Дисертації з теми "WEAVED"
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Nkrumah, Tara M. "Weaved Journeys: Life Writings of Leading and Engagement in Science Education." Scholar Commons, 2019. https://scholarcommons.usf.edu/etd/7872.
Повний текст джерелаЦимбалюк, Ігор Олександрович. "Кіберфізична система розумної теплиці для автоматизації поливу рослин". Бакалаврська робота, Хмельницький національний університет, 2021. http://elar.khnu.km.ua/jspui/handle/123456789/10351.
Повний текст джерелаKelly, Hilary R. C. "The welfare of early-weaned pigs in different housing systems and the long-term effects of weaner accommodation." Thesis, University of Aberdeen, 1996. http://digitool.abdn.ac.uk/R?func=search-advanced-go&find_code1=WSN&request1=AAIU079006.
Повний текст джерелаJohnson, Willie E. (Willie Earl). "Penelope--the Story Weaver." Thesis, Massachusetts Institute of Technology, 1996. http://hdl.handle.net/1721.1/41380.
Повний текст джерелаIncludes bibliographical references (leaf 116).
by Willie E. Johnson, Jr.
M.Eng.
Burns, Christopher. "Weave : for string trio /." May be available electronically:, 2003. http://proquest.umi.com/login?COPT=REJTPTU1MTUmSU5UPTAmVkVSPTI=&clientId=12498.
Повний текст джерелаPref. includes abstract and performance instructions. "Weave, for string trio, is formed of three solo pieces: Weft for violin solo, Shuttle for viola solo, and Warp for cello solo, each composed using a common structural and metrical grid, so that they may be performed simultaneously"--Leaf iv.
Michaud, Kathryn. "Tisserand de rêve = Dream-weaver /." Thèse, Chicoutimi : Université du Québec à Chicoutimi, 1989. http://theses.uqac.ca.
Повний текст джерелаProgramme de maîtrise en arts plastiques extensionné de l'UQAM à l'UQAC. CaQCU Document électronique également accessible en format PDF. CaQCU
Dass, Barbara. "Generative technique for weave design : application of layer symmetry theories to weave design." Thesis, University of Ulster, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.244477.
Повний текст джерелаWarner, Antonia J. N. "Relative tensile strengths of chainmail weaves." Thesis, Massachusetts Institute of Technology, 2015. http://hdl.handle.net/1721.1/98754.
Повний текст джерелаCataloged from PDF version of thesis.
Includes bibliographical references (page 42).
Chainmail is a type of body armor that has been used throughout ancient and modern times by a variety of people, including medieval fighters and ocean divers. Articles of chainmail are made out of interconnected metal rings - usually steel rings - that are either butted, welded, or riveted together. The primary failure mechanism of a piece is usually the rings being pried apart by a wedge-shaped object, such as the tip of a sword or a shark tooth. The ability of an article of chainmail to resist such failures depends on a variety of variables including the method of closure of the rings, the diameter and gauge of the rings used, and the weave type. The relative strengths of different types of chainmail were investigated by conducting tensile tests on both physical and simulated samples. Eight different ring diameters, four different ring gauges, four different weaves, and three methods of closure of the rings (butting, riveting, and welding) were tested. For both methods of analysis, force-displacement curves were generated for each sample, and the yield forces, maximum forces, and effective elastic moduli extracted from the graphs. Proportional relationships between the physical characteristics of the chainmail and the forces and moduli were obtained graphically through analysis of the experimental data. The yield and maximum forces were determined to vary directly with the number of rings linked to a given ring, with an average error of 10.66 5.67 %. These parameters were also found to vary inversely with the ring diameters, with an average percent error of 14.63 5.61 %. The samples with welded rings were found to yield at a force at least 1.5 times higher than the yield force of the riveted samples and at a force at least 2 times higher than the yield force of the butted samples. The effective elastic moduli decreased with increasing diameter and held relatively constant across the different methods of ring closure. The attempt to scale the forces and moduli with the cross-sectional area of the rings proved inconclusive due to large percent differences between the scaled values. The experimental results were compared to those generated by nonlinear, dynamic SolidWorks simulations. The verification of the simulated results with the experimental results allowed investigation into possible sources of error in the experimentation via simulation. Variations in the orientation of the rings resulted in variations in the yield force up to 33.31%. The yield force was also found to decline as a rate of 100 N for each millimeter of width of the split in the butted rings. Thus, the simulations provided possible explanations for some of the larger percent differences found during the creation of the proportional relationships - including the inconclusive results for scaling with cross-sectional area. Despite the possibilities for error, there exists strong support for the scaling relationships established for weave type and ring diameter due to the low percent errors calculated, as well as the low percent errors between the simulated and experimental values.
