| 单词 | fly ash |
| 释义 | > as lemmasfly ash fly ash n. ash resulting from the burning of pulverized coal. ΘΚΠ the world > matter > properties of materials > temperature > heat > burning > products of burning > [noun] > ashes or cinders > specific ashes soap-ashes?1520 gravelled ashes1579 bone ash1594 cupel-dusta1626 polverine1662 peat ash1669 kelp1679 clar1683 cupel-ashes1683 wood-ash1748 bone earth1770 kelp-ashes1834 white ash1837 weed ash1841 fly ash1931 1931 Electr. World 23 May 961/1 The solution of the fly-ash problem lies in reducing the amount of ash that is discharged to the atmosphere to the point where it is no longer objectionable. 1937 Jrnl. Amer. Concrete Inst. 8 578 The residue from the burning of powdered coal is commonly designated as ‘fly ash’. 1956 Sci. News 40 83 Fly-ash produced in boilers fired by pulverized fuel can be used in making building materials. 1967 New Scientist 15 June 650/1 Many schemes have been proposed for using up the millions of tons of ‘fly-ash’, a dust-like residue produced by coal-burning plant. < as lemmas |
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