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[null,"1.","Record Nr.",null,"UNINA9910464368003321"]
[null,null,"Autore",null,"Stark M. P (Martin P.)"]
[null,null,"Titolo",null,"Encyclopedic learners' dictionaries : a study of their design features from the user perspective / / Martin Stark"]
[null,null,"Pubbl/distr/stampa",null,"Tübingen, Germany : , : Max Niemeyer Verlag, , 1999"]
[{"$nulls":4},"©1999"]
[null,null,"ISBN",null,"3-11-091684-3"]
[null,null,"Edizione",null,"[Reprint 2015]"]
[null,null,"Descrizione fisica",null,"1 online resource (311 p.)"]
[null,null,"Collana",null,"Lexicographica. Series Maior, , 0175-9264 ; ; 92"]
[null,null,"Classificazione",null,"ET 580"]
[null,null,"Disciplina",null,"423/.028"]
[null,null,"Soggetti",null,"English language - Lexicography"]
[{"$nulls":4},"English language - Usage"]
[{"$nulls":4},"Encyclopedias and dictionaries - History and criticism"]
[{"$nulls":4},"English language - Evaluation"]
[{"$nulls":4},"English language - Study and teaching - Foreign speakers - Evaluation"]
[{"$nulls":4},"Lexicography"]
[{"$nulls":4},"Electronic books."]
[null,null,"Lingua di pubblicazione",null,"Inglese"]
[null,null,"Formato",null,"Materiale a stampa"]
[null,null,null,"Livello bibliografico","Monografia"]
[null,null,null,"Note generali","Description based upon print version of record."]
[null,null,null,"Nota di bibliografia","Includes bibliographical references."]
[null,null,"Nota di contenuto",null,"Frontmatter -- Table of Contents -- Acknowledgements -- Abbreviations -- Table of Figures -- Introduction -- Chapter 1: Describing a New Lexicographical Hybrid: the Encyclopedic Learner's Dictionary -- Chapter 2: Assessing Encyclopedic Learners' Dictionaries from the User Perspective -- Chapter 3: Design Features of Encyclopedic Learners' Dictionaries -- Conclusion -- Bibliography -- Appendix 1: User Survey Questionnaire -- Appendix 2: Headwords in the X, Y, and Ζ Sections of LDELC and LDOCE2 -- Appendix 3: Headwords in the X, Y, and Ζ Sections of OALED and OALD4 -- Appendix 4: Headwords in the X, Y, and Ζ Sections of LDELC, LDOCE2, OALED, and OALD4 -- Appendix 5: Headwords in the X, Y, and Ζ Sections of LDELC (but not LDOCE2) and OALED (but not OALD4) -- Appendix 6: Biographical Entries in the M Sections of LDELC and OALED -- Appendix 7: Table of Cultural Notes in LDELC and Mini-notes in OALED -- Abstracts"]
[null,null,null,"Sommario/riassunto","This book describes and evaluates the usefulness of a recently developed lexicographical hybrid: the encyclopedic learner's dictionary (ELD). It attemps to answer three key questions: i) What are ELDs?, ii) "]
[{"$nulls":4},"How useful are they?, and iii) How can they be designed to serve their users most effectively? The first chapter analyses the ELD from a typological perspective. First, the elements combined to create this new branch of lexicographical typology are examined. Next, two encyclopedic learners' dictionaries are dissected and compared: The \"Longman Dictionary of English Language and Culture\" and the \"Oxford Advanced Learner's Encyclopedic Dictionary\". Each ELD is compared with its non-encyclopedic parent dictionary, and a checklist of ELD-specific design features is drawn up. The second chapter focuses on the user perspective in lexicographical research. First, a critical survey of previous user-based studies is provided. Next, the questionnaire-based methodology used in the investigation is described. Fourty informants completed the questionnaire and an attempt is made to correlate user characteristics with dictionary use and with attitudes towards the inclusion of encyclopedic information in learners' dictionaries. In the third chapter each design feature found in the ELDs is described in depth and the informants' evaluations of its usefulness are supplied. In this manner, the typological focus of the first chapter and the user perspective of the second chapter are synthesized in a user-informed analysis and evaluation of ELD components. Finally, the implications of this research for the future production of ELDs are presented as a checklist of recommendations, and suggestions for future lexicographical research are made."]
[null,"2.","Record Nr.",null,"UNINA9910824138903321"]
[null,null,"Autore",null,"Hashmi Amir A."]
[null,null,"Titolo",null,"Oil film dynamics in aero engine bearing chambers : fundamental investigations and numerical modelling / / von Amir Aleem Hashmi"]
[null,null,"Pubbl/distr/stampa",null,"Berlin : , : Logos, , [2012]"]
[{"$nulls":4},"©2012"]
[null,null,"ISBN",null,"3-8325-9365-9"]
[null,null,"Descrizione fisica",null,"1 online resource (164 pages)"]
[null,null,"Collana",null,"Forschungsberichte Aus Dem Institut Für Thermische Strömungsmaschinen ; ; Band 20"]
[null,null,"Disciplina",null,"629.13435"]
[null,null,"Soggetti",null,"Airplanes - Motors"]
[null,null,"Lingua di pubblicazione",null,"Inglese"]
[null,null,"Formato",null,"Materiale a stampa"]
[null,null,null,"Livello bibliografico","Monografia"]
[null,null,null,"Note generali","PublicationDate: 20121115"]
[null,null,null,"Sommario/riassunto","Long description: Aero engine bearing chambers are complex machine elements inside the engines, supporting up to three concentric shafts on bearings. For safety reasons, the aero engines always employ rolling-element type bearings and therefore require a sufficient oil supply for lubrication in order to guarantee a reliable operation. As a consequence, a complex two-phase flow consisting of oil and sealing air governs the bearing chambers. A highly dynamic oil film, flowing along the chamber walls, plays a vital role to fulfill the tasks of cooling, lubricating and cleaning the bearing chambers. The design and optimization process of the bearing chambers requires a detailed understanding in order to accurately simulate the film behaviour inside the bearing chambers. Based on the earlier experimental investigations, it is known that near the scavenge off-take a relatively thick film exists. The numerical model to simulate these films must therefore take into account the elliptical behaviour of such films. Among the different models, the Volume Of Fluid (VOF) Model offers the best compromise between accuracy and efforts. However, preliminary attempts to model a fully developed and turbulent test case from literature revealed an unphysical pressure drop and velocity profile in the gas phase above the film flow. An inadequate turbulence modelling near the gas-liquid interface was identified as the problem source. The 2-Equation turbulence models (k-Îµ& k-Ï\u0089) were extended to achieve a substantial improvement."]