by Antonia J.N. Warner.
S.B.
Parker, Dawn Louise. "The Texture of Place." Thesis, Virginia Tech, 2008. http://hdl.handle.net/10919/45442.
Повний текст джерелаMaster of Architecture
Ferguson, Jim. "A weaver in wartime : a biographical study and the letters of Paisley weaver-poet Robert Tannahill (1774-1810)." Thesis, University of Glasgow, 2011. http://theses.gla.ac.uk/2395/.
Повний текст джерелаMarsden, Rurik Miles. "Coloniality in the sociable weaver Philetairus socius." Thesis, University of Sheffield, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.324424.
Повний текст джерелаCemal, Havar. "Reinterpreting traditional weave : Revisiting vernacular architecture." Thesis, KTH, Arkitektur, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-146103.
Повний текст джерелаJag är intresserad av erfarenheter och kunskap som förs vidare från generation till generation, och i en bred mening är detta utgångspunkten för mitt examensarbete. Jag är av kurdisk härkomst, och jag visste tidigt att jag ville göra ett projekt som relaterade till kurdisk tradition. Jag var speciellt fascinerad av kurdisk vävning och hantverk, och hur denna tradition kunde omtolkas arkitektoniskt och användas som en tektonisk komponent. Jag var inte intresserad av att helt enkelt reproducera traditionell arkitektur, utan snarare att använda vissa tekniker och metoder som ett sätt att skapa något nytt. Inom min familj, finns det erfarenhet av vävning. Med sin kunskap, har det hjälpt mig tekniskt men även med frågor som rör den sociala och traditionella. Studien bygger på att utveckla designtekniker and kurdisk vävtekniker och principer. Min designteknik har främst varit inriktad på slit tapestry tekniken, mer känd som kelim, där öppningar skapas när två separat vävda områden väft möts längs intilliggande varptrådar utan att låsas. Med denna teknik, finns det utrymme för spontanitet, vilket har tillåtit mig att använda väv ramen och varpen att utveckla min designteknik. Förutom vävning tradition, är projektet också baserat på den lokala successiva arkitekturen samt islamisk arkitektur när det gäller klimat-och sociala aspekter.
Soden, Julie Alexandra. "3D weave structures for engineering preforms." Thesis, University of Ulster, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.342420.
Повний текст джерелаChang, Soohyun. "Prosthetic space created by material weave." Thesis, Massachusetts Institute of Technology, 2003. http://hdl.handle.net/1721.1/85823.
Повний текст джерелаCataloged from PDF version of thesis.
Includes bibliographical references (unnumbered pages 41-42).
The thesis is based on physical interactivity between a user's physical body and the built environment. The relationship between body and architecture is challenged by the demands and desires for adaptability and interactivity, however material and construction methods of architecture have changed little to address these concerns. By allowing the user to become an instigator and an active controller for organizing space and program. Architectural elements are enabled with flexibility and mutability, in terms of its skin and program, which are activated by the user. The first investigation explores three joints within the body and documents, analyses and transforms these joints into an architectural abstraction. Then the concept of collapsed and interactive skin is applied to a design proposal for the fagade for the Art Interactive Gallery. The fagade engages pedestrians visually as well as physically. The final component of the thesis redefines the program of a fitting room as a physically transformable and socially interactive fagade condition activated by the body's own movements. Throughout the research, the thesis has focused on the process of manipulating materials to create composite skin and structural conditions to further investigate the relationship between the body and architecture.
by Soohyun Chang.
