...苯乙烯和乙苯在610 o C以上 均发生裂解，故反应温度必须严格控制在一个相当窄的范围内，典型的 单程转化率(Conversion per pass)为60-70%，选择性为93-98%。
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The outcome has indicated that the initiating agent not only can improve the product performance, but also increase conversion per pass of the plant, it has a high economic and social benefit.
结果表明，该引发剂的应用不但改善了产品的各项性能指标，而且提高了装置的单程转化率，具有较好的效益。
The conversion-per-pass is generally low, thus necessitating gas recycle to increase overall product yield.
其单程转化率一般是低的，因此有必要使气体循环以提高总的产品收率。
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