Iyo cryogenic Dewar bhodhoro, rakagadzirwa naSir James Dewar muna 1892, mudziyo wakasungirirwa wekuchengetedza. Inoshandiswa zvakanyanya mukufambisa uye chengetedzo yemvura yepakati (mvura senitrogen, okisijeni emvura, mvura yeargon, nezvimwewo) uye inotonhorera sosi yemimwe midziyo yefiriji. Iyo cryogenic Dewar c ...
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