S.B.
Vogelsang-, Eastwood Gillian. "The development and spread of compound weave textiles with particular reference to weft-faced compound weave textil." Thesis, University of Manchester, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.494561.
Повний текст джерелаFranke, Jake Andrew. "Effects of breed type and growing program on performance and carcass characteristics of early weaned calves." Thesis, [College Station, Tex. : Texas A&M University, 2008. http://hdl.handle.net/1969.1/ETD-TAMU-2639.
Повний текст джерелаPierre, Kharyne Shante. "To weave or not to weave: the influence of hair preferences on black females' levels of self-esteem." DigitalCommons@Robert W. Woodruff Library, Atlanta University Center, 2016. http://digitalcommons.auctr.edu/dissertations/2930.
Повний текст джерелаJackson, Wendy M. "Conspecific nest parasitism in the Northern Masked Weaver /." Thesis, Connect to this title online; UW restricted, 1990. http://hdl.handle.net/1773/5183.
Повний текст джерелаWaran, Natalie Kay. "The behaviour and welfare of early-weaned pigs." Thesis, University of Cambridge, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.239165.
Повний текст джерелаBroom, Leon John. "Nutrition and health interactions in the weaned piglet." Thesis, University of Leeds, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.417897.
Повний текст джерелаPolvinen, Elaine M. "Computer generated surface design and structural weave /." Online version of thesis, 1989. http://hdl.handle.net/1850/11524.
Повний текст джерелаWeaver, Shandra Rene. "Discovering self-actualization through the experience of architecture." Thesis, Montana State University, 2010. http://etd.lib.montana.edu/etd/2010/weaver/WeaverS0510.pdf.
Повний текст джерелаcom, julieraff@yahoo, and Julie Raffaele. "Tide Weavers Project." Murdoch University, 2007. http://wwwlib.murdoch.edu.au/adt/browse/view/adt-MU20080915.134542.
Повний текст джерелаRaffaele, Julie. "Tide weavers project." Raffaele, Julie (2007) Tide weavers project. Masters by Research thesis, Murdoch University, 2007. http://researchrepository.murdoch.edu.au/271/.
Повний текст джерелаWallgren, Märta. "BODY - FORM - WEAVE : Investigating objects as alternative weaving looms to challenge traditional form of weave with focus on up-cycling." Thesis, Högskolan i Borås, Akademin för textil, teknik och ekonomi, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:hb:diva-26575.
Повний текст джерелаOwusu-Asiedu, Augustine. "Utilization of peas (Pisum sativum) by early-weaned pigs." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp01/MQ35078.pdf.
Повний текст джерелаHeid, Brent. "Financial feasibility of a 2500 sow weaned pig operation." Thesis, Manhattan, Kan. : Kansas State University, 2008. http://hdl.handle.net/2097/766.
Повний текст джерелаSlade, Richard David. "Nutrition and gut physiology of the newly-weaned piglet." Thesis, University of Leeds, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.405735.
Повний текст джерелаTouchette, Kevin James. "Use of spray-dried plasma in weaned pig diets /." free to MU campus, to others for purchase, 1999. http://wwwlib.umi.com/cr/mo/fullcit?p9964005.
Повний текст джерелаJungkvist, Sophie. "Shifty Weaves : Woven pleats which change upon viewing angle." Thesis, Högskolan i Borås, Akademin för textil, teknik och ekonomi, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:hb:diva-23804.
Повний текст джерелаSikkil, Kaarthik K. "Finite element damage modeling of plain weave fabrics." Morgantown, W. Va. : [West Virginia University Libraries], 2003. http://etd.wvu.edu/templates/showETD.cfm?recnum=3234.
Повний текст джерелаTitle from document title page. Document formatted into pages; contains ix, 101 p. : ill. (some col.). Includes abstract. Includes bibliographical references (p. 83-85).
Kueh, Ahmad Beng Hong. "Thermo-mechanical properties of triaxial weave fabric composites." Thesis, University of Cambridge, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.612022.
