Shulin Sun's Books

Multifunctional Metasurfaces

Design Principles and Device Realizations

By: He-Xiu Xu,Shiwei Tang,Tong Cai,Shulin Sun,Qiong He,Lei Zhou

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Multifunctional Metasurfaces

Design Principles and Device Realizations

By: He-Xiu Xu,Shiwei Tang,Tong Cai,Shulin Sun,Qiong He,Lei Zhou

In recent years, we have witnessed a rapid expansion of using super-thin metasurfaces to manipulate light or electromagnetic wave in a subwavelength scale. However, most designs are confined to a passive scheme and monofunctional operation, which hinders considerably the promising applications of the metasurfaces. Specifically, the tunable and multifunctional metasurfaces enable to facilitate switchable functionalities and multiple functionalities which are extremely essential and useful for integrated optics and microwaves, well alleviating aforementioned issues. In this book, we introduce our efforts in exploring the physics principles, design approaches, and numerical and experimental demonstrations on the fascinating functionalities realized. We start by introducing in Chapter 2 the "merging" scheme in constructing multi-functional metadevices, paying particular attention to its shortcomings issues. Having understood the merits and disadvantages of the "merging" scheme, we then introduce in Chapter 3 another approach to realize bifunctional metadevices under linearly polarized excitations, working in both reflection and transmission geometries or even in the full space. As a step further, we summarizes our efforts in Chapter 4 on making multifunctional devices under circularly polarized excitations, again including designing principles and devices fabrications/characterizations. Starting from Chapter 5, we turn to introduce our efforts on using the "active" scheme to construct multifunctional metadevices under linearly polarized wave operation. Chapter 6 further concentrates on how to employ the tunable strategy to achieve helicity/frequency controls of the circularly polarized waves in reflection geometry. We finally conclude this book in Chapter 7 by presenting our perspectives on future directions of metasurfaces and metadevices.

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Page Count

181

Publisher

Springer Nature

Published Date

ISBN 10

3031023900

ISBN 13

9783031023903

China's Industrial Technology

Market Reform and Organisational Change

By: Shulin Gu

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China's Industrial Technology

Market Reform and Organisational Change

By: Shulin Gu

Offering a comprehensive review of reform policy, followed by an examination of major approaches to institutional restructuring, Shulin Gu explores the way in which China's industrial technology has responded to economic reforms. At the heart of the work is the argument that market reform and organisational change are closely interdependent. Gu outlines the interaction of the two in China and reveals the damage which may result if market reform is not accompanied by new organisational design. Analysis of these issues is drawn from first-hand experience of Chinese technology systems, supported by insights from technological innovation economics and transaction cost economics.

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Page Count

339

Publisher

Routledge

Published Date

ISBN 10

1134738331

ISBN 13

9781134738335

Long and Deep Tunnels

Integrated Design and Construction Approach

By: Vittorio Guglielmetti,Shulin Xu,Gianni Alberto Arrigoni,Piergiorgio Grasso

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Long and Deep Tunnels

Integrated Design and Construction Approach

By: Vittorio Guglielmetti,Shulin Xu,Gianni Alberto Arrigoni,Piergiorgio Grasso

The design and construction of “long and deep” tunnels, i.e. tunnels under mountains, characterised by either considerable length and/or overburden, represent a considerable challenge. The scope of this book is not to instruct how to design and construct such tunnels but to share a method to identify the potential hazards related to the process of designing and constructing long and deep tunnels, to produce a relevant comprehensive analysis and listing, to quantify the probability and consequences, and to design proper mitigation measures and countermeasures. The design, developed using probabilistic methods, is verified during execution by means of the so called Plan for Advance of the Tunnel (PAT) method, which allows adapting the design and control parameters of the future stretches of the tunnel to the results of the stretches already finished, using the monitoring data base. Numerous criteria are given to identify the key parameters, necessary for the PAT procedure. Best practices of excavation management with the help of real time monitoring and control are also provided. Furthermore cost and time evaluation systems are analysed. Finally, contractual aspects related to construction by contract are investigated, for best development and application of models more appropriate for tunnelling-construction contracts. The work will be of interest to practising engineers, designers, consultants and students in mining, underground, tunnelling, transportation and construction engineering, as well as to foundation and geological engineers, urban planners/developers and architects.

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Page Count

1336

Publisher

CRC Press

Published Date

ISBN 10

0415558549

ISBN 13

9780415558549

Assessing L2 Digital Multimodal Composing Competence

By: Emily Di Zhang,Shulin Yu

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Assessing L2 Digital Multimodal Composing Competence

By: Emily Di Zhang,Shulin Yu

This book focuses on assessing L2 student digital multimodal composing (DMC) competence. It explores key themes, including the conceptualization of L2 student DMC competence, and the development, validation, and utilization of L2 student DMC competence in the tertiary context. Through a thorough review of the DMC literature, the book furnishes readers with a theoretical framework to comprehensively grasp the underlying constructs of L2 student DMC competence. It also provides a delineation of the process of scale development, i.e., defining constructs, constructing items, and analyzing items, scale validation, i.e., the structural, external, and consequential construct validity of the scale, and scale utilization in students’ DMC self- and peer-assessment practices. This practical guidance equips educators and practitioners with the necessary tools and strategies to effectively assess and enhance L2 students’ DMC competence. Scholars and professionals in the fields of L2 writing, language assessment, digital literacy, and technology-enhanced language learning will gain valuable insights from the content.

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Page Count

135

Publisher

Taylor & Francis

Published Date

ISBN 10

1040091539

ISBN 13

9781040091531

Multifunctional Metasurfaces

Design Principles and Device Realizations

By: He-Xiu Xu,Shiwei Tang,Tong Cai,Shulin Sun,Qiong He,Lei Zhou

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Multifunctional Metasurfaces

Design Principles and Device Realizations

By: He-Xiu Xu,Shiwei Tang,Tong Cai,Shulin Sun,Qiong He,Lei Zhou

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Page Count

186

Publisher

Morgan & Claypool Publishers

Published Date

ISBN 10

1681738953

ISBN 13

9781681738956

Book's by Shulin Sun

Multifunctional Metasurfaces

Multifunctional Metasurfaces

China's Industrial Technology

China's Industrial Technology

Long and Deep Tunnels

Long and Deep Tunnels

Assessing L2 Digital Multimodal Composing Competence

Assessing L2 Digital Multimodal Composing Competence

Multifunctional Metasurfaces

Multifunctional Metasurfaces

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