“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	water intake and sediment control Water Intake Hub in Ancient China water-intake regulation water intake right transaction water intake structure Water intake with dam water integration of industrial ecological park water intoxication water intoxication of calves water invasion replacement coefficient water-jacketed centrifugal concentrator water-jet actinometer water jet cutting waterjet deep penetration perforation water jet fragmentation water jet loom water jet strip water jet technology water-jetting process water landing area water-land interaction Water law water law Water Law of Republic of China Water Law of South Africa

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