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  • Cell Press
  • Springer Nature
  • English  (12)
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  • 1
    Publication Date: 2024-04-07
    Description: This open access book contains a structured collection of the complete solutions of all essential axisymmetric contact problems. Based on a systematic distinction regarding the type of contact, the regime of friction and the contact geometry, a multitude of technically relevant contact problems from mechanical engineering, the automotive industry and medical engineering are discussed. In addition to contact problems between isotropic elastic and viscoelastic media, contact problems between transversal-isotropic elastic materials and functionally graded materials are addressed, too. The optimization of the latter is a focus of current research especially in the fields of actuator technology and biomechanics. The book takes into account adhesive effects which allow access to contact-mechanical questions about micro- and nano-electromechanical systems. Solutions of the contact problems include both the relationships between the macroscopic force, displacement and contact length, as well as the stress and displacement fields at the surface and, if appropriate, within the half-space medium. Solutions are always obtained with the simplest available method - usually with the method of dimensionality reduction (MDR) or approaches which use the solution of the non-adhesive normal contact problem to solve the respective contact problem.
    Keywords: Engineering ; Mechanics ; Mechanics, Applied ; Mechanics ; Applied mathematics ; Engineering mathematics ; thema EDItEUR::P Mathematics and Science::PH Physics::PHD Classical mechanics ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues::TBJ Maths for engineers ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TG Mechanical engineering and materials::TGM Materials science::TGMD Engineering: Mechanics of solids
    Language: English
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  • 2
    Publication Date: 2024-03-23
    Description: This open access book presents a person-centered exploration of student profiles, using variables related to motivation to do school mathematics derived from the IEA’s Trends in International Mathematics and Science Study (TIMSS) data. Statistical cluster analysis is used to identify groups of students with similar motivational profiles, across grades and over time, for multiple participating countries. While motivational variables systematically relate to school outcomes, linear relationships can obscure the diverse makeup of student subgroups, each with varying combinations of motivation, emotions, and attitudes. In this book, a person-centered analysis of distinct and meaningful motivational profiles and their differences on sociodemographic variables and mathematics performance broadens understanding about the role that motivation characteristics play in learning and achievement in mathematics. Exploiting the richness of IEA’s TIMSS data from many countries, extracted clusters reveal consistent, as well as certain nuanced patterns that are systematically linked to sociodemographic and achievement measures. Student clusters with inconsistent motivational profiles were found in all countries; mathematics self-confidence then emerged as the variable more closely associated with average achievement. The findings demonstrate that teachers, researchers, and policymakers need to take into account differential student profiles, prioritizing techniques that target skill and competence in mathematics, in educational efforts to develop student motivation.
    Keywords: Education ; Assessment ; Educational psychology ; Education—Psychology ; Statistics  ; International education  ; Comparative education ; thema EDItEUR::J Society and Social Sciences::JH Sociology and anthropology::JHB Sociology::JHBC Social research and statistics ; thema EDItEUR::J Society and Social Sciences::JN Education ; thema EDItEUR::J Society and Social Sciences::JN Education::JNC Educational psychology ; thema EDItEUR::J Society and Social Sciences::JN Education::JND Educational systems and structures::JNDH Education: examinations and assessment
    Language: English
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  • 3
    Publication Date: 2023-12-20
    Description: This book is based on the findings of a long-term (2000-2014) interdisciplinary research project of the University of Hohenheim in collaboration with several universities in Thailand and Vietnam. Titled Sustainable Land Use and Rural Development in Mountainous Areas in Southeast Asia, or the Uplands Program, the project aims to contribute through agricultural research to the conservation of natural resources and the improvement of living conditions of the rural population in the mountainous regions of Southeast Asia. Having three objectives the book first aims to give an interdisciplinary account of the drivers, consequences and challenges of ongoing changes in mountainous areas of Southeast Asia. Second, the book describes how innovation processes can contribute to addressing these challenges and third, how knowledge creation to support change in policies and institutions can assist in sustainably develop mountain areas and people’s livelihoods.
