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单词 quadripole
释义

quadripolen.adj.

Brit. /ˈkwɒdrᵻpəʊl/, U.S. /ˈkwɑdrəˌpoʊl/
Origin: Formed within English, by compounding. Etymons: quadri- comb. form, pole n.2
Etymology: < quadri- comb. form + pole n.2, in senses A. 1 and B. apparently as alteration of quadrupole n., quadrupole adj. In sense A. 2 after French quadripôle (L. J. Collet 1926, in Ann. des postes, télégraphes et téléphones 15 939). Compare earlier quadripolar adj.
A. n.
1. Physics. = quadrupole n. 1, 2.
ΘΚΠ
the world > matter > physics > quantum theory > quantum mechanics > quantum electrodynamics > [noun] > single charge or pole > system of > of specific order
quadrupole1921
quadripole1927
octupole1929
octopole1961
hexadecapole1969
1927 Proc. Royal Soc. A. 114 219 The helium atomic core is not an electric quadripole.
1999 C. Blanze et al. in J.-L. Batoz et al. Integrated Design & Manuf. Mech. Engin. '98 i. 43 A superconducting quadripole constitutes a part of a high-energy accelerator built by the CEA.
2. An electrical network or device, esp. a balanced filter network, having one pair of input terminals and one pair of output terminals.
ΘΚΠ
the world > matter > physics > electromagnetic radiation > electricity > electrical engineering > [noun] > network > type of network
T1909
quadripole1928
the world > matter > physics > electromagnetic radiation > electronics > electronic devices or components > [noun] > circuit elements or components > with specific arrangement
quadripole1928
long-tailed pair1942
long-tail pair1946
totem pole1953
1928 Sci. Abstr. B. 31 103 The author considers the quadripole, its..velocity of propagation, characteristic impedance and reflection properties. The amplifying valve is considered as an example of a quadripole.
1967 H. F. Olson Music, Physics, & Engin. (ed. 2) v. 122 The string is coupled to the air by means of the soundboard or body which is represented by the quadripole zM.
1999 H. Ballan & M. Declercq High Voltage Devices & Circuits vi. 213 The equivalent small signals circuit of the output stage reduces to a simple quadripole of input impedance zin = [etc.].
B. adj.
Physics. = quadrupole adj.
ΘΚΠ
the world > matter > physics > quantum theory > quantum mechanics > quantum electrodynamics > [adjective] > relating to specific moments
quadrupole1922
quadripole1927
multipole1929
octopole1932
monopolar1948
sextupole1950
octupole1954
monopole1962
hexadecapole1969
1927 Proc. Cambr. Philos. Soc. 23 930 A method of calculating the probability of switches due to radiation by the quadripole moment seems to be supplied by Dirac's recent theory of the interaction between matter and radiation.
1963 R. W. Ditchburn Light xix. 735 The Zeeman effect..for quadripole lines is different from that for dipole lines.
1990 New Scientist 7 July 27/3 To measure such a tiny concentration of gold in sea water, Kenison-Falkner and Edmond..used a piece of equipment called an inductively coupled plasma quadripole mass spectrometer.
This entry has been updated (OED Third Edition, December 2007; most recently modified version published online March 2022).
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n.adj.1927
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