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Ordered Regression Models - Parallel, Partial, and Non-Parallel Alternatives (Paperback): Andrew S. Fullerton, Jun Xu Ordered Regression Models - Parallel, Partial, and Non-Parallel Alternatives (Paperback)
Andrew S. Fullerton, Jun Xu
R1,464 Discovery Miles 14 640 Ships in 12 - 17 working days

Estimate and Interpret Results from Ordered Regression Models Ordered Regression Models: Parallel, Partial, and Non-Parallel Alternatives presents regression models for ordinal outcomes, which are variables that have ordered categories but unknown spacing between the categories. The book provides comprehensive coverage of the three major classes of ordered regression models (cumulative, stage, and adjacent) as well as variations based on the application of the parallel regression assumption. The authors first introduce the three "parallel" ordered regression models before covering unconstrained partial, constrained partial, and nonparallel models. They then review existing tests for the parallel regression assumption, propose new variations of several tests, and discuss important practical concerns related to tests of the parallel regression assumption. The book also describes extensions of ordered regression models, including heterogeneous choice models, multilevel ordered models, and the Bayesian approach to ordered regression models. Some chapters include brief examples using Stata and R. This book offers a conceptual framework for understanding ordered regression models based on the probability of interest and the application of the parallel regression assumption. It demonstrates the usefulness of numerous modeling alternatives, showing you how to select the most appropriate model given the type of ordinal outcome and restrictiveness of the parallel assumption for each variable. Web ResourceMore detailed examples are available on a supplementary website. The site also contains JAGS, R, and Stata codes to estimate the models along with syntax to reproduce the results.

The Songyang Story - Architectural Acupuncture as Driver for Progress in Rural China. Projects by Xu Tiantian, DnA_Beijing... The Songyang Story - Architectural Acupuncture as Driver for Progress in Rural China. Projects by Xu Tiantian, DnA_Beijing (Hardcover)
Kirsten Feireiss, Hans Jurgen Commerell; Contributions by Eduard Koegel, Saskia Sassen, Remy Sietchiping, …
R935 Discovery Miles 9 350 Ships in 12 - 17 working days

In 2014, Xu Tiantian, founder of Beijing-based studio Design and Architecture (DnA) began to work in Songyang County, in China's Zhejiang Province. Her exemplary holistic planning concept of Architectural Acupuncture, which has gained the support of local administrative and political leadership, aims at revitalising rural areas and comprises the renovation of production plants and of tourist and technical infrastructure as well as the creation of venues for culture and education and of social housing. Each of Xu's small-scale interventions at local level is unique, only the small budget is common to all of them. Moreover, they are all inter-related with each other and in their entirety serve the broader goal of mutual enhancement. This book introduces Xu's concept of Architectural Acupuncture and discusses the influence of architecture on cultural self-understanding and economic renewal in 21st-century rural China. It features some 20 new buildings and conversions of existing structures with diverse functions. Published alongside are essays by international economists, sociologists, and curators as well as by the secretary of the Songyang County Party Committee, examining the social, political, and economic implications of sustainable planning and collective action in the Chinese province.

Channel Coding in 5G New Radio (Hardcover): Jun Xu, Yifei Yuan Channel Coding in 5G New Radio (Hardcover)
Jun Xu, Yifei Yuan
R3,112 Discovery Miles 31 120 Ships in 12 - 17 working days

This book provides a comprehensive coverage of major channel codes adopted since the 3rd generation of mobile communication. Modulation schemes suitable for 5G mobile communications are also described based on key New Radio application scenarios and performance requirements. It covers low density parity check (LDPC) codes, Polar codes, tail-biting convolutional codes (TBCC) and Turbo codes. Outer codes and a few advanced coding and modulations are also discussed. In addition, it includes detailed illustration of each channel coding scheme such as the basic code structure, decoding algorithms, performance evaluation and complexity analysis. The book offers insights on why and how channel codes are designed and developed in standardization organizations, which significantly facilitates the reading and understanding of the of 5G channel coding technologies. Channel Coding in 5G New Radio will be an essential read for researchers and students of digital communications, wireless communications engineers, and those who are interested in mobile communications in general.

