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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
531

Relationship between morphology, crystallization behavior and mechanical properties of polypropylene micro- and nanocomposites /

Zhang, Yan. January 2004 (has links)
Thesis (M.Phil.)--Hong Kong University of Science and Technology, 2004. / Includes bibliographical references. Also available in electronic version.
532

Functional morphology of the forelimb in Victoriapithecus and its implications for phylogeny within the Catarrhini /

Blue, Kathleen Teresa Brundrett. January 2002 (has links)
Thesis (Ph. D.)--University of Chicago, Department of Anthropology, December 2002. / Includes bibliographical references. Also available on the Internet.
533

Evaluating riparian health assessment methods for perennial streams in Montana

Miller, Travis John. January 2005 (has links) (PDF)
Thesis (M.S.)--Montana State University--Bozeman, 2005. / Typescript. Chairperson, Graduate Committee: Clayton B. Marlow. Includes bibliographical references (leaves 34-39).
534

Factors influencing spore and cell size in Dictyostelium discoideum

Weber, Allen Thomas, January 1967 (has links)
Thesis (M.S.)--University of Wisconsin--Madison, 1967. / eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references.
535

The cytology and morphology of Sordaria fimicola Ces. and De Not

Pieh, Addie Emma. Unknown Date (has links)
Thesis (Ph. D.)--University of Wisconsin--Madison, 1928. / Author's name is Pieh ; appears as Piehl on t.p. eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references.
536

Variations in cytology and gases morphology of Taraxacum ...

Sears, Paul B. January 1900 (has links)
Thesis (Ph. D.)--University of Chicago, 1922. / "Private edition, distributed by the University of Chicago libraries, Chicago, Illinois." Contributions from the Hull botanical laboratory 293 and 295. "Reprinted from the Botanical gazette, vol. LXXIII, nos. 4 and 6, April and June, 1922." "Literature cited": p. 323-324, 446. Also available on the Internet.
537

Estrutura, ultraestrutura e histoquímica do aparelho digestório do Prochilodus lineatus. Análise da diversidade da microbiota intestinal de Prochilodus lineatus e Pterygoplichthys anisitsi

Makino, Lilian Cristina [UNESP] 15 January 2010 (has links) (PDF)
Made available in DSpace on 2014-06-11T19:30:30Z (GMT). No. of bitstreams: 0 Previous issue date: 2010-01-15Bitstream added on 2014-06-13T20:40:29Z : No. of bitstreams: 1 makino_lc_dr_jabo.pdf: 1684591 bytes, checksum: c96f97cc47fc21cfbeedc2d7d920bac2 (MD5) / Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES) / Universidade Estadual Paulista (UNESP) / O presente trabalho teve por objetivo descrever o aparelho digestório sob os pontos de vista estrutural, ultraestrutural e histoquímico de uma espécie de peixe de água doce: o curimba (Prochilodus lineatus) (Characidae, Prochilodontidae). Adicionalmente foi realizado um estudo da diversidade da microbiota intestinal do Prochilodus lineatus e do cascudo cinza (Pterygoplichthys anisitsi). Para os estudos morfológicos de anatomia, histologia, histoquímica e de microscopia eletrônica de varredura, foram utilizados 40 curimbas adultos. Para os estudos microbiológicos, além dos curimbas, foram coletados também exemplares adultos de cascudo cinza, no qual além dos métodos de cultura e análise tradicionais, que incluíram cultivos em meios aeróbios e anaeróbios facultativos, contagem de colônias e estudo da morfologia das mesmas pelo método de Gram, também englobou técnicas de observação da microbiota em microscopia eletrônica de varredura. Os dados numéricos obtidos tanto nos trabalhos morfológicos descritivos quanto nos microbiológicos foram submetidos à análise estatística pelo programa SAS versão 9.0. O trato digestório do curimba foi dividido em intestino cefálico, intestino anterior, intestino médio e intestino posterior, os quais foram constituídos histologicamente pelas camadas mucosa, submucosa, muscular e serosa. Células caliciformes foram observadas em toda a extensão do tubo intestinal. Ao longo do tubo digestivo detectou-se a presença de mucinas neutras, ácidas ou ambas. A vesícula biliar mostrou-se como um órgão sacular alongado, oco, de fundo cego e com paredes delgadas. O fígado apresentou-se trilobado e de consistência maciça, com coloração vermelho-acastanhado, com os hepatócitos organizados em placas duplas circundadas por sinusóides. Na contagem de bactérias intestinais totais foram encontrados valores que variaram... / The aim of this study was to describe the digestive tract of species of neotropical freshwater fish, the curimba (Prochilodus lineatus) (Characidae, Prochilodontidae) under the structural, ultrastructural and histochemical aspects. Additionally a research was made about the diversity of the intestinal microflora of Prochilodus lineatus and the gray armored catfish (Pterygoplichthys anisitsi). For morphological studies, which were subdivided into gross anatomy, histology, and histochemistry and also in scanning electron microscopy were used 40 fish. For microbiological researches, were used adult specimens of the gray armored catfish, where besides of traditional methods of culture and analysis that included culture in aerobic and facultative anaerobic conditions, counting of colonies and the study of colonies morphology by Gram and also to observation of gut microbiota by scanning electron microscopy were sampled 20 fish of each species, totaling 40 animals. The numerical data obtained in the descriptive morphological researches and in the microbiological studies were analyzed by statistical software SAS, version 9.0. The digestive tract of curimba was divided into cephalic gut, foregut, midgut and hindgut, which were made histologically by the following layers: mucosal, submucosal, muscular and serosa. Goblet cells were observed throughout the length of the intestinal tube. Neutral mucins and acid or both were detected along the digestive tract. The gallbladder was an elongated saccular body, hollow, blind background and with thin walls. The liver was trilobed and compacted red-brown mass, with hepatocytes arranged in double plates surrounded by sinusoids. The count of the total intestinal bacteria showed values that ranged between 103 e 104 cfu.mL-1 (colonyforming units). The morphotypes of gram positive microorganisms found most frequently were coccoid-shaped and rod-shaped bacteria... (Complete abstract click electronic access below)
538

