Vysoké učení technické v Brně. Fakulta architektury, 2013. http://www.nusl.cz/ntk/nusl-233251.
Повний текст джерелаLessa, Rafael 1984, Jackson Roberto 1974 Eleotério, and Universidade Regional de Blumenau Programa de Pós-Graduação em Engenharia Florestal. "Viabilidade técnica do uso de madeira de Pinus taeda e Eucalyptus grandis na fabricação de painéis CLT - Cross Laminated Timber." reponame:Biblioteca Digital de Teses e Dissertações FURB, 2017. http://www.bc.furb.br/docs/DS/2017/363172_1_1.pdf.
Повний текст джерелаDissertação (Mestrado em Engenharia Florestal) - Programa de Pós-Graduação em Engenharia Florestal, Centro de Ciências Tecnológicas, Universidade Regional de Blumenau, Blumenau.
Lively, Jason M. "In Situ Ion Exchange in a Micro-porous Transition Metal Silicate Framework." TopSCHOLAR®, 2016. http://digitalcommons.wku.edu/theses/1730.
Повний текст джерелаTyrstam, Sabina. "Påverkas bottenfaunan av att timmer lagras i sjöar? En studie i Kisasjön efter stormen Gudrun." Thesis, Linköping University, The Department of Physics, Chemistry and Biology, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-11602.
Повний текст джерелаStormen 2005 drabbade södra Sverige och skövlade nästan 70 miljoner m3 timmer på en natt, varför mycket timmer lagrades i Kisasjön. Syftet med detta arbete är att undersöka om bottenfaunan i Kisasjön påverkats av timmerlagringen genom låga syrehalter och ändrat bottensubstrat. Även den närbelägna Knoppetorpssjön dit Kisasjöns vatten rinner undersöktes. På vardera tio djup under språngskiktet i varje sjö togs fem ekmanhugg. Syreförhållandena mättes vid varje lokal och sedimentet beskrevs. Syrehalten var nära noll vid botten på lokaler djupare än 6 m redan tidigt under sommaren. Totalt fångades 2136 individer fördelade på 10 taxa. Sjöarna innehöll i stort sett samma taxa men antalet individer skiljde. Chaoborus flavicans
dominerade i Knoppetorpssjön och ökade med djupet, medan de andra grupperna var vanligare på mindre djupt vatten. Oligochaeta dominerade i Kisasjön och minskade med djupet. Chironomini och C. flavicans vara dock något vanligare på djupa bottnar. En tidigare undersökning i Kisasjön visade på liknande artsammansättning. Alla taxa är anpassade till ett liv i syrebrist. Oligochaeta,
Chironomidae och C. flavicans kan lagra syre för senare bruk. C. flavicans söker dagtid skydd undan fiskpredation nära den syrefria sedimenten, vilket troligen förklarar dess höga antal i Knoppetorpssjön. Lägre antal i Kisasjön kan bero på
förorenat vatten, kanske oljeutsläpp, medan Oligochaeta kan ha högre toleransnivå. Att det var färre Oligochaeta i Knoppetorpssjön kan bero på mindre mängd organiskt material (bark) där.
Rival, Olivier. "Organic materials for quantum computation." Thesis, University of Oxford, 2009. http://ora.ox.ac.uk/objects/uuid:3674b9ce-c284-47b5-ab0d-76d094c849f0.
Повний текст джерелаShukla, Nitin. "Heat Transport across Dissimilar Materials." Diss., Virginia Tech, 2009. http://hdl.handle.net/10919/27820.
Повний текст джерелаPh. D.
Song, Qiong. "FAST RESPONSE DUAL FREQUENCY LIQUID CRYSTAL MATERIALS." Doctoral diss., University of Central Florida, 2010. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/3112.
Повний текст джерелаPh.D.
Optics and Photonics
Optics and Photonics
Optics PhD
Hilker, Jesse Kirtland. "On Building: A Return of the Master Builder." Thesis, Virginia Tech, 2019. http://hdl.handle.net/10919/91394.
Повний текст джерелаMaster of Architecture
This project aims to chronicle the process of building from the architects point of view. Not mindless, mechanical tasks aimed at some economic goal; but tangible, thoughtful work towards an educational and philosophical desire. The desire to be a Master-Builder has fueled architects for centuries. It is a role that the common definition of Architect has all but forgotten. While in practice very few of us will continue this tradition, it is important that we not lose this fundamental aspect of building. To begin to fulfill oneself with this title, the path is very simple: build a building. That is what follows in this book. It is a chronological outline of the design and build of the New River Valley Train Observation Tower. An additional layer to this project is the inclusion of a variety of innovative building materials/techniques, particularity the use of hardwood cross-laminated timber (CLT). This building will serve as an ongoing research opportunity to evaluate the conditions of building with this material in an extreme condition, complete exposure to weather. No work of architecture is a solo endeavor, yet my heavy involvement in the design, documentation, and building of the tower has culminated in a body of work that is distinctly my own. My role was that of a project manager, and I reported to faculty Kay Edge, Edward Becker, and Robert Riggs. This structure allowed me to have a great deal of independence, while vetting my drawings and ideas with experienced professionals. A small group of students joined me in the larger aspects of the build, which provided another opportunity to discover an aspect so critical to building: collaboration. This build taught so much about project management, design, and realization that could only be understood through such a physical experience.
