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Dissertations / Theses on the topic 'Lentic environment'

Author: Grafiati
Published: 4 June 2021
Last updated: 4 February 2022

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1

Christofoletti, Cintya Aparecida. "Avaliação dos potenciais citotóxico, genotóxico e mutagênico das águas de um ambiente lêntico, por meio dos sistemas-teste de Allium cepa e Oreochromis niloticus /." Rio Claro : [s.n.], 2008. http://hdl.handle.net/11449/87679.

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Orientador: Carmem Silvia Fontanetti Christofoletti<br>Banca: Maria Aparecida Marin Morales<br>Banca: Silvia Tamie Matsumoto<br>Resumo: A degradação dos recursos hídricos, como os ambientes lênticos, dentre eles, os lagos, é uma das maiores preocupações atualmente, visto que esta pode causar danos diretos ou indiretos à saúde e à sobrevivência dos organismos expostos. Um dos fatores que contribui para a alteração da qualidade das águas de ambientes lênticos é o despejo de efluentes, principalmente àqueles de origem doméstica, portadores de substâncias que chegam a ser tóxicas para o meio aquát
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2

Christofoletti, Cintya Aparecida [UNESP]. "Avaliação dos potenciais citotóxico, genotóxico e mutagênico das águas de um ambiente lêntico, por meio dos sistemas-teste de Allium cepa e Oreochromis niloticus." Universidade Estadual Paulista (UNESP), 2008. http://hdl.handle.net/11449/87679.

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Made available in DSpace on 2014-06-11T19:22:58Z (GMT). No. of bitstreams: 0 Previous issue date: 2008-08-04Bitstream added on 2014-06-13T20:49:39Z : No. of bitstreams: 1 christofoletti_ca_me_rcla.pdf: 3763933 bytes, checksum: d9284f200972936e72e67bb3de745be4 (MD5)<br>Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)<br>A degradação dos recursos hídricos, como os ambientes lênticos, dentre eles, os lagos, é uma das maiores preocupações atualmente, visto que esta pode causar danos diretos ou indiretos à saúde e à sobrevivência dos organismos expostos. Um dos fatores que con
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3

FIGUEIRÊDO, Adriana de Carvalho. "Avaliação e diagnóstico da qualidade da água do Açude de Apipucos, Recife-PE." Universidade Federal Rural de Pernambuco, 2008. http://www.tede2.ufrpe.br:8080/tede2/handle/tede2/5550.

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Submitted by (lucia.rodrigues@ufrpe.br) on 2016-09-19T12:13:00Z No. of bitstreams: 1 Adriana de Carvalho Figueiredo.pdf: 3742546 bytes, checksum: a66487121db91a5bb05bdc8b51a3db2a (MD5)<br>Made available in DSpace on 2016-09-19T12:13:00Z (GMT). No. of bitstreams: 1 Adriana de Carvalho Figueiredo.pdf: 3742546 bytes, checksum: a66487121db91a5bb05bdc8b51a3db2a (MD5) Previous issue date: 2008-04-30<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior - CAPES<br>This study aimed to evaluate the environmental quality of the Apipucos dam in Recife-PE, through diagnosis of water quality u
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4

JR, MARCOS AURELIO PINTO MARZANO. "ROBOTIC SYSTEM FOR MONITORING WATER QUALITY IN LENTIC ENVIRONMENTS." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2016. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=36947@1.

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PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO<br>CONSELHO NACIONAL DE DESENVOLVIMENTO CIENTÍFICO E TECNOLÓGICO<br>Nas últimas décadas, a crescente conscientização ambiental levou ao reconhecimento da necessidade do uso responsável dos recursos hídricos. Para garantir isso, a boa gestão de reservatórios hídricos requer um monitoramento ambiental adequado, com medições confiáveis dos parâmetros de qualidade da água em vários pontos do reservatório, permitindo o controle da qualidade da água e seus impactos na fauna, flora e comunidades ribeirinhas dos reservatórios. O monitoramento das vari
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5

Velludo, Marcela Roquetti. "Ecologia trófica da comunidade de peixes do reservatório de Cachoeira Dourada, rio Paranaíba, Bacia do Alto Rio Paraná, Brasil." Universidade Federal de São Carlos, 2011. https://repositorio.ufscar.br/handle/ufscar/1803.

