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The sievert (symbol Sv) is an SI derived unit of radiation dose. It is defined as the dose received in one hour at a distance of 1 cm from a point source of 1 mg of radium in a 0.5 mm thick platinum enclosure. It is approximately equivalent to 8.4 röntgens or 21.6 curie/kilogram.

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Sanskrit language

... certain sounds are separate phonemes or allophones of one phoneme. The Sanskrit syllabary serves as a model for all Indian language writing systems except Urdu. For the ...

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