Повний текст джерелаVogelsang-Eastwood, G. M. "The development and spread of compound weave textiles with particular reference to weft-faced compound weave textile in wool from Egypt /." Online version, 1988. http://ethos.bl.uk/OrderDetails.do?did=1&uin=uk.bl.ethos.494561.
Повний текст джерелаBaek, Changyeob. "Geometry-driven filamentary structures : elastic gridshells, weaves, clasps, and knots." Thesis, Massachusetts Institute of Technology, 2021. https://hdl.handle.net/1721.1/130841.
Повний текст джерелаCataloged from the official PDF of thesis.
Includes bibliographical references (pages 217-232).
In this thesis, we cover four research topics in the realm of the mechanics of slender structures involving strong geometric constraints: elastic gridshells, triaxial weaves, elastic clasps, and elastic knots. These studies involve a combination of geometric reasoning, high-fidelity numerical simulations, and precision model experiments using scale-invariance and advanced imaging techniques (e.g., 3D laser scanning, and X-ray computed tomography). First, we study the shape and the mechanical response of elastic gridshells, the three-dimensional structure of which results from the out-of-plane buckling of an initially flat and biaxial network of rods. A purely geometric continuum model, originally introduced by Chebyshev for woven fabric, is used to describe the underlying kinematics and form-finding. The results suggest that rod inextensibility, rather than elasticity, is the primary factor that determines the shape of elastic gridshells.
Second, we investigate triaxial weaving, a craft technique used to generate surfaces using tri-directional arrays of initially straight elastic ribbons. Traditional weavers intentionally introduce discrete topological defects, leading to unsmooth surfaces in the overall structure. As an alternative point of departure, we achieve smooth, threedimensional weaved structures by prescribing in-plane curvatures to the flat ribbons. We demonstrate that a continuous range of integrated Gaussian curvatures can be achieved, which is not feasible using straight ribbons. The potential of this novel design scheme is demonstrated with a few canonical target shapes.
Third, we investigate the mechanics of two elastic rods in a crossing contact, whose geometric counterpart is often referred to in the mathematics community as a 'clasp.' We compare our experimental and computational results to a well-established description for ideal clasps of geometrically rigid strings, finding that the latter acts as an underlying 'backbone' for the full elasticity solution. Our findings suggest that the tight contact between rods must be analyzed as a three-dimensional solid, not a one-dimensional rod. We also study a frictional elastic clasp with relative motion between the two rods. Finally, we present preliminary results on the full three-dimensional finite element method simulations of tight elastic knots, as a continuing discussion of tight contact between filaments. Our numerical results reveal significant deviations for the tight knots from existing one-dimensional models for loose overhand knots.
Our findings corroborate the three-dimensional nature of the tight contact that we demonstrated during the investigation of the elastic clasp.
by Changyeob Baek.
Ph. D.
Ph.D. Massachusetts Institute of Technology, Department of Mechanical Engineering
Covas-Monteiro, Rita. "Life-history evolution and cooperative breeding in the sociable weaver." Doctoral thesis, University of Cape Town, 2002. http://hdl.handle.net/11427/6944.
Повний текст джерелаWhen compared to northern temperate counterparts, birds in the tropics and Southern Hemisphere regions, are characterised by low fecundity, long developmental periods and high Survival. This pattern has been attributed to hypotheses relating to food limitation, nest predation, and reduced seasonality leading to high adult survival. Still, to date few studies have investigated this issue. In particular, detailed studies from southern regions are scarce and as a result our understanding of this question remains weak. Another characteristic of 'southern' birds is a higher frequency of cooperatively-breeding species. It has previously been shown that cooperative breeding is most frequent amongst species with high survival and low fecundity. An explanation for this could be that long occupancy of territories by long-lived breeders leads to reduced opportunities of independent breeding by young birds. However, the biology of some species is such, that they do not experience shortage of breeding territories or other constraints, while still showing delayed dispersal and cooperative breeding. This study investigates what factors drive life-history evolution in a cooperatively breeding southern African passerine, the sociable weaver Philetairus socius. This species departs from the traditional cooperative breeding model in being a non-territorial colonial nester that inhabits an unpredictable semi-arid environment. Sociable weavers face no obvious constraints on independent reproduction, yet cooperative breeding is common. Therefore, I also aimed at determining what factors prompt delayed reproduction in this species, since this life history trait is the first step leading to cooperative breeding.