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Made available in DSpace on 2016-06-02T19:29:57Z (GMT). No. of bitstreams: 1 5321.pdf: 1686054 bytes, checksum: 8981c0335246dc3aa2d6f05304ecfbbc (MD5) Previous issue date: 2011-06-28<br>Universidade Federal de Sao Carlos<br>The knowledge of the fish s diet and species abundance of a particular community allows us to identify the community s different trophic categories, as well as to infer about its structure. This knowledge may also permit to evaluate the degree of importance of trophic levels and to understand the interrelationships among the components of that community. In order to gener
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6

Ruhl, Nathan A. "The Lotic-Lentic Gradient in Reservoirs and Estuaries." Ohio University / OhioLINK, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1339177201.

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7

Adhikari, Eliina. "Genetic and Environmental Variation on Mineral Nutrient Concentration in Pea and Lentil Seed." Thesis, North Dakota State University, 2015. https://hdl.handle.net/10365/27255.

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Current food supply is expected to be insufficient to support the growing population both in quantity and nutritional quality; therefore, the need to breed for higher yield and greater nutritional quality is urgent. Twenty-five dry pea genotypes, 25 Turkish red lentil and 23 green lentil genotypes were tested across different locations of North Dakota to quantify the nutrient concentration and to characterize the genotype and the environmental factors affecting nutrient concentration. Significant genotypic, environmental and genotype-by-environment interaction was present for Ca, Cu, Fe, K, Mg
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8

Sandy, Alexis Emily. "Environmental and Digital Data Analysis of the National Wetlands Inventory (NWI) Landscape Position Classification System." Thesis, Virginia Tech, 2006. http://hdl.handle.net/10919/33572.

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The National Wetlands Inventory (NWI) is the definitive source for wetland resources in the United States. The NWI production unit in Hadley, MA has begun to upgrade their digital map database, integrating descriptors for assessment of wetland functions. Updating is conducted manually and some automation is needed to increase production and efficiency. This study assigned landscape position descriptor codes to NWI wetland polygons and correlated polygon environmental properties with public domain terrain, soils, hydrology, and vegetation data within the Coastal Plain of Virginia. Environment
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9

Chaveiro, Vitor Bernardino Gonçalves. "Tratamento e recirculação de água por osmose inversa em processos de fabricação de lentes oftálmicas. Beneficios ambientais e financeiros." Master's thesis, ISA/UTL, 2012. http://hdl.handle.net/10400.5/5274.

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Mestrado em Engenharia do Ambiente - Instituto Superior de Agronomia<br>Due to increased environmental awareness and water costs, industries have increase the need to optimize the use of water by selecting production processes more efficient, with lower water consumption or through a treatment and recirculation of water. This study comes from the Essilor Portugal need to reduce the environmental impact and costs of a water consumption of the main processes for producing ophthalmic lenses, but also the need to improve the quality of the water process due the quality requirements. One of t
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10

Silva, Marcelo Jacomini Moreira da. "Uso da filtração lenta e tecnicas de desinfecção para adequação de esgotos sanitarios aos padrões de lançamento e reuso." [s.n.], 2006. http://repositorio.unicamp.br/jspui/handle/REPOSIP/257796.

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Orientador: Jose Euclides Stipp Paterniani<br>Tese (doutorado) - Universidade Estadual de Campinas, Faculdade de Engenharia Civil, Arquitetura e Urbanismo<br>Made available in DSpace on 2018-08-09T17:15:08Z (GMT). No. of bitstreams: 1 Silva_MarceloJacominiMoreirada_D.pdf: 4911036 bytes, checksum: 621ab01f5e1f061dd69cb5599e64882b (MD5) Previous issue date: 2006<br>Resumo: presente trabalho estudou a melhoria da qualidade de esgoto sanitário tratado com a utilização de pré-filtração em pedregulho, filtração lenta com e sem carvão ativado, cloração, radiação ultravioleta (UV) e radiação solar
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11

Radiguet, Mathilde. "Etude des séismes lents et du chargement intersismique dans la région de Guerrero au Mexique." Phd thesis, Université de Grenoble, 2011. http://tel.archives-ouvertes.fr/tel-00658355.

