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702 tulosta hakusanalla Qing Yang

Conducted Electromagnetic Interference in Power Converters: Modeling, Prediction and Reduction

Conducted Electromagnetic Interference in Power Converters: Modeling, Prediction and Reduction

Xinbo Ruan; Lihong Xie; Qing Ji; Xibo Yuan

SPRINGER VERLAG, SINGAPORE
2024
sidottu
This book belongs to the subject of electrical engineering. It focuses on the modeling, prediction and reduction of conducted EMI in power converters including the AC-DC rectifiers, DC-DC converters and DC-AC inverters and provides the analytical models and solutions to conducted EMI issues in practical applications. The theoretical analysis, simulation and experimental results are well presented with figures and tables. This book is an essential and valuable reference for the graduate students and academics majoring in power electronics and the engineers being engaged in solving the conducted EMI issues in power converters. Senior undergraduate students majoring in electrical engineering and automation engineering also find this book useful.
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Conducted Electromagnetic Interference in Power Converters: Modeling, Prediction and Reduction

Conducted Electromagnetic Interference in Power Converters: Modeling, Prediction and Reduction

Xinbo Ruan; Lihong Xie; Qing Ji; Xibo Yuan

SPRINGER VERLAG, SINGAPORE
2025
nidottu
This book belongs to the subject of electrical engineering. It focuses on the modeling, prediction and reduction of conducted EMI in power converters including the AC-DC rectifiers, DC-DC converters and DC-AC inverters and provides the analytical models and solutions to conducted EMI issues in practical applications. The theoretical analysis, simulation and experimental results are well presented with figures and tables. This book is an essential and valuable reference for the graduate students and academics majoring in power electronics and the engineers being engaged in solving the conducted EMI issues in power converters. Senior undergraduate students majoring in electrical engineering and automation engineering also find this book useful.
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Mesenchymal Stem Cells

Mesenchymal Stem Cells

Leisheng Zhang; Zhongchao Han; Jialun Wang; Zongjin Li; Qing Huang

ELSEVIER SCIENCE TECHNOLOGY
2023
nidottu
Mesenchymal Stem Cells: Biological Concepts, Current Advances, Opportunities and Challenges systematically summarizes and discusses the basic concepts and latest updates of mesenchymal stem cells (MSCs) in the past 60 years, as well as the latest progress of clinical translational research and regulatory policy at home and abroad, which will be of great practical significance for promoting and guiding the future development of stem cell production and regenerative medicine.
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Teachers Matter: Connecting Work, Lives and Effectiveness

Teachers Matter: Connecting Work, Lives and Effectiveness

Christopher Day; Gordon Stobart; Pam Sammons; Alison Kington; Qing Gu

Open University Press
2007
nidottu
Teachers Matter offers the most definitive portrait of teachers’ lives and work to date. At a time when teaching standards are high on the political and social agenda, the quality and commitment of teaching staff is seen as paramount and they are viewed as pivotal to the economic and social well being of society. But:What are the influences that help or hinder teachers’ commitment?Is there an association between commitment and pupil attainment?Why are teachers’ identities important?What are teachers’ needs and concerns in different professional life phases?Does school context count?Based on a DfES funded study of 300 teachers in 100 primary and secondary schools in England, the authors identify different patterns of influence and effect between groups of teachers, which provide powerful evidence of the complexities of teachers’ work, lives, identity and commitment, in relation to their sense of agency, well-being, resilience and pupil attitudes and attainment. This, in turn, provides a clear message for teachers, teachers’ associations, school leaders and policy makers, in understanding and supporting the need to build and sustain school and classroom effectiveness. The book addresses issues such as the importance of career development, the relationships between school leadership, culture and teachers’ lives, maintaining a work-life balance, identity and well-being and the connection between commitment, resilience and effectiveness in the classroom. Original and highly relevant, Teachers Matter is invaluable reading for teachers, head teachers, researchers and teacher educators.
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Successful School Leadership: Linking with Learning and Achievement

