单词Dewar flask
网络: 杜瓦瓶；杜华瓶；杜而瓶
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Dewrflask肯定不会和一个Styrofoam冰柜一样便宜的。
An analysis of the mechanism of heat transfer in Dewar flask is made and shows that heat radiation in given case is not negligible.
本文对杜瓦瓶的传热机制进行了定量分析，指出热辐射传热在杜瓦瓶情形下是不可忽略的。