Ibhodlela le-cryogenic Dewar, elenziwa nguSir James Dewar ngo-1892, liyisiqukathi sokugcina izinto. Isetshenziswa kabanzi ekuthuthweni nasekubekweni kokuphakathi okuwuketshezi (i-nitrogen ewuketshezi, i-oxygen engamanzi, i-argon ewuketshezi, njll.) Kanye nomthombo obandayo weminye imishini yesiqandisi. I-cryogenic Dewar c ...
Funda kabanzi