| 单词 | hydraulic gradient |
| 释义 | > as lemmashydraulic gradient hydraulic gradient n. (a line representing) the variation along a pipe or channel of the head due to elevation and pressure in a liquid flowing along it. ΘΚΠ the world > matter > liquid > liquid flow > action or process of flowing > [noun] > rate of flow > measurement of flow pressure > representation of variation in hydraulic gradient1881 1881 Encycl. Brit. XII. 484/2 Hence [the line] CD is termed the virtual slope or hydraulic gradient of the pipe. 1935 A. J. Martin Work of Sanitary Engin. viii. 92 If a series of open-ended vertical pipes were carried up from the main at intervals, the water would rise in each of them up to the line of the hydraulic gradient. 1951 W. L. Russell Princ. Petroleum Geol. xii. 212 By using..high hydraulic gradients, oil globules and gas bubbles may be forced through these sandstones. < as lemmas |
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