an instrument for measuring very low gas pressures by ionizing the gas and measuring the resulting ionization current; cf. Penning gauge n. at Penning…
| 单词 | θ78813 |
| 释义 | the world > matter > physics > atomic physics > ion > ionization > [noun] > measuring instrument (3) ionization gauge1918 an instrument for measuring very low gas pressures by ionizing the gas and measuring the resulting ionization current; cf. Penning gauge n. at Penning… ion gauge1938 = ionization gauge n. at ionization, n.2 compounds. alphatron1946 An ionization gauge in which the passage of alpha particles through a near-vacuum generates an ionization current by means of which the pressure of… |
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