英语词汇“dewar”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

dewar

/ˈdjuːə

noun

A double-walled flask of metal or silvered glass with a vacuum between the walls, used to hold liquids at well below ambient temperature.However, only the sample dewar was filled with liquid nitrogen....

Liquid helium will boil off constantly through a special porous plug in the dewar to maintain the science probe at its required temperature for up to 18 months.
But in 1999 the project experienced major development problems when the large thermos bottle, called a dewar, which holds the supercold helium surrounding the instruments, did not cool down as quickly as expected.

Origin

Late 19th century: named after Sir James Dewar (see Dewar, Sir James).

单词	dewar
释义	dewar /ˈdjuːə / noun A double-walled flask of metal or silvered glass with a vacuum between the walls, used to hold liquids at well below ambient temperature.However, only the sample dewar was filled with liquid nitrogen.... Liquid helium will boil off constantly through a special porous plug in the dewar to maintain the science probe at its required temperature for up to 18 months. But in 1999 the project experienced major development problems when the large thermos bottle, called a dewar, which holds the supercold helium surrounding the instruments, did not cool down as quickly as expected. Origin Late 19th century: named after Sir James Dewar (see Dewar, Sir James).
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