| 单词 | cat cracker |
| 释义 | > as lemmascat cracker = catalytic adj. and n., in cat cracker, cat cracking, etc. (cf. catalytic adj. and n.). ΘΚΠ the world > matter > chemistry > organic chemistry > chemical processes or reactions > [noun] > petroleum processes > catalytic cracking catalytic cracking1927 cat cracking1943 the world > matter > chemistry > organic chemistry > chemical processes or reactions > [noun] > petroleum processes > catalytic cracking > device for cat cracker1943 catalytic cracker1951 1943 Fortune Sept. 50/1 ‘Cat cracker’ is the oil industry's nickname for the new catalytic cracking processes now producing high-octane gas. 1952 Economist 6 Sept. 581/1 (heading) Premium Petrol and Cat Crackers. 1957 New Scientist 18 July 36/2 ‘Cat-cracking’..show[s] the power of catalysis in large-scale chemical industry. < as lemmas |
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