130 research outputs found
The genetics of resistance to infectious pancreatic necrosis virus in rainbow trout unveiled through survival and virus load data
No full textInfectious Pancreatic Necrosis virus (IPNV) is one of the major threats to the animal welfare and economy of the rainbow trout farming industry. Previous research has demonstrated significant genetic variation for resistance against IPNV. The main objective of the study was to investigate the genetic architecture of resistance against IPNV in rainbow trout fry. To achieve this, 610 rainbow trout fry, from a full factorial mating between 5 sires and 5 dams, were bath challenged with the IPNV isolate (IPNV-AS) from Atlantic salmon reared at a commercial farm. The resistance against IPNV was accessed using three different phenotypes; binary survival (BS), total days survived (TDS) and virus load (VL) recorded on the fish throughout the 40-day challenge test. All fish were genotyped using a 57K Affymetrix SNP array. The IPNV-AS isolate resulted in an overall mortality of 62.1%. The heritability estimates for survival (BS h2 = 0.21 ± 0.06, TDS h2 = 0.25 ± 0.07) and VL traits (h2 = 0.23 ± 0.08) were moderate and indicative of potential use of selection for increased resistance to IPNV in rainbow trout selective breeding programs. The unity estimated genetic correlation between the two survival traits (BS and TDS) indicates that the traits can be considered the same trait. In contrast, a moderate favourable negative genetic correlation was found between VL and the two survival traits (−0.61 ± 0.22 to −0.70 ± 0.19). The GWAS of the traits with many QTLs crossing the chromosome-wide Bonferroni corrected threshold indicates the polygenic nature of the studied traits. Most of the 10 possible identified genes were found to be linked with immunity or viral pathogenesis, which could be potentially responsible for the significant genetic variation in survival against the IPNV-AS. The QTL validation analysis revealed no significant difference in the mortalities and VL among the three genotypes of the detected QTL. The VL trait showed larger variation among the dead fry and with a concordant pattern with the two survival phenotypes, but with no significant difference in the proportion of IPNV VL positive samples in the dead and the survived fry. Overall, the results indicate the polygenic nature of the studied traits and support the use of genomic selection to improve resistance against IPNV in rainbow trout breeding companies
The effect of defects and notches in quasi-static and fatigue loading of Inconel 718 specimens produced by selective laser melting
No full textAdditively manufactured components are likely to contain defects deriving from the manufacturing process. They are also likely to be designed with high geometric complexity (including notches), due to very few design-limitations. In order to understand the influence of these two types of geometric features, we here investigate as-built Inconel 718 specimens produced by selective laser melting under quasi-static and cyclic loading. Notched and unnotched specimens are considered, and the main emphasis is set on the influence of the defects and on how they influence the failure locations at different load levels. © 2020 The Author(s
Mulheres no cinema de Helena Solberg: entre múltiplos olhares e vozes, os documentários A Entrevista (1966) e The Double Day (1975)
No full textA tentativa de estabelecer uma linha evolutiva em perspectiva comparada na análise das identidades e vivências de mulheres, a partir dos documentários A entrevista (1966) e The double day (1975), de Helena Solberg, é também a tentativa de apreender dois momentos distintos destas obras. Sua autora vivenciou a experiência de olhar e mergulhar na América Latina somente quando fora do Brasil, após o AI-5, e já radicada na capital norte-americana, Washington. No entanto, ao acompanhar a trajetória das trabalhadoras de cidades e vilarejos latino-americanos, em fábricas ou na mineração, ressaltam-se a força e a multiplicidade do ser-mulher. Sua filmografia então volta-se, definitivamente, para questões sociais que a acompanham até produções recentes, que mantêm as escolhas voltadas às mulheres, talvez, a sua principal temática.The attempt to establish an evolutionary line in compared perspective in the analysis of the identities and experiences of women, based on the documentaries A entrevista (1966) and The double day (1975), by Helena Solberg, is also the attempt to apprehend two distinct moments from these works. Its author lived the experience of looking and diving in Latin America only when outside of Brazil, after the AI-5, and already living in the North American capital, Washington. However, when following the trajectory of workers in Latin American cities and villages, in factories or in mining, the strength and multiplicity of being-women are emphasized. Her filmography then definitely turns to social issues that accompany her until recent productions, which keep the choices focused on women, perhaps, her main theme
Arendt, Hannah–Ephemera 018
No full text018 Solberg. Found in Riding High: America in the Cold War: Typewritten note by the author acknowledging Hannah Arendt\u27s influence and requesting comments on his new book.https://digitalcommons.bard.edu/hapl_ephemera/1015/thumbnail.jp
A comparison of imagery evoked by silent reading with imagery evoked by listening in grades three, five and six,
No full textThesis (M.A.)--Boston University
N.B.: pages 123 and 124 appear to be missing from the manuscript. We believe that this is a page numbering error on the part of the author, and no content is actually missing
Jewels in the Queen's crown: The fine and performing arts in Cincinnati, Ohio, 1865-1919
No full text"Local historians consider the period of this study to be the ""golden age"" of high culture in Cincinnati, during which the city's major arts institutions came into being and the Queen City enjoyed a national reputation as a center of the fine and performing arts."This work asks three questions: Why did Cincinnati undergo a cultural blossoming at this time? Who were the individuals who drove forward the city's cultural development? What did they hope to accomplish through their support of the fine and performing arts? To answer these questions, the author investigates the city's major cultural institutions: the local artist community, Cincinnati Art Museum, Cincinnati Art Academy, May Festivals, Cincinnati Symphony Orchestra, music schools, and opera and theater in the Queen City."The study concludes that Cincinnati enjoyed a ""golden age"" as part of the general cultural expansion of the ""American Renaissance"" and because the city's upper class became large enough to support permanent arts institutions. It finds that these institutions were founded and led by a small group of the city's socio-economic elite with strong economic, social, and family ties to one another. By supporting the arts, these men and women hoped to restore Cincinnati's declining regional and national position and to elevate the city's moral tone, which they believed to be threatened by forces associated with industrialization and urbanization."Made available in DSpace on 2011-05-07T13:14:27Z (GMT). No. of bitstreams: 2
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Les Voix qui Sortent de l'abîme : La Litterature au Debut du Troisieme Millenaire
No full text130 p.The author asks: what role does literature play in the new century? Does it have to conform to or reject society? To answer these questions she examine four texts that each suggest a different way of seeing the world and literature: 99 Francs by Frédéric Beigbeder; Les Particules Elémentaires by Michel Houellebecq; La Vie Sexuelle de Catherine M'. by Catherine Millet; and L'Inceste by Christine Angot. Text is French
Modification of Existing Permeameters to Estimate Hydraulic Conductivity of Groundwater in Unconsolidated Sand in the Laboratory
No full textModification of Existing Permeameters to Estimate Hydraulic Conductivity of Groundwater in Unconsolidated Sand in the Laboratory is a master thesis written by Runa Aronsen Solberg in the spring of 2018. The thesis is the final work of the course TPG4920 Petroleum Engineering, Master s Thesis, at the Department of Geoscience and Petroleum at the Norwegian University of Science and Technology (NTNU). The thesis is a continuation of the author s specialization project completed during autumn 2017. The thesis contains a total of 116 pages.
