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  • 1
    Keywords: Antennas, Reflector. ; Electronic books.
    Type of Medium: Online Resource
    Pages: 1 online resource (270 pages)
    Edition: 1st ed.
    ISBN: 9780387697345
    Series Statement: Astrophysics and Space Science Library ; v.348
    DDC: 522.682
    Language: English
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  • 2
    Online Resource
    Online Resource
    Cham :Springer International Publishing AG,
    Keywords: Engineering-Study and teaching. ; Electronic books.
    Type of Medium: Online Resource
    Pages: 1 online resource (187 pages)
    Edition: 1st ed.
    ISBN: 9783319986661
    Series Statement: International and Development Education Series
    DDC: 507.11
    Language: English
    Note: Intro -- Preface: The Impact of STEM Research in a Knowledge-Based Society and the Need of Integrated Study of STEM and Other Disciplines -- Contents -- Notes on Contributors -- List of Figures -- List of Tables -- Series Editors' Introduction -- Chapter 1 Educational Policy Across the World: How STEM Disciplines Deal with Twenty-First Century Learning Outcomes and Challenges -- Introduction -- Science and Technology Policies Around the World -- US STEM Education Policies -- Australian STEM Education Policies -- English STEM Education Policies -- Japanese STEM Education Policies -- Twenty-First Century Learning Outcomes and STEM Education -- Stanford University Bing Overseas Studies Program (BOSP) -- Conclusion -- References -- Chapter 2 STEM and the History of the University Ranking Movement: Contextualizing Trends in Methodologies and Criteria -- Men of Science and Their Universities -- Graduate School Rankings -- The Ranking Explosion -- Conclusion -- References -- Chapter 3 STEM and Underrepresented Populations: What's at Stake -- Women and STEM -- Racial and Ethnic Minorities and STEM -- The Economically Disadvantaged and STEM -- Working Toward the "Best-Case" Scenario -- References -- Chapter 4 Exploring the Relationship Between STEM Research and World Higher Education Rankings: The Case of Taiwan -- Introduction -- University Types and Students in Taiwan: Statistical Trends of the Technology Field and Other Fields -- Top Four Universities' Rankings and Annual Research Funds of Research Divisions in MOST of Taiwan -- Comparison of Ranking Indicators of Three World Higher Education Rankings -- Comparison of Research Publication Outcomes of STEM and Non-STEM Fields in Taiwan, China, Japan, and the USA -- Programs and Strategies for Linking STEM with Other Disciplines in Higher Education in Taiwan -- Conclusion -- References. , Chapter 5 Finding the Humanities in STEM: Anthropological Reflections from Working at the Intersection -- An Ethnographic Opening -- Looking Back to Cybernetics -- An Interdisciplinary and Intercultural Ecology -- The Ecology of the Contemporary Moment -- Conclusion -- References -- Chapter 6 Developing Global Competencies Through Interdisciplinary Studies: Why Collaboration Is Important Between STEM and Non-STEM Students -- Introduction -- Globalization and STEM Demand -- STEAM: The Rise of a Symbiotic Relationship -- The University of Tsukuba, Empowerment Informatics Program -- Global Competency and the EMP Program -- Student Engagement -- Conclusion -- References -- Chapter 7 Not Just a Technical Problem: The Intersections of STEM and Social Science in Addressing Global Poverty -- Introduction -- Between Disciplines -- Disciplines and Development -- Methods -- Data Collection -- Analysis and Trustworthiness -- Findings -- Social Problems and Academic Solutions -- Poly-Epistemological -- Conclusion -- References -- Chapter 8 Developing the Humanities Competencies of STEM Undergraduate Students: New Challenges for Korean Higher Education -- Introduction -- Key Features of Korean STEM Higher Education: Expansion and Transformation -- What Does It Mean to Have a Good Grounding in the Humanities? -- Research Method -- Data Collection and Sample -- Measurement -- Analyses -- Findings -- Current Humanities-Competency Levels of STEM Students -- Change of Humanities Competencies by Year -- Factors Associated with Humanities Competencies -- Conclusion -- References -- Chapter 9 Cultivating Students' Diverse Abilities Through Arts Education: Emergence of the STEAM Perspective -- Introduction -- From STEM to STEAM: Why the "Arts" Is Necessary -- STEAM Research in China -- General Goal of Arts Education Since 2000 -- Current Changes of Visual Art -- Conclusion. , References -- Chapter 10 STEM Education in a Changing Society: Japanese Experience and Urgent Problems to Be Solved -- Historical Perspective 1: Professional School Origin -- Historical Perspective 2: The German University Origin -- Language for STEM -- Status Quo and Comparison to the American System -- What Should Be Done? -- References -- Chapter 11 Concluding Remarks -- References -- Index.
