烘箱入口处安装前置排风，可将初期挥发的溶剂排出，废气不参加二次循环，确保安全。

At the entrance of the oven, the exhaust air equipment discharges volatilized solvent in order to avoid exhaust gas participating in the second circulation and ensure safety.

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针对含有不挥发溶剂的，不利于静电成型的纺丝体系，在传统静电纺丝方法基础上，对纺丝装置进行改进。

This paper reported the improvement of equipment on the basis of traditional electrospinning method for the polymer system containing non-volatile solvent.

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煤沥青经氧化聚合后，挥发分由52.22%下降到16%以下，相应的甲苯不溶物含量由30%增加到81%以上。

After oxidative polymerization of pith, its volatile matter is decreased from 52.22% to 16%, and its toluene insoluble matter is increased from 30% to 81%.

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