| 单词 | search coil |
| 释义 | > as lemmassearch coil search coil n. an apparatus consisting of a coil of insulated wire connected to a galvanometer or similar instrument, used for detecting and measuring a magnetic field (for example, one generated by a buried object) by means of a current induced in the coil when it is quickly moved into or out of the field; = exploring coil n. at exploring n. Compounds 2. ΘΚΠ the world > matter > physics > electromagnetic radiation > electricity > electric current > [noun] > measurement of galvanic currents > apparatus for > component of astatic needle1866 shunt box1878 search coil1888 1888 Electrician 19 Oct. 754/2 Provided with a separate search coil, connected to special collector rings and brushes. 1953 R. J. C. Atkinson Field Archaeol. (ed. 2) i. 39 The soil is usually removed in a series of shallow layers, and the surface of each layer can be swept with the search-coil. 2008 Guardian (Nexis) 6 Sept. (Family section) 8 Roger explains the basics of using a detector, which involves using a sweeping motion of the search coil and waiting for a bleep and high reading of conductivity on the control panel. < as lemmas |
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