Successful School Leadership: Linking with Learning and Achievement

Christopher Day; Pam Sammons; Ken Leithwood; David Hopkins; Qing Gu; Eleanor Brown; Elpida Ahtaridou

Open University Press
2011
nidottu
This book is based on the largest and most extensive empirical study of contemporary leadership in primary and secondary schools in England. The results demonstrate that heads of successful schools improve the quality of student learning and achievement through who they are – their values, virtues, dispositions and competencies – as well as their timely use of change and improvement strategies.Successful School Leadership provides a comprehensive analysis of the values and qualities of head teachers. It assesses the strategies they use and how they adapt these to their particular school context in order to ensure positive increases in the learning, well being and achievement of their students. The authors:Identify a basic set of leadership practices resulting from their findings Analyse and describe the leadership values, qualities and behaviours related to different phases in schools’ improvement journeysProvide illustrative case studies of primary and secondary schools that highlight context sensitive strategies Provide a contemporary overview of international research and thinking about successful school leadershipRecognize similar and distinguishing features between schools in different socio-economic groupsThis book is valuable reading for…school leaders and senior teachers, educational policy makers and advisors, as well as anyone involved or interested in education and its leadership.
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Average-Cost Control of Stochastic Manufacturing Systems

Average-Cost Control of Stochastic Manufacturing Systems

Suresh P. Sethi; Han-Qin Zhang; Qing Zhang

Springer-Verlag New York Inc.
2005
sidottu
Most manufacturing systems are large, complex, and operate in an environment of uncertainty. It is common practice to manage such systems in a hierarchical fashion. This book articulates a new theory that shows that hierarchical decision making can in fact lead to a near optimization of system goals. The material in the book cuts across disciplines. It will appeal to graduate students and researchers in applied mathematics, operations management, operations research, and system and control theory.
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Nonnegative and Compartmental Dynamical Systems

Nonnegative and Compartmental Dynamical Systems

Wassim M. Haddad; VijaySekhar Chellaboina; Qing Hui

Princeton University Press
2010
sidottu
This comprehensive book provides the first unified framework for stability and dissipativity analysis and control design for nonnegative and compartmental dynamical systems, which play a key role in a wide range of fields, including engineering, thermal sciences, biology, ecology, economics, genetics, chemistry, medicine, and sociology. Using the highest standards of exposition and rigor, the authors explain these systems and advance the state of the art in their analysis and active control design. Nonnegative and Compartmental Dynamical Systems presents the most complete treatment available of system solution properties, Lyapunov stability analysis, dissipativity theory, and optimal and adaptive control for these systems, addressing continuous-time, discrete-time, and hybrid nonnegative system theory. This book is an indispensable resource for applied mathematicians, dynamical systems theorists, control theorists, and engineers, as well as for researchers and graduate students who want to understand the behavior of nonnegative and compartmental dynamical systems that arise in areas such as biomedicine, demographics, epidemiology, pharmacology, telecommunications, transportation, thermodynamics, networks, heat transfer, and power systems.
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Wavelet Analysis and Applications

Wavelet Analysis and Applications

International Conference on Wavelet Analysis and Its Applications (1999 : G; Daren (EDT) Huang; Rong-Qing (EDT) Jia

Amer Mathematical Society
2002
pokkari
Wavelet analysis has been one of the major research directions in science in the last decade. More and more mathematicians and scientists join this exciting research area. Certainly, wavelet analysis has had a great impact in areas such as approximation theory, harmonic analysis, and scientific computation. More importantly, wavelet analysis has shown great potential in applications to information technology such as signal processing, image processing, and computer graphics. China has played a significant role in this development of wavelet analysis as evidenced by many fruitful theoretical results and practical applications.A conference on wavelet analysis and its applications was organized to exchange ideas and results with international research groups at Zhongshan University (Guangzhou, China). This volume contains the proceedings from that conference. Comprised here are selected papers from the conference, covering a wide range of research topics of current interest.Many significant results are included in the study of refinement equations and refinable functions, properties and construction of wavelets, spline wavelets, multi-wavelets, wavelet packets, shift-invariant spaces, approximation schemes and subdivision algorithms, and tilings. Several papers also focus on applications of wavelets to numerical solutions of partial differential equations and integral equations, image processing and facial recognition, computer vision, and feature extraction from data.
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Temperament and Child Development in Context

