The coke yield of pitches from different tar sources is expressed as a linear function of the BI content.

从不同焦油中得到的沥青结焦率与BI含量呈线性关系。

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Meanwhile, coke yield increase and octane number loss should be considered when reducing olefins through hydrogen transfer reactions.

同时，在加强氢转移反应减少烯烃时，还需考虑焦炭选择性变差和汽油辛烷值下降的问题。

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Increases in throughput, resid blending ratio and gasoline octane as well as drop in coke yield can be obtained after the catalyst mixing.

使用混兑催化剂可提高渣油掺炼比，降低焦炭产率，提高装置处理量，并可提高汽油辛烷值。

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Coke has a 2.7% dividend yield before considering share buybacks.

FORBES: Magazine Article

Apple at its current share price has a dividend of 2.3 percent If I am correct, which happens on occasion, and the dividend is increased 20 percent then Apple now has a yield of 2.76 percent or about the same as Coke.

FORBES: Apple: What's It Really Worth