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Les observations récentes ont mis en évidence la diversité des régimes de glissement des failles, et particulièrement l'existence de glissements asismiques transitoires, les séismes lents. Ce travail a pour objectif la compréhension de l'impact de ces séismes lents sur le cycle sismique. La zone étudiée correspond à la zone de subduction du sud du Mexique, au niveau de la lacune sismique de Guerrero. A partir de mesures de déplacement de surface, principalement par GPS, le glissement sur l'interface de subduction est modélisé par des dislocations dans un milieu élastique. Cette analyse nous pe
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12

Marcaillou, Clément. "Serpentinisation et production d'hydrogène en contexte de dorsale lente : approche expérimentale et numérique." Phd thesis, Université de Grenoble, 2011. http://tel.archives-ouvertes.fr/tel-00676948.

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L'altération hydrothermale d'une péridotite océanique conduit à une profonde transformation minéralogique qui correspond au " processus de serpentinisation ". Durant ce processus, le Fe2+ initialement contenu dans les olivines et/ou les pyroxènes peut s'oxyder en Fe3+ en incorporant des phases nouvellement formées comme la serpentine et la magnétite. L'hydrolyse de l'eau associée à cette réaction entraine la production de grandes quantités d'hydrogène. Au niveau des dorsales océaniques, de fortes concentrations en hydrogène et hydrocarbures ont été récemment mises en évidence sur quelques site
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13

Monti, Francesca. "Lighting of University lecture halls:a Design Proposal for Palazzo Malvezzi - Campeggi." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2020. http://amslaurea.unibo.it/21143/.

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Many university lecture halls in Bologna are based inside historic buildings and noble palaces, not designed for students as they are built for a different purpose. The daylight contribution in the rooms is usually not sufficient to satisfy the requirements for school premises; moreover, artificial lighting mainly consists in lamps with high consumption and low performances. Under these conditions the student's visual comfort is not optimal. The following work is based on the open site analysis about the state of art of some university classrooms and their led re-design. The case studies are
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14

Toussaint, Renaud. "Quelques contributions en mécanique de milieux poreux déformables, mélanges solides et fluides : Fractures, liquéfaction, avalanches et déformations lentes." Habilitation à diriger des recherches, Université de Strasbourg, 2013. http://tel.archives-ouvertes.fr/tel-00816311.

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La géophysique, au sens de la physique d'objets et processus géologiques, est une formidable source de problèmes complexes, au sens de la physique de la matière complexe. Par exemple, des problèmes essentiels ont trait à la mécanique des failles, les avalanches, chargées de fluides ou non, de matière en grain ou plus pâteuse, les phases dynamiques de la sédimentation et les instabilités pendant celle-ci, la fracturation, sèche ou déclenchée par le transport des fluides parcourant les pores de la roche ou du sol, la liquéfaction durant les tremblements de terre, les écoulements d'une ou plusieu
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15

Awele, Emmanuel Chukwudi. "Globalization and slow violence : slow genocide at the periphery in Jeannette Armstrong’s Whispering in shadows and Kaine Agary’s Yellow-Yellow." Mémoire, Université de Sherbrooke, 2015. http://hdl.handle.net/11143/6850.

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Abstract : The work that follows analyses the environmental, cultural, economic and rhetorical methods of conceptualizing violence affecting traditional Niger-Deltan and pan-Indigenous peoples. Whispering in Shadows by Jeanette Armstrong and Yellow-Yellow by Kaine Agary represent how Okanagan and other pan-Indigenous peoples of the Americas and Niger Deltans experience contemporary forms of slow genocide as a result of environmental pollution and various forms of displacement from ancestral spaces. This analysis of both texts brings to the fore the Indigenous sense of life, well-being, and pro
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16

Vallée, Martin. "Caractérisation de la source sismique : depuis les études globales jusqu'aux analyses détaillées du processus de rupture." Habilitation à diriger des recherches, Université de Nice Sophia-Antipolis, 2012. http://tel.archives-ouvertes.fr/tel-00710883.