Temperament and Child Development in Context

Liliana J. Lengua; Maria A. Gartstein; Qing Zhou; Craig R. Colder; Debrielle T. Jacques

Cambridge University Press
2024
pokkari
Children's temperament is a central individual characteristic that has significant implications, directly and indirectly, for their social, emotional, behavioral, cognitive, and health outcomes, through its evocative and moderating effects on other social and contextual influences. Accounting for these contextual influences is critical to articulating the role of temperament in children's development. This Element defines temperament and describes its roots in neurobiological systems as well as its relevance to children's developmental outcomes, with a focus on understanding the influence of temperament in children's social and environmental contexts. It covers key developmental periods, situating the contribution of temperament to children's development in complex and changing processes and contexts from infancy through adolescence. The Element concludes by underscoring the value of integrating contextual, relational, and dynamic systems approaches and pointing to future directions in temperament research and application.
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Temperament and Child Development in Context

Temperament and Child Development in Context

Liliana J. Lengua; Maria A. Gartstein; Qing Zhou; Craig R. Colder; Debrielle T. Jacques

Cambridge University Press
2024
sidottu
Children's temperament is a central individual characteristic that has significant implications, directly and indirectly, for their social, emotional, behavioral, cognitive, and health outcomes, through its evocative and moderating effects on other social and contextual influences. Accounting for these contextual influences is critical to articulating the role of temperament in children's development. This Element defines temperament and describes its roots in neurobiological systems as well as its relevance to children's developmental outcomes, with a focus on understanding the influence of temperament in children's social and environmental contexts. It covers key developmental periods, situating the contribution of temperament to children's development in complex and changing processes and contexts from infancy through adolescence. The Element concludes by underscoring the value of integrating contextual, relational, and dynamic systems approaches and pointing to future directions in temperament research and application.
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Understanding Mother-Adolescent Conflict Discussions

Understanding Mother-Adolescent Conflict Discussions

Nancy Eisenberg; Claire Hofer; Tracy L. Spinrad; Elizabeth T. Gershoff; Carlos Valiente; Qing Zhou; Amanda Cumberland; Jeffrey Liew; Mark Reiser; Elizabeth Maxon

Wiley-Blackwell (an imprint of John Wiley Sons Ltd)
2008
nidottu
Adolescence is often thought of as a period during which parent–child interactions can be relatively stressed and conflictual. There are individual differences in this regard, however, with only a modest percent of youth experiencing extremely conflictual relationships with their parents. Relatively little empirical research, however, addresses individual differences in the quality of parent–adolescent interactions concerning potentially conflictual issues. The research reported in this monograph examined dispositional and parenting predictors of the quality of parents’ and their adolescent children’s emotional displays and positive and negative verbalizations when dealing with conflictual issues. Of particular interest were patterns of continuity and discontinuity in the factors related to conflicts. A multimethod, multireporter (mother, teacher, and sometimes adolescent reports) longitudinal approach(over 4 years) was used to assess adolescents’ dispositional characteristics (control/regulation, resiliency, and negative emotionality), youths’ externalizing problems, and parenting variables (warmth, positive expressivity, discussion of emotion, positive and negative family expressivity). Parentadolescent conflicts appear to be influenced by both child characteristics and quality of prior and concurrent parenting, and child effects may be more evident than parent effects in this pattern of relations.
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Average-Cost Control of Stochastic Manufacturing Systems

Average-Cost Control of Stochastic Manufacturing Systems

Suresh P. Sethi; Han-Qin Zhang; Qing Zhang

Springer-Verlag New York Inc.
2010
nidottu
Most manufacturing systems are large, complex, and operate in an environment of uncertainty. It is common practice to manage such systems in a hierarchical fashion. This book articulates a new theory that shows that hierarchical decision making can in fact lead to a near optimization of system goals. The material in the book cuts across disciplines. It will appeal to graduate students and researchers in applied mathematics, operations management, operations research, and system and control theory.
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Roof Water Disaster in Coal Mining in Ecologically Fragile Mining Areas

