The free toluene diisocyanate(TDI) in the curing agent TDI-TMP(Trimethylol Propane) of polyurethane was separated in laboratory by means of high-vacuum two-stage thin-film evaporation.

在采用高真空两级薄膜蒸发分离甲苯二异氰酸酯（TDI）-三羟甲基丙烷（TMP）聚氨酯固化剂中游离TDI的实验研究基础上，进行了中试研究。

youdao

The bottom one divided two-stage control, collect the temperature and pressure parameters from the site curing presses.

底层网络分二级控制，采集现场硫化机温度、压力等参数。

youdao

Thus, it is the key that to improve the curing rate of two groups and discover early, diagnose early, decrease the cases of advanced stage.

因此，提高两组的治愈率，早期发现，早期诊断，减少晚期病例是关键。

youdao