| 释义 |
▪ I. ˈrectifying, vbl. n.
[f. prec. + -ing1.]
The action of the vb. rectify.
1597A. M. tr. Guillemeau's Fr. Chirurg. 39/2 The stretching out or rectifying of the same [finger]. 1634Sanderson Serm. II. 292 There it behoveth the magistrate to set in..for the rectifying and redressing thereof. 1699Burnet 39 Art. i. (1700) 21 Matter, after it has pass'd through the highest Refinings and Rectifyings possible. a1708Beveridge Priv. Th. i. (1730) 52 It is not the rectifying of one Faculty, which can make the Whole streight. 1845G. Dodd British Manufactures V. iii. 63 This distillation is the rectifying of the spirit, by which a certain portion of essential oil is removed from it. 1928Geogr. Jrnl. LXXII. 383 When we come to what should be the most interesting chapter on map-plotting, contouring, and rectifying, we find it composed of chunks taken mostly from German propagandist pamphlets. 1960Nature 5 Nov. 495/1 (heading) Rectifying properties of heart muscle. 1962D. F. Shaw Introd. to Electronics xii. 246 The rectifying property of a semi-conductor diode is a consequence of the asymmetrical conduction across the contact between a metal and a semi-conductor.
▪ II. ˈrectifying, ppl. a.
[f. as prec. + -ing2.]
a. That rectifies.
1667J. Flavel Saint Indeed (1754) 8 Earnest Supplications and instant Prayer for heart purifying and rectifying Grace. 1863Gladstone Financ. Statem. 292 In London a very large rectifying house..sent out in 1861 853,000 gallons. 1892S. P. Thompson Dynamo-Electric Machinery (ed. 4) xxiii. 659 A rectifying commutator. 1901Electrician 8 Nov. 107/2 The patents granted in regard to the application of the rectifying cell. 1906Proc. Physical Soc. XX. 182 Wehnelt..proposed to employ vacuum-tubes with one electrode covered with..oxides and heated, as rectifying valves for alternating currents. 1932Geogr. Jrnl. LXXX. 463 The Panorama-camera..consists of nine lenses working through prisms, and, in conjunction with a special rectifying printing apparatus, produces the equivalent of a photograph taken with a very wide-angled lens. 1944P. G. McCurdy et al. Man. Photogrammetry ii. 54 Rectifying apparatus is often designed so that a change in scale and tilt removal can be made simultaneously. 1947R. Lee Electronic Transformers & Circuits iv. 86 This circuit requires more rectifying tubes.
b. rectifying column, a distillation column in which the distillate is subjected to successive stages of purification by continually condensing and redistilling the vapour.
1891S. P. Sadtler Handbk. Industr. Org. Chem. vi. 216 An improved Savalle rectifying column as used generally in French and Belgian distilleries. 1923W. H. Walker et al. Princ. Chem. Engin. xvii. 557 An apparatus in which this direct interchange of heat and consequent condensation and evaporation can take place is called a rectifying column. 1946Nature 20 July 105/1 The work..included the design and construction of..a liquid methane rectifying-column. 1955Coulson & Richardson Chem. Engin. II. xviii. 611 A column apparatus may be used for batch or continuous operation. In the former case the column is mounted on a large boiler or still which holds the charge, and the column is said to be a rectifying column. |