“hard acid”的概念、定义、翻译、参考文献-科学参考

单词	hard acid
释义	hard acid Encyclopedia 理学硬酸释 hard acid硬酸软硬酸碱理论中，具有较高的电荷密度、较小半径以及较弱的可极化性的路易斯酸。例如H+、Na+、Ti4+、R3C+、SO3、BF3等。 Chemistry ＞有机化学＞物理有机化学＞释义 hard acid硬酸
随便看	development and utilization of forest resources development and utilization of submarine mineral resources development and utilization of underground space development and utilization plan of mineral resources development axis development base of mineral resources development blasting development bonus development by ramp development by slope development center development communication theory development control development degree of environmental geological problems development economics development education development ethic development ethics development examination development finance development financing development game development history of agricultural economics and management disciplinary development history of agricultural environmental protection development history of landfill disposal

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。