The above results show that ultrasonic extraction is more convenient and time-saving, and the oil extracted by this method has the lower acid value.
上述结果表明超声提取南瓜子油与热溶剂提取法比较具有操作简便、省时和低酸价的优点。
Abstract: the thermochemistry selective liquefaction of bamboo powder in phenol was carried out under lower temperature and lower acid-catalyzed concentration.
摘要：以苯酚为液化试剂，在低温和低酸催化剂浓度等温和条件下对竹粉进行选择性酚化，分离得到液化液和竹纤维素微粉。
Abstract: the thermochemistry selective liquefaction of bamboo powder in phenol was carried out under lower temperature and lower acid-catalyzed concentration.
摘要：以苯酚为液化试剂，在低温和低酸催化剂浓度等温和条件下对竹粉进行选择性酚化，分离得到液化液和竹纤维素微粉。
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