Phonology and morphology of modern Sinhala

Parawahera, Nimal Pannakitti 18 June 2018 (has links)
This dissertation organizes the Modern Sinhala lexicon within the framework proposed by Lieber in The Organization of The Lexicon, 1981. Following Lieber, Sinhala verb, noun and affix morphemes are analysed descriptively and their lexical processes, both derivational and compounding, are examined within the theoretical parameters of that work. This dissertation argues that tense marking in verb morphology and number in noun morphology (which also includes definite and indefinite marking) are best accounted for as derivational processes in contrast to the traditionally accepted inflectional processes. It is claimed that in noun and verb categories, allomorphy is a factor in the underlying representation of the lexicon. On the other hand, allomorphy in noun number marking affixes is due to a morphological rule sensitive to class membership of nouns. Going beyond The Organization of The Lexicon which is limited to morphological rules, this study includes phonological rules operating in the lexicon. Finally, in accord with the results of this dissertation two suggestions are made: First, it is essential that a complete study of Modern Sinhala phonology include an extensive investigation of the syllable structure; Second, the concept of level ordering in the lexicon should be utilized to account for the hierarchical distribution of affixes. Support for the first suggestion rests on the morpholexical rules, while the second rests on the hierarchical distribution of affixes described by subcategorization and X-bar indexing in this study. / Graduate
539

[en] HOT DOGS ON WOOD-BURNING STOVES: INNOVATIONS AFTECTING LIFESTYLES AND TASTES IN RIO DE JANEIRO / [pt] HOT-DOG NO FOGÃO A LENHA: INOVAÇÕES TRANSFORMANDO O GOSTO CARIOCA

LUCIANA MONTENEGRO DA SILVA PEREIRA 04 July 2002 (has links)
[pt] Esta dissertação analisa algumas transformações morfológicas em equipamentos de cozinha, referentes à conservação e preparo de alimentos, nas moradias da classe média carioca, entre as décadas de 30 e 60. Para realizar esta análise, a autora considera o contexto social, econômico, político e cultural e verifica suas influências na transformação da forma. Através de uma perspectiva histórica, pontua os fatos mais relevantes na formação do corpo social brasileiro da época,destacando a sociedade urbana do Rio de Janeiro, assim como as transformações sofridas por essa sociedade. Focaliza as dimensões culturais, dando maior destaque à cultura material. Observa as influências internacionais e as conseqüências dessas influências na configuração dos equipamentos fabricados no Brasil. Através de anúncios publicitários da época, fotografias, manuais de utilização e da descrição realizada por alguns teóricos, a autora verifica e interpreta as transformações, e as relaciona com o contexto em que se realizaram. / [en] This dissertation analyses some morphologicaltransformations in kitchen equipment which was used for conserving and preparing food in middle class homes in Rio de Ja-neiro between the decades of the 1930 s and 60 s. To do this analysis, the author considered the social, economic, political and cultural con-texts and verified these influences on the types of transformations ob-served. From a historical perspec-tive, the most relevant factors con-tributing to the makeup of Brazilian society at the time are pointed out, with emphasis on urban society in Rio de Janeiro and the changes this group underwent. The focus is on cultural factors, mostly emphasizing the culture of material items. Inter-national influences and their conse-quences on the characteristics of equipment produced in Brazil are observed. By way of advertisement from the time, photographs, user manuals and the descriptions made by some theoriticians, the author verifies and interprets the transfor-mations and their relationship to the context in which they were made.
540

