Dewar flask

美 　英

• 網(wǎng)絡(luò)杜瓦瓶；杜華瓶；杜而瓶

英漢解釋

n.	1. a double-walled silvered glass or metal flask with a vacuum between the walls, providing thermal insulation.

例句

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Dewrflask肯定不會(huì)和一個(gè)Styrofoam冰柜一樣便宜的。

An analysis of the mechanism of heat transfer in Dewar flask is made and shows that heat radiation in given case is not negligible.

本文對(duì)杜瓦瓶的傳熱機(jī)制進(jìn)行了定量分析，指出熱輻射傳熱在杜瓦瓶情形下是不可忽略的。