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  • 3
    Online Resource
    Online Resource
    New York, NY :Springer,
    Keywords: Electronic books.
    Type of Medium: Online Resource
    Pages: 1 online resource (452 pages)
    Edition: 1st ed.
    ISBN: 9781475704952
    Series Statement: Advances in Experimental Medicine and Biology Series ; v.134
    Language: English
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  • 4
    Online Resource
    Online Resource
    Cham :Springer International Publishing AG,
    Keywords: Reflecting telescopes-Design and construction. ; Electronic books.
    Type of Medium: Online Resource
    Pages: 1 online resource (282 pages)
    Edition: 1st ed.
    ISBN: 9783319651484
    Series Statement: Astrophysics and Space Science Library ; v.447
    DDC: 522.2
    Language: English
    Note: Intro -- Preface -- Contents -- Chapter 1: Introduction -- Chapter 2: Evolution of the Telescope -- 2.1 Some History -- 2.1.1 Early Optical Telescope Efforts -- 2.1.2 Emergence of Electromagnetic (Radio) Waves -- 2.2 General Characteristics of Optical and Radio Telescopes -- 2.2.1 Introduction -- 2.2.2 Types of Telescope Mount and Optics -- 2.2.3 Alternative Geometrical Configurations -- 2.3 Technological Challenges for Radio Telescopes -- 2.4 Basic Specifications of a Reflector Radio Telescope -- 2.4.1 Reflector Precision -- 2.4.2 Pointing Precision -- 2.5 Summary -- Addendum: Geometry of Optical Configuration -- References -- Chapter 3: Birth of Radio Astronomy -- 3.1 Early History of Radio Telescopes -- 3.1.1 Jansky´s Bruce Antenna -- 3.1.2 Reber´s Transit Paraboloidal Reflector -- 3.1.3 Würzburg Riese Radar Antenna -- 3.2 The First Large Radio Telescopes -- 3.2.1 Dwingeloo (NL) and Stockert (BRD) Telescopes -- 3.2.1.1 Dwingeloo -- 3.2.1.2 Stockert -- 3.2.2 A Comment on Accessibility of the Focal Point -- 3.2.3 Jodrell Bank (UK): Lovell Telescope (76 m) -- 3.2.4 Parkes (Australia) 64 m Telescope -- 3.2.5 NRAO (USA): 140-ft and 300-ft Telescopes -- 3.2.5.1 NRAO 140-ft Equatorial Telescope: An Expensive and Slow Project -- 3.2.5.2 NRAO 300-ft Transit Telescope: A Cheap and Quick Deal -- 3.2.6 The 120-ft Haystack Antenna of MIT Lincoln Laboratory -- 3.3 Conclusion -- References -- Chapter 4: Structural Design of Reflector Antennas: Homology -- 4.1 Introduction -- 4.2 The Design of Homologous Structures -- 4.3 The Design of a 65-m Homologous mm Telescope -- 4.4 The Effelsberg 100-m Radio Telescope -- 4.4.1 The German Proposal for a Giant Radio Telescope -- 4.4.2 A Comment on the Homologous Behaviour of a Structure -- 4.4.3 The Industrial Design Proposals -- 4.4.4 The Final Design and Realisation -- 4.5 Backup Structure and Deformation Patterns. , 4.5.1 The Design Approach of the Effelsberg Backup Structure -- 4.5.2 Interpretation of the Load Cases of the Effelsberg Reflector -- 4.5.2.1 Zenith Position -- 4.5.2.2 Horizon Position -- 4.5.3 Load Case Superposition -- 4.5.4 The Deformation Behaviour of the Effelsberg Reflector -- 4.5.5 Performance Limits of the Effelsberg Reflector Principle -- 4.6 Four-Point Reflector Support -- 4.6.1 Introduction -- 4.6.2 The Westerbork Array of 25-m Antennas -- 4.6.3 The MERLIN Antenna with a Perfect Four-Point Support -- 4.6.4 The Joined Four-Point Support of the IGN 40-m Telescope -- 4.7 Conclusion -- References -- Chapter 5: Emergence of Millimetre-Wavelength Telescopes -- 5.1 Into mm Wavelengths -- 5.2 The NRAO 36-ft Antenna -- 5.3 The IRAM 30-m Telescope (MRT) -- 5.3.1 Introduction: Performance Specification -- 5.3.2 The Design Selection -- 5.3.3 The Structural