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Dissertations / Theses on the topic 'Columbe'

Author: Grafiati

Published: 4 June 2021

Last updated: 6 February 2022

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1

Halmstad, Sonja. "Water Supply for Irrigation of Balda Lupaxi Bajo, Chimborazo, Ecuador." Thesis, Uppsala University, Department of Earth Sciences, 2004. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-88906.

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<p>Denna rapport är en del av en förstudie som syftar att undersöka möjligheterna för ett bevattningsprojekt i de ecuadorianska Anderna. Rapport koncentrerar sig på vatten-tillgången för förstudien Estudio de Prefacitbilidad de un Proyecto de Riego en los Andes – el Caso de Balda Lupaxi Bajo, Chimborazo, Ecuador. Fältundersökningarna gjordes under mars till och med maj 2003 i Balda Lupaxi Bajo, en indian-by i provinsen Chimobrazo. I detta område är nederbörden bristfällig och följaktligen är skörden dålig och det är inte möjligt att bruka jorden under delar av året. Idén till projektet initier

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2

Ruella, Fabiana Nicolatino. "Caracterização morfométrica dos estádios de Haemoproteus columbae Kruse, 1890 (protista, apicomplexa) no hospedeiro vertebrado Columba livia Gmelikm, 1879 e no hospedeiro invertebrado Pseudolynchia canarienses (Macquart, 1839) (Díptera: hippoboscidae) no município de Juiz de Fora, MG." Universidade Federal de Juiz de Fora (UFJF), 2005. https://repositorio.ufjf.br/jspui/handle/ufjf/2963.

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Submitted by Renata Lopes (renatasil82@gmail.com) on 2016-10-26T16:43:32Z No. of bitstreams: 1 fabiananicolatinoruella.pdf: 620558 bytes, checksum: 1a17022744f60ce3760b8b32d3ac99a1 (MD5)<br>Approved for entry into archive by Adriana Oliveira (adriana.oliveira@ufjf.edu.br) on 2016-12-15T12:54:23Z (GMT) No. of bitstreams: 1 fabiananicolatinoruella.pdf: 620558 bytes, checksum: 1a17022744f60ce3760b8b32d3ac99a1 (MD5)<br>Made available in DSpace on 2016-12-15T12:54:23Z (GMT). No. of bitstreams: 1 fabiananicolatinoruella.pdf: 620558 bytes, checksum: 1a17022744f60ce3760b8b32d3ac99a1 (MD5) Previ

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3

O, Farrell Aoife. "Columba : patriarch, prophet and politician. An analysis of the figure of Columba in Adomnán's Vita Columbae and Manus Ơ Donnell's Betha Colaim Chille." Thesis, University of British Columbia, 2012. http://hdl.handle.net/2429/42106.

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St. Columba is an iconic figure in the early Irish Christian Church. His life and works are testament to the spread of Irish monasticism and the success of Christian colonization of the British Isles. His legacy in the literary canon is simultaneously soldier, scholar and saviour. Two biographies written nearly one thousand years apart are used to analyse the saint’s life as exemplar of spiritual and political probity. The Vita Columbae, penned in the seventh century C.E. by Adomnán, the abbot of Iona, presents the figure of Columba as an early Christian soldier and pioneer; a politically savv

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4

Jovanovic, Dejan, and Ruslan Khalilov. "Transverse force absorption in column base mounts for steel columns : Screw joints in column bases." Thesis, KTH, Byggteknik och design, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-302520.

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It is common to use different construction materials in combination such as concrete, steel, wood and glass in order to optimize buildings. The purpose of this is to reduce weight and increase load capacity, but it also facilitates assembly and reduces construction time. Steel column bases anchored in concrete foundations are an example of a combination of interaction nodes between steel and concrete elements. This report studies the friction between the lower edge of the base plate and the grout, which is a function of the normal force of the column. The friction that occurs between the squar

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5

Huthmann, Eva. "Untersuchungen an Ringeltauben (Columba columbus) zum Nachweis von Infektionen mit dem aviären Paramyxovirus 1 (APMV-1)." Diss., lmu, 2009. http://nbn-resolving.de/urn:nbn:de:bvb:19-106770.

