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单词 Specific volume
释义

Specific volume

原声例句
健身知识科普

They are great at hitting muscles that need more work, and they're more effective in controlling specific volume targets for any given muscle.

它们能很好地锻炼那些需要更多锻炼的肌肉,并且能更有效地对你任何的目标肌肉进行有针对性的训练。

Crash Course 天文篇

The real situation is fiendishly complex and involves pretty hairy quantum mechanics, but in the end, the electron is only allowed to occupy very specific volumes of space around the nucleus, and those depend on the electron's energy.

实际情况极其复杂,涉及到相当复杂的量子力学,但最终,电子只能占据原子核周围非常特定的空间,且这些空间取决于电子的能量。

中文百科

比容

比容英语:specific volume\nu)是某单位质量的特定物质所占的体积。比容是一物质的内含性质,配合其他内含性质就可以描述一简单热力学系统的状态。使用比容也可以在不需得知系统实际工作体积(可能是实际体积难以量测或是不重要)的条件下,分析一个热力学系统。

一物质的比容是其密度的倒数,比容的单位可表示为 \frac{m^3}{kg}  \frac{ft^3}{lbm}  \frac{ft^3}{slug}  \frac{mL}{g}

 v = \frac{V}{m} = \frac{1}{\rho}

其中V为体积,m为质量,\rho为物质的密度。

对于理想气体而言

v = \frac{{\bar{R}}  T}{P}

其中{\bar{R}} 为个别气体常数,T为绝对温标下的温度,而P为气体的压力。

有时比容是指莫耳体积。

英语百科

Specific volume 比容

In thermodynamics, the specific volume of a substance is the ratio of the substance's volume to its mass. It is the reciprocal of density and an intrinsic property of matter as well. Specific volume is defined as the number of cubic meters occupied by one kilogram of a particular substance. The standard unit is the cubic meter per kilogram  (\mathrm{m^3}/\mathrm{kg}) .

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