the cracking of petroleum oils by a process using a catalyst.
| 单词 | θ70293 |
| 释义 | the world > matter > chemistry > organic chemistry > chemical processes or reactions > [noun] > petroleum processes > catalytic cracking (4) catalytic cracking1927 the cracking of petroleum oils by a process using a catalyst. cat cracking1943 = catalytic, adj. n., in cat cracker, cat cracking, etc. (cf. catalytic, adj. n.). Subcategories:— device for (2) |
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