منابع مشابه
Treatment and Disposal of Gypsum Board Waste -- Industry Position Paper
Background Gypsum, or calcium sulfate dihydrate, (CaSO4 l 2H2O) is the major component of drywall, or gypsum board, core. It is a naturally occurring mineral, deposited largely as a result of the evaporation of water in ancient inland seas, which contained large amounts of dissolved gypsum. For example, the evaporation of a typical 20,000 gallon residential swimming pool filled with seawater wi...
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متن کاملPosition Paper
Introduction We have done some initial work investigating what conditions are necessary for the formation of ‘glue’ to keep an online community together. One condition of the ‘glue’ is community knowledge. We are also investigating a particular representation framework on which community knowledge can be built and used. These are briefly discussed below, along with particular ideas we would lik...
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ژورنال
عنوان ژورنال: Infection Control & Hospital Epidemiology
سال: 1991
ISSN: 0899-823X,1559-6834
DOI: 10.1017/s0899823x00086840