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1. |
Record Nr. |
UNINA9910784012503321 |
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Titolo |
Disinventing and reconstituting languages [[electronic resource] /] / edited by Sinfree Makoni and Alastair Pennycook |
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Pubbl/distr/stampa |
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Clevedon, : Multilingual Matters, 2007 |
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ISBN |
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1-280-70538-8 |
9786610705382 |
1-85359-925-5 |
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Descrizione fisica |
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1 online resource (265 p.) |
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Collana |
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Bilingual education and bilingualism |
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Altri autori (Persone) |
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MakoniSinfree |
PennycookAlastair <1957-> |
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Disciplina |
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Soggetti |
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Language and languages |
Semantics |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Note generali |
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Description based upon print version of record. |
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Nota di bibliografia |
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Includes bibliographical references and index. |
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Nota di contenuto |
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Front matter -- Contents -- The Contributors -- Foreword -- Chapter 1. Disinventing and Reconstituting Languages -- Chapter 2. Then There were Languages: Bahasa Indonesia was One Among Many -- Chapter 3. Critical Historiography: Does Language Planning in Africa Need a Construct of Language as Part of its Theoretical Apparatus? -- Chapter 4. The Myth of English as an International Language -- Chapter 5. Beyond ‘Language’: Linguistic Imperialism, Sign Languages and Linguistic Anthropology -- Chapter 6. Entering a Culture Quietly: Writing and Cultural Survival in Indigenous Education in Brazil -- Chapter 7. A Linguistics of Communicative Activity -- Chapter 8. (Dis)inventing Discourse: Examples from Black Culture and Hiphop Rap/ Discourse -- Chapter 9 .Educational Materials Reflecting Heteroglossia: Disinventing Ethnolinguistic Differences in Bosnia- Herzegovina -- Chapter 10. After Disinvention: Possibilities for Communication, Community and Competence -- Index |
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Sommario/riassunto |
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This book questions assumptions about the nature of language and how language is conceptualized. Looking at diverse contexts from sign languages in Indonesia to literacy practices in Brazil, from hip-hop in the US to education in Bosnia and Herzegovina, this book forcefully |
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argues that a critique of common linguistic and metalinguistic suppositions is not only a conceptual but also a sociopolitical necessity. Just as many notions of language are highly suspect, so too are many related concepts premised on a notion of discrete languages, such as language rights, mother tongues, multilingualism, or code-switching. Definitions of language in language policies, education and assessment have material and often harmful consequences for people. Unless we actively engage with the history of invention of languages in order to radically change and reconstitute the ways in which languages are taught and conceptualized, language studies will not be able to improve the social welfare of language users. |
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2. |
Record Nr. |
UNINA9910820080903321 |
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Autore |
Linkhart Douglas K. |
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Titolo |
Microwave circulator design / / Douglas K. Linkhart |
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Pubbl/distr/stampa |
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Norwood, Massachusetts : , : Artech House, , [2014] |
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[Piscataqay, New Jersey] : , : IEEE Xplore, , [2014] |
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ISBN |
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Edizione |
[Second edition.] |
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Descrizione fisica |
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1 online resource (386 p.) |
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Collana |
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Artech House microwave library |
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Disciplina |
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Soggetti |
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Circulators, Wave-guide - Design and construction |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Note generali |
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Description based upon print version of record. |
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Nota di bibliografia |
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Includes bibliographical references at the end of each chapters and index. |
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Nota di contenuto |
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Microwave Circulator DesignSecond Edition; Contents; Preface; Acknowledgments; 1 Theory of Operation; 1.1 Units, Conversions, and Symbols; 1.2 The Physical Basis of Ferrimagnetism; 1.3 Ferrimagnetic Resonance; 1.4 Microwave Propagation in Ferrites; 1.5 Other Technologies; 1.5.1 Semiconductor Circulators; 1.5.2 Nanotechnology Circulators; 1.5.3 Thin Ferrite Films; 1.5.4 Active Circulators; References; 2 Circulator Specification; 2.1 The Parameters; 2.2 Reflections and Segmentation; 2.3 Junction Circulators; 2.3.1 Single- Ferrite (Non- Composite) Junction Circulators. |
2.3.2 Composite- Ferrite Junction Circulators2.4 Lumped- Constant |
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Circulators; 2.5 Differential Phase Shift Circulators; 2.6 Switching Circulators; 2.7 Okada Circulators; 2.8 Field- Displacement Isolators; 2.9 Resonance Isolators; References; 3 Applications of Circulators; 3.1 Load Isolation; 3.2 Duplexing; 3.3 Multiplexing; 3.4 Parametric Amplifiers; 3.5. |
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Sommario/riassunto |
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"Circulator design has advanced significantly since the first edition of this book was published 25 years ago. The objective of this second edition is to present theory, information, and design procedures that will enable microwave engineers and technicians to design and build circulators successfully. This resource contains a discussion of the various units used in the circulator design computations, as well as covers the theory of operation. This book presents numerous applications, giving microwave engineers new ideas about how to solve problems using circulators. Design examples are provided, which demonstrate how to apply the information to real-world design tasks."-- |
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