单词 | saturable |
释义 | saturableadj. 1. That can be saturated (in various senses of saturate v.). ΘΚΠ the world > matter > chemistry > chemical properties > [adjective] > capable of saturation saturable1570 the world > matter > chemistry > chemical reactions or processes > [adjective] > of or relating to named chemical reactions or processes > capable of saturation saturable1570 1570 P. Levens Manipulus Vocabulorum sig. Aii/1 Satiable, saturabilis... Saturable, satiablis [sic]. 1701 N. Grew Cosmol. Sacra i. iii. §13 Consequently the Water would be Saturable with the same Quantity of any Salt. 1846 Era 10 Oct. 10/2 The whole resembles thick drugget, light and saturable. 1989 New Scientist 17 June 61/2 A short pulse of emitted light..passes through the saturable dye and travels on around the cavity. 2. Electronics. Of a transformer, inductor, or other electrical component: that employs magnetic saturation (saturation n. 7b) in its operation.See also saturable reactor n. at Compounds. ΘΚΠ the world > matter > physics > electromagnetic radiation > magnetism > [adjective] > able to retain saturating field saturable1918 1918 U.S. Patent 1,286,239 1/1 We provide a magnetizable core member, an armature, main and auxiliary windings and a saturable transformer. 1962 F. I. Ordway et al. Basic Astronautics v. 187 The flux gate magnetometer..consists essentially of a flux gate of two, identical, high-permeability, saturable coils, oppositely wound with identical coils. 2011 A. Winkler Transient Behaviour ITER Poloidal Field Coils ii. 16 The saturable inductor is used to limit the current variations at low current values. 3. Biochemistry. Of active or binding sites of an enzyme, membrane receptor, etc.: able to become fully occupied by a specific substrate. Also: having, involving, or determined by such sites.In processes involving such sites, the relationship between substrate concentration and the rate of the process is non-linear. ΚΠ 1954 H. B. Steinbach in R. Brown & J. F. Danielli Active Transport & Secretion (Soc. Exper. Biol.) 445 This..is the behaviour that would be expected of a saturable carrier mechanism of sodium extrusion. 1965 Biochimica et Biophysica Acta 102 162 Passive diffusion, facilitated or carrier-mediated diffusion with saturable binding sites, and energy-dependent accumulation against a chemical gradient. 1992 H. E. Gendelman & P. S. Morahan in C. E. Lewis & J. O'D. McGee Macrophage iv. 160 The entry of African swine fever virus into swine macrophages, the natural host cell for this virus, is mediated by saturable binding sites on the plasma membrane. 2004 Chemist & Druggist (Nexis) 10 Jan. 17 Phenytoin..has only limited capacity metabolism—the enzyme system dealing with it is saturable, leaving excess drug hanging around waiting to be metabolised. Compounds saturable reactor n. Electronics a reactor (reactor n. 3) used to control an alternating current, the impedance of the reactor being regulated by magnetically saturating its core. ΘΚΠ the world > matter > physics > electromagnetic radiation > electricity > resistance > [noun] > reactance > equipment providing reactance1911 reactor1915 saturable reactor1929 the world > matter > physics > electromagnetic radiation > electricity > electrical engineering > operation of machinery > [noun] > reactor saturable reactor1929 transductor1939 1929 U.S. Patent 1,715,684 3/1 A current transformer in the circuit energizes the protective system of my invention, which consists of saturable reactors 49 and 50 and a rectifier. 2014 IEEE Trans. Power Electronics 29 2977/1 A novel method to electronically tune the inverter to achieve optimum switching conditions by using a saturable reactor has been proposed. Derivatives ˌsaturaˈbility n. [compare French saturabilité (1800 or earlier)] the property or condition of being saturable (in various senses); the degree to which something is saturable. ΘΚΠ the world > matter > chemistry > chemical properties > [noun] > quality of being capable of saturation saturability1802 1802 R. Kirwan in Trans. Royal Irish Acad. 8 Science 308 Both saturability in a given heat, and also an increase of heat, promote evaporation. 1830 National Mag. 1 473 If the saturability of air were greater, it would undoubtedly cool it more, and in a shorter time. 1979 Nature 19 Apr. 747/2 If the direct linkage EGF-receptor complex is a complex of EGF [= epidermal growth factor] and its physiological receptor, the saturability for reversible EGF binding and direct complex formation should be similar. 2009 Science 23 Oct. 594/2 Genuine biological ligand-receptor interactions are expected to show saturability and high affinity. This entry has been updated (OED Third Edition, September 2019; most recently modified version published online March 2022). < |
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