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6

Huthmann, Eva. "Untersuchungen an Ringeltauben (Columba columbus) zum Nachweis von Infektionen mit dem aviären Paramyxovirus 1 (APMV-1)." kostenfrei, 2009. http://edoc.ub.uni-muenchen.de/10677/.

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7

Lau, Hieng Ho. "The influence of column base connectivity on the stability of columns and frames." Thesis, Oxford Brookes University, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.394626.

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8

Malkin, Douglas Scott, and Douglas Scott Malkin. "An Investigation of a Novel Monolithic Chromatography Column, Silica Colloidal Crystal Packed Columns." Diss., The University of Arizona, 2010. http://hdl.handle.net/10150/193936.

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Many researchers have investigated ways to improve the separation power of conventional chromatography, most notable is the development of ultra-high performance liquid chromatography (UHPLC). However, only slight improvements in separation efficiency have been achieved up to this point, and unfortunately, modern reversed phase liquid chromatography (RPLC) methods do not have high enough resolving power to analyze complex proteomic mixtures.Uniformly sized silica particles from 10 nm to 1 micron are known to self-assemble into a highly ordered face centered cubic crystal. Silica colloidal crys

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9

Li, Yaqiong. "The Shaking Table Tests Column Database and evaluation of drift capacity models for non-ductile columns." Thesis, University of British Columbia, 2012. http://hdl.handle.net/2429/40417.

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A Shaking Table Tests Column Database comprised of 59 reinforced concrete columns subjected to shaking table tests is compiled in this research. Key geometrical information, material properties and test data of the columns are provided and used to improve the seismic assessment of old reinforced concrete structures. Several structural models estimating the column effective stiffness and drift capacities at shear failure and axial-load failure are evaluated. Models based on the design parameters, such as transverse reinforcement ratio and axial load ratio, generally underestimate the column d

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10

Koen, Johan Alexander. "An investigation into the axial capacity of eccentrically loaded concrete filled double skin tube columns." Thesis, Stellenbosch : Stellenbosch University, 2015. http://hdl.handle.net/10019.1/96797.

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Thesis (MSc)--Stellenbosch University, 2015.<br>ENGLISH ABSTRACT: Concrete filled double skin tube (CFDST) columns is a new method of column construction. CFDST columns consists of two steel hollow sections, one inside the other, concentrically aligned. The cross-sections of the two hollow sections does not have to be the same shape. Concrete is cast in between the two hollow sections resulting in a CFDST. This study only considers CFDST columns constructed with circular steel hollow sections. The advantages of CFDST construction include: ● The inner and outer steel hollow sections replaces t

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11

Elnabelsya, Gamal. "Use of Carbon Fiber Reinforced Polymer Sheets as Transverse Reinforcement in Bridge Columns." Thèse, Université d'Ottawa / University of Ottawa, 2013. http://hdl.handle.net/10393/24298.

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Performance of bridges during previous earthquakes has demonstrated that many structural failures could be attributed to seismic deficiencies in bridge columns. Lack of transverse reinforcement and inadequate splicing of longitudinal reinforcement in potential plastic hinge regions of columns constitute primary reasons for their poor performance. A number of column retrofit techniques have been developed and tested in the past. These techniques include steel jacketing, reinforced concrete jacketing and use of transverse prestressing (RetroBelt) for concrete confinement, shear strengthening and

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12

Jemah, Adel Karem. "Buckling of stayed columns and elastically supported columns." Thesis, Cardiff University, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.278598.

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13

Hazel, William Andrew. "Fourteen Columns." Thesis, Virginia Tech, 2012. http://hdl.handle.net/10919/44950.

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The thesis inquiry is a study of the interrelations between character, emotion and rationality in architecture. The primary modes of representation are digital still photography and hand drawing. To best illuminate these issues the work of the eye and hand of the architect play a vital role. Pastel, pencil and charcoal are the preferred media for the works on paper. Programmatically the building is a boathouse for eight-men crew shells. The boathouse is embedded into an ideal hillside, with one curved side angled slightly to the water and the landscape beyond. Together with a generous curved

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14

Gard, Jennifer Hansen. "Partake Columbus." The Ohio State University, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=osu1437330175.