Modern Applied Regressions - Bayesian and Frequentist Analysis of Categorical and Limited Response Variables with R and Stan... Modern Applied Regressions - Bayesian and Frequentist Analysis of Categorical and Limited Response Variables with R and Stan (Hardcover)
Jun Xu
R2,867 Discovery Miles 28 670 Ships in 12 - 17 working days

Modern Applied Regressions creates an intricate and colorful mural with mosaics of categorical and limited response variable (CLRV) models using both Bayesian and Frequentist approaches. Written for graduate students, junior researchers, and quantitative analysts in behavioral, health, and social sciences, this text provides details for doing Bayesian and frequentist data analysis of CLRV models. Each chapter can be read and studied separately with R coding snippets and template interpretation for easy replication. Along with the doing part, the text provides basic and accessible statistical theories behind these models and uses a narrative style to recount their origins and evolution. This book first scaffolds both Bayesian and frequentist paradigms for regression analysis, and then moves onto different types of categorical and limited response variable models, including binary, ordered, multinomial, count, and survival regression. Each of the middle four chapters discusses a major type of CLRV regression that subsumes an array of important variants and extensions. The discussion of all major types usually begins with the history and evolution of the prototypical model, followed by the formulation of basic statistical properties and an elaboration on the doing part of the model and its extension. The doing part typically includes R codes, results, and their interpretation. The last chapter discusses advanced modeling and predictive techniques-multilevel modeling, causal inference and propensity score analysis, and machine learning-that are largely built with the toolkits designed for the CLRV models previously covered. The online resources for this book, including R and Stan codes and supplementary notes, can be accessed at https://sites.google.com/site/socjunxu/home/statistics/modern-applied-regressions.

Spatial Data Handling in Big Data Era - Select Papers from the 17th IGU Spatial Data Handling Symposium 2016 (Paperback,... Spatial Data Handling in Big Data Era - Select Papers from the 17th IGU Spatial Data Handling Symposium 2016 (Paperback, Softcover reprint of the original 1st ed. 2017)
Chenghu Zhou, Fenzhen Su, Francis Harvey, Jun Xu
R3,212 Discovery Miles 32 120 Ships in 10 - 15 working days

This proceedings volume introduces recent work on the storage, retrieval and visualization of spatial Big Data, data-intensive geospatial computing and related data quality issues. Further, it addresses traditional topics such as multi-scale spatial data representations, knowledge discovery, space-time modeling, and geological applications. Spatial analysis and data mining are increasingly facing the challenges of Big Data as more and more types of crowd sourcing spatial data are used in GIScience, such as movement trajectories, cellular phone calls, and social networks. In order to effectively manage these massive data collections, new methods and algorithms are called for. The book highlights state-of-the-art advances in the handling and application of spatial data, especially spatial Big Data, offering a cutting-edge reference guide for graduate students, researchers and practitioners in the field of GIScience.

Impact Behavior and Pedestrian Protection of Automotive Laminated Windshield - Theories, Experiments and Numerical Simulations... Impact Behavior and Pedestrian Protection of Automotive Laminated Windshield - Theories, Experiments and Numerical Simulations (Hardcover, 1st ed. 2019)
Jun Xu, Yibing Li
R5,278 Discovery Miles 52 780 Ships in 10 - 15 working days

This book addresses one of the most important components for pedestrian safety in vehicles - laminated windshields. It includes detailed real-world material characterization results for laminated glass and testing methodologies, constitutive models, and step-by-step numerical simulation modeling and simulation methods. As such, the book provides readers a thorough understanding of the mechanical behaviors of laminated glass and windshields. It also presents fundamental test data, analysis methodologies and essential insights into laminated glass safety design and mechanical behavior prediction. The book addresses the needs of researchers, engineers and postgraduate students in the fields of automotive engineering, mechanical engineering and related areas.

Interfacial Wave Theory of Pattern Formation in Solidification - Dendrites, Fingers, Cells and Free Boundaries (Paperback,... Interfacial Wave Theory of Pattern Formation in Solidification - Dendrites, Fingers, Cells and Free Boundaries (Paperback, Softcover reprint of the original 2nd ed. 2017)
Jian-Jun Xu
R4,330 Discovery Miles 43 300 Ships in 10 - 15 working days

