结果单纯氯氰菊酯制剂的持效时间为2个月左右，壳聚糖复配的氯氰菊酯制剂的持效时间至少为3个月。
Results The cypermethrin preparation could control pests for 2 months, but the effective duration of cypermethrin confected by chitosan was more than 3 months.
目的：从巴戟天寡糖粗提取物中分离、制备菊淀粉型五聚糖。
Objective: To isolate and preparate the inulin-type pentasaccharide from oligosaccharide extract of Morinda officinalis How.
结果：从巴戟天寡糖粗提取物中分离得到菊淀粉型五聚糖纯品，得率1.8%，纯度99.99%。
Result:The compound inulin-type pentasaccharide was preperated with the high purity of 99.99%, and the yield rate was about 1.8%.
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