网络释义专业释义英英释义
柯林斯英汉双解大词典
Dewar flask /ˈdjuːə/
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1.
N a type of vacuum flask, esp one used in scientific experiments to keep liquid air, helium, etc; Thermos (在科学实验中用于保存液态空气、氦等的)真空瓶; 热水瓶
双语例句
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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。
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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。
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