| 单词 | ring current |
| 释义 | > as lemmasring current ring current n. a current (esp. of electricity) which travels in a ring; spec. (a) a belt of charged particles, trapped by the magnetosphere, which orbits the earth or other planet; (b) Chemistry a circulation of electrons in an annular molecular orbital (e.g. in aromatic molecules) under the influence of a magnetic field. ΘΚΠ the world > matter > chemistry > chemical bonding > [noun] > a circulation of electrons ring current1869 1869 Proc. 17th Meeting Amer. Assoc. Advancem. Sci. 260 Polar undercurrents having been formed probably by the deflection of the original equatorial ring-current. 1907 Trans. Amer. Math. Soc. 8 521 The exploration of the electromagnetic field of the ring current. 1941 Terrestrial Magn. 46 1 In our theory of geomagnetic storms, we attribute the main phase to a hypothetical electric ring-current. 1956 Proc. Royal Soc. A. 236 522 To find the effect of the ring current on the proton resonance line we have to average over orientations. 1976 Jrnl. Geophysical Res. 81 2701/1 The decay of the proton ring current by charge exchange loss. 2007 T. E. Moore in D. Gubbins & E. Herrero-Bervera Encycl. Geomagnetism & Paleomagnetism 865/1 Other planets that have substantial internal magnetic fields also have ring currents. These include Mercury, Jupiter, Saturn, Neptune, and Uranus. < as lemmas |
| 随便看 |
英语词典包含1132095条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。