“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	earth forest Earth Forest-Guge Scenic and Historic Area earth free oscillation earthgas nanometal survey earthgas survey earth-geomagnetic navigation Earth God opera earth gravitational perturbation earth gravity field earth gravity potential model earth-grazer earth-grazing asteroid earth, ground earth-inductor earthing earthing of the railway vehicles earthing switch for busbar earth-ionosphere waveguide radio wave propagation earth-light earthlight Earth-like exoplanet Earth-like planet earthly branch-preion of point selection earth magnetic field earth magnetosphere

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。