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15

Kellermann, Alan Michael. "Columbus Day." Thesis, Swansea University, 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.678545.

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16

Melleu, Fernando Falkenburger. "A imobilidade tônica em pombos (Columba livia)." reponame:Repositório Institucional da UFSC, 2016. https://repositorio.ufsc.br/xmlui/handle/123456789/168137.

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Tese (doutorado) - Universidade Federal de Santa Catarina, Centro de Ciências Biológicas, Programa de Pós-Graduação em Neurociências, Florianópolis, 2016.<br>Made available in DSpace on 2016-09-20T04:56:25Z (GMT). No. of bitstreams: 1 340686.pdf: 12511647 bytes, checksum: 50ba0e6066b508259094750af90cddfc (MD5) Previous issue date: 2016<br>Introdução: A imobilidade tônica (IT) é uma resposta defensiva inata, presente em vertebrados e invertebrados, caracterizada por um estado reversível de profunda inibição comportamental, acompanhada de uma diminuição de responsividade e perda total ou parci

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17

Feick, Jenny L. "Evaluating ecosystem management in the Columbia Mountains of British Columbia." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape4/PQDD_0020/NQ54777.pdf.

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18

Galdos, Gonzalo. "La columna izquierda." Universidad Peruana de Ciencias Aplicadas (UPC), 2013. http://hdl.handle.net/10757/285413.

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Resulta fascinante la devoción que las personas suelen dedicarle a la relación con sus semejantes. El caso de los limeños está exacerbado por una herencia social muy ligada a la época del virreinato, donde el éxito estaba estrechamente asociado a la capacidad de las personas de relacionarse provechosamente con personalidades, autoridades o poderosos.

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19

Lovell-Mansbridge, Claire. "Sperm competition in the feral pigeon Columba livia." Thesis, University of Sheffield, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.364193.

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20

Schwalb, David, Jens Krüger, and Hasso Plattner. "Cache conscious column organization in in-memory column stores." Universität Potsdam, 2013. http://opus.kobv.de/ubp/volltexte/2013/6389/.

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Cost models are an essential part of database systems, as they are the basis of query performance optimization. Based on predictions made by cost models, the fastest query execution plan can be chosen and executed or algorithms can be tuned and optimised. In-memory databases shifts the focus from disk to main memory accesses and CPU costs, compared to disk based systems where input and output costs dominate the overall costs and other processing costs are often neglected. However, modelling memory accesses is fundamentally different and common models do not apply anymore. This work presents a

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21

Beckmann, Martin Dunbabin Katherine M. D. "The battle scenes on the column of Marcus Aurelius /." *McMaster only, 2003.

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22

Kong, Hye-Eun. "Design of One-Story Hollow Structural Section (HSS) Columns Subjected to Large Seismic Drift." Thesis, Virginia Tech, 2019. http://hdl.handle.net/10919/94024.

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During an earthquake, columns in a one-story building must support vertical gravity loads while undergoing large lateral drifts associated with deflections of the vertical seismic force resisting system and deflections of the flexible roof diaphragm. Analyzing the behavior of these gravity columns is complex since not only is there an interaction between compression and bending, but also the boundary conditions are not perfectly pinned or fixed. In this research, the behavior of steel columns that are square hollow structural sections (HSS) is investigated for stability using three design me

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23

Vais, Anca Mihaela. "Side reboiled distillation columns." Thesis, University of Nottingham, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.270237.

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24

Khalil, Nariman Jaber. "Slender reinforced concrete columns." Thesis, University of Leeds, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.305374.

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25

BUFFONI, SALETE SOUZA DE OLIVEIRA. "PARAMETRIC INSTABILITY OF COLUMNS." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 1998. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=2132@1.

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COORDENAÇÃO DE APERFEIÇOAMENTO DO PESSOAL DE ENSINO SUPERIOR<br>UNIVERSIDADE FEDERAL DO PARÁ<br>O presente trabalho tem por objetivo desenvolver uma formulação e certas estratégias que permitam a análise da perda de estabilidade de colunas esbeltas submetidas a carregamento axial periódico, fenômeno este conhecido como ressonância paramétrica. Uma excitação é dita paramétrica quando aparece nas equações de movimento do sistema na forma de coeficientes variáveis com o tempo - geralmente periódicos - e não como uma não homogeneidade. A coluna é descrita pela formulação clássica de Navier.

