研究了从八角茴油中分离高纯度茴脑的生产工艺，探讨了冷冻结晶及精馏操作的最佳工艺条件。
The new separation technology of the high-purity anethole from star anise oil was studied, especially on the optimum separation conditions of freezing crystallization and vacuum rectification.
分析了影响板坯角部横裂的结晶器保护渣、二冷水、结晶器、浇注速度等工艺因素。
Factors influencing transverse corner cracks in continuously cast slab, such as mold powder, secondary cooling, processing parameters of the mold, casting speed, etc.
结果表明，矩形软接触电磁连铸结晶器角部存在明显的磁场叠加现象；
The results show that the electromagnetic flux overlap aooears distinctly at the corner of rectangular soft-contact mold.
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