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Record Nr. |
UNINA9910459539003321 |
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Autore |
Hruschka Daniel J. <1972-> |
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Titolo |
Friendship [[electronic resource] ] : development, ecology, and evolution of a relationship / / by Daniel J. Hruschka |
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Pubbl/distr/stampa |
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Berkeley, : University of California Press, c2010 |
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ISBN |
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1-282-76447-0 |
9786612764479 |
0-520-94788-6 |
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Descrizione fisica |
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1 online resource (399 p.) |
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Collana |
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Origins of human behavior and culture ; ; v.5 |
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Disciplina |
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Soggetti |
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Friendship - Social aspects |
Kinship |
Human behavior |
Interpersonal relations |
Electronic books. |
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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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Frontmatter -- Contents -- Illustrations -- Boxes -- Acknowledgments -- Introduction: The Adaptive Significance Of Friendship -- 1. An Outline Of Friendship -- 2. Friendships Across Cultures -- 3. Friendship And Kinship -- 4. Sex, Romance, And Friendship -- 5. Friendship: Childhood To Adulthood -- 6. The Development Of Friendships -- 7. Friendship, Culture, And Ecology -- 8. Playing With Friends -- Conclusion -- Appendix A: Ethnographic Data And Coding -- Appendix B: Mathematical Models For Chapter 8 -- Appendix C: D-Statistics For Studies Cited -- Notes -- References -- Index |
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Sommario/riassunto |
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Friends-they are generous and cooperative with each other in ways that appear to defy standard evolutionary expectations, frequently sacrificing for one another without concern for past behaviors or future consequences. In this fascinating multidisciplinary study, Daniel J. Hruschka synthesizes an array of cross-cultural, experimental, and ethnographic data to understand the broad meaning of friendship, how it develops, how it interfaces with kinship and romantic relationships, and how it differs from place to place. Hruschka argues that friendship |
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is a special form of reciprocal altruism based not on tit-for-tat accounting or forward-looking rationality, but rather on mutual goodwill that is built up along the way in human relationships. |
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2. |
Record Nr. |
UNINA9910299835603321 |
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Autore |
Chen Sheng-Hong |
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Titolo |
Hydraulic Structures / / by Sheng-Hong Chen |
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Pubbl/distr/stampa |
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Berlin, Heidelberg : , : Springer Berlin Heidelberg : , : Imprint : Springer, , 2015 |
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ISBN |
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Edizione |
[1st ed. 2015.] |
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Descrizione fisica |
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1 online resource (1048 p.) |
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Classificazione |
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SCI019000SCI081000TEC009150 |
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Disciplina |
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551.48 |
620 |
624.15 |
624.151 |
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Soggetti |
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Engineering geology |
Engineering—Geology |
Foundations |
Hydraulics |
Geotechnical engineering |
Hydrology |
Geoengineering, Foundations, Hydraulics |
Geotechnical Engineering & Applied Earth Sciences |
Hydrology/Water Resources |
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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. |
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Nota di contenuto |
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Introduction -- Planning and Design of Hydraulic Projects -- Study on material properties -- Actions on Hydraulic Structures and Their Effect Combinations -- Analysis of Action Effects for Hydraulic Structures -- Design Criteria and Methods for Hydraulic Structures -- Gravity Dams -- Arch Dams -- Embankment dams -- Rockfill dams -- Sluices and Barrages -- Shore spillways -- Hydraulic tunnels -- Rock Slopes in |
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Hydraulic Projects -- Hydraulic steel gates -- Irrigation and drainage works -- Appurtenant works -- Operation and maintenance of hydraulic structures. |
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Sommario/riassunto |
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This book discusses in detail the planning, design, construction and management of hydraulic structures, covering dams, spillways, tunnels, cut slopes, sluices, water intake and measuring works, ship locks and lifts, as well as fish ways. Particular attention is paid to considerations concerning the environment, hydrology, geology and materials etc. in the planning and design of hydraulic projects. It also considers the type selection, profile configuration, stress/stability calibration and engineering countermeasures, flood releasing arrangements and scouring protection, operation and maintenance etc. for a variety of specific hydraulic structures. The book is primarily intended for engineers, undergraduate and graduate students in the field of civil and hydraulic engineering who are faced with the challenges of extending our understanding of hydraulic structures ranging from traditional to groundbreaking, as well as designing, constructing and managing safe, durable hydraulic structures that are economical and environmentally friendly. |
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