993 research outputs found

    A Review of the Open Educational Resources (OER) Movement: Achievements, Challenges, and New Opportunities

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    Examines the state of the foundation's efforts to improve educational opportunities worldwide through universal access to and use of high-quality academic content

    Letter from L. Seely to Mr. Yale

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    https://digitalcommons.salve.edu/goelet-miscellaneous/1023/thumbnail.jp

    Optimization of the leak conductance in the squid giant axon

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    We report on a theoretical study showing that the leak conductance density, \GL, in the squid giant axon appears to be optimal for the action potential firing frequency. More precisely, the standard assumption that the leak current is composed of chloride ions leads to the result that the experimental value for \GL is very close to the optimal value in the Hodgkin-Huxley model which minimizes the absolute refractory period of the action potential, thereby maximizing the maximum firing frequency under stimulation by sharp, brief input current spikes to one end of the axon. The measured value of \GL also appears to be close to optimal for the frequency of repetitive firing caused by a constant current input to one end of the axon, especially when temperature variations are taken into account. If, by contrast, the leak current is assumed to be composed of separate voltage-independent sodium and potassium currents, then these optimizations are not observed.Comment: 9 pages; 9 figures; accepted for publication in Physical Review

    Study of the Corrective Actions Taken by College Students Relative to Product Dissatisfaction

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    Housing, Design, and Consumer Resource

    Workshop on computer applications in water management: proceedings of the 1995 workshop

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    Compiled and edited by L. Ahuja, J. Leppert, K. Rojas, E. Seely.Also published as: Great Plains Agricultural Council publication, no. 154.Includes bibliographical references.Presented at the Workshop on computer applications in water management: proceedings of the 1995 workshop held on May 23-25, 1995 at Colorado State University in Fort Collins, Colorado

    The Insertion of Human Factors Concerns into NextGen Programmatic Decisions

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    Since the costs of proposed improvements in air traffic management exceed available funding, FAA decision makers must select and prioritize what actually gets implemented. We discuss a set of methods to help forecast operational and human performance issues and benefits before new automation is introduced. This strategy could minimize the impact of politics, assist decision makers in selecting and prioritizing potential improvements, make the process more transparent and strengthen the link between the engineering and human factors domains
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