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1. |
Record Nr. |
UNINA9910822704303321 |
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Titolo |
Algorithmic probability and combinatorics : AMS Special Sessions on Algorithmic Probability and Combinatorics, October 5-6, 2007, DePaul University, Chicago, Illinois : October 4-5, 2008, University of British Columbia, Vancouver, BC, Canada / / Manuel E. Lladser [and three others], editors |
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Pubbl/distr/stampa |
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Providence, Rhode Island : , : American Mathematical Society, , [2010] |
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©2010 |
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ISBN |
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0-8218-8199-X |
0-8218-4783-X |
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Descrizione fisica |
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1 online resource (251 p.) |
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Collana |
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Contemporary mathematics, ; 520 , 0271-4132 |
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Disciplina |
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Soggetti |
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Combinatorial analysis |
Approximation theory |
Mathematical statistics |
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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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Walks with small steps in the quarter plane / Mireille Bousquet-Mélou and Marni Mishna -- Quantum random walk on the integer lattice : examples and phenomena / Andrew Bressler ... [et al.] -- A case study in bivariate singularity analysis / Timothy DeVries -- Asymptotic normality of statistics on permutation tableaux / Paweł Hitczenko and Svante Janson -- Rotor walks and Markov chains / Alexander E. Holroyd and James Propp -- Approximate enumeration of self-avoiding walks / E.J. Janse van Rensburg -- Fuchsian differential equations from modular arithmetic / Iwan Jensen -- Random pattern-avoiding permutations / Neal Madras and Hailong Liu -- Analytic combinatorics in d variables : an overview / Robin Pemantle -- Asymptotic expansions of oscillatory integrals with complex phase / Robin Pemantle and Mark C. Wilson. |
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2. |
Record Nr. |
UNINA9910815150103321 |
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Autore |
Stocker Paul <1950-> |
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Titolo |
A student grammar of German / / Paul Stocker |
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Pubbl/distr/stampa |
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Cambridge : , : Cambridge University Press, , 2012 |
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ISBN |
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1-107-22546-9 |
1-139-36555-X |
1-280-87899-1 |
9786613720306 |
1-139-37808-2 |
1-139-02878-2 |
1-139-37522-9 |
1-139-37123-1 |
1-139-37951-8 |
1-139-37665-9 |
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Descrizione fisica |
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1 online resource (xi, 262 pages) : digital, PDF file(s) |
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Disciplina |
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Soggetti |
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German language - English |
German language - Grammar |
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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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Nota di bibliografia |
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Includes bibliographical references and index. |
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Nota di contenuto |
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Cover; A Student Grammar of German; Title; Copyright; Contents; 'TIP' boxes; Acknowledgements; Introduction; 1 Cases; 1.1 The cases; 1.1.1 The nominative case; 1.1.2 The accusative case; 1.1.3 The genitive case; 1.1.4 Genitive replaced by dative; 1.1.5 The dative case; 1.2 Apposition; 2 Nouns; 2.1 The gender of nouns; 2.1.1 Which gender?; 2.1.2 Masculine nouns; 2.1.3 Feminine nouns; 2.1.4 Neuter nouns; 2.1.5 Other endings and prefixes; 2.1.6 Homonyms: identical nouns with different genders/meanings; 2.1.7 Gender agreement with nouns and pronouns; 2.1.8 Gender issues with nouns and pronouns |
2.2 The plural of nouns; 2.2.1 Summary of plural endings; 2.2.2 Masculine nouns; 2.2.3 Feminine nouns; 2.2.4 Neuter nouns; 2.2.5 Plurals ending with -s; 2.2.6 Other plural forms; 2.2.7 Nouns which have two plural forms; 2.2.8 Nouns which are plural in German but |
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singular in English; 2.2.9 Nouns which are usually plural in English but singular in German; 2.2.10 Nouns which have singular and plural forms in German; 2.2.11 Plural agreement; 2.3 The declension of nouns; 2.3.1 Case endings on nouns; 2.3.2 Weak masculine nouns; 2.3.3 Declension of names and proper nouns; 3 Determiners |
3.1 The definite and indefinite articles; 3.1.1 The definite article: der, die, das; 3.1.2 The indefinite article: ein ,eine, ein, andkein, keine, kein, plural keine; 3.2 The use of the article; 3.2.1 Article used in German but omitted in English; 3.2.2 Article omitted in German but used in English; 3.2.3 Other variations; 3.3 Demonstrative determiners; 3.3.1 dieser this, these; jener that, those; 3.3.2 solcher such (a); 3.3.3 derjenige/diejenige/dasjenige the one who/which; 3.3.4 derselbe/dieselbe/dasselbe the same; 3.4 Possessive determiners; 3.5 Interrogative determiners |
