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  • 1
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    New Digital Media and Learning as an Emerging Area and "Worked Examples" as One Way Forward (2022)
    The MIT Press | The MIT Press
    Details
    Publication Date: 2022-02-21
    Description: A proposal to move the academic area of digital media and learning toward more coherence. In this report, noted scholar James Paul Gee discusses the evolution of digital media and learning (DMAL) from its infancy as an “academic area” into a more organized field or coherent discipline. Distinguishing among academic areas, fields, disciplinary specializations, and thematic disciplines, Gee describes other academic areas that have fallen into these categories or developed into established disciplines. He argues that DMAL will not evolve until a real coherence develops through collaboration and the accumulation of shared knowledge. Gee offers a concrete proposal of one way scholars in DMAL could move the area forward to a more cohesive, integrated, and collaborative enterprise: the production of what he terms “worked examples.” In Gee's sense of a worked example, scholars attempting to build the new area of DMAL would publicly display their methods of valuing and thinking about a specific problem, proposing them as examples of “good work” in order to engender debate about what such work in DMAL might come to look like and what shape the area itself might take. The goal would not be for the proposed approach to become the accepted one but for it to become fodder for new work and collaboration. Gee concludes by offering a sample worked example that illustrates his proposal.
    Keywords: Media studies ; Educational equipment and technology, computer-aided learning (CAL) ; bic Book Industry Communication::J Society & social sciences::JF Society & culture: general::JFD Media studies::JFDV Advertising & society ; bic Book Industry Communication::J Society & social sciences::JN Education::JNV Educational equipment & technology, computer-aided learning (CAL)
    Language: English
    Format: image/jpeg
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    E-BOOK
  • 2
    Electronic Resource
    Electronic Resource
    Heterogeneous phase equilibrium in the ethane-n-dodecane system (1969)
    s.l. : American Chemical Society
    Journal of chemical & engineering data 14 (1969), S. 292-295 
    Details
    ISSN: 1520-5134
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/je60042a021
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    HUMAN RIGHTS, BIOMEDICAL SCIENCE, AND INFECTIOUS DISEASES AMONG SOUTH AMERICAN INDIGENOUS GROUPS * (2005)
    Palo Alto, Calif. : Annual Reviews
    Annual Review of Anthropology 34 (2005), S. 639-665 
    Details
    ISSN: 0084-6570
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Ethnic Sciences , Biology
    Notes: Despite the efforts of international health agencies to reduce global health inequalities, indigenous populations around the world remain largely unaffected by such initiatives. This chapter reviews the biomedical literature indexed by the PubMed database published between 1963 and 2003 on South American indigenous populations, a total of 1864 studies that include 63,563 study participants. Some language family groupings are better represented than are others, and lowland groups are better represented than are highland groups. Very few studies focus on major health threats (e.g., tuberculosis, influenza), public health interventions, or mestizo-indigenous epidemiological comparisons. The prevalence rates of three frequently studied infectionsĐ??parasitism, human T-cell lymphotropic viral infection (HTLV), and hepatitisĐ??are extraordinarily high, but these facts have been overlooked by national and international health agencies. This review underscores the urgent need for interventions based on known disease prevalence rates to reduce the burden of infectious diseases in indigenous communities.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1146/annurev.anthro.32.061002.093406
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    HUMAN RIGHTS, BIOMEDICAL SCIENCE, AND INFECTIOUS DISEASES AMONG SOUTH AMERICAN INDIGENOUS GROUPS * (2005)
    Palo Alto, Calif. : Annual Reviews
    Annual Review of Anthropology 34 (2005), S. 639-665 
    Details
    ISSN: 0084-6570
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Ethnic Sciences , Biology
    Notes: Despite the efforts of international health agencies to reduce global health inequalities, indigenous populations around the world remain largely unaffected by such initiatives. This chapter reviews the biomedical literature indexed by the PubMed database published between 1963 and 2003 on South American indigenous populations, a total of 1864 studies that include 63,563 study participants. Some language family groupings are better represented than are others, and lowland groups are better represented than are highland groups. Very few studies focus on major health threats (e.g., tuberculosis, influenza), public health interventions, or mestizo-indigenous epidemiological comparisons. The prevalence rates of three frequently studied infectionsĐ??parasitism, human T-cell lymphotropic viral infection (HTLV), and hepatitisĐ??are extraordinarily high, but these facts have been overlooked by national and international health agencies. This review underscores the urgent need for interventions based on known disease prevalence rates to reduce the burden of infectious diseases in indigenous communities.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1146/annurev.anthro.32.061002.093406