Arriola, Apelo Sebastian I. "Influence of forage characteristics on grazing behavior of weaned steers." Thesis, Virginia Tech, 2009. http://hdl.handle.net/10919/33311.
Повний текст джерелаMaster of Science
Kleicke, Roland, Adil Mountasir, Chokri Cherif, Gerald Hoffmann, and Christian Franz. "Thermoplastic fiber-reinforced composites based on noncrimped and multilayered weaves." Sage, 2014. https://tud.qucosa.de/id/qucosa%3A35637.
Повний текст джерелаMalbeuf, Amy. "Apihkêw (s/he braids, s/he weaves, s/he knits)." Thesis, University of British Columbia, 2016. http://hdl.handle.net/2429/58310.
Повний текст джерелаCreative and Critical Studies, Faculty of (Okanagan)
Graduate
Rau, Anna Katharina. "Cryptosporidiosis in pre-weaned calves : observations in Germany and Portugal." Master's thesis, Universidade Técnica de Lisboa. Faculdade de Medicina Veterinária, 2012. http://hdl.handle.net/10400.5/4010.
Повний текст джерелаA criptosporidiose é uma das mais importantes causas de diarreia neonatal bovina, sendo uma potencial ameaça à produção e uma importante causa de prejuízos económicos. Vitelos recém-nascidos e até ao desmame são especialmente susceptíveis à infecção e desenvolvimento de sinais clínicos pelo parasita protozoário Cryptosporidium parvum, já que nascem quase completamente desprovidos de mecanismos de imunidade naturais. Este parasita é considerado existente mundialmente, ubiquitário, sem especificidade ao hospedeiro e oportunista. Os efeitos da infecção, nomeadamente a diarreia, desidratação e desequilibrios electrolíticos, juntamente com acidose metabólica, enfraquecem os animais e podem originar elevados níveis de morbilidade e mortalidade moderada, especialmente quando associado a outros agentes. Actualmente não é conhecido nenhum tratamento específico completamente eficaz no combate à criptosporidiose bovina. O tratamento baseia-se na terapia de suporte por meio de fluidoterapia oral e endovenosa. Medidas preventivas assentes em melhorias de higiene e administração correcta de colostro são consideradas as mais importantes. O potencial zoonótico do parasita, especialmente em indivíduos imuno-deprimidos, levanta preocupações de saúde pública. No presente trabalho, foram elaborados 2 estudos clínicos, tentando confirmar a existência, prevalência e sinais clínicos de criptosporidiose em regiões na Alemanha e em Portugal. Na Universidade Justus-Liebig em Giessen, Alemanha, 35 vitelos foram examinados tendo em conta os seus sinais clínicos. Vinte e dois dos animais examinados demonstraram sinais de diarreia e, entre estes, 36% excretavam oocistos. Seguiu-se um exame mais detalhado dos animais infectados, incluindo o estudo dos sinais clínicos e dos valores laboratoriais. Os sinais clínicos e laboratoriais detectados confirmaram os esperados (característicos da criptosporidiose), incluindo diarreia fluida, desidratação, fraqueza e hipotermia; acidose metabólica, aumento dos níveis de lactato e hiponatremia. Todos os vitelos recuperaram após fluidoterapia, controlo da acidose e antibioterapia. Lactato de halofuginona foi administrado em alguns animais mas não demonstrou efeitos evidentes. Em Portugal, 30 vitelos foram examinados numa exploração de engorda na área do Ribatejo, considerando os seus sinais clínicos e a presença de oocistos após análise pela técnica de Ziehl-Neelsen modificada. A prevalência foi elevada (43%). Os sinais clínicos variaram e a excreção de oocistos nem sempre estava acompanhada de diarreia (portadores assintomáticos). A evolução de quinze vitelos re-examinados variou, evidenciando por um lado a existência do carácter autolimitante (3 vitelos melhoraram) e por outro um possível aumento da mortalidade (2 vitelos morreram) associados à doença.