Roof Water Disaster in Coal Mining in Ecologically Fragile Mining Areas

Yifan Zeng; Zhenzhong Pang; Qiang Wu; Hui Qing Lian; Xin Du

Springer International Publishing AG
2023
sidottu
This book targets to earth scientists and engineers, in particular students, researchers, managers, and practitioners, who are interested in mining engineering, environmental engineering, green coal mining, sustainable water resource management, and effective measures to balance mine safety and ecological conservation. In the disciplines of mine hydrogeology and mining engineering, there have always been difficulties in the theoretical interpretation of the changes in the physical and hydraulic characteristics of water resisting strata during coal seam mining. In the past 10 years, the authors studied the relevant contents by using the methods of physical simulation, numerical simulation, field test and mining practice of similar materials, so as to understand the internal relationship between the stratigraphic sedimentary characteristics of the mining area and the occurrence mechanism of mine water disaster. On the premise of analyzing and studying the stratigraphic sedimentary environment in the mining area in detail, it is of great significance for the realization of "coal water" dual resource mining in the mining area to divide the types of roof water disaster in the mining area and study the formation mechanism of mine water disaster caused by different rock formation combinations and mining methods.
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Roof Water Disaster in Coal Mining in Ecologically Fragile Mining Areas

Roof Water Disaster in Coal Mining in Ecologically Fragile Mining Areas

Yifan Zeng; Zhenzhong Pang; Qiang Wu; Hui Qing Lian; Xin Du

Springer International Publishing AG
2024
nidottu
This book targets to earth scientists and engineers, in particular students, researchers, managers, and practitioners, who are interested in mining engineering, environmental engineering, green coal mining, sustainable water resource management, and effective measures to balance mine safety and ecological conservation. In the disciplines of mine hydrogeology and mining engineering, there have always been difficulties in the theoretical interpretation of the changes in the physical and hydraulic characteristics of water resisting strata during coal seam mining. In the past 10 years, the authors studied the relevant contents by using the methods of physical simulation, numerical simulation, field test and mining practice of similar materials, so as to understand the internal relationship between the stratigraphic sedimentary characteristics of the mining area and the occurrence mechanism of mine water disaster. On the premise of analyzing and studying the stratigraphic sedimentary environment in the mining area in detail, it is of great significance for the realization of "coal water" dual resource mining in the mining area to divide the types of roof water disaster in the mining area and study the formation mechanism of mine water disaster caused by different rock formation combinations and mining methods.
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Information Theory Tools for Image Processing

Information Theory Tools for Image Processing

Miquel Feixas; Anton Bardera; Jaume Rigau; Qing Xu

Springer International Publishing AG
2014
nidottu
Information Theory (IT) tools, widely used in many scientific fields such as engineering, physics, genetics, neuroscience, and many others, are also useful transversal tools in image processing. In this book, we present the basic concepts of IT and how they have been used in the image processing areas of registration, segmentation, video processing, and computational aesthetics. Some of the approaches presented, such as the application of mutual information to registration, are the state of the art in the field. All techniques presented in this book have been previously published in peer-reviewed conference proceedings or international journals. We have stressed here their common aspects, and presented them in an unified way, so to make clear to the reader which problems IT tools can help to solve, which specific tools to use, and how to apply them. The IT basics are presented so as to be self-contained in the book. The intended audiences are students and practitioners of image processing and related areas such as computer graphics and visualization. In addition, students and practitioners of IT will be interested in knowing about these applications. Table of Contents: Preface / Acknowledgments / Information Theory Basics / Image Registration / Image Segmentation / Video Key Frame Selection / Informational Aesthetics Measures / Bibliography / Authors' Biographies
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Triboelectric Nanogenerators