This comprehensive work explores interfacial instability and pattern formation in dynamic systems away from the equilibrium state in solidification and crystal growth. Further, this significantly expanded 2nd edition introduces and reviews the progress made during the last two decades. In particular, it describes the most prominent pattern formation phenomena commonly observed in material processing and crystal growth in the framework of the previously established interfacial wave theory, including free dendritic growth from undercooled melt, cellular growth and eutectic growth in directional solidification, as well as viscous fingering in Hele-Shaw flow. It elucidates the key problems, systematically derives their mathematical solutions by pursuing a unified, asymptotic approach, and finally carefully examines these results by comparing them with the available experimental results. The asymptotic approach described here will be useful for the investigation of pattern formation phenomena occurring in a much broader class of inhomogeneous dynamical systems. In addition, the results on global stability and selection mechanisms of pattern formation will be of particular interest to researchers working on material processing and crystal growth. The stability mechanisms of a curved front and the pattern formation have been fundamental subjects in the areas of condensed-matter physics, materials science, crystal growth, and fluid mechanics for some time now. This book offers a stimulating and insightful introduction for all physicists, engineers and applied mathematicians working in the fields of soft condensed-matter physics, materials science, mechanical and chemical engineering, fluid dynamics, and nonlinear sciences.

Heterogeneous Photocatalysis - From Fundamentals to Green Applications (Paperback, Softcover reprint of the original 1st ed.... Heterogeneous Photocatalysis - From Fundamentals to Green Applications (Paperback, Softcover reprint of the original 1st ed. 2016)
Juan Carlos Colmenares, Yi-Jun Xu
R2,998 Discovery Miles 29 980 Ships in 10 - 15 working days

The book explains the principles and fundamentals of photocatalysis and highlights the current developments and future potential of the green-chemistry-oriented applications of various inorganic, organic, and hybrid photocatalysts. The book consists of eleven chapters, including the principles and fundamentals of heterogeneous photocatalysis; the mechanisms and dynamics of surface photocatalysis; research on TiO2-based composites with unique nanostructures; the latest developments and advances in exploiting photocatalyst alternatives to TiO2; and photocatalytic materials for applications other than the traditional degradation of pollutants, such as carbon dioxide reduction, water oxidation, a complete spectrum of selective organic transformations and water splitting by photocatalytic reduction. In addition, heterogeneized polyoxometalate materials for photocatalytic purposes and the proper design of photocatalytic reactors and modeling of light are also discussed. This book appeals to a wide readership of the academic and industrial researchers and it can also be used in the classroom for undergraduate and graduate students focusing on heterogeneous photocatalysis, sustainable chemistry, energy conversion and storage, nanotechnology, chemical engineering, environmental protection, optoelectronics, sensors, and surface and interface science. Juan Carlos Colmenares is a Professor at the Institute of Physical Chemistry, Polish Academy of Sciences, Poland. Yi-Jun Xu is a Professor at the State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, China.

Interfacial Wave Theory of Pattern Formation in Solidification - Dendrites, Fingers, Cells and Free Boundaries (Hardcover, 2nd... Interfacial Wave Theory of Pattern Formation in Solidification - Dendrites, Fingers, Cells and Free Boundaries (Hardcover, 2nd ed. 2017)
Jian-Jun Xu
R4,421 Discovery Miles 44 210 Ships in 10 - 15 working days

This comprehensive work explores interfacial instability and pattern formation in dynamic systems away from the equilibrium state in solidification and crystal growth. Further, this significantly expanded 2nd edition introduces and reviews the progress made during the last two decades. In particular, it describes the most prominent pattern formation phenomena commonly observed in material processing and crystal growth in the framework of the previously established interfacial wave theory, including free dendritic growth from undercooled melt, cellular growth and eutectic growth in directional solidification, as well as viscous fingering in Hele-Shaw flow. It elucidates the key problems, systematically derives their mathematical solutions by pursuing a unified, asymptotic approach, and finally carefully examines these results by comparing them with the available experimental results. The asymptotic approach described here will be useful for the investigation of pattern formation phenomena occurring in a much broader class of inhomogeneous dynamical systems. In addition, the results on global stability and selection mechanisms of pattern formation will be of particular interest to researchers working on material processing and crystal growth. The stability mechanisms of a curved front and the pattern formation have been fundamental subjects in the areas of condensed-matter physics, materials science, crystal growth, and fluid mechanics for some time now. This book offers a stimulating and insightful introduction for all physicists, engineers and applied mathematicians working in the fields of soft condensed-matter physics, materials science, mechanical and chemical engineering, fluid dynamics, and nonlinear sciences.