ABSTRACT - Cryptosporidiosis in pre-weaned calves – Observations in Germany and Portugal - Cryptosporidiosis is one of the most important causes of bovine neonatal diarrhea, being considered an important threat to bovine production and a cause of economical losses. Pre-weaned, neonatal calves are particularly prone to the infection and development of clinical signs due to the protozoan parasite Cryptosporidium parvum, as they are born almost completely deprived of natural immunity. This parasite is a worldwide existing, ubiquitous, non host specific and opportunistic agent of diarrhea. Dehydration and electrolyte imbalances, coupled with metabolic acidosis, weaken the animals and may cause high morbidity rates and moderate mortality, especially when occurring in combination with other infectious agents. No completely effective specific treatment for calf cryptosporidiosis is known to this date. Treatment is mainly based on supportive care by oral and intravenous fluid therapy. Prevention by hygiene measures, correct colostral administration and management seem to be most important. Public health concerns arise due to its zoonotic potential, especially in immune compromised individuals. In the present dissertation, two case studies were developed, trying to confirm the existence, prevalence and clinical signs of cryptosporidiosis in Germany and Portugal. In the Clinics for Obstetrics, Gynecology and Andrology with veterinary ambulance from the Justus Liebig University Giessen, Germany, 35 calves were examined for their clinical signs. 22 of the examined calves showed diarrhea and of these, 36% were positively excreting oocysts. A more detailed examination of the infected calves was performed and clinical signs and laboratory values studied. Detected clinical and laboratory signs could be confirmed by the expected (characteristic signs of cryptosporidiosis), including watery to thin mushy diarrhea, dehydration, weakness and hypothermia; metabolic acidosis, increased levels of lactate and hypernatremia. All calves recovered after alkalinizing fluid therapy and antibiotherapy. Halofuginone lactate was administered to some animals but it was not clear if it caused a major improvement in the recovery. In Portugal, 30 calves were examined in a fattening unit in the Ribatejo area concerning their clinical signs and presence of oocysts after modified Ziehl-Neelsen technique. Prevalence was high with 43% of animals showing oocysts in the faeces. Clinical signs varied and excretion was not always accompanied by diarrhea (assympthomatic carriers). Fifteen of the examined calves were reexamined one month later. Results varied greatly, evidencing on one hand the self-limiting character of the disease (3 calves improved) and, on the other hand, the possible connection of the disease to an increased mortality (2 calves died).
Moore, John Noell. "Tracing the weave : reading and interpreting young adult fiction /." Diss., This resource online, 1995. http://scholar.lib.vt.edu/theses/available/etd-02022007-133645/.
Повний текст джерелаWeaver, Shandra Rene. "Discovering self-actualization through the experience of architecture." Thesis, Montana State University, 2009. http://etd.lib.montana.edu/etd/year/2009/weaver/WeaverS1209.pdf.
Повний текст джерелаSharkas, M. Y. "The initial load-extension of 2/2 twill woven fabrics." Thesis, University of Leeds, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.379562.
Повний текст джерелаBaldino, Jenna Michelle. "Alexandria Textile Factory." Thesis, Virginia Tech, 2008. http://hdl.handle.net/10919/33233.
Повний текст джерелаMaster of Architecture
Howcroft, Rachel. "Weaned Upon A Time : Studies of the Infant Diet in Prehistory." Doctoral thesis, Stockholms universitet, Institutionen för arkeologi och antikens kultur, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-88237.
Повний текст джерелаAt the time of doctoral defense the following papers were unpublished and had a status as follows: Paper 1: Manuscript; Paper 4: Accepted; Paper 5: Forthcoming 2014
Lactase Persistence and the early Cultural History of Europe (LeCHE)
Gardner, Jennifer M. "Investigations into the causation of belly-nosing in early-weaned piglets." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape2/PQDD_0019/MQ55675.pdf.
