“浏阳霉素”的概念、定义、翻译、参考文献-科学参考

单词	浏阳霉素
释义	浏阳霉素 Encyclopedia 农学杀螨剂释 liuyangmycin浏阳霉素一种杀螨抗生素。有效成分为大环四内酯类物质。结构式中R1,R3=C2H5，R2,R4=CH3，称A组分；R1,R3,R4=C2H5，R2=CH3，称B组分；R1,R2,R3,R4=C2H5，称C组分；R1,R2,R3,R4=CH3，称D组分；R1,R2,R3=CH3,R4=C2H5，称E组分。浏阳霉素是由5个组分组成的混合体，粗提品中主要为A、B、C三个组分，各组分的杀螨活性基本相同。
随便看	Ponape Poncelet poncelet Poncelet closure theorem Poncelet coaxal theorem Poncelet continuity principle Poncelet crater Poncelet porism Poncelet-Steiner construction Poncelet-Steiner theorem Poncelet theorem Poncelet transform Poncelet transverse pond pond aquaculture pond aquaculture composite constructed wetland pond aquaculture environment pond aquaculture facilities pond aquaculture machinery pond bio-floating bed pond community pond culture of crustaceans pond culture of fish pond culture of sea cucumber pond ecological aquaculture

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