Imbedding Methods in Applied Mathematics / J. Casti and R. Kalaba

• Record Nr.: UNINA990000836270403321
• Autore: Casti, John L.
• Pubbl/distr/stampa: Massachusetts : Addison-Wesley, 1973
• ISBN: 0201009196
• Descrizione fisica: XIV, 306 p. ; 23 cm
• Collana: Applied mathematics and computation ; 2
• Disciplina: 515.62
• Locazione: FINBN
• Collocazione: 02 43 F 19
• Lingua di pubblicazione: Inglese
• Formato: Materiale a stampa
• Livello bibliografico: Monografia

Microsoft C/C++ 7 developer's guide / N. Barkakati

• Record Nr.: UNINA990000863590403321
• Autore: Barkakati, Nabajyoti
• Pubbl/distr/stampa: Carmael : SAMS Publishing, 1992
• ISBN: 0-672-27395-0
• Descrizione fisica: XXIII, 1467 p. ; 23 cm
• Disciplina: 005.1
• Locazione: FINBN
• Collocazione: 02 51 C 53
• Lingua di pubblicazione: Inglese
• Formato: Materiale a stampa
• Livello bibliografico: Monografia

[Writing tables with a kalender for xxiiii. yeeres [[electronic resource] ] : The tables made by J. Hammond.]

• Record Nr.: UNISA996391148303316
• Autore: Hammond John <fl. 1618.>
• Pubbl/distr/stampa: [S.l., : For the Company of Stationers, after 1625]
• Descrizione fisica: [54] p
• Soggetti: Almanacs - England; Great Britain - History - Charles I, 1625-1649
• Lingua di pubblicazione: Inglese
• Formato: Materiale a stampa
• Livello bibliografico: Monografia
• Note generali: Title page lacking ; title suggested by STC (2nd ed.).; Printer and date of publication suggested by STC (2nd ed.).; Signatures: A-D⁸; imperfect: A₁, A₂, A₃, D₁ and D₃ lacking; considerable print show-through, and some leaves mutilated.; Events end in 1625, with Charles I's marriage to Henrietta Maria.; Reproduction of original in: Folger Shakespeare Library
• Sommario/riassunto: eebo-0055

