“hard base”的概念、定义、翻译、参考文献-科学参考

单词	hard base
释义	hard base Encyclopedia 理学硬碱释 hard base硬碱作为电子对给体的路易斯碱，若给出电子对的原子电负性高、可极化性低、半径较小，该原子对外层电子吸引力强，称为硬碱。如OH-、F-、NH3、，、CH3COO-、等。 Chemistry ＞有机化学＞物理有机化学＞释义 hard base硬碱
随便看	Ricci identity Riccioli crater Ricciotto Canudo Ricci scalar Ricci tensor Ricci theorem Riccius crater Ricco crater Rice rice rice bacterial brown stripe rice bacterial foot rot rice bacterial leaf blight rice bacterial leaf streak rice bean rice black-streaked dwarf disease rice bran oil rice cadmium exceeded events rice clause rice cyst nematode disease rice direct seeder Rice distribution rice-duck farming system rice dwarf disease rice ear-cutting caterpillar

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。