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

vapour density

noun Chemistry

The density of a particular gas or vapour relative to that of hydrogen at the same pressure and temperature.Being much shorter than the height of the atmosphere, the laboratory cell would necessitate a correspondingly greater vapor density....

Even though, during the nineteenth century the science of chemistry was at a relatively early state, Dumas was able to show that the vapor densities of some organic compounds are directly proportional to their molecular weights.
This legitimated the use of vapour densities for the determination of relative molecular weights.

单词	vapour density
释义	vapour density noun Chemistry The density of a particular gas or vapour relative to that of hydrogen at the same pressure and temperature.Being much shorter than the height of the atmosphere, the laboratory cell would necessitate a correspondingly greater vapor density.... Even though, during the nineteenth century the science of chemistry was at a relatively early state, Dumas was able to show that the vapor densities of some organic compounds are directly proportional to their molecular weights. This legitimated the use of vapour densities for the determination of relative molecular weights.
随便看	deforest deforestation De Forest, Lee deform deformable deformation deformational deformed deformity DEFRA defrag defragger defragment defragmentation defragmenter defraud defrauder defray defrayable defrayal defrayment defriend defrock defrost defroster