• 1. volume mass: 体积质量 | 定义体质量的标准值
• 2. relative volume mass: 相对体积质量
• 3. volume-mass transformation: 体积质量转换法

更多释义

• 1.By analyzing the volume mass-transfer coefficient, the optimal operating flow-ratio and packed density were obtained.
  通过考察体积传质系数，确定了纤维液膜萃取分离器的最佳填充密度和最佳流量比。
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• 2.Using on-line monitoring technology, effect of the nozzle diameters on, liquid volume mass transfer coefficient, and its axial distribution were studied.
  运用动态监测技术，测定了喷嘴孔径对鼓泡床质量传递的影响以及鼓泡床体积传质系数随床高的分布。
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• 3.Because these galaxies' mass is spread out over larger areas, they have far fewer stars per unit volume than do conventional galaxies.
  因为这些星系的质量分布在更大的区域，它们每单位体积的恒星数量比传统星系要少得多。
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