Spatial Data Handling in Big Data Era - Select Papers from the 17th IGU Spatial Data Handling Symposium 2016 (Hardcover, 1st... Spatial Data Handling in Big Data Era - Select Papers from the 17th IGU Spatial Data Handling Symposium 2016 (Hardcover, 1st ed. 2017)
Chenghu Zhou, Fenzhen Su, Francis Harvey, Jun Xu
R5,455 Discovery Miles 54 550 Ships in 10 - 15 working days

This proceedings volume introduces recent work on the storage, retrieval and visualization of spatial Big Data, data-intensive geospatial computing and related data quality issues. Further, it addresses traditional topics such as multi-scale spatial data representations, knowledge discovery, space-time modeling, and geological applications. Spatial analysis and data mining are increasingly facing the challenges of Big Data as more and more types of crowd sourcing spatial data are used in GIScience, such as movement trajectories, cellular phone calls, and social networks. In order to effectively manage these massive data collections, new methods and algorithms are called for. The book highlights state-of-the-art advances in the handling and application of spatial data, especially spatial Big Data, offering a cutting-edge reference guide for graduate students, researchers and practitioners in the field of GIScience.

Heterogeneous Photocatalysis - From Fundamentals to Green Applications (Hardcover, 1st ed. 2016): Juan Carlos Colmenares,... Heterogeneous Photocatalysis - From Fundamentals to Green Applications (Hardcover, 1st ed. 2016)
Juan Carlos Colmenares, Yi-Jun Xu
R4,467 Discovery Miles 44 670 Ships in 10 - 15 working days

The book explains the principles and fundamentals of photocatalysis and highlights the current developments and future potential of the green-chemistry-oriented applications of various inorganic, organic, and hybrid photocatalysts. The book consists of eleven chapters, including the principles and fundamentals of heterogeneous photocatalysis; the mechanisms and dynamics of surface photocatalysis; research on TiO2-based composites with unique nanostructures; the latest developments and advances in exploiting photocatalyst alternatives to TiO2; and photocatalytic materials for applications other than the traditional degradation of pollutants, such as carbon dioxide reduction, water oxidation, a complete spectrum of selective organic transformations and water splitting by photocatalytic reduction. In addition, heterogeneized polyoxometalate materials for photocatalytic purposes and the proper design of photocatalytic reactors and modeling of light are also discussed. This book appeals to a wide readership of the academic and industrial researchers and it can also be used in the classroom for undergraduate and graduate students focusing on heterogeneous photocatalysis, sustainable chemistry, energy conversion and storage, nanotechnology, chemical engineering, environmental protection, optoelectronics, sensors, and surface and interface science. Juan Carlos Colmenares is a Professor at the Institute of Physical Chemistry, Polish Academy of Sciences, Poland. Yi-Jun Xu is a Professor at the State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, China.

Managing Information Systems - Ten Essential Topics (Paperback, 2013 ed.): Jun Xu, Mohammed Quaddus Managing Information Systems - Ten Essential Topics (Paperback, 2013 ed.)
Jun Xu, Mohammed Quaddus
R2,058 Discovery Miles 20 580 Ships in 10 - 15 working days

Information systems (IS)/Information technology(IT) has become an essential part and a major resource of the organization. IS/IT is a major resource that can radically affect the structure of an organisation, the way it serves customers, and the way it helps people in organisations to communicate both internally and externally, and the way an organisation runs its business. Managing information and information systems effectively and efficiently have become an essential part of the life of 21st century managers. This book is about Managing information and information systems and focuses on relationships between information, information systems/information technology, people and business. The impacts, roles, risks, challenges as well as emerging trends of information systems will be an important element of the book. At the same time, many strategic and contemporary uses of information systems such as implementing enterprise planning systems for improving internal operation, adopting customer relationship management systems and supply chain management systems to enhance relations with customers and suppliers/partners respectively, and establishing knowledge management systems for better managing organizational knowledge resources as well as using different information systems for supporting managers' decision making in all levels will be an integral part of the book. In addition, essential and critical information systems management skills including using information systems for competitive advantages, planning and evaluating information systems, system development & implementing information systems, and managing information systems operations will be a critical part of the book.

