911 resultados para Standarization of the system


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"Termini botanici; a dictionary of botanical terms, for the use of students in botany. A new ed. By James Lee ...": p. [227]-314. The dictionary was first published as an appendix to Lee's Introduction to botany.

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Mode of access: Internet.

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Mode of access: Internet.

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Kornai János rendszerparadigma-fogalmából és az ott felsorolt közgazdászok névsorából kiindulva, a tanulmány kiemel néhány mozzanatot ennek eszmetörténeti előzményeiből. A hatvanas évek szociológiai irodalmában időszerűtlennek tartották a nagy elmélet létrehozását, a nyolcvanas évek társadalomtudományában viszont már a hagyományos nagy rendszeralkotás és elbeszélésmód visszatérését méltatták. Adam Smith közgazdaságtanát a társadalmi érintkezés átfogó elmélete részének szánta, amely tartalmazza a jog, politika és erkölcs elveit és történetét. Ezt szemlélteti a kereskedelmi társadalom paradoxonának elemzése és annak bemutatása, hogyan vezetett a fényűzés a szabadság helyreállításához és a rendszeres kormányzat létrejöttéhez. Marx és a német történeti iskola egyaránt törekedett a társadalom történeti fejlődéstörvényeinek feltárására, noha kölcsönösen elutasították egymás felfogásának többi elemét. Schumpeter életművét az a törekvés határozta meg, hogy összekapcsolja az elméleti analízist és a történeti leírást, hogy a gazdasági fejlődés elemzéséből kiindulva megalkossa a társadalmi élet különböző területeinek interdependenciáját bemutató elméletet. / === / The study starts from János Kornai's concept of a system paradigm and the list of economists there to lift certain elements from its antecedents in intellectual history. The sociological writers of the 1960s thought it was inopportune to create a grand theory, while the social scientists of the 1980s were busy celebrating the return of the great traditional system-creating process and its mode of narration. Adam Smith presented his economics as part of a comprehensive theory of social organization that would cover the principles and history of law, politics and morality. This is illustrated by his analysis of the paradox of commercial society and his demonstration of how wealth led to the restoration of liberty and the establishment of regular governance. Marx and the German historical school both strove to identify laws of the historical development of society, although they each rejected the other elements of the other's concept. Schumpeter's oeuvre was marked by an effort to combine theoretical analysis with historical description, so that from an analysis of economic development he could arrive at a theory presenting the interdependence of the various areas of social activity.

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An experimental laboratory was designed and assembled at the Botanical Institute of So Paulo, Brazil, in order to research atmosphere-plant interactions through the use of a system of fumigation chambers. A system of three ""closed"" fumigation chambers was designed to be used inside or outside the laboratory. The system was built to be used with a single pollutant or a mix of them. The innovation in this system is to allow chemical reactions inside the chambers that simulate atmospheric chemistry, especially photochemical processes involving high levels of ozone. Assessment of the performance and applicability of the system was based on the response of Nicotiana tabacum Bel W3 exposed to ozone produced alternatively by a generator and inside the chamber by reactions of its precursors. The results showed that the system can be well applied to the study of atmospheric chemistry interactions and the effects on plants.

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This study describes the developmental changes in pulmonary surfactant (PS) lipids throughout incubation in the sea turtle, Chelonia mydas. Total phospholipid (PL), disaturated phospholipid (DSP) and cholesterol (Chol) harvested from lung washings increased with advancing incubation, where secretion was maximal at pipping, coincident with the onset of pulmonary ventilation. The DSP/PL ratio increased, whereas the Chol/PL and the Chol/DSP ratio declined throughout development. The phospholipids, therefore, are independently regulated from Chol and their development matches that of mammals. To explore whether hypoxia could elicit an effect on the development of the PS system, embryos were exposed to a chronic dose of 17% O-2 for the final similar to 40% of incubation. Hypoxia did not affect incubation time, absolute, nor relative abundance of the surfactant lipids, demonstrating that the development of the system is robust and that embryonic development continues unabated under mild hypoxia. Hypoxia-incubated hatchlings had lighter wet lung weights than those from normoxia, inferring that mild hypoxia facilitates lung clearance in this species. (C) 2001 Elsevier Science B.V. All rights reserved.

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Dissertação de mestrado em Bioinformática