    Keywords: HD28-70 ; K1-7720 ; GE1-350 ; TP248.13-248.65 ; TS1-2301 ; HG1-9999 ; RS1-441 ; QE1-996.5 ; Landscape/Regional and Urban Planning ; Sustainable Development ; Agriculture ; bic Book Industry Communication::K Economics, finance, business & management::KJ Business & management::KJM Management & management techniques::KJMV Management of specific areas
    Language: English
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  • 4
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    Springer Nature | Springer International Publishing
    Publication Date: 2024-04-04
    Description: This open access textbook, like Rayleigh’s classic Theory of Sound, focuses on experiments and on approximation techniques rather than mathematical rigor. The second edition has benefited from comments and corrections provided by many acousticians, in particular those who have used the first edition in undergraduate and graduate courses. For example, phasor notation has been added to clearly distinguish complex variables, and there is a new section on radiation from an unbaffled piston. Drawing on over 40 years of teaching experience at UCLA, the Naval Postgraduate School, and Penn State, the author presents a uniform methodology, based on hydrodynamic fundamentals for analysis of lumped-element systems and wave propagation that can accommodate dissipative mechanisms and geometrically-complex media. Five chapters on vibration and elastic waves highlight modern applications, including viscoelasticity and resonance techniques for measurement of elastic moduli, while introducing analytical techniques and approximation strategies that are revisited in nine subsequent chapters describing all aspects of generation, transmission, scattering, and reception of waves in fluids. Problems integrate multiple concepts, and several include experimental data to provide experience in choosing optimal strategies for extraction of experimental results and their uncertainties. Fundamental physical principles that do not ordinarily appear in other acoustics textbooks, like adiabatic invariance, similitude, the Kramers-Kronig relations, and the equipartition theorem, are shown to provide independent tests of results obtained from numerical solutions, commercial software, and simulations. Thanks to the Veneklasen Research Foundation, this popular textbook is now open access, making the e-book available for free download worldwide. Provides graduate-level treatment of acoustics and vibration suitable for use in courses, for self-study, and as a reference Highlights fundamental physical principles that can provide independent tests of the validity of numerical solutions, commercial software, and computer simulations Demonstrates approximation techniques that greatly simplify the mathematics without a substantial decrease in accuracy Incorporates a hydrodynamic approach to the acoustics of sound in fluids that provides a uniform methodology for analysis of lumped-element systems and wave propagation Emphasizes actual applications as examples of topics explained in the text Includes realistic end-of-chapter problems, some including experimental data, as well as a Solutions Manual for instructors. Features “Talk Like an Acoustician“ boxes to highlight key terms introduced in the text.
    Keywords: Acoustics ; Engineering Acoustics ; Mechanical Engineering ; Waves in fluids ; Acoustics textbook ; Elastic waves ; Physical acoustics ; Electroacoustic transduction ; Acoustic radiation ; Harmonic oscillators ; Acoustic wave propagation ; Approximation techniques ; Similitude in acoustics and vibration ; Modes of enclosures ; Waveguides ; Nonlinear acoustics ; Acoustic levitation ; Open Access ; Wave mechanics (vibration & acoustics) ; Acoustic & sound engineering ; bic Book Industry Communication::P Mathematics & science::PH Physics::PHD Classical mechanics::PHDS Wave mechanics (vibration & acoustics) ; bic Book Industry Communication::T Technology, engineering, agriculture::TT Other technologies & applied sciences::TTA Acoustic & sound engineering ; bic Book Industry Communication::T Technology, engineering, agriculture::TG Mechanical engineering & materials::TGB Mechanical engineering ; thema EDItEUR::P Mathematics and Science::PH Physics::PHD Classical mechanics::PHDS Wave mechanics (vibration and acoustics) ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TT Other technologies and applied sciences::TTA Acoustic and sound engineering ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TG Mechanical engineering and materials::TGB Mechanical engineering
    Language: English
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  • 5
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    Springer Nature | Springer International Publishing
    Publication Date: 2023-01-22
    Description: This Open Access Brief presents the KAPSARC Global Energy Macroeconometric Model (KGEMM). KGEMM is a policy analysis tool for examining the impacts of domestic policy measures and global economic and energy shocks on the Kingdom of Saudi Arabia. The model has eight blocks (real sector, fiscal, monetary, external sector, price, labor and wages, energy, population, and age cohorts) that interact with each other to represent the Kingdom’s macroeconomy and energy linkages. It captures New Keynesian demand-side features anchored to medium-run equilibrium and long-run aggregate supply. It applies a cointegration and equilibrium correction modeling (ECM) methodology to time series data to estimate the model’s behavioral equations in the framework of Autometrics, a general-to-specific econometric modeling strategy. Hence, the model combines ‘theory-driven’ approach with ‘data-driven’ approach. The Brief begins with an introduction to the theoretical framework of the model and the KGEMM methodology and then walks the reader through the structure of the model and its behavioral equations. The book closes with simulations showing the application of the model. Providing a detailed introduction to a cutting-edge, robust predictive model, this Brief will be of great use to researchers and policymakers interested in macroeconomics, energy economics, econometrics, and more specifically, the economy of Saudi Arabia.