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26

Horton, Michael. "How Texas Discovered Columbus." Bowling Green State University / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=bgsu1499360066456133.

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27

Perry, Adele. "Gender race, and the making of colonial society British Columbia, 1858-1871 /." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp05/nq27317.pdf.

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28

Lui, Wing Man. "Design of cold-formed high strength stainless steel tubular columns and beam-columns /." View abstract or full-text, 2004. http://library.ust.hk/cgi/db/thesis.pl?CIVL%202004%20LUI.

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Thesis (M. Phil.)--Hong Kong University of Science and Technology, 2004.<br>Includes bibliographical references (leaves 149-154). Also available in electronic version. Access restricted to campus users.

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29

Rodrigues, John W. "District of Columbia Policy Decisions and the Redevelopment of the Columbia Heights Neighborhood." University of Cincinnati / OhioLINK, 2005. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1116877226.

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30

Aldoumani, Noor. "Instrumentations to investigate magnetoreception in homing pigeons (Columba livia)." Thesis, Cardiff University, 2017. http://orca.cf.ac.uk/103618/.

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Seasonal migration of birds from one place to another is a very complex phenomenon investigated by researchers for many years. Birds move from one area to other often covering thousands of kilometres, and some species even fly only at night. In order to find the proper direction and their way to specific areas, birds use many cues, which can vary, for example objects that can be seen, smell or the perception of other environmental features. The type of cue depends upon whether the birds have to travel a short distance or if they have to travel to distant locations. The cues for birds, which mi

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31

Sneddon, Duncan Stewart. "Adomnán of Iona's 'Vita Sancti Columbae' : a literary analysis." Thesis, University of Edinburgh, 2018. http://hdl.handle.net/1842/31169.

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Written in c. 700 at the island monastery of Iona, Adomnán’s Vita Sancti Columbae (VSC) is an important source for the study of early medieval Scotland and Ireland. This thesis analyses the text as a literary work, seeking to understand more about its internal logic and the ways in which it relates to other kinds of literary texts. These include Biblical texts, other early insular, continental and late antique hagiographies, vernacular secular sagas, legal texts, scholarly literature and wisdom literature. Adomnán did not necessarily know all of these texts, and some of them post-date him, b

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32

Kiefer, Cladis Loren. "Sensibilidade auditiva de neurônios mesencefálicos em pombos (Columba livia) /." Florianópolis, SC, 1999. http://repositorio.ufsc.br/xmlui/handle/123456789/80952.

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Dissertação (Mestrado) - Universidade Federal de Santa Catarina, Centro de Ciências Biológicas.<br>Made available in DSpace on 2012-10-18T21:16:14Z (GMT). No. of bitstreams: 0Bitstream added on 2016-01-09T03:30:55Z : No. of bitstreams: 1 139919.pdf: 1605161 bytes, checksum: 2bbbff181aaa2030bbe665cf71f23a71 (MD5)

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Oliveira, Silvana Tomazoni de. "Apetite para sódio induzido farmacologicamente em pombos (Columba livia)." Florianópolis, SC, 2003. http://repositorio.ufsc.br/xmlui/handle/123456789/85713.

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Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro de Ciências Biológicas. Programa de Pós-Graduação em Neurociências<br>Made available in DSpace on 2012-10-20T22:03:54Z (GMT). No. of bitstreams: 1 194195.pdf: 276009 bytes, checksum: 5c8536a18a24b4c64487f6fa78c8b793 (MD5)<br>Investigação em pombos adultos (Columba livia), os padrões comportamentais desencadeados pela reapresentação de sal, após a depleção de sódio causada pelo tratamento com Furosemida associado à remoção de sal da gaiola; durante o processo de depleção, ao longo de depleções repetidas e, após injeções int

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34

Souza, Amanda Cristina Braz de. "Adaptação a um novo ambiente em pombos (Columba Livia)." Florianópolis, SC, 2004. http://repositorio.ufsc.br/xmlui/handle/123456789/86970.