Concept of the MRT -- 5.3.4 The Deformation Behaviour of the MRT -- 5.3.4.1 Load Case in Zenith Position -- 5.3.4.2 Load Case in Horizon Position -- 5.3.4.3 The Deformation Behaviour of the Final Improved Design -- 5.3.5 Overall Surface Error of the Actual Telescope -- 5.3.6 Thermal Effects and Their Control -- 5.3.7 Conclusion -- 5.4 The Large Millimeter Telescope -- 5.4.1 Conceptual Design Phase -- 5.4.2 Towards a Final LMT Design -- 5.4.3 The Final Design of the LMT/GTM -- 5.4.4 Short Review of Surface Panel Technology -- 5.4.5 The Isostatic Reflector Segments of the LMT -- 5.4.6 Flexible Body Control (FBC) -- 5.4.7 Concluding Remark on the LMT/GTM -- 5.5 The Nobeyama 45-m Millimeter Telescope -- 5.6 Conclusion -- Addendum: Thermal Effects and Their Control -- References -- Chapter 6: Submillimetre-Wavelength Telescopes -- 6.1 Introduction -- 6.2 Leighton Dish and CSO Telescope -- 6.3 CFRP Telescopes: IRAM 15-m and HHT -- 6.3.1 The IRAM Interferometer Antennas. , 6.3.2 The Heinrich Hertz (Submillimeter) Telescope (HHT) -- 6.4 Atacama Large Millimeter Array (ALMA) Antennas -- 6.4.1 Introduction -- 6.4.2 Test Program and Performance of the ALMA Prototype Antennas -- 6.4.3 Remark on the Circular BUS/ELC Interface Concept -- 6.4.4 Comparison of the Designs from AEM/EIE and Vertex -- 6.4.4.1 Comparison of Structural Design -- 6.4.4.2 Weight -- 6.4.4.3 Deformation Behaviour -- 6.4.4.4 Interpretation of the Astigmatism from Basic Structural Mechanics -- 6.4.4.5 Comparison of the Bearing and Drive Systems -- 6.4.4.6 Dynamic Behaviour, Structural Resonance Frequencies -- 6.4.5 Conclusion -- References -- Chapter 7: Alternative Reflector Geometries -- 7.1 Telescopes with Fixed Main Reflectors -- 7.2 The Giant Metrewave Radio Telescope (GMRT) in India -- 7.3 Large Horn Antennas -- 7.4 Offset Reflector Antennas -- 7.4.1 Introduction -- 7.4.2 Allen Telescope Array (ATA) -- 7.4.3 MeerKAT and Square Kilometre Array (SKA) -- 7.4.4 Green Bank Telescope (GBT) -- Addendum: Remarks on Wheel-On-Track Systems -- References -- Chapter 8: Electromagnetic Aspects of the Reflector Antenna -- 8.1 Introduction -- 8.2 Radiation Pattern of a Circular Aperture -- 8.3 Major Parameters of the Reflector Antenna -- 8.4 Influence of Imperfections on Performance -- 8.4.1 Illumination, Spillover and Polarisation Efficiency -- 8.4.2 Radiation Efficiency -- 8.4.3 Small-Scale Surface Error (Scattering) Efficiency -- 8.4.4 Large-Scale Deformation: Representation by Zernike Polynomials -- 8.4.5 Blocking Efficiency -- 8.4.6 Lateral and Axial Defocus: Gain Loss -- 8.4.7 Beam Deviation Factor (BDF) -- 8.4.8 Conclusion -- 8.5 Measuring Antenna Parameters with Cosmic Sources -- 8.5.1 Antenna Gain and Beam Pattern -- 8.5.2 Antenna Pointing -- 8.6 Radio Holographic Measurement of Reflector Profile -- 8.7 Progress in Electromagnetic Design. , 8.7.1 Historical Introduction -- 8.7.2 Radio Astronomy and Communication Approaches Differ -- 8.7.3 Exploiting the Focal Plane -- 8.7.3.1 Multi-feed System with Independent Pixels -- 8.7.3.2 Phased-Array Feeds (PAF) -- 8.8 Conclusion -- Addendum: Aberrations and Zernike Polynomials -- References -- Chapter 9: Concluding Review and a Dialogue on Management Aspects -- 9.1 Concluding Review -- 9.2 A Dialogue on Management Aspects -- 9.2.1 Customer and Contractor -- 9.2.2 Project Management and System Engineering -- 9.2.3 Technological Aspects -- 9.2.4 Industrialisation Aspects, Costs -- 9.2.5 Manufacturing in Foreign Countries -- 9.2.6 Product Delivery, Commissioning -- Acronyms and Abbreviations -- Glossary -- Name Index -- Subject Index.
