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Thermal collector and PVT collector
The present invention relates to a thermal collector which comprises a glass cover (1) and an absorber plate (3), wherein the glass cover (1) is separated from the absorber plate (3) by an air layer and the distance between the glass cover (1) and the absorber plate (3) is adjustable.openaire
The Clearing House: A Journal of Educational Strategies, Issues and Ideas, 1976
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"Once a collector, always a collector".
IAVI report : newsletter on international AIDS vaccine research, 2014One of the world's largest collections of AIDS posters can be found at the University of Rochester. It contains more than 6200 posters from over 100 countries in over 60 languages, and can be viewed at http://aep.lib.rochester.edu. The posters were donated by Dr. Edward Atwater, an emeritus professor of medicine at the University of Rochester.
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