    Keywords: Saudi Arabia ; Macroeconometric model ; Equilibrium correction modeling ; Autometrics ; General-to-specific modeling strategy ; Energy price reform ; Saudi Vision 2030 ; bic Book Industry Communication::K Economics, finance, business & management::KC Economics::KCH Econometrics ; bic Book Industry Communication::K Economics, finance, business & management::KC Economics::KCB Macroeconomics ; bic Book Industry Communication::K Economics, finance, business & management::KC Economics::KCN Environmental economics ; bic Book Industry Communication::T Technology, engineering, agriculture::TH Energy technology & engineering
    Language: English
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  • 6
    Publication Date: 2024-04-07
    Description: This open access book presents simple, robust pre-field screening protocols that allow plant breeders to screen for enhanced tolerance to heat stress in rice. Two critical heat-sensitive stages in the lifecycle of the rice crop are targeted – the seedling and flowering stages – with screening based on simple phenotypic responses. The protocols are based on the use of a hydroponics system and/or pot experiments in a glasshouse in combination with a controlled growth chamber where the heat stress treatment is applied. The protocols are designed to be effective, simple, reproducible and user-friendly. The protocols will enable plant breeders to effectively reduce the number of plants from a few thousands to less than 100 candidate individual mutants or lines in a greenhouse/growth chamber, which can then be used for further testing and validation in the field conditions. The methods can also be used to classify rice genotypes according to their heat tolerance characteristics. Thus, different types of heat stress tolerance mechanisms can be identified, presenting opportunities for pyramiding different (mutant) sources of heat stress tolerance.
    Keywords: Life sciences ; Plant breeding ; Agriculture ; thema EDItEUR::P Mathematics and Science::PS Biology, life sciences::PST Botany and plant sciences ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TV Agriculture and farming::TVB Agricultural science
    Language: English
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  • 7
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    Springer Nature | Palgrave Macmillan
    Publication Date: 2022-11-19
    Description: This open access book provides the theoretical and pedagogical foundations for a promising new approach to civic education: using social media to teach civics. While many measures indicate that youth civic engagement has long been in decline, many of these measures fail to take into account all of the ways that youth can interact with civic life. One of these understudied ways is through social media, including platforms like Twitter, where young people have the opportunity to encounter the news, engage with people in power, and bring attention to the needs in their community. Throughout this volume, Chapman explores how and why teachers can use social media to teach civics, as well as how it might meet the needs of students in ways other approaches do not.
    Keywords: civic education ; civic engagement ; social media ; civic participation ; social justice ; social media education ; youth democracy ; youth citizenship ; bic Book Industry Communication::J Society & social sciences::JN Education::JNF Educational strategies & policy ; bic Book Industry Communication::J Society & social sciences::JF Society & culture: general::JFC Cultural studies ; bic Book Industry Communication::J Society & social sciences::JN Education ; bic Book Industry Communication::J Society & social sciences::JF Society & culture: general::JFD Media studies ; bic Book Industry Communication::J Society & social sciences::JP Politics & government
    Language: English
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  • 8
    Publication Date: 2022-06-21
    Description: Writing manuscripts is central to the advance of scientific knowledge. For an early career aspiring scientist, writing first author manuscripts is an opportunity to develop critical skills and to credential their expertise. Writing manuscripts, however, is difficult, doubly so for scientists who use English as a second language. Many science students intentionally avoid a writing-intensive curriculum. Careful, thorough reviews of draft manuscripts are difficult to secure, and experienced scientific supervisors face more demands on their time than they have time available. Weak draft manuscripts discourage supervising scientists investing the time to coach revisions. It is easier for experienced scientists to ignore the request, or to simply rewrite the article. Early career scientists are motivated to address these barriers but specific advice is difficult to find, and much of this advice is behind a pay wall. This essential, open access text presents writing lessons organized as common errors, providing students and early-career researchers with an efficient way to learn, and mentors with a quick-reference guide to reviewing. Error descriptions include specific examples drawn from real-world experiences of other early-career writers, and suggestions for how to successfully address and avoid these in the future. Versions of this book have been used by Stanford University, UC Davis, Johns Hopkins, and numerous international institutions and organizations for over a decade. ;
