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1. |
Record Nr. |
UNINA9910460411803321 |
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Autore |
Mimbang Jean Blaise |
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Titolo |
Les avantages comparatifs de Ricardo : la spécialisation est-elle source d'avantages concurrentiels? / / par Jean Blaise Mimbang ; avec la collaboration de Dominique Chariot |
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Pubbl/distr/stampa |
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[Place of publication not identified] : , : 50Minutes, , [2014] |
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©2014 |
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ISBN |
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Descrizione fisica |
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1 online resource (37 p.) |
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Collana |
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Gestion & marketing ; ; Numéro 6 |
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Disciplina |
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Soggetti |
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Comparative economics |
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 contenuto |
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Page de titre; Les avantages comparatifs; Données-clés; Introduction; Historique; Définition du modèle; Théorie - Présentation du concept; Coût d'opportunité; La théorie des avantages comparatifs dans l'histoire économique; Présentation du modèle des avantages comparatifs de David Ricardo; Limites et extensions du principe; Limites et critiques du modèle; La problématique des « industries dans l'enfance » et des pays sous-développés dans le commerce international; Les spécialisations inégales; Le commerce des similitudes; Extensions et modèles connexes |
Mise en pratique du concept - Le commerce internationalLe commerce international au fil du temps; La division du travail et la spécialisation; Illustrations des gains à l'échange - Le marché des voitures; L'équilibre en autarcie; Équilibre avec le commerce; Cas 1 - Le pays est exportateur de voitures; Cas 2 - Le pays est importateur de voitures; Les avantages de l'échange marchand; En résumé; Pour aller plus loin; Sources bibliographiques; Sources complémentaires; Copyright |
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2. |
Record Nr. |
UNINA9910450723303321 |
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Autore |
Mannheim Philip D |
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Titolo |
Brane-localized gravity [[electronic resource] /] / Philip D. Mannheim |
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Pubbl/distr/stampa |
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Hackensack, N.J., : World Scientific, c2005 |
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ISBN |
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1-281-89912-7 |
9786611899127 |
981-270-313-6 |
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Descrizione fisica |
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1 online resource (354 p.) |
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Disciplina |
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Soggetti |
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Superstring theories |
Branes |
Gravity |
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 (p. 329-332) and indexes. |
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Nota di contenuto |
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Foreword; Preface; Contents; 1. Why Higher Dimensions are Interesting; 2. The Randall-Sundrum Set-Up; 3. General Structure of Anti-de Sitter Spacetimes; 4. General Properties of Embeddings; 5. The Israel Junction Conditions; 6. The Newtonian Limit of an Embedded Brane; 7. Embedding of Static Robertson-Walker Branes and Negative Pressure; 8. Embedding of de Sitter and Anti-de Sitter Branes in Ads5; 9. Embedding of Non-Static Robertson-Walker Branes in Ads5; 10. Embedding Robertson-Walker Brane Worlds in M(4, 2); 11. Null Geodesics of Ads5 Bulks Containing Robertson-Walker Branes |
12. Generalized Einstein Equations on the Brane13. General Structure of Brane-World Gravitational Fluctuations; 14. Transverse-Traceless M4 Fluctuation Modes; 16. Normalization of Fluctuation Modes and Curved Space Gauss's Law; 17. Fluctuations around an Embedded Positive-Tension Minkowski Brane; 18. Fluctuations around an Embedded Negative-Tension Minkowski Brane; 19. Fluctuations around an Embedded Positive-Tension Ads Brane; 20. Equivalent Schrodinger Equation Treatment of the Fluctuation Equation; 21. Fluctuations around an Embedded Positive-Tension dS Brane |
22. Dynamically Generated Domain Walls and the Brane WorldAppendix |