Повний текст джерелаHolt, Courtney R. Folkerts Debbie R. "A floristic study of Weaver Creek Wetland, Santa Rosa County, Florida." Auburn, Ala, 2008. http://repo.lib.auburn.edu/EtdRoot/2008/SPRING/Biological_Sciences/Thesis/Holt_Courtney_38.pdf.
Повний текст джерелаMAREY-SEMPER, ISABEL. "Analyse moleculaire et cellulaire de la mutation weaver de la souris." Paris 6, 1995. http://www.theses.fr/1995PA066386.
Повний текст джерелаRat, Margaux Emilie Therese. "Dominance, social organisation and cooperation in the sociable weaver (Philetairus socius)." Doctoral thesis, University of Cape Town, 2015. http://hdl.handle.net/11427/16714.
Повний текст джерелаSociality and cooperation are universal features of life, yet cooperative societies are highly vulnerable to conflicts-of-interests which may lead to societal collapse. Dominance may function as a central mechanism behind the maintenance of cooperative societies, because it may reduce conflict by the establishment of hierarchies, and may act in concert with kin selection, enforcement or signalling mechanisms to promote cooperation. Yet, the significance of dominance in the evolutionary routes that maintain cooperation remains poorly understood (Chapter 1). Sociable weavers Philetairus socius are highly social, cooperative passerines. The species is particularly prone to conflicts because of their year-round coloniality and thus year round sharing of resources. Using extensive field-data on individual behaviour, I examine in this thesis whether dominance may mitigate conflict and maintain cooperation, and how it may inform our understanding of the evolutionary mechanisms underlying cooperation. In Chapter2, I investigate whether hierarchies and phenotypic traits allowing the assessment of social status may have evolved to mediate conflicts. I show that weavers establish ordered hierarchies within colonies and that the size of a melanin-based plumage trait, the black bib, is correlated to social status. In Chapter 3, experimental manipulation supports my proposition of a status signalling function of the bib. In Chapter 4, I investigate the benefits of achieving high social status and whether these are shared with relatives through nepotism. Both dominants and their offspring gain enhanced access to resources. Dominants had more access to breeding positions, although this was not reflected by increased reproductive success. In Chapter 5, I explore how dominance and kinship predict individual cooperativeness to three tasks, nestling provisioning, nest construction and predator mobbing. I find that both explain variation in cooperativeness, yet some results follow opposite directions, revealing multiple routes to cooperation. Finally, in Chapter 6, I examine how dominance and kinship structure weavers' social network and whether network position are linked to cooperativeness. Social network analyses reveal that more central birds are more, related, dominant and cooperative. Chapter 7 concludes that dominance acts in concert with kinship to promote the societal lifestyle of sociable weavers highlighting the potential significance of dominance in the evolution of cooperation.
Huffard, Haley Garrett. "Sources of Variation in the Microbiome of Pre-Weaned Dairy Calves." Thesis, Virginia Tech, 2019. http://hdl.handle.net/10919/93957.
Повний текст джерелаMaster of Science in Life Sciences
This study investigated the microbial colonization and maternal influences on the neonatal calf gut microbiome. Microbiome samples were collected from dams (n = 6) and calves (n = 6) using sterile flocked swabs. The vaginal, oral, and fecal bacterial communities were examined from the dam and the fecal community of calves was examined from birth to 60 d of age. Microbial communities varied by anatomical location and age of the calf. Metagenomic analysis 16s ribosomal DNA revealed ten phyla associated with microbiomes of the dam and the same ten phyla associated with calf feces at various time points: Bacteroidetes, Firmicutes, Proteobacteria, Actinobacteria, Cyanobacteria, Verrucomicrobia, Spirochaetes, Tenericutes, Fibrobacteres, and Lentisphaerae. Overall, the calf meconium and fecal microbiome is influenced by a combination of the maternal vagina, oral, and fecal microbiomes. Further studies will be needed to identify the transference mechanisms of maternal microbes to offspring and the associated host-microbial interactions.
Szabo, Bobbie. "Love is a Cunning Weaver: Myths, Sexuality, and the Modern World." Kent State University Honors College / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=ksuhonors1493247491671522.
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