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    A convenient method for the .alpha.-carbethoxylation of alkylnitriles (1977)
    s.l. : American Chemical Society
    The @journal of organic chemistry 42 (1977), S. 2009-2010 
    Details
    ISSN: 1520-6904
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/jo00431a040
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  • 6
    Electronic Resource
    Electronic Resource
    The theory and simulation of relativistic electron beam transport in the ion-focused regime (1992)
    New York, NY : American Institute of Physics (AIP)
    Physics of Fluids 4 (1992), S. 1332-1348 
    Details
    ISSN: 1089-7666
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Several recent experiments involving relativistic electron beam (REB) transport in plasma channels show two density regimes for efficient transport; a low-density regime known as the ion-focused regime (IFR) and a high-pressure regime. The results obtained in this paper use three separate models to explain the dependency of REB transport efficiency on the plasma density in the IFR. Conditions for efficient beam transport are determined by examining equilibrium solutions of the Vlasov–Maxwell equations under conditions relevant to IFR transport. The dynamic force balance required for efficient IFR transport is studied using the particle-in-cell (PIC) method. These simulations provide new insight into the transient beam front physics as well as the dynamic approach to IFR equilibrium. Nonlinear solutions to the beam envelope are constructed to explain oscillations in the beam envelope observed in the PIC simulations but not contained in the Vlasov equilibrium analysis. A test particle analysis is also developed as a method to visualize equilibrium solutions of the Vlasov equation. This not only provides further insight into the transport mechanism but also illustrates the connections between the three theories used to describe IFR transport. Separately these models provide valuable information about transverse beam confinement; together they provide a clear physical understanding of REB transport in the IFR.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.860088
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  • 7
    Electronic Resource
    Electronic Resource
    A spatially resolved optical emission sensor for plasma etch monitoring (1997)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 71 (1997), S. 1467-1468 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: A spatially resolved optical emission spectroscopy sensor has been developed, and the resulting reconstructed radial emission profiles from an ArI and ArII line compare well with Ar sputter etch uniformity profiles. The new sensor collects light from a wedge shaped field of view, and is rotated around a single collection point in order to observe the entire plasma through a relatively small viewpoint. © 1997 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.119938
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  • 8
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    Managing R&D Creatively ... BF Goodrich's Approach (1981)
    Saranac Lake, N.Y., etc. : Periodicals Archive Online (PAO)
    Management Review. 70:7 (1981:July) 37 
    Details
    ISSN: 0025-1895
    Topics: Economics
    URL: http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&res_dat=xri:pao:&rft_dat=xri:pao:article:7504-1981-070-07-000005
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  • 9
    Electronic Resource
    Electronic Resource
    Threatened fishes of the world:Percina pantherina (Moore & Reeves, 1955) (Percidae) (1996)
    Springer
    Environmental biology of fishes 45 (1996), S. 342-342 
    Details
    ISSN: 1573-5133
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00002525
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  • 10
    Electronic Resource
    Electronic Resource
    The dynamics of coupled nonlinear model Boltzmann equations (1987)
    Springer
    Journal of statistical physics 49 (1987), S. 607-660 
    Details
    ISSN: 1572-9613
    Keywords: Kinetic theory ; dynamical systems ; Boltzmann equations
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract A multispecies gas described by coupled nonlinear Boltzmann equations is studied as a dynamical system. Properties are determined of theN coupled nonlinear ODEs for the number densities obtained from the Boltzmann equations for the spatially uniform system ofN species undergoing binary scattering, removal, and regeneration in the presence of an external force field and a reservoir of background gas. The physically realizable setQ, the nonnegative cone in theN-dimensional phase space of species number densities, is established as invariant under the flow. The fixed-point equations for the ODEs are shown to be equivalent to 2 N linear systems, and conditions for the stability and instability of the fixed points are then established. Stable fixed points are demonstrated to exist inQ by showing that they enter via a sequence of transcritical bifurcations as physical parameters are varied. For the two-species case the typical global structure of the solutions is established. Various particular cases are described including one which possesses an infinite family of periodic solutions and one that depends delicately upon initial conditions due to a separatrix that separatesQ into two invariant sets.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01009350
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