| 释义 |
non-ˈvolatile, a.
[non- 3.]
Not volatile. a. Of substances (cf. volatile n. and a. B. 3).
1866Watts Dict. Chem. IV. 230 They possess a bitter taste, are non-volatile, and do not suffer any change when exposed to air. 1903Phil. Mag. V. 577 In other cases..the new matter is itself non-volatile. 1957G. E. Hutchinson Treat. Limnol. I. viii. 553 Evaporating the water to dryness, so obtaining the total solids per unit mass or volume, and then igniting the residue to obtain the non-volatile solids per unit mass or volume. 1971I. G. Gass et al. Understanding Earth 114 It is widely believed that the average composition of meteoric matter provides the best information on the relative abundances of the non⁓volatile elements.
b. Computers. Of a store or storage (cf. volatile a.).
1950W. W. Stifler et al. High-Speed Computing Devices xiv. 313 The storage unit is said to be nonvolatile because it can sustain loss of power without losing all the information stored. 1962Gloss. Terms Automatic Data Processing (B.S.I.) 65 A non-volatile store..retains its content when the power supplies are switched off normally, but the content may be lost if power failure occurs. 1969P. B. Jordain Condensed Computer Encycl. 563 Non⁓volatile storage (almost all magnetic; some optical and some punched-hole media) will hold onto its data through any mishaps.
Hence non-volaˈtility, the property of not being volatile.
1964N. G. Clark Mod. Organic Chem. v. 67 The highest members [of the paraffin series], e.g. the waxes, because of their non-volatility, possess no smell. |