Fundamental design of steelmaking refractories / / Debasish Sarkar

• Record Nr.: UNINA9910830596303321
• Autore: Sarkar Debasish <1972->
• Pubbl/distr/stampa: Hoboken, NJ : , : John Wiley & Sons, Inc., , 2023; ©2023
• ISBN: 9781119790730
• Descrizione fisica: xix, 507 pages : illustration; ; 24 cm
• Soggetti: Refractory materials; Steel - Metallurgy
• Lingua di pubblicazione: Inglese
• Formato: Materiale a stampa
• Livello bibliografico: Monografia
• Nota di bibliografia: Includes bibliographical references and index.
• Nota di contenuto: Intro -- Fundamental Design of Steelmaking Refractories -- Contents -- Preface -- Acknowledgment -- About Author -- 1 Heat and Mass Transfer -- 1.1 Introduction -- 1.2 Energy Conservation -- 1.3 Conduction -- 1.3.1 Basic Concept and Properties -- 1.3.2 One-Dimensional Steady-state Conduction -- 1.3.3 Two-Dimensional Steady-state Conduction -- 1.4 Convection -- 1.4.1 Boundary Layers -- 1.4.2 Laminar and Turbulent Flow -- 1.4.3 Free and Forced Convection -- 1.4.4 Flow in Confined Region -- 1.5 Radiation -- 1.5.1 Basic Concepts -- 1.5.2 Emission from Real Surfaces -- 1.5.3 Absorption, Reflection, and Transmission by Real Surfaces -- 1.5.4 Exchange Radiation -- 1.6 Mass Transfer -- 1.6.1 Convection Mass Transfer -- 1.6.2 Multiphase Mass Transfer -- 1.6.3 Analogy-Heat, Mass, and Momentum Transfer -- 1.7 Heat Transfer in Refractory Lining -- 1.7.1 Tunnel Kiln -- 1.7.2 Ladle Lining -- References -- 2 Equilibrium and Nonequilibrium Phases -- 2.1 Introduction -- 2.2 Basics of Phase Diagram -- 2.2.1 Gibb's Phase Rule -- 2.2.2 Binary Phase Diagram and Crystallization -- 2.2.3 Ternary Phase Diagram and Crystallization -- 2.2.4 Alkemade Lines -- 2.3 One-Component Phase Diagrams -- 2.3.1 Water -- 2.3.2 Quartz -- 2.4 Two-Component Phase Diagrams -- 2.4.1 Fe-C -- 2.4.2 Two Oxides Phase Diagrams -- 2.5 Three-Component Phase Diagrams -- 2.5.1 Three Oxides Phase Diagrams -- 2.5.2 FeO-SiO2-C -- 2.6 Nucleation and Crystal Growth ; -- 2.6.1 Homogenous and Heterogeneous Nucleation -- 2.6.2 Crystal Growth Process -- 2.7 Nonequilibrium Phases -- References -- 3 Packing, Stress, and Defects in Compaction -- 3.1 Introduction -- 3.2 Refractory Grading and Packing -- 3.2.1 Binary and Ternary System -- 3.2.2 Particle Morphology and Mechanical Response -- 3.2.3 Nanoscale Particles and Mechanical Response -- 3.2.4 Binder and Mixing on Packing.; 3.3 Stress-Strain during Compaction -- 3.4 Agglomeration and Compaction -- 3.5 Uniaxial Pressing -- 3.6 Cold Isostatic Pressing -- 3.7 Defects in Shaped Refractories -- References -- 4 Degree of Ceramic Bonding -- 4.1 Introduction -- 4.2 Importance of Heating Compartment -- 4.2.1 Loading and Heating -- 4.2.2 Heat Distribution -- 4.2.3 Temperature Conformity -- 4.3 Initial Stage Sintering -- 4.3.1 Sintering Mechanisms of Two-particle Model -- 4.3.2 Atomic Diffusion -- 4.3.3 Sintering Kinetics -- 4.3.4 Sintering Variables -- 4.3.5 Limitations of Initial Stage of Sintering -- 4.4 Intermediate and Final Stage Sintering -- 4.4.1 Intermediate Stage Model -- 4.4.2 Final Stage Model -- 4.4.3 Influence of Entrapped Gases -- 4.5 Microstructure Alteration -- 4.5.1 Recrystallization and Grain Growth -- 4.5.2 Grain Growth: Normal and Abnormal -- 4.5.3 Pores and Secondary Crystallization -- 4.6 Sintering with Low Melting Constituents -- 4.7 Bonding Below 1000 °C -- 4.7.1 Organic Binder -- 4.7.2 Inorganic Binder -- 4.7.3 Carbonaceous Binder -- References -- 5 Thermal and Mechanical Behavior -- 5.1 Introduction -- 5.2 Mechanical Properties -- 5.2.1 Elastic Modulus -- 5.2.2 Hardness -- 5.2.3 Fracture Toughness -- 5.2.4 Strength -- 5.2.5 Fatigue -- 5.3 Cracking -- 5.3.1 Theory of Brittle Fracture -- 5.3.2 Physics of Fracture -- 5.3.3 Spontaneous Microcracking -- 5.4 Thermal Properties -- 5.4.1 Stress Anisotropy and Magnitude -- 5.4.2 Thermal Conductivity -- 5.4.3 Thermal Expansion -- 5.4.4 Thermal Shock -- 5.4.5 Thermal Stress Distribution -- 5.5 Thermomechanical Response -- 5.5.1 Refractoriness under Load -- 