方法：人体试验法测定有效保护时间和有效保护率。
Methods:Protective time and rate were observed by means of human body's test.
方法在试验人群暴露的下肢上均匀涂抹驱避剂，然后观察驱避剂的有效率和有效保护率。
Methods The mosquito repellent was painted on the lower limbs of the subjects on-the-spot, then the effective ratios and effective protection ratios were observed.
应用冷冻干燥技术，可使溶壁酶破壁灵芝孢子粉的有效成分（ 多糖）的保护率在99%左右。
And the protection rate of effective component could reach 99% with lywallzyme sporoderm-broken plus freeze-drying technique.
应用冷冻干燥技术，可使溶壁酶破壁灵芝孢子粉的有效成分（ 多糖）的保护率在99%左右。
And the protection rate of effective component could reach 99% with lywallzyme sporoderm-broken plus freeze-drying technique.
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