Rothschedl, Christopher, Roland Ritt, Paul O'Leary, Matthew Harker, Michael Habacher, and Michael Brandner. "Real-time-data analytics in raw materials handling." Technische Universitaet Bergakademie Freiberg Universitaetsbibliothek "Georgius Agricola", 2018. http://nbn-resolving.de/urn:nbn:de:bsz:105-qucosa-231350.
Повний текст джерелаSpencer, Ben. "Pump-probe spectroscopy of photovoltaic materials." Thesis, University of Manchester, 2011. https://www.research.manchester.ac.uk/portal/en/theses/pumpprobe-spectroscopy-of-photovoltaic-materials(f4b7f755-338a-4fad-814c-4dcc95d5b72d).html.
Повний текст джерелаColbert, Mark. "APPEARANCE-DRIVEN MATERIAL DESIGN." Doctoral diss., University of Central Florida, 2008. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/2608.
Повний текст джерелаPh.D.
School of Electrical Engineering and Computer Science
Engineering and Computer Science
Computer Science PhD
Rothschedl, Christopher, Roland Ritt, Paul O'Leary, Matthew Harker, Michael Habacher, and Michael Brandner. "Real-time-data analytics in raw materials handling." TU Bergakademie Freiberg, 2017. https://tubaf.qucosa.de/id/qucosa%3A23195.
Повний текст джерелаVenkatapathi, Sarankumar. "Temperature effects on the electronic properties of lead telluride (PbTe) and the influence of nano-size precipitates on the performance of thermoelectric materials. (SrTe precipitates in PbTe bulk material)." Thesis, Virginia Tech, 2013. http://hdl.handle.net/10919/51947.
Повний текст джерелаMaster of Science
Penedo, Cátia Maria Lourenço. "A organização do espaço, do tempo, dos materiais e do brincar na creche e no jardim – de – infância." Master's thesis, Instituto Politécnico de Setúbal. Escola Superior de Educação, 2017. http://hdl.handle.net/10400.26/19646.
Повний текст джерелаO presente projeto de investigação tem como temática central a organização do espaço, dos materiais e do tempo na Creche e no Jardim – de – Infância. A presente investigação teve como ponto de partida as vivências experienciadas, em quatro momentos, em duas instituições distintas em contexto de Creche e Jardim – de – Infância, onde tive oportunidade de estagiar no âmbito do Mestrado em Educação Pré-Escolar. Este estudo teve como objetivo compreender como otimizar a organização do espaço, dos materiais e do tempo educativo, compreender e interpretar as conceções e o sentido pedagógico que as equipas atribuem à organização do espaço, dos materiais e do tempo, enquanto recursos educativos. Ao mesmo tempo, este estudo teve também como intencionalidade, intervir de modo a melhorar os espaços das instituições onde estagiei, de forma a criar novos desafios e experiências que contribuíssem para a aprendizagem e desenvolvimento das crianças. O projeto desenvolvido adota o paradigma interpretativo da investigação qualitativa, particularizando-se na abordagem da investigação – ação.
This research project has as its central theme the Organization of space, materials and time in the nursery and kindergarten. The investigation took as its starting point the experiences experienced in four times, in two distinct institutions in context of Nursery and kindergarten, where I had the opportunity to intern for master degree in pre-school education – schools. This study aimed to understand how to optimize the Organization of space, materials and educational time, understand and interpret the concessions and the pedagogical sense that teams attach to the Organization of space, time and materials, while educational resources. At the same time, this study had also as intentionality, intervene in order to improve the spaces of the institutions where I worked, in order to create new challenges and experiences that contribute to the learning and development of children. The project developed adopts interpretive paradigm of qualitative research, more specifically on research-action approach.
Cruz, Maria (Maria Regina Torres). "The impact of plant product harvesting on Derre Miombo woodlands, Mozambique / by Maria Cruz." Thesis, Stellenbosch : Stellenbosch University, 2002. http://hdl.handle.net/10019.1/53124.
Повний текст джерелаENGLISH ABSTRACT: This study investigates how information on plant products can be used to incorporate local users into joint forest management planning by developing guidelines for sustainable collaborative management in Derre miombo woodland in the Zambézia Province in Mozambique. From the participatory appraisal, it was found that 46 woody miombo species were used in the five villages for at least 29 different purposes. Five of these species (Brachystegia boehmii, B. spiciformis, Pterocarpus angolensis, Terminalia sericea and Swartzia madagascariensis) were selected for analysis because of their multiple uses and the unknown impact of their harvesting on the future survival of those hardwood trees species. In order to determine the impact of human resource extraction on the forest and on the dynamics of tree canopy populations an inventory of woody plants was.carried out for two categories of forest land-use, namely selective harvesting and fallow land (approximately 15 years old). This was done for Golombe and Arame villages and for selective harvesting only for Mphoto village, on 23, I-ha random selected plots in the woodland adjacent to the three villages. The population structure of the five species T sericea, S. madagascariensis, P. angolensis, B. boehmii and B. spiciformis showed different trends in each of the three villages. Size class distribution of the first tree species gave evidence that the species were being harvested for building poles. This study has shown that, through plant species products, miombo contribute to the livelihoods of the local communities living in Derre woodlands. In this study it was found that usually more than one species were used for one product as well as most of the species being trees with multiple uses. This study has also provided some evidence that P. angolensis and S. madagascariensis can benefit from shifting cultivation and fire, which encourages coppice regeneration. More research is required to further validate this evidence.
