Each component part of pitch has different show and effects to the whole system stability in the modified pitch system of SBS.

在SBS改性沥青体系中，沥青各个组分对整个体系稳定性有不同的表现和作用。

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It is obtained by distilling soft pitch in modified pitch column under certain pressure and temperature after certain time heating.

中温沥青经过在一定的压力和温度下，经过一定时间热处理获得。

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Moreover, the modified pitch of the invention has the advantages of simple production technology, easy operation and low cost, can utilize tyre rubber and realize the reuse of waste.

而且本改性沥青生产工艺简单，易于操作，成本低。并可使用轮胎橡胶，实现废物再利用。

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"Voices can indeed be changed and the pitch, pace, tonality and voice pattern can be modified to exude power, control, and position someone as the obvious leader, " says Gloria Starr, an image and etiquette consultant.

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