| 单词 |
petrochemistry |
| 释义 |
petrochemistry|pɛtrəʊˈkɛmɪstrɪ|
[f. petro- (in sense 2 repr. petroleum: cf. petro-2) + chemistry.]
1. Geol. The chemistry of the composition and formation of rocks (as distinct from minerals, ore deposits, etc.), esp. igneous and metamorphic ones.
1937Bull. Volcanologique I. 59 (heading) Petro⁓chemistry of the Scottish Carboniferous-Permian igneous rocks. 1958Q. Jrnl. Geol. Soc. CXIII. 393 (heading) The petrochemistry of the Ardara aureole. 1971Internat. Geol. Rev. XIII. 561/2 In petrochemistry we are often required to compare associations of rocks of different regions and assign them to definite petrographic groups. 1974Nature 18 Oct. 581/2 There is, as yet, insufficient documentation of the relationship between precisely measured Sr isotope ratios and the petrochemistry of Icelandic rocks.
2. The chemistry of petroleum and natural gas, and of their refining and processing.
1942Oil & Gas Jrnl. 18 June 96/1 The section in next week's Journal devoted to petro-chemistry is something you'll not want to miss. 1954Chem. & Engin. News 20 Sept. 3719/3 Entrance of one company into field of petro⁓chemistry in 1925 was followed by dozens of others. 1959Ibid. 22 June 41 (Advt.), Exciting new products through petro-chemistry. |
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