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Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro de Ciências Biológicas. Programa de Pós-Graduação em Neurociências.<br>Made available in DSpace on 2012-10-21T12:54:35Z (GMT). No. of bitstreams: 1 205622.pdf: 169933 bytes, checksum: 73d4c02eadb360d7d12cc65e50fc4623 (MD5)<br>Descrição do repertório comportamental de pombos (Columba lívia) submetidos à um novo ambiente. Os efeitos comportamentais da re-exposição ao ambiente experimental (7 e 14 dias depois ou 2 e 4 dias depois), de mudanças ambientais (ruído branco, fechamento das paredes da gaiola) e manipulações potencia

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35

Campanella, Luciane Coutinho de Azevedo. "Controle serotonérgico de comportamentos ingestivos em pombos (Columba Lívia)." reponame:Repositório Institucional da UFSC, 2013. http://repositorio.ufsc.br/handle/123456789/103294.

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Tese (doutorado) - Universidade Federal de Santa Catarina, Centro de Ciências Biológicas, Programa de Pós-Graduação em Neurociências, Florianópolis, 2010<br>Made available in DSpace on 2013-07-16T04:02:37Z (GMT). No. of bitstreams: 0Bitstream added on 2013-07-16T20:38:18Z : No. of bitstreams: 1 279015.pdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5)<br>Estudos realizados em nosso laboratório mostraram que regiões encefálicas estão envolvidas na coordenação de respostas comportamentais e metabólicas em pombos, com envolvimento de receptores de serotonina (5-HT). No entanto, até o

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36

Spudeit, Willian Anderson. "A sequência comportamental de saciedade em pombos (Columba livia)." reponame:Repositório Institucional da UFSC, 2013. https://repositorio.ufsc.br/handle/123456789/107384.

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Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro de Ciências Biológicas, Programa de Pós-Graduação em Neurociências, Florianópolis, 2013.<br>Made available in DSpace on 2013-12-05T23:58:25Z (GMT). No. of bitstreams: 1 320197.pdf: 4207652 bytes, checksum: 5972731c21ace1de32e2bb76e95b97a6 (MD5) Previous issue date: 2013<br>A ingestão de alimentos acarreta uma série de alterações térmicas, metabólicas e comportamentais, que são conservadas filogeneticamente. As alterações comportamentais são compostas por uma sequência de comportamentos: beber, autolimpeza e sono, denom

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37

Yianatos, Juan B. "Column flotation froths." Thesis, McGill University, 1987. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=28385.

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A fundamental study on the behaviour of flotation column froths is presented. Three main aspects were considered: hydrodynamic, cleaning (rejection of hydraulically entrained particles) and selectivity (separation between particles of different hydrophobicity).<br>Column froth hydrodynamics were studied in a two phase (gas-liquid) system. A model to estimate gas holdup from electrical conductivity was developed. Bubble coalescence was evaluated by means of local measurement of gas holdup and bubble size distribution, consequently bubble surface loss along the froth was determined. Mathematical

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38

Branch, L. Nikole. "Stair Column Tower." Thesis, Virginia Tech, 2013. http://hdl.handle.net/10919/23725.

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This set of drawings, paintings, and photographs explores the realms of knowledge and experience in architecture through analytical and perceptual means. In other words, how physical, material considerations inform the experience of moving through space, the perception of space, and the memory of place. These themes and questions are considered through the design of an observation tower that punctuates the ambiguous joint between land and water, earth and sky on the southwestern most point on the Isle of Skye, Scotland, UK.<br>Master of Architecture

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39

Perea, Tiziano. "Analytical and experimental study on slender concrete-filled steel tube columns and beam-columns." Diss., Georgia Institute of Technology, 2010. http://hdl.handle.net/1853/37303.

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The use of composite steel-concrete columns and beam-columns in many structural systems is increasing globally due to the intrinsic synergy when these materials are designed and detailed together properly. However, limited test data are available to justify the structural system response factors and comprehensive design equations in current design specifications. This research, through the testing of 18 full-scale, slender concrete-filled steel tube (CFT) beam-columns, attempts to address the latter need. The circular and rectangular CFT specimens tested for this research are by far the longes

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40

Trezona, James Richard. "Analysis and design of circular reinforced concrete columns and concrete filled steel tube columns /." Title page, contents and abstract only, 1995. http://web4.library.adelaide.edu.au/theses/09ENS/09enst818.pdf.

