| 单词 | relative pressure |
| 释义 | > as lemmasrelative pressure relative pressure n. Physics the difference between the pressure of a gas or vapour and a fixed reference pressure, esp. atmospheric pressure; (also) the ratio of the pressure to a fixed reference pressure; cf. absolute pressure n. at absolute adj. and n. Compounds 2. ΚΠ 1806 Philos. Mag. 23 388 (caption) The relative pressures per square inch..and expansibility of steam at degrees of heat above the boiling point of water. 1876 Chem. News 25 Feb. 78/1 On compressing the vapours the tension rises to several atmospheres... More accurate statements as to relative pressure and temperature of the vapour of ether cannot be found. 1959 K. R. Atkins Liquid Helium vii. 211 The mass of gas held on a surface varies with the relative pressure p /p0 at constant temperature. 2007 F. Close Void i. 21 The altimeter—a means of measuring one's altitude from the relative pressure of the remaining ocean of air above. < as lemmas |
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