单词 | steady state |
释义 | steady staten. 1. An unvarying condition; a state of equilibrium. ΘΚΠ the world > time > change > absence of change, changelessness > stability, fixity > [noun] stablenessa1300 tack1412 steadfastnessc1450 surenessc1450 stability1470 radicationa1500 constance1509 steadiness1530 certitudea1533 firmance1533 staidness1556 establishment1561 settledness1571 settling1582 state1597 groundedness1601 inviscerationa1631 setness1642 unmalleableness1644 fixedness1647 poise1649 inveteracy1716 well-foundedness1735 fixity1791 unmalleability1828 deep-rootedness1860 instatement1877 steady state1885 hard and fastness1897 1885 Electrician 10 Jan. 180/1 With special arrangements (solenoidal) of impressed force, there is no transmission of energy in the steady state. 1905 Nature 27 July 293/2 His [sc. Planck's] ensemble of systems has not yet reached a statistical ‘steady state’. 1930 A. E. Ruark & H. C. Urey Atoms, Molecules & Quanta ix. 272 These five quantum numbers may be taken as those required to fix the steady states of an atom in a strong magnetic field. 1963 Wall St. Jrnl. 19 Aug. It long had been held by many scientists that the universe is in a steady state, that, in its general features, it is the same now as it always has been. 1971 Nature 8 Jan. 75/1 If present patterns..continue, the annual death rate from lung cancer will increase from about 15,000 to more than 45,000 in the steady state that will be attained in the 1980s. 1977 Lancet 3 Sept. 509/2 Plasma-carbamazepine concentrations were in steady state in all patients. 2. attributive (frequently with hyphen). a. gen. ΘΚΠ the world > time > change > absence of change, changelessness > [adjective] fasteOE inunvariable1535 uniform1559 changeless1575 unvariant1582 wasteless1589 unchanging1595 inherent1601 unselfchanging1605 shiftless1606 ne'er-changinga1616 waxlessa1618 immutable1621 equal1626 irreducible1633 indiminishable1641 imprevaricable1644 Median1649 undiminishable1653 assiduous1661 unvarying1690 unfluctuating1723 unrelapsing1740 stable1742 unarbitrary1793 untransferable1794 unaltering1813 constant1817 all-or-nothing1853 all-or-none1864 reducelessc1864 unaugmentable1868 invariant1874 inadaptive1886 plateaued1899 steady state1909 hardcore1951 homoeostatic1955 monochromatic1959 1909 London, Edinb. & Dublin Philos. Mag. 6th Ser. 17 251 There is no a priori reason why there should not be different ‘steady state’ formulæ corresponding to different kinds of matter. 1942 Jrnl. Appl. Physics 13 710/2 The steady state current is then the difference of the expressions for the total current and for the transient current. 1965 H. I. Ansoff Corporate Strategy iii. 32 The microeconomic theory of the firm..is basically a steady-state theory concerned with successive equilibrium conditions. 1970 J. Earl How to choose Tuners & Amplifiers iii. 66 For good quality listening we should not go in for anything less than..8W steady-state power per channel. 1976 Conservation News Nov.–Dec. 22/1 The author is sceptical that steady-state economics will ever find practical application, since people's desires for consumption show no evidence of having a reasonable upper limit. 1977 A. Hallam Planet Earth 296 Hutton and Lyell were postulating a steadystate Earth—ceaseless piecemeal local change was occurring. But the consequence of such change was to maintain from the indefinite past to the indefinite future an overall, constant equilibrium in the terrestrial economy. 1978 P. Marsh et al. Rules of Disorder iv. 112 Evidence for the existence of a ‘steady-state’ system of rules and a sense of social propriety. b. Astronomy. Used with reference to any cosmological theory which embraces the principle that on a large scale the universe is essentially unchanging in time and space; spec. the theory propounded by Bondi, Gold, and Hoyle of an isotropic universe expanding at a constant rate, with matter being continuously created so that mean density of the universe remains constant. ΘΚΠ the world > the universe > [noun] > specific block universe1881 plenum1887 expanding universe1931 steady state1948 1948 Bondi & Gold in Monthly Notices Royal Astron. Soc. CVIII. 252 (heading) The steady-state theory of the expanding universe. 1955 Sci. News 37 22 The steady-state theory was designed to overcome a difficulty in the world-models of general relativity which no longer exists. Until a few years ago it was thought that these gave a value for the age of the universe..which was too small to satisfy other astrophysical evidence. 1969 Times 23 June 6/7 The steady state theory..says that the universe looks roughly the same from any position and at any time in the past, present or future. 1971 J. Z. Young Introd. Study Man xxvi. 363 There are other versions of steady-state cosmologies according to which new galaxies are continuously being formed by newly created matter. 1973 ‘D. Halliday’ Dolly & Starry Bird xiii. 188 Innes is a Steady-State man, having done a sabbatical on radio astronomy at Cambridge. 1977 J. Narlikar Struct. Universe iv. 132 With the help of the PCP [Perfect Cosmological Principle], Bondi and Gold were able to deduce a number of important properties of the steady-state Universe. As we shall see.., they were able to deduce that such a Universe must continually expand. 1978 J. M. Pasachoff & M. L. Kutner University Astron. xxix. 732 If we have indeed discovered radiation from the big bang itself then clearly the steady state theory is discredited. Derivatives steady-stater n. an advocate of a steady-state theory of the universe. ΘΚΠ the world > the universe > cosmology > science of observation > theory > [noun] > system of astronomy > specific > person who holds Ptolemean1647 Ptolemaic1654 Copernicana1676 Ptolemaist1682 nebulist1848 vorticist1866 Galilean1925 steady-stater1966 Velikovskyite1972 1966 Time 11 Mar. 51 As the galaxies move farther away from each other, steady-staters believe, new galaxies are constantly being formed. 1973 ‘D. Halliday’ Dolly & Starry Bird xiii. 188 Black holes..according to theory are nonluminous stars..concealing whole galaxies..to the satisfaction of all the Steady Staters. This entry has not yet been fully updated (first published 1986; most recently modified version published online September 2018). < |
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