Triboelectric Nanogenerators

Yunlong Zi; Hengyu Guo; Jie Wang; Chi Zhang; Xiangyu Chen; Qing Zhao

Wiley-VCH Verlag GmbH
2025
sidottu
Comprehensive resource on the fundamentals, recent research developments, and applications of triboelectric nanogenerators (TENGs) Triboelectric Nanogenerators delivers a comprehensive overview of a lightweight, low cost, and high-efficiency sustainable mechanical energy harvesting technique that draws from the ambient environment and has high output and extremely flexible structural designs. The book starts with an introduction on triboelectric nanogenerator technology, then continues to discuss the latest fundamental studies about TENGs, including models of triboelectric effect, the discharge effect, and standardized evaluation. The next part explains new output performance promotion of TENGs for power generation applications, including output promotion through multiple methods, as well as power management and effective energy storage. The last part explores new concepts inspired by the field of TENGs, including applications in sensing, actuation, data science, artificial intelligence (AI), the Internet of Things (IoT), and smart cities. Written by a team of highly qualified academics with significant research experience in the field, Triboelectric Nanogenerators includes information on: Triboelectric charge generation and discharge, highlighting how electrostatic energy is often wastedEnergy potential of TENGs in comparison to other sources such as lithium-ion batteries and other types of batteriesMethods to promote and configure output performance, such as through gas environments, liquid-solid interfaces, and electromechanical structuresHigh-voltage output from TENGs and its potential for new applications in areas such as breakdown charge triggering, electrospraying, field emissions, and others Triboelectric Nanogenerators is an essential reference for scientists, engineers, students, and professionals in related fields seeking to understand this exciting energy harvesting technique and gain all of the knowledge needed to help further progress in the field.
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Electromagnetic Ultrasonic Guided Waves

Electromagnetic Ultrasonic Guided Waves

Songling Huang; Shen Wang; Weibin Li; Qing Wang

Springer Verlag, Singapore
2016
sidottu
This book introduces the fundamental theory of electromagnetic ultrasonic guided waves, together with its applications. It includes the dispersion characteristics and matching theory of guided waves; the mechanism of production and theoretical model of electromagnetic ultrasonic guided waves; the effect mechanism between guided waves and defects; the simulation method for the entire process of electromagnetic ultrasonic guided wave propagation; electromagnetic ultrasonic thickness measurement; pipeline axial guided wave defect detection; and electromagnetic ultrasonic guided wave detection of gas pipeline cracks. This theory and findings on applications draw on the author’s intensive research over the past eight years. The book can be used for nondestructive testing technology and as an engineering reference work. The specific implementation of the electromagnetic ultrasonic guided wave system presented here will also be of value for other nondestructive test developers.
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Electromagnetic Ultrasonic Guided Waves

Electromagnetic Ultrasonic Guided Waves

Songling Huang; Shen Wang; Weibin Li; Qing Wang

Springer Verlag, Singapore
2018
nidottu
This book introduces the fundamental theory of electromagnetic ultrasonic guided waves, together with its applications. It includes the dispersion characteristics and matching theory of guided waves; the mechanism of production and theoretical model of electromagnetic ultrasonic guided waves; the effect mechanism between guided waves and defects; the simulation method for the entire process of electromagnetic ultrasonic guided wave propagation; electromagnetic ultrasonic thickness measurement; pipeline axial guided wave defect detection; and electromagnetic ultrasonic guided wave detection of gas pipeline cracks. This theory and findings on applications draw on the author’s intensive research over the past eight years. The book can be used for nondestructive testing technology and as an engineering reference work. The specific implementation of the electromagnetic ultrasonic guided wave system presented here will also be of value for other nondestructive test developers.
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21st Century Maritime Silk Road: Wave Energy Resource Evaluation

21st Century Maritime Silk Road: Wave Energy Resource Evaluation

Chongwei Zheng; Jianjun Xu; Chao Zhan; Qing Wang

Springer Verlag, Singapore
2019
sidottu
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 theMaritime 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.
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21st Century Maritime Silk Road: Wave Energy Resource Evaluation

21st Century Maritime Silk Road: Wave Energy Resource Evaluation

Chongwei Zheng; Jianjun Xu; Chao Zhan; Qing Wang

Springer Verlag, Singapore
2020
nidottu
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 theMaritime 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.
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