    Keywords: Scientific writing ; Peer review ; Science manuscript writing ; ESL ; Writing for non-English speakers ; troubleshooting ; Journal article ; Review ; mentoring ; scientific review ; publishing ; scientific communication ; common errors ; early career scientist ; creating presentations ; publication ethics ; bic Book Industry Communication::M Medicine::MB Medicine: general issues ; bic Book Industry Communication::M Medicine::MB Medicine: general issues::MBG Medical equipment & techniques::MBGR Medical research ; bic Book Industry Communication::J Society & social sciences::JH Sociology & anthropology::JHB Sociology ; bic Book Industry Communication::J Society & social sciences::JF Society & culture: general::JFD Media studies ; bic Book Industry Communication::J Society & social sciences::JN Education::JNZ Study & learning skills: general
    Language: English
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  • 9
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    Springer Nature | Springer
    Publication Date: 2024-03-31
    Description: This unique and engaging open access title provides a compelling and ground-breaking account of the patient safety movement in the United States, told from the perspective of one of its most prominent leaders, and arguably the movement’s founder, Lucian L. Leape, MD. Covering the growth of the field from the late 1980s to 2015, Dr. Leape details the developments, actors, organizations, research, and policy-making activities that marked the evolution and major advances of patient safety in this time span. In addition, and perhaps most importantly, this book not only comprehensively details how and why human and systems errors too often occur in the process of providing health care, it also promotes an in-depth understanding of the principles and practices of patient safety, including how they were influenced by today’s modern safety sciences and systems theory and design. Indeed, the book emphasizes how the growing awareness of systems-design thinking and the self-education and commitment to improving patient safety, by not only Dr. Leape but a wide range of other clinicians and health executives from both the private and public sectors, all converged to drive forward the patient safety movement in the US. Making Healthcare Safe is divided into four parts: I. In the Beginning describes the research and theory that defined patient safety and the early initiatives to enhance it. II. Institutional Responses tells the stories of the efforts of the major organizations that began to apply the new concepts and make patient safety a reality. Most of these stories have not been previously told, so this account becomes their histories as well. III. Getting to Work provides in-depth analyses of four key issues that cut across disciplinary lines impacting patient safety which required special attention. IV. Creating a Culture of Safety looks to the future, marshalling the best thinking about what it will take to achieve the safe care we all deserve. Captivatingly written with an “insider’s” tone and a major contribution to the clinical literature, this title will be of immense value to health care professionals, to students in a range of academic disciplines, to medical trainees, to health administrators, to policymakers and even to lay readers with an interest in patient safety and in the critical quest to create safe care.
    Keywords: Internal Medicine ; Surgery ; patient safety ; high-risk industries ; system design ; silent epidemic ; workplace safety ; open access ; Clinical & internal medicine ; thema EDItEUR::M Medicine and Nursing::MJ Clinical and internal medicine ; thema EDItEUR::M Medicine and Nursing::MN Surgery
    Language: English
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  • 10
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    Springer Nature
    Publication Date: 2024-04-16
    Description: This open access book focuses on the concepts, tools and techniques needed to successfully model ever-changing time-series data. It emphasizes the need for general models to account for the complexities of the modern world and how these can be applied to a range of issues facing Earth, from modelling volcanic eruptions, carbon dioxide emissions and global temperatures, to modelling unemployment rates, wage inflation and population growth. Except where otherwise noted, this book is licensed under a Creative Commons Attribution 4.0 International License. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0.
    Keywords: Economics ; Management science ; Econometrics ; Environmental economics ; Economic history ; thema EDItEUR::K Economics, Finance, Business and Management::KC Economics::KCH Econometrics and economic statistics ; thema EDItEUR::K Economics, Finance, Business and Management::KC Economics::KCV Economics of specific sectors::KCVG Environmental economics ; thema EDItEUR::K Economics, Finance, Business and Management::KC Economics::KCZ Economic history
    Language: English
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