“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 [`härd `as·ǝd] ^CHEMISTRY A Lewis acid of low polarizability, small size, and high positive oxidation state; it does not have easily excitable outer electrons; some examples are H⁺, Li⁺, and Al⁺.
随便看	exhaustion point exhaustion region exhaust manifold exhaust nozzle exhaust pipe exhaust scrubber exhaust stream exhaust stroke exhaust suction stroke exhaust trail exhaust valve exhaust velocity exhibitionism exhumation exhumed exine exinite existence doubtful existential psychiatry existential quantifier exit exite exit pupil exit region ex lighterage

科学参考收录了103327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。