| 单词 | thermite process |
| 释义 | > as lemmasthermite process thermite process n. the reduction of finely divided oxides of iron or other metals by means of an exothermic reaction with finely divided aluminium; also, thermite welding. ΘΚΠ the world > matter > chemistry > chemical reactions or processes > [noun] > chemical reactions or processes (named) > industrial processes > others Solvay (or Solvay's) process1879 contact process1903 thermite process1905 cyanamide process1922 Purex1951 society > occupation and work > industry > working with specific materials > working with metal > [noun] > refining > methods of calcinationc1386 calciningc1386 liquation1471 fulmination1617 cupelling1644 decrepitating1662 decrepitation1669 fulguration1676 concentration1689 cupellationa1691 scorification1755 affination1851 thermite process1905 zone melting1952 zone refining1952 zone levelling1953 society > occupation and work > industry > working with specific materials > working with metal > [noun] > welding > types of butt welding1878 lead burning1886 arc welding1890 thermite process1905 thermite welding1906 resistance welding1908 spot welding1908 seam welding1917 fusion welding1918 projection welding1918 stud welding1918 metal arc welding1926 pressure welding1926 metallic arc welding1927 flash-butt welding1933 flash welding1933 stitch welding1934 rightward welding1936 block welding1943 submerged-arc welding1945 friction welding1946 T.I.G.1960 microwelding1962 1905 Chambers's Jrnl. Dec. 78/2 A perfectly successful joint..has been made by utilising the thermite process. 1910 C. H. Desch Metallogr. vi. 109 The great reducing power of aluminium at high temperatures has been utilized in what is known as the Thermit process to produce metals and alloys free from carbon. 1930 Engineering 14 Mar. 349/2 The Thermit process, the oxy-acetylene and similar blowpipes,..have all attained to a usefulness and convenience applicable..to single jobs. 1958 Chambers's Techn. Dict. 955/1 Aluminothermic process..also known as the thermite process, is used especially for the oxides of metals which are reduced with difficulty. 1980 Daily Tel. 19 Feb. 6/8 British Rail uses two main welding techniques. One, the thermit process used along the Bushey track, involves welding long stretches of rail together at the site. < as lemmas |
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