“emodin”的概念、定义、翻译、参考文献-科学参考

单词	emodin
释义	emodin Encyclopedia 理学大黄素释 emodin大黄素羟基蒽醌（见蒽醌）的衍生物，分子式C15H10O5。广泛存在于植物性泻药，如大黄的根茎、鼠李的树皮和根皮、决明的种子中。此外，在一些高等真菌和地衣中也有存在。
随便看	positive real number positive real part positive real system positive recurrent point positive recurrent state positive reinforcement positive relation positive result positive root positive root system positive rotation positive school of criminology positive selection positive self-adjoint operator positive self-regard positive semi-definite positive semi-definite form positive semi definite Hermitian matrix positive semi-definite Hermitian matrix positive semi-definite kernel positive semi definite matrix positive semi-definite matrix positive semi-definite operator positive semi definite quadratic form positive semi-definite quadratic form

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。