Amathangi okugcina oxygen
I-Dewar Flask ephezulu yenzelwe ukuhlinzeka ngokufakwa okuphezulu okushisayo, okwenza kube kuhle ngezicelo ezidinga ukuqina kokushisa kwesikhathi eside.
I-Dewar Flask ephezulu yenzelwe ukuhlinzeka ngokufakwa okuphezulu okushisayo, okwenza kube kuhle ngezicelo ezidinga ukuqina kokushisa kwesikhathi eside. Noma ngabe isetshenziselwa ukugcina amasampula endalo, amakhemikhali, noma ukuthutha uketshezi lwe-cryogenic, le flask iqinisekisa ukuthi okuqukethwe kwakho kuhlala kumazinga okushisa afiselekayo ezikhathini ezengeziwe. Ubuchwepheshe bayo bokufakwa kwe-vacuum ethuthukisiwe bunciphisa ukudluliswa kokushisa, okunikeza ukusebenza kahle kanye nokwethenjwa. Iphelele izilungiselelo zelebhu, izikhungo zezokwelapha, kanye nezicelo zezimboni, le flask ye-dewar ihlanganisa ukuqina ngokusebenza okuphezulu ukuze kuhlangatshezwane nezidingo ezifunwa kakhulu.