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  • 5
    Online Resource
    Online Resource
    Cham :Springer International Publishing AG,
    Keywords: Thermodynamics. ; Electronic books.
    Type of Medium: Online Resource
    Pages: 1 online resource (220 pages)
    Edition: 2nd ed.
    ISBN: 9783319578354
    Series Statement: International Cryogenics Monograph Series
    Language: English
    Note: Intro -- Preface to the Second Edition -- Preface to the First Edition -- Acknowledgements -- Contents -- Symbols -- Subscripts -- Superscripts -- 1 Importance and Uses of Cryogenic Fluid Properties -- 1.1 Thermodynamic Property Information -- 1.2 Thermodynamic Property Formulations -- 1.3 Special Considerations for Modeling Cryogenic Fluids -- 1.4 Computer Programs for Thermodynamic Property Calculation -- References -- 2 Equation of State Development and Use -- 2.1 Fundamental Equations of State -- 2.2 Development of Thermodynamic Property Formulations -- 2.2.1 Thermodynamic Property Data Correlation -- 2.2.2 Least-Squares Regression -- 2.2.3 Non-linear Least-Squares Regression -- 2.2.4 Criteria for Equations of State -- 2.2.5 Critical Region Behavior -- 2.3 Use of Fundamental Equations of State for Cryogenic Fluids -- 2.4 Ancillary Functions -- References -- 3 Helium -- 3.1 Formulation for Helium -- 3.2 Property Plots for Helium -- 3.3 Thermodynamic Data Tables for Helium -- References -- 4 Hydrogen -- 4.1 Formulation for Parahydrogen -- 4.2 Property Plots for Parahydrogen -- 4.3 Thermodynamic Data Tables for Parahydrogen -- 4.4 Formulation for Normal Hydrogen -- 4.5 Property Plots for Normal Hydrogen -- 4.6 Thermodynamic Property Tables for Normal Hydrogen -- 4.7 Formulation for Orthohydrogen -- References -- 5 Deuterium -- 5.1 Formulation for Deuterium -- 5.2 Property Plots for Deuterium -- 5.3 Thermodynamic Data Tables for Deuterium -- References -- 6 Neon -- 6.1 Formulation for Neon -- 6.2 Property Plots for Neon -- 6.3 Thermodynamic Data Tables for Neon -- Reference -- 7 Nitrogen -- 7.1 Formulation for Nitrogen -- 7.2 Property Plots for Nitrogen -- 7.3 Thermodynamic Data Tables for Nitrogen -- Reference -- 8 Air -- 8.1 Formulation for Air -- 8.2 Property Plots for Air -- 8.3 Thermodynamic Data Tables for Air -- Reference. , 9 Carbon Monoxide -- 9.1 Formulation for Carbon Monoxide -- 9.2 Property Plots for Carbon Monoxide -- 9.3 Thermodynamic Data Tables for Carbon Monoxide -- Reference -- 10 Fluorine -- 10.1 Formulation for Fluorine -- 10.2 Property Plots for Fluorine -- 10.3 Thermodynamic Data Tables for Fluorine -- Reference -- 11 Argon -- 11.1 Formulation for Argon -- 11.2 Property Plots for Argon -- 11.3 Thermodynamic Data Tables for Argon -- Reference -- 12 Oxygen -- 12.1 Formulation for Oxygen -- 12.2 Property Plots for Oxygen -- 12.3 Thermodynamic Data Tables for Oxygen -- Reference -- 13 Methane -- 13.1 Formulation for Methane -- 13.2 Property Plots for Methane -- 13.3 Thermodynamic Data Tables for Methane -- Reference -- 14 Krypton -- 14.1 Formulation for Krypton -- 14.2 Property Plots for Krypton -- 14.3 Thermodynamic Data Tables for Krypton -- Reference -- Index.
