Hydrogen induced delayed cracking has nothing to do with flaking and is attributed to hydrogen atoms.

氢致滞后开裂与白点无关，而与氢原子有关。

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Through the test and comparison of ethylene cracking of hydrogenated delayed coking gasoline and regular grade straight-run gasoline, it is showed that the former can be used as ethylene stock.

通过对延迟焦化汽油加氢后与普通直馏汽油的乙烯裂解试验和比较，延迟焦化汽油加氢后可以作乙烯原料。

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Through the test and comparison of ethylene cracking of hydrogenated delayed coking gasoline and regular grade straight-run gasoline, it is showed that the former can be used as ethylene stock.

通过对延迟焦化汽油加氢后与普通直馏汽油的乙烯裂解试验和比较，延迟焦化汽油加氢后可以作乙烯原料。

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