55,582 research outputs found

    The Scottish context for the curriculum

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    Focuses on pupils, teachers, classrooms or schools - as a means of conveying some of the interpersonal subtleties of teaching and learning in primary schools in Scotland

    Method of changing the conductivity of vapor deposited gallium arsenide by the introduction of water into the vapor deposition atmosphere Patent

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    Water content in vapor deposition atmosphere for forming n-type and p-type junctions of zinc doped gallium arsenid

    Simple method of making photovoltaic junctions Patent

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    Gallium arsenide solar cell preparation by surface deposition of cuprous iodide on thin n-type polycrystalline layers and heating in iodine vapo

    Purging the Past: The Current State of Lustration Laws in the Former Communist Bloc

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    Lustration laws are used in the nations of the former communist bloc to determine whether suspected individuals collaborated with the former state security service. An overview is presented of the current status of such laws

    Faint Blue Galaxies

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    The physical properties of the faint blue galaxy population are reviewed in the context of observational progress made via deep spectroscopic surveys and Hubble Space Telescope imaging of field galaxies at various limits, and theoretical models for the integrated star formation history of the Universe. Notwithstanding uncertainties in the properties of the local population of galaxies, convincing evidence has emerged from several independent studies for a rapid decline in the volume-averaged star formation rate of field galaxies since a redshift z~1. Together with the small angular sizes and modest mean redshift of the faintest detectable sources, these results can be understood in hierarchical models where the bulk of the star formation occurred at redshifts between z~1-2. The physical processes responsible for the subsequent demise of the faint blue galaxy population remains unclear. Considerable progress will be possible when the evolutionary trends can be monitored in the context of independent physical parameters such as the underlying galactic mass.Comment: 42 pages with 10 embedded figures available in gzipped postscript from ftp://ftp.ast.cam.ac.uk/pub/rse/annrev97.ps.gz To appear in Annual Reviews Astron. Astrophys. Vol 35, (1997
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