5.5.2 Creep in Compression (CIC) -- 5.5.3 Hot Modulus of Rupture -- 5.6 Wear -- 5.6.1 System-dependent Phenomena -- 5.6.2 Adhesive -- 5.6.3 Abrasive -- 5.6.4 Erosive -- 5.6.5 Oxidative -- References -- 6 High Temperature Refractory Corrosion -- 6.1 Introduction.; 6.2 Thermodynamic Perceptions -- 6.3 Effect of Temperature and Water Vapor -- 6.4 Slag-Refractory Interactions -- 6.4.1 Diffusion in Solids -- 6.4.2 Oxidation -- 6.4.3 Infiltration -- 6.4.4 Dissolution -- 6.4.5 Crystallite Alteration -- 6.4.6 Endell, Fehling, and Kley Model -- 6.5 Phenomenological Approach and Slag Design -- 6.5.1 Refractory Solubility -- 6.5.2 Slag Composition and Volume Optimization -- References -- 7 Operation and Refractories for Primary Steel -- 7.1 Introduction -- 7.2 Operational Features in BOF -- 7.2.1 Charging and Blowing -- 7.2.2 Mode of Blowing -- 7.2.3 Physicochemical Change in BOF -- 7.2.4 Tapping -- 7.2.5 Slag Formation -- 7.3 Operational Features in EAF -- 7.4 Refractory Designing and Lining -- 7.4.1 Steel Chemistry and Slag Composition -- 7.4.2 Thermal and Mechanical Stress -- 7.4.3 Refractory Lining and Corrosive Wear -- 7.4.4 Refractory Composition and Properties -- 7.5 Refractory Maintenance Practice -- 7.6 Philosophy to Consider Raw Materials -- 7.7 Microstructure-dependent Properties of Refractories -- 7.7.1 Microstructure Deterioration Inhibition to Improve Slag Corrosion Resistance -- 7.7.2 Slag Coating to Protect the Working Surface -- 7.7.3 Microstructure Reinforcement by Evaporation-Condensation of Pitch -- 7.7.4 Whisker Insertion to Reinforce Microstructure -- 7.7.5 Fracture Toughness Enhancement and Crack Propagation Inhibition -- References -- 8 Operation and Refractories for Secondary Steelmaking ; -- 8.1 Introduction -- 8.2 Steel Diversity, Nomenclature, and Use -- 8.3 Vessels for Different Grades of Steel -- 8.4 Operational Features of Vessels -- 8.4.1 Ladle Furnace (LF) -- 8.4.2 Argon Oxygen Decarburization (AOD) -- 8.4.3 Vacuum Ladle Degassing Process -- 8.4.4 Stirring and Refining Process in Degassing -- 8.4.5 Composition Adjustment by Sealed Ar Bubbling with Oxygen Blowing (CAS-OB).; 8.4.6 RH Snorkel -- 8.5 Designing Aspects of Refractories -- 8.6 Refractories for Working Lining -- 8.6.1 Magnesia-Carbon Refractories -- 8.6.2 Alumina-Magnesia-Carbon Refractories -- 8.6.3 Dolo-Carbon Refractories -- 8.6.4 Magnesia-chrome (MgO-Cr2O3) -- 8.6.5 Spinel Bricks -- References -- 9 Precast and Purging System -- 9.1 Introduction -- 9.2 Composition Design of Castables -- 9.2.1 Choice of Raw Materials and Properties -- 9.2.2 Choice of Binders -- 9.2.3 Aggregates Grading -- 9.2.4 On-site Castable Casting -- 9.3 Precast-Shape Design and Manufacturing -- 9.4 Precast Shapes and Casting -- 9.5 Purging Plugs -- 9.5.1 Plug Design and Refractory -- 9.5.2 Gas Purging -- 9.5.3 Installation and Maintenance -- 9.5.4 Clogging and Corrosion -- References -- 10 Refractories for Flow Control -- 10.1 Introduction -- 10.2 First-Second-Third Generation Slide Gate -- 10.3 New Generation Ladle Slide Gate System -- 10.4 Ladle Slide Gate Plate -- 10.4.1 Critical Design Parameters -- 10.4.2 Selection of Slide Plate and Fixing -- 10.4.3 Materials and Fabrication of SGP -- 10.4.4 Mode of Failures -- 10.4.5 FEA for Stress and Cracking -- 10.5 Tundish Slide Gate and Plate -- 10.5.1 Modern Slide Gate and Refractory Assembly -- 10.5.2 Materials and Fabrication -- 10.5.3 Cracking and Corrosion Phenomena -- 10.6 Short Nozzles for Ladle and Tundish -- 10.7 Nozzle Diameter and Gate Opening in Flow -- References -- 11 Refractories for Continuous Casting -- 11.1 Introduction -- 11.2 Importance of Long Nozzles in Steel Transfer -- 11.2.1 Furnace to Ladle Transfer -- 11.2.2 Ladle to Tundish Transfer -- 11.2.3 Tundish to Mold Transfer -- 11.3 Tundish Lining -- 11.3.1 Lining and Failure -- 11.3.2 Lining Improvement and Maintenance -- 11.4 Ladle Shroud (LS) -- 11.4.1 Design and Geometry -- 11.4.2 Failures, Materials and Processing -- 11.4.3 Operational Practice.; 11.4.4 Flow