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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Journal of science education and technology 2 (1993), S. 565-584 
    ISSN: 1573-1839
    Keywords: CALL ; CALI ; CAI ; communication ; computers ; electronic mail ; foreign language teaching and learning ; networks ; networking ; task-based learning
    Source: Springer Online Journal Archives 1860-2000
    Topics: Natural Sciences in General , Technology
    Notes: Abstract From 1988 to 1990 several collaborative “cross-country” intermediate French classes at Harvard and Stanford became one class. Students combined their efforts and insights in the accomplishment of a semester-long task, in most cases the publication of a student newspaper or magazine, using the electronic mail (e-mail) network to contact each other, elaborate their plans, and bring their projects to successful conclusion. Additional experiments of a similar nature took place between Harvard and the University of Pittsburgh (in the spring of 1990) and between Stanford and the University of Pittsburgh during 1991–1993. This paper suggests that this type of task-oriented learning through distance-communication is applicable at many different course levels and has considerable merit as an approach to teaching and learning. The key phases of this task-based model are presented along with technological information regarding computers and networks, as a guide to colleagues interested in pursuing similar lines of experimental teaching. Also included are samples of student messages, with their varied and often highly colorful discourse features, which attest to the motivation of students and reveal the strong personal investment made by the participants as they join hands across the miles in a productive, communication-based enterprise. The language and learning styles generated by technology and computers fully deserve closer investigation by researchers and teaching practitioners alike. The authors summarize the experiments, discuss assessment, and present research issues, concluding that good pedagogy and quality technology must share a vision of what can be accomplished in this rapidly evolving educational work place.
    Type of Medium: Electronic Resource
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  • 2
    Publication Date: 2019-07-12
    Description: An electrolytic cell for generating hydrogen peroxide is provided including a cathode containing a catalyst for the reduction of oxygen, and an anode containing a catalyst for the oxidation of water. A polymer membrane, semipermeable to either protons or hydroxide ions is also included and has a first face interfacing to the cathode and a second face interfacing to the anode so that when a stream of water containing dissolved oxygen or oxygen bubbles is passed over the cathode and a stream of water is passed over the anode, and an electric current is passed between the anode and the cathode, hydrogen peroxide is generated at the cathode and oxygen is generated at the anode.
    Keywords: Inorganic, Organic and Physical Chemistry
    Format: application/pdf
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