“cleaning agent and pre-membrane agent”的概念、定义、翻译、参考文献-科学参考

单词	cleaning agent and pre-membrane agent
释义	cleaning agent and pre-membrane agent Encyclopedia 工学清洗剂和预膜剂释 cleaning agent and pre-membrane agent清洗剂和预膜剂一类具有清洗作用的溶解性化学品称为是清洗剂。在金属表面清洗后加入一定量的水溶解性化合物，能在金属表面预先形成保护膜的一类化学品，称为预膜剂，也称为钝化预膜剂。
随便看	propositional connective propositional constant propositional form propositional formula propositional fragment propositional function propositional inference propositional intermediate logic propositional logic propositional mu-calculus propositional quantifier propositional representation propositional system propositional value propositional variable propositional variable; sentential variable propositional μ-calculus Proposition Bank proposition bank proposition obtained by polarity proposition of divide conclusion form proposition or example as negative evidence proposition or example as positive evidence propositions or examples as evidence propotional relationship of national economy

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。