Pattern -- 11.5 Mono Block Stopper -- 11.5.1 Preheating Schedule -- 11.5.2 Installation -- 11.5.3 Failures -- 11.5.4 Glazing -- 11.6 Submerged-Entry Nozzle -- 11.6.1 Installation and Failures -- 11.6.2 SEN Fixing for Thin Slab Caster -- 11.6.3 SES Installation and Failures -- 11.6.4 Corrosion and Clogging -- References -- 12 Premature Refractory Life by Other Parameters -- 12.1 Introduction -- 12.2 Refractory Manufacturing Defects -- 12.2.1 Consistence Raw Material -- 12.2.2 Processing Parameters -- 12.2.3 Pressing and Firing -- 12.3 Packing and Transport -- 12.3.1 Packaging and Packing Material -- 12.3.2 Vibration-free Packaging -- 12.3.3 Loading, Transporting, and Unloading -- 12.4 Procurement and Lining Failures -- 12.4.1 Total Cost of Ownership Concept -- 12.4.2 Preliminary Features of Lining -- 12.4.3 Workmanship -- 12.5 Preventive Maintenance in Operation -- 12.5.1 Professional Service -- 12.5.2 Slag Composition, Temperature, and Viscosity -- 12.5.3 Monitor and Maintenance of Lining -- 12.6 Consistent Supply and Time Management -- 12.6.1 Cycle Concept -- 12.6.2 Pull/Push Concept -- References -- Index -- EULA.
• Sommario/riassunto: "The first part of the book accentuates the valuable basics of 'Heat and Mass Transfer', 'Equilibrium and Non-equilibrium phases', 'Packing and Stress in Compaction', 'Degree of Ceramic Bonding', 'Thermal and Mechanical Behavior', and 'High Temperature Corrosion' including relevant finite element analysis in the perception of composition design, manufacturing, and failure mechanism of steelmaking ; refractories. While considering the steelmaking refractories, a detailed 'Refractories for Primary Steel Making', 'Refractories for Secondary Steel Making', 'Refractories for Precast and Purging System', 'Refractories for Flow Control', 'Refractories for Continuous Casting', and 'Premature Refractory Life by Other Parameters', are essential to acme. These issues have been discussed in the second half of the book to fulfill the academic demand of undergraduate, postgraduate, and research scholars of ceramic engineering, metallurgical engineering, and mechanical engineering outlets who want to nurture in the refractory and steel sectors. The description of such cumulative basic knowledge, collective shop floor data, and relevant failure analysis criteria makes sense and eventually stimulates the awareness of how to grasp and analyze a particular class of refractory for steelmaking. Refractory production, as fighting fit as their consumption, includes a certain degree of heat and mass transfer. Preliminary from the thermodynamics, heat and mass transfer mechanisms are being described, and eventually, an analogy is drawn in Chapter 1. In-situ phase formation during manufacturing and transformation in the presence of impurities are common phenomena in refractory, and thus fundamentals of binary and ternary equilibrium phases and non-equilibrium phases are described in Chapter 2. Optimum compaction and load are a prerequisite to press organic-bonded refractories. A low load regime results in low green density, whether high load beyond critical stress consequences spring back and expedite lamination that eventually produces defect and early stage failure during the maneuver. Such phenomena are deliberated in Chapter 3. Industrial-scale production demands a uniform temperature distribution throughout the kiln to form adequate ceramic bonding or sintering of compact mass otherwise results in premature refractory failure. In this regard, Chapter 4 describes the initial and final stages of sintering, densification, grain growth, and their shape in the matrix. Even with refractory processing failure, meticulous thermal and mechanical stress cracking, severe wear aggravated by abrasion, and corrosion are unavoidable in refractory practice and applications. In these concerns, Chapter 5 highlights the thermal and mechanical behavior, and Chapter 6 underscores the high temperature corrosion mechanism with a relevant model"--

