| 单词 | cracked fraction |
| 释义 | cracked fraction in the Oil and Gas Industry (krækt frækʃən) Word forms: (regular plural) cracked fractions noun (Extractive engineering: Refinery processes, Oil) A cracked fraction is a petroleum fraction (= a portion separated according to a physical property) that has been broken down from a fraction with larger molecules. The effluent vapors are fractionated and a resulting insufficiently cracked fraction is further cracked in the same manner. Cracked fractions, such as light and heavy gas oils from catalytic cracking, may also be used as blends. A cracked fraction is a petroleum fraction that has been broken down from a fraction with larger molecules. |
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