Managing Digital Enterprise - Ten Essential Topics (Hardcover, 2014 ed.): Jun Xu Managing Digital Enterprise - Ten Essential Topics (Hardcover, 2014 ed.)
Jun Xu
R3,523 Discovery Miles 35 230 Ships in 10 - 15 working days

This book describes the setup of digital enterprises and how to manage them, focusing primarily on the important knowledge and essential understanding of digital enterprise management required by managers and decision makers in organizations. It covers ten essential knowledge areas of this field: * Foundation of Digital Enterprise * Technology Foundation and Talent Management for Digital Enterprise * Digital Enterprise Strategy Planning and Implementation * B2C Digital Enterprise: E-tailing * B2C Digital Enterprise: E-Services * B2B Digital Enterprise and Supply Chain * Digital Platforms * Digital Marketing and Advertising * Digital Payment Systems * Mobile Enterprise Overall, this text provides the reader with the basics to understand the rapid development of digitization, facilitated by the dramatic advancements in digital technologies, extensively connected networks, and wider adoption of computing devices (especially mobile devices), as more and more organizations are realizing the strategic importance of digitization (e.g., sustainable growth of the organization, competitive advantage development and enhancement) and are embarking on digital enterprise.

Managing Information Systems - Ten Essential Topics (Hardcover, 2013 ed.): Jun Xu, Mohammed Quaddus Managing Information Systems - Ten Essential Topics (Hardcover, 2013 ed.)
Jun Xu, Mohammed Quaddus
R2,302 Discovery Miles 23 020 Ships in 10 - 15 working days

Information systems (IS)/Information technology(IT) has become an essential part and a major resource of the organization. IS/IT is a major resource that can radically affect the structure of an organisation, the way it serves customers, and the way it helps people in organisations to communicate both internally and externally, and the way an organisation runs its business. Managing information and information systems effectively and efficiently have become an essential part of the life of 21st century managers. This book is about Managing information and information systems and focuses on relationships between information, information systems/information technology, people and business. The impacts, roles, risks, challenges as well as emerging trends of information systems will be an important element of the book. At the same time, many strategic and contemporary uses of information systems such as implementing enterprise planning systems for improving internal operation, adopting customer relationship management systems and supply chain management systems to enhance relations with customers and suppliers/partners respectively, and establishing knowledge management systems for better managing organizational knowledge resources as well as using different information systems for supporting managers' decision making in all levels will be an integral part of the book. In addition, essential and critical information systems management skills including using information systems for competitive advantages, planning and evaluating information systems, system development & implementing information systems, and managing information systems operations will be a critical part of the book.

Dynamical Theory of Dendritic Growth in Convective Flow (Paperback, Softcover reprint of hardcover 2nd ed. 2004): Jian-Jun Xu Dynamical Theory of Dendritic Growth in Convective Flow (Paperback, Softcover reprint of hardcover 2nd ed. 2004)
Jian-Jun Xu
R2,949 Discovery Miles 29 490 Ships in 10 - 15 working days

Convective flow in the liquid phase is always present in a realistic process of freezing and melting and may significantly affect the dynamics and results of the process. The study of the interplay of growth and convection flow during the solidification has been an important subject in the broad fields of materials science, condensed matter physics, fluid physics, micro-gravity science, etc. The present book is concerned with the dynamics of free dendritic growth with convective flow in the melt. It systematically presents the results obtained in terms of a unified asymptotic approach in the framework of the interfacial wave (IFW) theory. In particular, the book explores the effect of the various types of convection flow on the selection and pattern formation of dendritic growth based on the global stability analysis.

Dynamical Theory of Dendritic Growth in Convective Flow (Hardcover, 2nd ed. 2004): Jian-Jun Xu Dynamical Theory of Dendritic Growth in Convective Flow (Hardcover, 2nd ed. 2004)
Jian-Jun Xu
R3,113 Discovery Miles 31 130 Ships in 10 - 15 working days

Convective flow in the liquid phase is always present in a realistic process of freezing and melting and may significantly affect the dynamics and results of the process. The study of the interplay of growth and convection flow during the solidification has been an important subject in the broad fields of materials science, condensed matter physics, fluid physics, micro-gravity science, etc. The present book is concerned with the dynamics of free dendritic growth with convective flow in the melt. It systematically presents the results obtained in terms of a unified asymptotic approach in the framework of the interfacial wave (IFW) theory. In particular, the book explores the effect of the various types of convection flow on the selection and pattern formation of dendritic growth based on the global stability analysis.