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A Gauge Invariance of the Fluctuation Equation; Appendix B Perturbative Weyl Tensor; Appendix C Transverse and Transverse-Traceless Projection; Appendix D Fluctuation Energy-Momentum Tensor; Appendix E Retarded Propagators for Pure AdS and Pure dS Spacetimes; Appendix F Embedding M(2, 1) Branes in AdS4; Bibliography; Author Index; Subject Index |
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Sommario/riassunto |
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This timely and valuable book provides a detailed pedagogical introduction and treatment of the brane-localized gravity program of Randall and Sundrum, in which gravitational signals are able to localize around our four-dimensional world in the event that it is a brane embedded in an infinitely-sized, higher dimensional anti-de Sitter bulk space. A completely self-contained development of the material needed for brane-world studies is provided for both students and workers in the field, with a significant amount of the material being previously unpublished. Particular attention is given to iss |
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3. |
Record Nr. |
UNINA9911006632303321 |
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Autore |
Lea James Fletcher |
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Titolo |
Gas well deliquification / / James F. Lea, Henry V. Nickens, Mike R. Wells |
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Pubbl/distr/stampa |
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Amsterdam ; ; Boston, : Gulf Professional Pub./Elsevier, c2008 |
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ISBN |
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1-281-27318-X |
9786611273187 |
0-08-048419-0 |
0-08-056940-4 |
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Edizione |
[2nd ed.] |
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Descrizione fisica |
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1 online resource (605 p.) |
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Collana |
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Altri autori (Persone) |
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NickensHenry Valma <1947-> |
WellsMichael R |
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Disciplina |
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Soggetti |
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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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Cover; Table of contents; CHAPTER 1: INTRODUCTION; 1.1 INTRODUCTION; 1.2 MULTIPHASE FLOW IN A GAS WELL; 1.3 WHAT IS |
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LIQUID LOADING?; 1.4 PROBLEMS CAUSED BY LIQUID LOADING; 1.5 DELIQUIFYING TECHNIQUES PRESENTED; 1.6 SOURCE OF LIQUIDS IN A PRODUCING GAS WELL; 1.7 REFERENCES; CHAPTER 2: RECOGNIZING SYMPTOMS OF LIQUID LOADING IN GAS WELLS; 2.1 INTRODUCTION; 2.2 PRESENCE OF ORIFICE PRESSURE SPIKES; 2.3 DECLINE CURVE ANALYSIS; 2.4 DROP IN TUBING PRESSURE WITH RISE IN CASING PRESSURE; 2.5 PRESSURE SURVEY SHOWING LIQUID LEVEL; 2.6 WELL PERFORMANCE MONITORING; 2.7 ANNULUS HEADING |
5.9 HANGING OFF SMALLER TUBING FROM THE CURRENT TUBING5.10 SUMMARY; 5.11 REFERENCES; CHAPTER 6: COMPRESSION; 6.1 INTRODUCTION; 6.2 COMPRESSION HORSEPOWER AND CRITICAL VELOCITY; 6.3 SYSTEMS NODAL ANALYSIS AND COMPRESSION; 6.4 THE EFFECT OF PERMEABILITY ON COMPRESSION; 6.5 PRESSURE DROP IN COMPRESSION SUCTION; 6.6 WELLHEAD VERSUS CENTRALIZED COMPRESSION; 6.7 DOWNSTREAM GATHERING AND COMPRESSION'S EFFECT ON UPLIFT FROM DELIQUIFYING INDIVIDUAL GAS WELLS; 6.8 COMPRESSION ALONE AS A FORM OF ARTIFICIAL LIFT; 6.9 COMPRESSION WITH FOAMERS; 6.10 COMPRESSION AND GAS LIFT |
6.11 COMPRESSION WITH PLUNGER LIFT SYSTEMS6.12 COMPRESSION WITH BEAM PUMPING SYSTEMS; 6.13 COMPRESSION WITH ESP SYSTEMS; 6.14 TYPES OF COMPRESSORS; 6.15 GAS JET COMPRESSORS OR EJECTORS; 6.16 OTHER COMPRESSORS; 6.17 SUMMARY; 6.18 REFERENCES; CHAPTER 7: PLUNGER LIFT; 7.1 INTRODUCTION; 7.2 PLUNGERS; 7.3 PLUNGER CYCLE; 7.4 PLUNGER LIFT FEASIBILITY; 7.5 PLUNGER SYSTEM LINE-OUT PROCEDURE; 7.6 PROBLEM ANALYSIS; 7.7 TWO-PIECE PLUNGER: TYPE OF CONTINUOUS FLOW PLUNGER; 7.8 SELECTION OF PLUNGER; 7.9 CASING PLUNGER FOR WEAK WELLS; 7.10 PLUNGER WITH SIDE STRING: LOW PRESSURE WELL PRODUCTION |
7.11 PLUNGER SUMMARY |
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Sommario/riassunto |
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Liquid loading can reduce production and shorten the lifecycle of a well costing a company millions in revenue. A handy guide on the latest techniques, equipment, and chemicals used in de-watering gas wells, Gas Well Deliquification, 2nd Edition continues to be the engineer's choice for recognizing and minimizing the effects of liquid loading. The 2nd Edition serves as a guide discussing the most frequently used methods and tools used to diagnose liquid loading problems and reduce the detrimental effects of liquid loading on gas production. With new extensive chapters on Coal Bed Metha |
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