Dewar flask

常见例句

Dewar flask with an internal vial dispenser is never going to be as cheap as a Styrofoam ice chest.
内带小瓶分配器的Dewr flask肯定不会和一个Styrofoam冰柜一样便宜的。
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适当的装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.
它是如何问世的： 1982年苏格兰化学家和物理学家James Dewar 爵士发明了保温瓶用以防止实验室中的液氮升温而气化。