| 单词 | reaction coil |
| 释义 | > as lemmasreaction coil reaction coil n. (a) a coiled tube in which a reaction takes place; (b) Electronics (now rare) an inductance coil included in the anode circuit of a thermionic valve so as to cause positive feedback in the grid circuit. ΘΚΠ the world > matter > physics > electromagnetic radiation > electronics > electronic devices or components > thermionic valve > [noun] > fluctuation in anode current > inductance coil in anode circuit reaction coil1915 tickler1922 tickler coil1940 1915 Jrnl. Industr. & Engin. Chem. July 573/2 The apparatus..consisted of a reaction coil built of one inch double extra strong iron pipe, about 63 ft. long. 1917 R. D. Bangay Elem. Princ. Wireless Telegr. (ed. 2) ii. 207 The amount of this extra E.M.F. induced in the grid coil by the reaction coil can be controlled by adjusting the coupling between the two windings. 1943 C. L. Boltz Basic Radio xiv. 221 With telephones on head hold the reaction coil in the hand and move towards the aerial coil. 2003 Pharmacol. Res. 47 487/2 NO2− was mixed with a Griess reagent to form a purple azo dye in a reaction coil in a column oven set at 35°C. < as lemmas |
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