The catalytic cracking of crude petroleum or a heavy distillate by subjecting it to the action of gaseous hydrogen at a high temperature and…
| 单词 | θ70295 |
| 释义 | the world > matter > chemistry > organic chemistry > chemical processes or reactions > [noun] > petroleum processes > hydrocracking (1) hydrocracking1940 The catalytic cracking of crude petroleum or a heavy distillate by subjecting it to the action of gaseous hydrogen at a high temperature and… |
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