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单词 re-forming
释义

re-formingn.2

Brit. /ˌriːˈfɔːmɪŋ/, U.S. /riˈfɔrmɪŋ/
Forms: see re-form v.2 and -ing suffix1.
Origin: Formed within English, by derivation. Etymons: re-form v.2, -ing suffix1.
Etymology: < re-form v.2 + -ing suffix1. Compare re-formation n.2, and earlier reforming n.1
1. The action of re-form v.2; an instance of this.
ΘΚΠ
the world > space > shape > [noun] > shaping > again or anew
re-forming?a1475
re-formationa1500
re-form1597
re-efformationa1631
new-modelling1646
remoulding1652
refiguration1829
reshaping1872
?a1475 (a1396) W. Hilton Scale of Perfection (Harl. 6579) ii. iv. f. 66v (MED) Oure lord..delaied þe ful reformyng of mannus saule vn to þe last ende..Oure lord purueid better for vs in delayng of þe reformyng þan if he had grantid it þanne.
1679 J. Collinges Reasonable Acct. vii. 119 The re-forming of words which others have first conceived in their minds, and committed to writing for us, or which they dictate to us.
1835 W. Kirby On Power of God in Creation of Animals I. i. 8 Christ moistened clay when he was about to exercise his creative power, in the re-forming of an eye.
c1862 T. J. Jackson in E. P. Alexander Mil. Mem. Confederate (1907) vii. 142 The artillery..was pressed forward for about two hours for the purpose of preventing, by artillery fire, a re-forming of the enemy.
1937 Art Bull. 19 255 The volume of the two domes is increased, which entails a re-forming of the ground plans on a pseudo-symmetrical basis.
2006 B. Reynolds Dante (2007) xxii. 185 The mythical, exotic rebirth of the phoenix intensifies with its contrast the horror of the lurid re-forming of the soul from its pile of ash.
2. Manufacturing Technology. The treatment of a hydrocarbon or hydrocarbon mixture so as to produce changes in composition; spec. (a) the process of heating petrol under pressure over a catalyst so as to increase the octane number (the major effects being an increase in the proportions of aromatic and other unsaturated cyclic compounds, and loss of hydrogen); (b) the partial or complete conversion of a gaseous hydrocarbon to carbon monoxide and hydrogen by heating with steam over a catalyst.Not all the early re-forming processes used a catalyst.
ΘΚΠ
the world > matter > chemistry > organic chemistry > chemical processes or reactions > [noun] > petroleum processes > reforming
re-forming1924
1924 Proc. 31st Ann. Convention Pacific Coast Gas Assoc. 724 The ‘reforming’ or ‘cracking’ of natural gas is a process of much interest to several of the Southern California gas utilities.
1932 Jrnl. Inst. Petroleum Technologists 18 262 In the cracking or ‘re-forming’ of gasoline, one company uses a De Florez furnace, heating the gasoline to 925° F. at about 1000 lb. pressure, obtaining a recovery of 86 to 88 per cent. of gasoline of high octane number from a straight-run paraffin type gasoline.
1966 Kirk-Othmer Encycl. Chem. Technol. (ed. 2) X. 417 A basic problem in catalytic steam reforming and cracking is that the pyrolysis reactions..compete with the steam-hydrocarbon reactions.
1991 Chem. Engineer 13 June 17 (caption) A simplified flow diagram for the production of carbon monoxide by convective reforming.
2002 Morning Call (Allentown, Pa.) 17 Apr. d2/5 In a process called ‘re-forming’, hydrogen is extracted from the natural gas. It then reacts with oxygen from the air to produce power.
This is a new entry (OED Third Edition, September 2009; most recently modified version published online March 2022).
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n.2?a1475
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更新时间:2024/12/25 1:13:29