| 单词 | hysteresis loop |
| 释义 | > as lemmashysteresis loop hysteresis loop n. a graph showing how the value of some property of a system exhibiting hysteresis varies as the factor causing it is varied from one value to another and back again.A hysteresis loop consists of a closed loop in which two points are connected by two branches: one corresponding to progression from one point to the other, and the other the reverse. In the case of physical systems, the area enclosed by the loop represents the energy lost by the system in passing from one point to another and back again. ΘΚΠ the world > relative properties > number > graph or diagram > [noun] > graph > showing specific relationship characteristic1881 characteristic curve1881 time curve1883 luminosity curve1886 hysteresis curve1890 hysteresis loop1892 time-distance1892 solidus1901 power curve1908 log log1910 Russell diagram1922 creep curve1931 power curve1932 Hertzsprung–Russell diagram1939 Petersen graph1947 utility curve1948 tournament graph1959 offset1987 the world > matter > physics > mechanics > force > [noun] > hysteresis > graph hysteresis curve1890 hysteresis loop1892 the world > relative properties > number > geometry > shape or figure > [noun] > two-dimensional > closed curve oval1570 hysteresis loop1892 Jordan curve1900 1892 Proc. Royal Soc. 51 458 If the curve is a simple hysteresis loop such as may be obtained in slowly-performed cyclic magnetisation, on the assumption that I = I0 sin x, one of my students, Mr. Fowler, has found A in terms of sin (x+e1), sin (2x+e2), &c., a rather complicated expression which I need not give. 1946 Rubber in Engin. (H.M.S.O.) iv. 69 The stress–strain curve for rubber on retraction does not follow the same course as during extension, but forms a hysteresis loop. 2002 Nature 28 Nov. 374/2 As well as the saturation point (maximum magnetization), the hysteresis loop is characterized by the ‘coercivity’ of the material, which is the reverse-field strength needed to reduce the flux density to zero. < as lemmas |
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