More specifically, the present invention relates to a process for cracking {HEAD ~ hydrocarbons} to produce {TAIL ~ olefinic gases} using improved reactor furnace tubes, such as by reducing the catalytic coking that occurs with the use of conventional tubes, and at the same time, significantly improving product yields 
to produce
More specifically , the present invention relates to a process for cracking { HEAD ~ hydrocarbons } to produce { TAIL ~ olefinic gases } using improved reactor furnace tubes , such as by reducing the catalytic coking that occurs with the use of conventional tubes , and at the same time , significantly improving product yields
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