971 resultados para Roth, Filibert, 1858-1925
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An interview in four sessions, January and February 2014, with longtime Caltech chemistry librarian Dana L. Roth. Roth received his undergraduate education at Pasadena City College and UCLA (BS in chemistry, 1962). In 1965, he received master’s degrees in chemistry from Caltech and in library science from UCLA; that summer, he became Caltech’s chemistry librarian. After consolidation of Caltech’s division libraries in Millikan Library in 1967, he undertook various administrative responsibilities at Millikan over the years, along with his continuing duties as chemistry librarian. Active in the chemistry division of the Special Libraries Association. In 2008, inducted into the SLA Hall of Fame. That year he also received the Thomas W. Schmitt Staff Prize, presented to a Caltech staff member whose contributions “embody the values and spirit that enable the institute to achieve excellence in research and education.” Retired April 2013. In this interview he discusses his initial education as a chemist, including his graduate education at Caltech, and his switch to library science. He traces the development of library science in general and at Caltech—from the card-catalog days to the growth of the electronic Caltech Library system and the present state of online access and databases.
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Relatório original, datado de 31 de Janeiro de 1859, do espólio do "Arquivo Histórico do LNEG"
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Tese de Doutoramento, Educação (Sociologia da Educação), 11 de Julho 2013, Universidade dos Açores.
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From 1925 to 1929, various research trips on the ship “De Lanessan” were organized focusing on geography, geology, hydrodynamics, sea creatures and maritime resources potential. In the present note over 570 stations have been listed for periodical survey.
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This chapter explores the relationship between environmental conflicts and technical progress, trying to understand, in the case of large mines of the Iberian Pyrite Belt, in Alentejo, how emerging environmental problems conditioned the performance or led to the search for alternative technical solutions, taking as chronological limit for this observation the beginning of World War II. In the absence of the archives of the companies, the research was based on existing administrative documents in the state archives (mining engineers reports, the licensing of mining activities), on reports and documents published in specialized mining press, in particular, the Bulletin of the Ministry of Public Works, Trade and Industry, the Journal of Public Works, Trade and Industry (both in Portuguese), and finally in the local press. Despite that limitation, the information available shows that in global competition markets, the success of the British enterprise in Santo Domingo had the active search for new technical solutions for the creation and adaptation of existing knowledge to local problems in order to maximize the mineral resources available. The early development of the hydrometallurgical processes for the treatment of poor ores, named ‘natural cementation’, can be explained as the way these companies tried to solve problems of competitiveness, boosting economies of scale. Thus, they transferred the environmental costs previously limited to agriculture to more fragile social groups, the poor fishermen of Guadiana River and of Vila Real de Santo António. Therefore, the hydrometallurgy of pyrites was developed locally, pioneered in Santo Domingo that allowed the survival and expansion of the British company from the late 1870s, that is, at a time when most small mines shut since they were not able to compete globally. Through different consented and regulated processes (judicial), through conflict or parliamentary mediation, the State imposed exceptionally additional costs to companies, either for compensation, the imposing the application of remediation measures to reduce the environmental damage in some cases, thus contributing to derail some projects. These cases suggest that the interaction between local conflicts, corporate behavior and technological progress proves to be complex. This article aims to contribute to the debate on economic and social history between the environment and technological progress, arguing that the fixed costs and economic imponderable social risks were factors that encouraged the companies to search for new solutions and to introduce innovations since that would allow the expansion of their activity. In this process the companies sometimes faced environmental dilemmas and unforeseen costs with consequences on the economy of firms. The nature of the knowledge needed to address the environmental problems they created, however, is of a very different nature from that knowledge needed to face the environmental burdens that were inherent to the development of its activity.
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Durante las dos últimas décadas del siglo XIX y las primeras del XX, España fue escenario de diferentes proyectos políticos y sociales asociados al republicanismo y las ideologías de izquierdas. Sus promotores hablaban de conseguir la regeneración del país mediante la reorganización de la sociedad. Se trataba, según ellos, de sacar al país del atraso en el que se encontraba y de acercarlo a aquellos países en los que el progreso se había impuesto a las fuerzas partidarias de mantener las viejas y caducas estructuras sociales y regímenes políticos. Entre estos grupos progresistas el discurso dominante era el de un cambio social y político radical. Volvían con nostalgia su mirada hacia atrás, teniendo como modelo la Primera República y sus ideales, y aspiraban a implantar la Segunda República. Su discurso anticlerical y antimonárquico promovía una revolución social y política, que cambiase totalmente el país en todos sus aspectos: costumbres, política, educación, y también que reinventase las relaciones de género, y redefiniese el papel de la mujer en la nueva sociedad...
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Samples of cultivated Ulva clathrata were collected from a medium scale system (MSS, 1.5 1.5 m tank), or from a large scale system (LSS, 0.8 ha earthen pond). MSS samples were dried directly while the LSS sample was washed in freshwater and pressed before drying. Crude protein content ranged 20–26%, essential amino acids accounting for 32–36% of crude protein. The main analysed monosaccharides were rhamnose (36–40%), uronic acids (27–29%), xylose (10–13%) and glucose (10–16%). Some notable variations between MSS and LSS samples were observed for total dietary fibre (26% vs 41%), saturated fatty acids (31% vs 51%), PUFAS (33% vs 13%), carotenoids (358 vs 169 mg kg1 dw) and for Ca (9 vs 19 g kg1 ), Fe (0.6 vs 4.2 g kg1 ), Cu (44 vs 14 mg kg1 ), Zn (93 vs 17 mg kg1 ) and As (2 vs 9 mg kg1 ). The chemical composition of U. clathrata indicates that it has a good potential for its use in human and animal food.
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Dissertação de mest. em Aquacultura e Pescas, Faculdade de Ciências do Mar e do Ambiente, Univ. do Algarve, 2006
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Ded. autógr. del trad.
Disruptive Threads and Renegade Yarns: Domestic Textile Making in Selected Women's Writing 1811-1925
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Thesis (Ph.D, English) -- Queen's University, 2016-08-03 13:57:45.102
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A bimonthly literary magazine edited by Zhou Shoujuan 周瘦鵑, featuring fiction, topical articles, and entertainment features, published from September 1921 through November 1925.
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A bimonthly literary magazine edited by Zhou Shoujuan 周瘦鵑, featuring fiction, topical articles, and entertainment features, published from September 1921 through November 1925.
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A bimonthly literary magazine edited by Zhou Shoujuan 周瘦鵑, featuring fiction, topical articles, and entertainment features, published from September 1921 through November 1925.
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A bimonthly literary magazine edited by Zhou Shoujuan 周瘦鵑, featuring fiction, topical articles, and entertainment features, published from September 1921 through November 1925.