AFRIKAANSE OPSOMMING: Hierdie studie ondersoek die moontlikhede wat inligting oor spesifieke plantprodukte bied, in die betrekking van plaaslike gemeenskappe in die proses van gesamentlike bosbestuurs- en beplanningspraktyke. Verder word riglyne opgestel aangaande die volhoubaarheid van die gesamentlike bestuurs- en beplanningspraktyke in die Derre miombo bosveld, in die Zambézia Provinsie in Mozambique. Inligting verkry vanuit die deelnemende opname dui aan dat in die vyf nedersettings wat ondersoek is, 46 houtagtige miombo spesies vir ten minste 29 verskillende doeleindes aangewend word. Vyf van die spesies (Brachystegia boehmii, B. spiciformis, Pterocarpus angolensis, Terminalia sericea en Swartzia madagascariensis) is geselekteer vir gebruik in analises as gevolg van hul benutbaarheid deur plaaslike inwoners en die feit dat minimale inligting beskikbaar is oor die impak van gebruik van die harde hout spesies op hul volhoubare benutting en voortbestaan. 'n Opname van houtagtige spesies is uitgevoer in areas wat val in een van twee bosgrondgebruiks kategoriee nl. areas wat selektief geoes en benut word, en braaklande (ongeveer 15 jaar oud). Dit is gedoen om die impak wat verwydering van boshulpbronne deur mense op die boomkruin populasies het, vas te stel. Die opname strategie is gevolg in 23 ha persele, uitgelê in die gebiede wat die Golombe, Arame en Mphoto nedersettings omring - in die geval van laasgenoemde nedersetting is slegs die impak van selektiewe benutting ondersoek. Die populasie struktuur van die vyf studiespesies (T sericea, S. madagascariensis, P. angolensis, B. boehmii en B. spiciformis) het verkil vir elk van die drie nedersettings wat ondersoek is. Die verspreiding van grootte klasse vir die eerste spesie, het aangedui dat die spesie vir gebruik as konstruksie pale geoes word. Die miombo bosveld plantegroei-tipe dra by tot die lewensonderhoud van plaaslike gemeenskappe in die vorm van plant produkte, in die Derre omgewing. Daar is verder gevind dat meer as een spesie dikwels vir dieselfde doel aangewend kan word en die meeste van die spesies wat benut word is boomagtig met meer as een gebruik. In die studie is verder aanduidings gevind dat P. angolensis en S. madagascariensis kan baatvind by grondverbouings praktyke wat gereeld verskuif word en ook brande, omdat beide praktyke kreupelhout regenerasie stimuleer. Verdere navorsing word egter benodig om dié bevinding te ondersteun.
Frisk, Carlman Joel. "Äventyrstorn : En undersökning av konstruktionslösningar och material." Thesis, Mittuniversitetet, Avdelningen för ekoteknik och hållbart byggande, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:miun:diva-35529.
Повний текст джерелаDeep Wild is an adventure company which specializes in product development among other things. Customers of the company have been asking for a tower from which it’s possible to exercise different kinds of adventure activities, such as ziplining and climbing. Deep Wild doesn’t have in house experience from constructing supporting structures that are not directly related to the special equipment used to exercise these activities. Therefore students have been asked to find a solution on how to construct a tower like this. The purpose of this study is to investigate how an adventure tower can be constructed. The tower is structurally designed using Eurocodes and the loads generated from the activities exercised appear in European Standard. Two possible solutions for the construction is developed, one with all supporting parts in steel and one with selected supporting parts in wood. These are then compared to each other with regard to their performance. The results show that there are many advantages using only steel profiles. All steel profiles required for the construction can be bought out of existing stock from producers. To use wooden profiles it is required to place orders on standard dimensions that are not part of the producers existing stock. The joints designed shows that using steel profiles these can easily be designed to provide a high safety margin. The joints designed using steel connectors to wooden profiles provides enough support only with small safety margins. By adjusting the design of the towers supporting system the use of wooden profiles could possibly be benefitted. A price comparison based on the price of material shows that the difference between laminated timber and steel in this construction is negligible. Two alternative ways of stabilizing the tower have been investigated. One with tensioned steel bracing and compressed bracing using the different construction materials. The other one using wall diaphragms on the side of the tower clad with climbing wall. The wall diaphragms method has its advantages because it makes it possible to place compressed bracings on different heights in the tower. The system with tensioned bracings can take higher loads and provide better safety margins and is therefore the recommended way of stabilizing this tower. The next step of this project is to provide complete enough material to calculate the cost of constructing.
Betyg 2018-06-05