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  • 6
    Publication Date: 2023-11-25
    Description: The uncertain response of marine terminating outlet glaciers to climate change at time scales beyond short-term observation limits models of future sea level rise. At temperate tidewater margins, abundant subglacial meltwater forms morainal banks (marine shoals) or ice-contact deltas that reduce water depth, stabilizing grounding lines and slowing or reversing glacial retreat. Here we present a radiocarbon-dated record from Integrated Ocean Drilling Program (IODP) Site U1421 that tracks the terminus of the largest Alaskan Cordilleran Ice Sheet outlet glacier during Last Glacial Maximum climate transitions. Sedimentation rates, ice-rafted debris, and microfossil and biogeochemical proxies, show repeated abrupt collapses and slow advances typical of the tidewater glacier cycle observed in modern systems. When global sea level rise exceeded the local rate of bank building, the cycle of readvances stopped leading to irreversible retreat. These results support theory that suggests sediment dynamics can control tidewater terminus position on an open shelf under temperate conditions delaying climate-driven retreat.
    Keywords: Cordilleran Ice Sheet; deglacial; Gulf of Alaska; Integrated Ocean Drilling Program / International Ocean Discovery Program; IODP; LGM
    Type: Dataset
    Format: application/zip, 9 datasets
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  • 7
    Publication Date: 2023-11-25
    Keywords: 341-U1421A; 341-U1421C; Age, 14C AMS; Age, 14C calibrated; Age, dated; Age, dated material; Age, dated standard error; Calendar age; Calendar age, error to older; Calendar age, error to younger; Calendar age, maximum/old; Calendar age, minimum/young; Carbon-14, modern; Carbon-14, modern, error; Comment; Cordilleran Ice Sheet; deglacial; Depth, bottom/max; Depth, composite; Depth, composite bottom; Depth, composite top; Depth, error; Depth, top/min; DRILL; Drilling/drill rig; DSDP/ODP/IODP sample designation; Event label; Exp341; Gulf of Alaska; Integrated Ocean Drilling Program / International Ocean Discovery Program; IODP; IODP Depth Scale Terminology; Joides Resolution; Laboratory code/label; Length; LGM; Sample code/label; Sample code/label 2; Sample ID; Southern Alaska Margin: Tectonics, Climate and Sedimentation; δ13C; δ13C, standard error
    Type: Dataset
    Format: text/tab-separated-values, 538 data points
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  • 8
    Publication Date: 2023-11-25
    Keywords: 341-U1421; Age model; COMPCORE; Composite Core; Cordilleran Ice Sheet; deglacial; DEPTH, sediment/rock; Exp341; Gulf of Alaska; Integrated Ocean Drilling Program / International Ocean Discovery Program; IODP; IODP Depth Scale Terminology; Joides Resolution; LGM; Southern Alaska Margin: Tectonics, Climate and Sedimentation
    Type: Dataset
    Format: text/tab-separated-values, 210007 data points
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  • 9
    Publication Date: 2023-11-25
    Keywords: 341-U1421; AGE; COMPCORE; Composite Core; Cordilleran Ice Sheet; deglacial; Exp341; Gulf of Alaska; Integrated Ocean Drilling Program / International Ocean Discovery Program; IODP; Joides Resolution; LGM; Sedimentation rate; Southern Alaska Margin: Tectonics, Climate and Sedimentation
    Type: Dataset
    Format: text/tab-separated-values, 672 data points
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  • 10
    Publication Date: 2023-11-25
    Keywords: -; 341-U1421A; 341-U1421C; AGE; Cordilleran Ice Sheet; deglacial; Depth, bottom/max; Depth, composite; Depth, composite bottom; Depth, composite top; Depth, top/min; DRILL; Drilling/drill rig; DSDP/ODP/IODP sample designation; Epistominella pacifica, δ13C; Epistominella pacifica, δ18O; Event label; Exp341; Gulf of Alaska; Integrated Ocean Drilling Program / International Ocean Discovery Program; IODP; IODP Depth Scale Terminology; Joides Resolution; Laboratory code/label; LGM; Mass spectrometer Finnigan MAT 252; Neogloboquadrina pachyderma, δ13C; Neogloboquadrina pachyderma, δ18O; Sample code/label; Sample code/label 2; Southern Alaska Margin: Tectonics, Climate and Sedimentation; Uvigerina peregrina, δ13C; Uvigerina peregrina, δ18O
    Type: Dataset
    Format: text/tab-separated-values, 527 data points
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