Nonlinear Circuit Simulation and Modeling - Fundamentals for Microwave Design (Hardcover): Jose Carlos Pedro, David E. Root,... Nonlinear Circuit Simulation and Modeling - Fundamentals for Microwave Design (Hardcover)
Jose Carlos Pedro, David E. Root, Jian-Jun Xu, Luis Cotimos Nunes
R2,647 Discovery Miles 26 470 Ships in 12 - 17 working days

Discover the nonlinear methods and tools needed to design real-world microwave circuits with this tutorial guide. Balancing theoretical background with practical tools and applications, it covers everything from the basic properties of nonlinear systems such as gain compression, intermodulation and harmonic distortion, to nonlinear circuit analysis and simulation algorithms, and state-of-the-art equivalent circuit and behavioral modeling techniques. Model formulations discussed in detail include time-domain transistor compact models and frequency-domain linear and nonlinear scattering models. Learn how to apply these tools to designing real circuits with the help of a power amplifier design example, which covers all stages from active device model extraction and the selection of bias and terminations, through to performance verification. Realistic examples, illustrative insights and clearly conveyed mathematical formalism make this an essential learning aid for both professionals working in microwave and RF engineering and graduate students looking for a hands-on guide to microwave circuit design.

Network Algorithmics - An Interdisciplinary Approach to Designing Fast Networked Devices (Paperback, 2nd edition): George... Network Algorithmics - An Interdisciplinary Approach to Designing Fast Networked Devices (Paperback, 2nd edition)
George Varghese, Jun Xu
R1,953 Discovery Miles 19 530 Ships in 12 - 17 working days

Network Algorithmics: An Interdisciplinary Approach to Designing Fast Networked Devices, Second Edition takes an interdisciplinary approach to applying principles for efficient implementation of network devices, offering solutions to the problem of network implementation bottlenecks. In designing a network device, there are dozens of decisions that affect the speed with which it will perform - sometimes for better, but sometimes for worse. The book provides a complete and coherent methodology for maximizing speed while meeting network design goals. The book is uniquely focused on the seamless integration of data structures, algorithms, operating systems and hardware/software co-designs for high-performance routers/switches and network end systems. Thoroughly updated based on courses taught by the authors over the past decade, the book lays out the bottlenecks most often encountered at four disparate levels of implementation: protocol, OS, hardware and architecture. It then develops fifteen principles key to breaking these bottlenecks, systematically applying them to bottlenecks found in end-nodes, interconnect devices and specialty functions located along the network. Later sections discuss the inherent challenges of modern cloud computing and data center networking.

Transformation Thermotics and Extended Theories - Inside and Outside Metamaterials (Paperback, 1st ed. 2023): Liu-Jun Xu,... Transformation Thermotics and Extended Theories - Inside and Outside Metamaterials (Paperback, 1st ed. 2023)
Liu-Jun Xu, Ji-Ping Huang
R1,449 Discovery Miles 14 490 Ships in 10 - 15 working days

This open access book describes the theory of transformation thermotics and its extended theories for the active control of macroscopic thermal phenomena of artificial systems, which is in sharp contrast to classical thermodynamics comprising the four thermodynamic laws for the passive description of macroscopic thermal phenomena of natural systems. This monograph consists of two parts, i.e., inside and outside metamaterials, and covers the basic concepts and mathematical methods, which are necessary to understand the thermal problems extensively investigated in physics, but also in other disciplines of engineering and materials. The analyses rely on models solved by analytical techniques accompanied by computer simulations and laboratory experiments. This monograph can not only be a bridge linking three first-class disciplines, i.e., physics, thermophysics, and materials science, but also contribute to interdisciplinary development.

Transformation Thermotics and Extended Theories - Inside and Outside Metamaterials (Hardcover, 1st ed. 2023): Liu-Jun Xu,... Transformation Thermotics and Extended Theories - Inside and Outside Metamaterials (Hardcover, 1st ed. 2023)
Liu-Jun Xu, Ji-Ping Huang
R1,736 Discovery Miles 17 360 Ships in 10 - 15 working days

This open access book describes the theory of transformation thermotics and its extended theories for the active control of macroscopic thermal phenomena of artificial systems, which is in sharp contrast to classical thermodynamics comprising the four thermodynamic laws for the passive description of macroscopic thermal phenomena of natural systems. This monograph consists of two parts, i.e., inside and outside metamaterials, and covers the basic concepts and mathematical methods, which are necessary to understand the thermal problems extensively investigated in physics, but also in other disciplines of engineering and materials. The analyses rely on models solved by analytical techniques accompanied by computer simulations and laboratory experiments. This monograph can not only be a bridge linking three first-class disciplines, i.e., physics, thermophysics, and materials science, but also contribute to interdisciplinary development.