3.5.1 welcher/welche/welches which; 3.5.2 was für what kind of; 3.6 Indefinite determiners; 3.6.1 all, alles, alle all, everybody; 3.6.2 ganz all, whole; 3.6.3 beide both; 3.6.4 einige some; 3.6.5 ein bisschen, ein wenig a little, a bit; 3.6.6 ein paar a few; 3.6.7 etwas some, any; 3.6.8 irgendeiner, irgendwelcher some ... or other; 3.6.9 jeder each, every; 3.6.10 manche(r) some, many a; 3.6.11 mehrere several; 3.6.12 sämtliche all; 3.6.13 viel/viele lots/many, wenig/wenige a little/a few; 3.6.14 welcher/welche/welches which; 3.6.15 Indefinite determiners + adjectives + noun |
3.7 Determiners and pronouns: a summary; 4 Pronouns; 4.1 Personal pronouns; 4.1.1 The forms of the personal pronouns; 4.1.2 The use of the personal pronouns; 4.1.3 The pronoun es - some special uses; 4.1.4 Pronouns used with prepositions; 4.2 Reflexive pronouns; 4.2.1 Reflexive object pronouns; 4.2.2 selbst/selber myself, yourself, himself; 4.2.3 sich/einander each other, one another (the reciprocal pronoun); 4.3 Demonstrative pronouns; 4.3.1 der, die, das that; 4.3.2 dieser this (one), jener that (one); 4.3.3 solcher such (a); 4.3.4 derjenige/diejenige/dasjenige the one who/which; 4.4 Possessive pronouns |
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Sommario/riassunto |
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A Student Grammar of German is an invaluable reference guide for undergraduates and other intermediate and advanced students. Written with the needs of the learner very much in mind, it sets out the grammar of the language in a clear and jargon-free way. Each chapter starts with an overview of the main grammatical terminology and concepts; these terms are also cross-referenced in the glossary at the end of the book. To provide a visual guide through each chapter, the main points in each section are highlighted, and tables summarise important patterns. 'Tip' boxes, which help the student to master particular points, are scattered through the text. Every point has numerous illustrative examples, each with its translation, carefully chosen from a wide range of printed and electronic media - books, newspapers, magazines, film and chat-rooms - to reflect contemporary usage across a range of registers. |
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3. |
Record Nr. |
UNINA9910254536103321 |
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Autore |
Klein Hans-Martin |
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Titolo |
Clinical Low Field Strength Magnetic Resonance Imaging : A Practical Guide to Accessible MRI / / by Hans-Martin Klein |
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Pubbl/distr/stampa |
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Cham : , : Springer International Publishing : , : Imprint : Springer, , 2016 |
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ISBN |
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9783319165165 |
3-319-16515-1 |
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Edizione |
[1st ed. 2016.] |
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Descrizione fisica |
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1 online resource (166 p.) |
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Disciplina |
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Soggetti |
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Radiology |
Surgery |
Neurology |
Diagnostic Radiology |
Neurology |
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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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Introduction -- Site planning: Room Planning -- RF Protection -- Energy Supply -- Cooling Supply -- magnet Installation -- Safety Considerations: Static Field -- Gradient Field -- RF Field -- Coils: Solenoid / Helmholtz Coils -- Send-/Receive Coils -- Phased Array Coils -- Multi-Channel Technology -- Imaging Technique: k-space -- Image resolution -- Signal-Noise Ratio / Contract-Noise Ratio -- Imaging time -- Spin Echo -- Fast Spin Echo -- Fast Gradient Echo -- Hybrid Imaging -- 3D Imaging -- Gradient Performance -- Fat saturation -- Diffusion Imaging -- Angiographic techniques -- Contrast Agents -- Image Quality Optimization: Number of excitations -- Slice Thickness -- Slice profile -- Interlacing -- Slice Orientation -- Field of view -- Matrix -- Partial Fourrier -- Interpolation -- Parallel Imaging -- Artifacts -- Postprocessing -- Clinical Imaging: Head -- Spine -- Joints -- Vascular Imaging -- Neck -- Thorax -- Abdomen -- Functional Imaging -- Cardiac Imaging -- Future Developments. |
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Sommario/riassunto |
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This book covers all aspects of low field MRI, describing its advantages, |