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41

Al-Shihri, Marai Abdullah 1958. "BUCKLING STRENGTH OF HEAVY STEEL COLUMNS (WELDED SHAPES, INITIAL CURVED COLUMNS, HOT-ROLLED SHAPES)." Thesis, The University of Arizona, 1986. http://hdl.handle.net/10150/291869.

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42

Schaller, Markus. "Numerically Optimized Diabatic Distillation Columns." Doctoral thesis, Universitätsbibliothek Chemnitz, 2007. http://nbn-resolving.de/urn:nbn:de:swb:ch1-200701134.

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Im Gegensatz zur konventionellen adiabatischen Destillation erfolgt bei der diabatischen Destillation Wärmeaustausch nicht nur am Kondensator und Verdampfer, sondern auch innerhalb der Kolonne an den einzelnen Siebböden, was die Entropieproduktion (=Exergieverlust) des Destillationsprozesses stark reduziert. In dieser Arbeit werden Modellsysteme zur diabatischen Destillation von idealen binären Gemischen mittels numerischer Optimierung untersucht. Das Ausgangsmodell beschränkt sich auf die Minimierung der Entropieproduktion verursacht durch Wärme- und Massentransport im Inneren der diabatische

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43

Kim, Dong Keon. "A Database for Composite Columns." Thesis, Georgia Institute of Technology, 2005. http://hdl.handle.net/1853/7126.

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A database of composite column tests was augmented and utilized to evaluate the proposed AISC 2005 provisions. The database consists of column and beam-column steel-concrete columns (or encased, SRC), circular concrete filled tubes (CCFT), and rectangular concrete filled tube (RCFT). Information on material and geometric properties on each specimen was summarized. The database includes 119 SRC columns, 136 SRC beam-columns, 312 circular CFT columns, 198 circular CFT beam-columns, 222 rectangular CFT columns and 194 rectangular CFT beam-columns. The database has a total of 1181 specimens, an a

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44

Xu, Manqiu. "Sparger study in flotation columns." Thesis, McGill University, 1987. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=64062.

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45

Elmahdy, Ghada. "Buckling of built-up columns." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp02/NQ30272.pdf.

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46

Gregg, Jennifer. "Youth gambling in British Columbia." access full-text online access from Digital Dissertation Consortium, 2003. http://libweb.cityu.edu.hk/cgi-bin/er/db/ddcdiss.pl?MR15199.

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Hunaiti, Y. M. "Behaviour of battened composite columns." Thesis, University of Manchester, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.374803.

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Philip, J. "Viscous liquids in bubble columns." Thesis, University of Cambridge, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.235274.

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This dissertation is concerned with studies of highly viscous Newtonian and non-Newtonian liquids in bubble columns with, and without, draft tubes. The importance of the parameters influencing bubble column reactors is discussed with reference to previous work. The shapes and rise velocities of single bubbles in these liquids were studied in an 8.8cm diameter column, and the gas holdup, resulting from continuous bubbling of gas into this column, was also measured. Agreement between holdup predicted by the equation of Nicklin et al (1962), and experimental data in die present work and that of o

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Al-Dunainawi, Yousif Khalaf Yousif. "Intelligent Control for distillation columns." Thesis, Brunel University, 2017. http://bura.brunel.ac.uk/handle/2438/15597.

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Nowadays, industrial processes are having to be rapidly developed to meet high standards regarding increases in the production rate and/or improving product quality. Fulfilling these requirements is having to work in tandem with the pressure to reduce energy consumption due to global environmental regulations. Consequently, most industrial processes critically rely on automatic control, which can provide efficient solutions to meet such challenges and prerequisites. For this thesis, an intelligent system design has been investigated for controlling the distillation process, which is characteri

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Rahimi, Rahbar. "Heat transfer in bubble columns." Thesis, University of Bath, 1988. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.380868.

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