21st Century Maritime Silk Road: Wave Energy Resource Evaluation (Paperback, 1st ed. 2020): Chongwei Zheng, Jian-Jun Xu, Chao... 21st Century Maritime Silk Road: Wave Energy Resource Evaluation (Paperback, 1st ed. 2020)
Chongwei Zheng, Jian-Jun Xu, Chao Zhan, Qing Wang
R4,453 Discovery Miles 44 530 Ships in 10 - 15 working days

This book focuses on the evaluation of wave energy in the Maritime Silk Road. Firstly, it compares wave energy and other main energy sources, and then discusses the various disadvantages. It also presents the current research and the difficulties of wave energy evaluation, and systematically analyzes the climatic characteristics of the wave energy, including the temporal-spatial distribution and climatic trend of a series of key factors (e.g. wave power density, availability, richness, stability, energy direction, energy storage). It then describes the design of a short-term forecasting scheme and a long-term projection scheme of wave energy suitable for the Maritime Silk Road, to serve as a plan for the daily operation and long-term development of wave energy. Further, it highlights the wave energy analysis and decision-making in the context of the remote islands and reefs, using Sri Lanka is taken as a case study. Lastly, it presents the first wave energy resource dataset for the Maritime Silk Road. This book is one of a series of publications on the 21st century Maritime Silk Road (shortened as "Maritime Silk Road") that covers the characteristics of the marine environment and marine new energy, remote islands and reef construction, climate change, early warning of wave disasters, legal escort, marine environment and energy big data construction, contributing to the safe and efficient construction of the Maritime Silk Road. It aims to improve our knowledge of the ocean, and so improve the capacity for marine construction, enhance the viability of remote islands and reefs, ease the energy crisis and protect the ecological environment and improve the quality of life of residents along the Maritime Silk Road, as well as to protect the rights, and interests of the countries and regions participating in the construction of the Maritime Silk Road. This book is a valuable reference resource for decision-makers, researchers, and marine engineers working in the related fields.

21st Century Maritime Silk Road: Wave Energy Resource Evaluation (Hardcover, 1st ed. 2020): Chongwei Zheng, Jian-Jun Xu, Chao... 21st Century Maritime Silk Road: Wave Energy Resource Evaluation (Hardcover, 1st ed. 2020)
Chongwei Zheng, Jian-Jun Xu, Chao Zhan, Qing Wang
R4,486 Discovery Miles 44 860 Ships in 10 - 15 working days

This book focuses on the evaluation of wave energy in the Maritime Silk Road. Firstly, it compares wave energy and other main energy sources, and then discusses the various disadvantages. It also presents the current research and the difficulties of wave energy evaluation, and systematically analyzes the climatic characteristics of the wave energy, including the temporal-spatial distribution and climatic trend of a series of key factors (e.g. wave power density, availability, richness, stability, energy direction, energy storage). It then describes the design of a short-term forecasting scheme and a long-term projection scheme of wave energy suitable for the Maritime Silk Road, to serve as a plan for the daily operation and long-term development of wave energy. Further, it highlights the wave energy analysis and decision-making in the context of the remote islands and reefs, using Sri Lanka is taken as a case study. Lastly, it presents the first wave energy resource dataset for the Maritime Silk Road. This book is one of a series of publications on the 21st century Maritime Silk Road (shortened as "Maritime Silk Road") that covers the characteristics of the marine environment and marine new energy, remote islands and reef construction, climate change, early warning of wave disasters, legal escort, marine environment and energy big data construction, contributing to the safe and efficient construction of the Maritime Silk Road. It aims to improve our knowledge of the ocean, and so improve the capacity for marine construction, enhance the viability of remote islands and reefs, ease the energy crisis and protect the ecological environment and improve the quality of life of residents along the Maritime Silk Road, as well as to protect the rights, and interests of the countries and regions participating in the construction of the Maritime Silk Road. This book is a valuable reference resource for decision-makers, researchers, and marine engineers working in the related fields.