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problems, and prerequisites. Individual chapters are devoted to site planning, safety considerations, coils, imaging technique, image quality optimization, the imaging of different anatomic regions, and likely future developments. The factors that must be borne in mind when selecting a low field system are clearly identified, and detailed attention is paid to the applications for which such a system is adequate. The focus on high field systems has led to a situation where only a few systems with field strengths lower than 0.5 T survive. Some of these systems possess high field features such as multichannel coils and strong gradients; furthermore, sequence technology and image processing techniques taken from higher field strength systems have resulted in impressive imaging capabilities. While 1.5-T systems will probably continue to remain the standard, low field systems offer advantages such as the feasibility of dynamic joint examinations, improvement of T1 contrast, reduction of “missile effects”, and decreased radiofrequency exposure. Low field strength MRI consequently has the potential to contribute to optimal patient management and, given comparable image quality, its application may become an issue of patient safety. This book will be an invaluable asset to all who are involved in planning and/or running a low field strength MRI facility. |
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4. |
Record Nr. |
UNINA9911007095303321 |
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Autore |
Harrison John P |
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Titolo |
ENGINEERING ROCK MECHANICS [[electronic resource] ] : AN INTRODUCTION TO THE PRINCIPLES |
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Pubbl/distr/stampa |
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Burlington, : Elsevier Science, 2000 |
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ISBN |
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Descrizione fisica |
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1 online resource (457 p.) |
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Altri autori (Persone) |
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Disciplina |
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Soggetti |
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Rock mechanics |
Civil & Environmental Engineering |
Engineering & Applied Sciences |
Civil Engineering |
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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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Front Cover; Engineering rock mechanics: an introduction to the principles; Copyright Page; Contents; Preface; Chapter 1. Introduction; 1.1 The subject of rock mechanics; 1.2 Content of this book; Chapter 2. Geological setting; 2.1 Rock as an engineering material; 2.2 Natural rock environments; 2.3 The influence of geological factors on rocks and rock masses; Chapter 3. Stress; 3.1 Why study stress in rock mechanics and rock engineering?; 3.2 The difference between a scalar, a vector and a tensor; 3.3 Normal stress components and shear stress components; 3.4 Stress as a point property |
3.5 The stress components on a small cube within the rock3.6 The symmetry of the stress matrix; 3.7 The state of stress at a point has six independent components; 3.8 The principal stresses; 3.9 All unsupported excavation surfaces are principal stress planes; 3.10 Concluding remarks; Chapter 4. In situ stress; 4.1 Why determine in situ stress?; 4.2 Presentation of in situ stress state data; 4.3 Methods of stress determination; 4.4 Statistical analysis of stress state data; 4.5 The representative elemental volume for stress |
4.6 Predictions of natural in situ stress states based on elasticity theory4.7 Collated worldwide in situ stress data; 4.8 Reasons for high horizontal stresses; 4.9 Effect of discontinuities on the proximate state of stress; 4.10 Glossary of terms related to stress states in rock |
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masses; Chapter 5. Strain; 5.1 Finite strain; 5.2 Examples of homogeneous finite strain; 5.3 Infinitesimal strain; 5.4 The strain tensor; 5.5 The elastic compliance matrix; 5.6 Implications for in situ stress; Chapter 6. Intact rock; 6.1 The background to intact rock testing |
6.2 The complete stress-strain curve in uniaxial compression6.3 Soft, stiff and servo-controlled testing machines; 6.4 Specimen geometry, loading conditions and environmental effects; 6.5 Failure criteria; 6.6 Concluding remarks; Chapter 7. Discontinuities; 7.1 The occurrence of discontinuities; 7.2 Geometrical properties of discontinuities; 7.3 Mechanical properties; 7.4 Discussion; Chapter 8. Rock masses; 8.1 Deformability; 8.2 Strength; 8.3 Post-peak strength behaviour; Chapter 9. Permeability; 9.1 Fundamental definitions; 9.2 Primary and secondary permeability |
9.3 Flow through discontinuities9.4 Flow through discontinuity networks; 9.5 Scale effect; 9.6 A note on effective stresses; 9.7 Some practical aspects: grouting and blasting; Chapter 10. Anisotropy and inhomogeneity; 10.1 Definitions; 10.2 Anisotropy; 10.3 Inhomogeneity; 10.4 Ramifications for analysis; Chapter 11. Testing techniques; 11.1 Access to the rock; 11.2 Tailoring testing to engineering requirements; 11.3 Tests on intact rock; 11.4 Tests on discontinuities; 11.5 Tests on rock masses; 11.6 Standardized tests; Chapter 12. Rock mass classification; 12.1 Rock Mass Rating (RMR) system |
12.2 Q-system |
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Sommario/riassunto |
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Engineering rock mechanics is the discipline used to design structures built in rock. These structures encompass building foundations, dams, slopes, shafts, tunnels, caverns, hydroelectric schemes, mines, radioactive waste repositories and geothermal energy projects: in short, any structure built on or in a rock mass. Despite the variety of projects that use rock engineering, the principles remain the same. Engineering Rock Mechanics clearly and systematically explains the key principles behind rock engineering. The book covers the basic rock mechanics principles; how to study the inte |
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