结论通过分离纯化获得了有较强活性的神经营养物质。
Conclusion The substances with strong neurotrophic activities were isolated and purified.
采用新鲜植物原料常温提取分离，可以把生存活性物质、生物活性物质都提取出来。
Survival active substances and bioactive substances can be obtained by extracting and separating fresh plant materials under normal temperature.
用增值性和选择性培养基从活性污泥中分离出高絮凝活性物质微生物b - 1，用B - 1对高岭土悬浊液进行絮凝性能实验研究。
Microbial flocculate B-1 is separated from high activated sludge by breeding and selectivity-media and is used in experimental research of microbial flocculation properties of kaolinite suspension.
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