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Ce mémoire d'habilitation décrit ma recherche effectuée en vue de mieux comprendre le mécanisme des tremblements de terre. Les ondes sismiques sont les principales données qui donnent accès à cette information, et mes travaux sont donc en lien direct avec les observations des capteurs sismiques (ou géodésiques) capables de détecter ces ondes. Les qualité, quantité et type de données disponibles m'ont conduit à aborder cette thématique sous trois angles différents, qui recoupent les trois chapitres de ce mémoire. A l'échelle mondiale, les capteurs large-bande du réseau global permettent une étu
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17

Martin, Alan J., Dirk Wallschläger, Jacqueline London, et al. "The biogeochemical behaviour of selenium in two lentic environments in the Elk River Valley, British Columbia." 2008. http://hdl.handle.net/2429/9189.

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The biogeochemical behaviour of selenium (Se) in two lentic environments (Goddard Marsh (GM) and Fording River Oxbow (FRO)) was assessed through detailed examination of Se speciation in bottom water, porewater and sediment components. The depositional environments at GM and FRO differ with regards to organic matter content, organic matter sources (as revealed by C:N ratios) and redox character. X-ray absorption near edge spectral (XANES) data suggest that elemental Se and organo-Se represent the dominant hosts for Se at GM and FRO. At both sites, the vertical distributions of dissolved Se spec
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18

Chongo, Godfrey. "Host, pathogen and environmental effects on incomplete resistance to anthracnose, Colletotrichum truncatum, in lentil, Lens culinaris." 1998. http://hdl.handle.net/1993/1551.

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Incomplete resistance has recently been identified in a few lentil (Lens culinaris) lines/cultivars to anthracnose (Colletotrichum truncatum). The effectiveness of this incomplete resistance in controlling anthracnose, the responses of incompletely resistant lines/cultivars to the pathogen under various environmental factors favourable to anthracnose development and the components of incomplete resistance were investigated in one or more of five incompletely resistant lines/cultivars Indianhead, 458-57, PI 299331, PI 320937, PI 345629 and the susceptible cultivar Eston. Line 458-57 was evalu
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19

"Host, pathogen and environmental effects on incomplete resistance to anthracnose, Colletotrichum truncatum, in lentil, Lens culinaris." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp02/NQ31970.pdf.

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20

Hillwalker, Wendy E. "Selenium and trace metal accumulation in detrital-benthic food webs of lotic and lentic wetlands, Utah, USA." Thesis, 2004. http://hdl.handle.net/1957/29920.

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Concentrations of selenium (Se), manganese (Mn), zinc (Zn), cadmium (Cd), lead (Pb) and arsenic (As) were measured in the water column, sediment and biota, in conjunction with selected physicochemical data, from representative wetland types at a mining site within Salt Lake County, Utah, USA. The selected field sites included Oolitic Pond (lentic) and Lee Creek (lotic), which are moderately contaminated brackish, alkaline aquatic wetlands managed by a copper mining industry. These fishless wetlands are located in a geographic region that poses risk to migratory shorebird populations from dieta
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21

Wu, Tsai Shang, and 蔡尚武. "A Study of The Effect of Hypobaric Hypoxia Environment on the Blood Biochemical Values of Climbers of the Peak Lenin Expedition." Thesis, 2003. http://ndltd.ncl.edu.tw/handle/66742965044878035544.

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碩士<br>中國文化大學<br>運動教練研究所<br>91<br>Abstract The best achievement of climber is to break the limit of strength and climb the peak. In order to discuss the transmation of hypobaric hypoxia environment that affect the body blood of white blood cell, hormone and SOD. The research’s object is Lenin Peak expedition group (Five male; One female. 21-56 age). And collect the blood of front, half and behind climbing. The result is i) No transmation in white blood cell count, neutrophils, lymphocytes, monocytes, eosinophils, basophils. ii) Except the minor of climber have noradrenaline, adrenali
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