Chinese Migrant Parents and Complementary Schooling in Germany : A Sociolinguistic Ethnography / / Jiayin Li-Gottwald

• Record Nr.: UNINA9910557840803321
• Autore: Li-Gottwald Jiayin, Dr.
• Pubbl/distr/stampa: Leverkusen, : Barbara Budrich Academic Press GmbH, 2022
• ISBN: 3-96665-948-4
• Edizione: [1st ed.]
• Descrizione fisica: 1 electronic resource (244 p.)
• Disciplina: 305.7951043
• Soggetti: Eltern; parents; social relations; soziale Beziehungen; social interactions; soziale Interaktion; social capital; Sozialkapital; complementary school; Ergänzungsschule; Bildungschancen; educational chance; belonging; Zugehörigkeit; migration; Migration; China; Deutschland; Germany; parental social relations and social interactions; soziale Beziehungen und soziale Interaktionen von Eltern
• Lingua di pubblicazione: Inglese
• Formato: Materiale a stampa
• Livello bibliografico: Monografia
• Nota di contenuto: Introduction Chapter 1 A first glimpse of Chinese Migrants in Germany and Complementary Schools 1.1 Introduction 1.2 Chinese migration in Germany 1.2.1 The history of Chinese migration in Germany 1.2.2 Chinese immigrants in Germany 1.3 Complementary schooling 1.3.1 Defining complementary schooling 1.3.2 An overview of the literature 1.3.3 The research context: Complementary schools in Germany 1.3.4 The Gap Chapter Chapter 2 The Notions of Social Capital and the Relatedness to the Concept of Guanxi 2.1 Introduction 2.2 Three notions of social capital 2.2.1 Class-based notion of social capital 2.2.2 social capital and civic engagement 2.2.3 social capital and youth education 2.3 Guanxi and its relatedness to social capital Chapter Chapter 3 Research design and methodology 3.1 Introduction 3.2 Research philosophical stance 3.3 Research methodology 3.3.1 Qualitative study 3.3.2 Ethnographically orientated multilingual research 3.4 Research design 3.4.1 The local context – Hua Hua School 3.4.2 The participant groups 3.4.3 Researcher and the researched 3.5 Data collection design 3.5.1 Method of data collection: Participant observation 3.5.2 Data collection tools 3.6 Data analysis 3.6.1 Poststructuralist perspectives 3.6.2 Approach 3.6.3 Analysing the data Chapter Chapter 4 The Networkers 4.1 Introduction 4.2 Overview of the participants 4.3 An overview of group relations 4.3.1 Forming the Networker group on Saturday mornings 4.3.2 The interaction patterns and group relations 4.4 The main themes 4.4.1 Friendship and group solidarity 4.4.2 Engagement with the local Chinese community 4.4.3 Engagement with German society 4.4.4 The maintenance of Mandarin language and Chinese ties for their children 4.4.5 The navigation of parenthood 4.4.6 Business and job opportunities Chapter 5 The High-Profiles 5.1 Introduction 5.2 Overview of the participants 5.3 An overview of group relations 5.3.1 Forming the High-Profile group on Saturday afternoons 5.3.2 The interaction patterns and group relations 5.3.3 High social status at the school 5.4 The six main themes 5.4.1 Maintenance of the shared history in China 5.4.2 Friendship and group solidarity 5.4.3 Engagement with the local Chinese community 5.4.4 Engagement with local German society 5.4.5 The navigation of parenthood 5.4.6 Business and job opportunities Chapter Chapter 6 The Marginalised 6.1 Introduction 6.2 Overview of the participants 6.3 An overview of the group 6.3.1 Forming the group on Saturday mornings 6.3.2 The interaction patterns and group relations 6.3.3 Low social status at the school 6.4 The five themes 6.4.1 Group belonging and solidarity 6.4.2 Alternative engagement with the local Chinese community mediate through their children 6.4.3 Engagement with German society 6.4.4 The maintenance of various Chinese linguistic forms and rural Chinese values 6.4.5 The navigation of parenthood Chapter 7 A site of safe space, the reproduction of social order and Guanxi 7.1 Introduction 7.2 The most significant findings 7.2.1 A safe site for group solidarity, friendship and trust 7.2.2 Engagement with the local Chinese community 7.2.3 Engagement with German society 7.2.4 Construction of parenthood 7.2.5 Hua Hua School – a microcosm of the reproduction of social order 7.3 A Chinese interpretation 7.4 Conclusion Chapter 8 Guanxi and the significant of social capital in the Chinese complementary school 8.1 Introduction 8.2 Revisiting the Questions for the Study 8.2.1 The nature of the social relationships: emotional bonds, group belonging, solidarity and trust 8.2.2 Facilitating social status and life chances 8.2.3 The significance of social capital in complementary ; school settings for first-generation migrant parents 8.3 Limitations and further research 8.4 Contributions 8.5 Final conclusion Afterward Bibliography
• Sommario/riassunto: Wie kooperieren Eltern miteinander, welchen Wert messen sie ihrer Interaktion bei und wie hängt der Grad der Kooperation mit dem sozialen Status und zusammen? Die Studie nimmt die sozialen Beziehungen zwischen verschiedenen Gruppen chinesischer Eltern an einer chinesischen Mandarin-Sprachschule in einer Großstadt in Deutschland unter die Lupe. Mit Hilfe eines ethnographischen Ansatzes wird ein lebendiges Bild der elterlichen sozialen Interaktionen innerhalb und außerhalb des chinesischen Schulumfelds gezeichnet. Die Studie zeigt die Bedeutung sozialer Interaktionen auf und erörtert sie im Zusammenhang mit dem sozioökonomischen Hintergrund ihrer Migrationsverläufe How do parents cooperate with each other, what value do they attach to their interaction and how is the degree of cooperation related to social status? The study takes a close look at the social relationships among various groups of Chinese parents at a Chinese Mandarin language school in a metropolitan city in Germany. Taking an ethnographic approach, it captures a vivid picture of the parental social interactions in and outside the Chinese school setting. The study reveals the significance of social interactions, discussing it in relation to the parents’ socioeconomic backgrounds and individual migrant trajectories.