Hydraulic conductivity describes how easily a fluid is transported through a porous medium and can be estimated using several methods. A simple and cost-efficient method used to estimate hydraulic conductivity is by permeameter testing in the laboratory. It has proved to be a challenge to estimate hydraulic conductivity in the laboratory because the sample material does not represent an undisturbed "in situ" material in the field, because the grain structure of the sample is disturbed during the drilling process of groundwater wells and when transported from the well to the laboratory. The objective of this thesis is to modify 3 already existing permeameters; the Darcy-cell, the air permeameter and the liquid permeameter (the latter 2 collectively called core permeameters), to better calculate the hydraulic conductivity of groundwater in unconsolidated sand in the laboratory. The purpose of this is to obtain results for hydraulic conductivity of groundwater that can be used as an estimate of the in-situ hydraulic conductivity in unconsolidated sand in the field.
The smallest average value of hydraulic conductivity is estimated using the liquid permeameter with a value of 2,19×〖10〗^(-6) m/s, followed by the air permeameter with a value of 2,25×〖10〗^(-5) m/s. The largest value was estimated using the Darcy -cell with an average of 1,26×〖10〗^(-3) m/s. The results show that it is not possible to use the modified core permeameters to estimate the hydraulic conductivity of groundwater in unconsolidated sand. Further modifications of the setup and collection of more data is needed. The modified Darcy-cell provides the most reliable values for hydraulic conductivity, but methods of fully saturating the sample needs to be further investigated to obtain results for hydraulic conductivity of groundwater that can be used as an estimate of the in-situ hydraulic conductivity of unconsolidated sand in the field
Modification of Existing Permeameters to Estimate Hydraulic Conductivity of Groundwater in Unconsolidated Sand in the Laboratory
No full textModification of Existing Permeameters to Estimate Hydraulic Conductivity of Groundwater in Unconsolidated Sand in the Laboratory is a master thesis written by Runa Aronsen Solberg in the spring of 2018. The thesis is the final work of the course TPG4920 Petroleum Engineering, Master s Thesis, at the Department of Geoscience and Petroleum at the Norwegian University of Science and Technology (NTNU). The thesis is a continuation of the author s specialization project completed during autumn 2017. The thesis contains a total of 116 pages.
Hydraulic conductivity describes how easily a fluid is transported through a porous medium and can be estimated using several methods. A simple and cost-efficient method used to estimate hydraulic conductivity is by permeameter testing in the laboratory. It has proved to be a challenge to estimate hydraulic conductivity in the laboratory because the sample material does not represent an undisturbed "in situ" material in the field, because the grain structure of the sample is disturbed during the drilling process of groundwater wells and when transported from the well to the laboratory. The objective of this thesis is to modify 3 already existing permeameters; the Darcy-cell, the air permeameter and the liquid permeameter (the latter 2 collectively called core permeameters), to better calculate the hydraulic conductivity of groundwater in unconsolidated sand in the laboratory. The purpose of this is to obtain results for hydraulic conductivity of groundwater that can be used as an estimate of the in-situ hydraulic conductivity in unconsolidated sand in the field.
The smallest average value of hydraulic conductivity is estimated using the liquid permeameter with a value of 2,19×〖10〗^(-6) m/s, followed by the air permeameter with a value of 2,25×〖10〗^(-5) m/s. The largest value was estimated using the Darcy -cell with an average of 1,26×〖10〗^(-3) m/s. The results show that it is not possible to use the modified core permeameters to estimate the hydraulic conductivity of groundwater in unconsolidated sand. Further modifications of the setup and collection of more data is needed. The modified Darcy-cell provides the most reliable values for hydraulic conductivity, but methods of fully saturating the sample needs to be further investigated to obtain results for hydraulic conductivity of groundwater that can be used as an estimate of the in-situ hydraulic conductivity of unconsolidated sand in the field
L'evolution historique des pronoms d'adresse tu et vous du latin au francais moderne
No full text56 p.In the Romance languages, there are two types of the second person pronouns. one that is formal. One of these pronouns is used to talk to one person without being formal and the other is used for either formal address or more than one person. The author discusses the history of the two pronouns and how it applies to current and future usage in French
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