Solid-State NMR in Zeolite Catalysis (Hardcover, 1st ed. 2019): Jun Xu, Qiang Wang, Shenhui Li, Feng Deng Solid-State NMR in Zeolite Catalysis (Hardcover, 1st ed. 2019)
Jun Xu, Qiang Wang, Shenhui Li, Feng Deng
R5,274 Discovery Miles 52 740 Ships in 10 - 15 working days

Solid-State NMR Characterization of Heterogeneous Catalysts and Catalytic Reactions provides a comprehensive account of state-of-the-art solid-state NMR techniques and the application of these techniques in heterogeneous catalysts and related catalytic reactions. It includes an introduction to the basic theory of solid-state NMR and various frequently used techniques. Special emphasis is placed on characterizing the framework and pore structure, active site, guest-host interaction, and synthesis mechanisms of heterogeneous catalysts using multinuclear one- and two-dimensional solid-sate NMR spectroscopy. Additionally, various in-situ solid-state NMR techniques and their applications in investigation of the mechanism of industrially important catalytic reactions are also discussed. Both the fundamentals and the latest research results are covered, making the book suitable as a reference guide for both experienced researchers in and newcomers to this field. Feng Deng is a Professor at Wuhan Institute of Physics and Mathematics, Chinese Academy of Sciences.

Block Trace Analysis and Storage System Optimization - A Practical Approach with MATLAB/Python Tools (Paperback, 1st ed.): Jun... Block Trace Analysis and Storage System Optimization - A Practical Approach with MATLAB/Python Tools (Paperback, 1st ed.)
Jun Xu
R992 R802 Discovery Miles 8 020 Save R190 (19%) Ships in 10 - 15 working days

Understand the fundamental factors of data storage system performance and master an essential analytical skill using block trace via applications such as MATLAB and Python tools. You will increase your productivity and learn the best techniques for doing specific tasks (such as analyzing the IO pattern in a quantitative way, identifying the storage system bottleneck, and designing the cache policy). In the new era of IoT, big data, and cloud systems, better performance and higher density of storage systems has become crucial. To increase data storage density, new techniques have evolved and hybrid and parallel access techniques-together with specially designed IO scheduling and data migration algorithms-are being deployed to develop high-performance data storage solutions. Among the various storage system performance analysis techniques, IO event trace analysis (block-level trace analysis particularly) is one of the most common approaches for system optimization and design. However, the task of completing a systematic survey is challenging and very few works on this topic exist. Block Trace Analysis and Storage System Optimization brings together theoretical analysis (such as IO qualitative properties and quantitative metrics) and practical tools (such as trace parsing, analysis, and results reporting perspectives). The book provides content on block-level trace analysis techniques, and includes case studies to illustrate how these techniques and tools can be applied in real applications (such as SSHD, RAID, Hadoop, and Ceph systems). What You'll Learn Understand the fundamental factors of data storage system performance Master an essential analytical skill using block trace via various applications Distinguish how the IO pattern differs in the block level from the file level Know how the sequential HDFS request becomes "fragmented" in final storage devices Perform trace analysis tasks with a tool based on the MATLAB and Python platforms Who This Book Is For IT professionals interested in storage system performance optimization: network administrators, data storage managers, data storage engineers, storage network engineers, systems engineers

The Roots and Soul of the Chinese People (Paperback): Jun Xu The Roots and Soul of the Chinese People (Paperback)
Jun Xu
R620 R505 Discovery Miles 5 050 Save R115 (19%) Ships in 9 - 15 working days
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Sam Smith CD R238 R194 Discovery Miles 1 940
Gotcha Anadigi 50M-WR Watch (Gents)
R399 R338 Discovery Miles 3 380
Cable Guy Ikon "Light Up" Batman Signal…
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MyNotes A5 Geometric Caustics Notebook
Paperback R50 R42 Discovery Miles 420
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Nadine Gordimer Paperback  (2)
R398 R330 Discovery Miles 3 300
JBL T110 In-Ear Headphones (Black)
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R229 R201 Discovery Miles 2 010
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R465 R290 Discovery Miles 2 900
Oxford English Dictionary for Schools
Oxford Dictionaries Paperback R257 R238 Discovery Miles 2 380

 

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