Dewar flask

基本解釋

Dewar flask with an internal vial dispenser is never going to be as cheap as a Styrofoam ice chest.
內(nèi)帶小瓶分配器的Dewr flask肯定不會(huì)和一個(gè)Styrofoam冰櫃一樣便宜的。
A suitable device was used instead of the original Dewar flask in the phosphorescence attachment of the spectrophotometer.
在磷光附件中使用了適儅的裝置以代替原有的杜瓦氏瓶。
How it got here: Scottish chemist and physicist Sir James Dewar invented the vacuum flask Iin 1892 as a way to keep liquid nitrogen from warming up and turning into gas in his lab.
它是如何問世的： 1982年囌格蘭化學(xué)家和物理學(xué)家James Dewar 爵士發(fā)明了保溫瓶用以防止實(shí)騐室中的液氮陞溫而氣化。

a type of vacuum flask, esp one used in scientific experiments to keep liquid air, helium, etc Thermos