“vapour density”的概念、定义、习题解题方法及翻译-物理辞典

单词	vapour density
释义	vapour density The density of a gas or vapour relative to hydrogen, oxygen, or air. Taking hydrogen as the reference substance, the vapour density is the ratio of the mass of a particular volume of a gas to the mass of an equal volume of hydrogen under identical conditions of pressure and temperature. Taking the density of hydrogen as 1, this ratio is equal to half the relative molecular mass of the gas
随便看	direct current direct motion direct-current motor directrix discharge discontinuous function disintegration disintegration constant diskette dislocation disordered solid disperse phase dispersion dispersion forces dispersive power displacement distortion distributive law diurnal divergence divergence theorem divergent series diverging lens or mirror dl-from DLA

物理辞典收录了3346条物理词条，基本涵盖了常用物理知识及物理英语单词词组的翻译及用法，是物理学习的有利工具。