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单词 premixture
释义

premixturen.

Brit. /priːˈmɪkstʃə/, U.S. /ˌpriˈmɪk(st)ʃər/
Origin: Formed within English, by derivation. Etymons: pre- prefix, mixture n.
Etymology: < pre- prefix + mixture n. Compare slightly earlier premix n. and earlier premix v.
A mixture prepared beforehand.
ΘΚΠ
society > occupation and work > materials > derived or manufactured material > materials having undergone process > [noun] > mixed
dope1872
premix1932
premixture1934
formulation1958
1934 in Webster's New Internat. Dict. Eng. Lang. Premixture.
1949 Jrnl. Parasitol. 35 179 One per cent of this premixture was used to make the medicated feed.
1972 Physics Bull. Jan. 20/2 Two separate arrays of injector tubes are used to introduce premixtures of fluorine with helium and nitric oxide with carbon dioxide at the upstream end.
1989 Nature 18 May 237/3 All PCR reagents can be combined into a ‘premixture’ which can then be pipetted into reaction vessels containing DNA.
2005 Hydrocarbon Processing (Nexis) 1 June 9 The product is a boiler-ready premixture of wood biomass adhered to coal.
This entry has been updated (OED Third Edition, March 2007; most recently modified version published online March 2022).
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n.1934
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更新时间:2024/12/23 16:38:56