Análise do desenvolvimento embrionário de espécimes provenientes dos cruzamentos interespecíficos entre Pseudoplatystoma corruscans e leiarius marmoratus /

Almeida, Isângela Rodrigues de Oliveira. January 2011 (has links)
Resumo: Este projeto de pesquisa teve como objetivo analisar o desenvolvimento de embriões provenientes dos cruzamentos interespecíficos entre as espécies de teleósteos neotropicais, pintado (Pseudoplatystoma corruscans) e jandiá (Leiarius marmoratus). As coletas foram realizadas no Centro Nacional de Pesquisa e Conservação de Peixes Continentais - CEPTA/ICMBIO, Pirassununga - SP e na Piscicultura Muriti, Nova Mutum - MT. A reprodução foi feita através de indução hormonal, utilizando extrato bruto de hipófises de carpa. Os ovos foram incubados em incubadoras verticais e coletados desde o momento da fertilização até a eclosão das larvas. Os ovos dos parentais P. corruscans e L marmoratus e seus híbridos, são esféricos, demersais, córion nítido e espaço perivitelínico pequeno após a hidratação, não sendo observada a presença de gota de óleo na vesícula vitelínica durante todo o desenvolvimento embrionário. A média do espaço perivitelínico do L. marmoratus foi de 215,9μm, do P. corruscans foi de 352,5μm, do híbrido I foi de 561μm e do híbrido II foi de 247,2μm. O diâmetro médio do ovo do L. marmoratus foi de 589,6μm, do P. corruscans foi de 867,3μm, do híbrido I foi de 765,3μm e do híbrido II foi de 581μm. O período de incubação do P. corruscans e do híbrido I foi de 13 horas, à temperatura média de 28,7°C respectivamente. Já para o L. marmoratus e do híbrido II foi de 14 horas para o parental e 12 horas para o híbrido, a uma temperatura média de 28,3°C. Sendo estabelecidos os seguintes estágios embrionários: zigoto, clivagem, gástrula, organogênese e eclosão e estes divididos em fases. O estágio de clivagem foi dividido nas fases de 2, 4, 8, 16, 32, 64 células e na fase de mórula. O estágio de gástrula apresentou as fases de 25%, 50%, 75%, 90% e 100% do movimento morfogenético de epibolia e o estágio de organogênese... (Resumo completo, clicar acesso eletrônico abaixo) / Abstract: The main of this research project was analyze the embryos development from the inter-specific crossing between the neotropical teleostei species, pintado (Pseudoplatystoma corruscans) e jandiá (Leiarius marmoratus). The samples were realized in the National Research and Conservation Nucleus of Continental Fishes - CEPTA/ICMBIO, Pirassununga - SP in the Buriti Fish Farming, Nova Mutum - MT. The reproduction was made through the hormonal induction, using gross extract of pituitary from carpa. The eggs were incubated in vertical incubators and collected since the fertilization time until the larval hatching. The eggs of the parents P. corruscans e L. marmoratus and their hybrids, are spherical, demersal, distinct chorion and small perivitelline space after the hydration without observation of the presence of drop oil in the vitelline vesicle during all embryonic development. The mean of the perivitelline space of the L. marmoratus was 215,9μm, in the P. corruscans was 352,5μm, in the hybrid I was 589,6μm and 247,2μm in the hybrid II. The mean diameter of the egg in L. marmoratus was 589,6μm, in P. corruscans was 867,3μm, in the híbrido I was 765,3μm and 581μm in the hybrid II. The incubation period of P. corruscans and the híbrido I was 13 hours , in the mean temperature of 28,7°C. However in L. marmoratus and Hybrid II was 14 hours for the parental and 12 hours for the hybrid in the mean temperature of 28,3°C. It was established the following embryonic stages: zygote, cleavage, gastrula, organogenesis and hatching and this divided in phases. The cleavage stage was divided in the phases 2, 4, 8, 16, 32, 64 cells and in the morula phase. The gastrula stage showed the phases 25%, 50%, 75%, 90% and 100% of morphogenetic movements of epiboly and the organogenesis stage was divided in the neurula, segmentation and larval phases... (Complete abstract click electronic access below) / Orientador: Fábio Porto Foresti / Coorientador: Alexandre Ninhaus Silveira / Banca: José Augusto Senhorini / Banca: Rosicleire Verissimo Silveira / Mestre

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