“单宁酸”的概念、定义、翻译、参考文献-科学参考

单词	单宁酸
释义	单宁酸 Encyclopedia 理学单宁酸释 tannic acid单宁酸有机酚类的一类复杂化合物。存在于多种树木（如橡树和漆树）的树皮和果实中，也是这些树木受昆虫侵袭而生成的虫瘿中的主要成分，含量50%～70%。又称鞣酸、鞣质。
随便看	quadratically summable function quadratic analysis quadratic approximation quadratic approximation method quadratic assignment problem quadratic characteristic quadratic class-number constant quadratic collision probability method quadratic complex quadratic component quadratic cone quadratic congruence quadratic congruence equation quadratic convergence quadratic convergence rate quadratic covariation process quadratic-covariation process quadratic criterion quadratic curve quadratic curve discriminant quadratic cylinder quadratic dependence quadratic deviation quadratic diameter quadratic differential

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。