nitrogen rule

rule of thumb的翻译中文意思... ... Newman's rule of six 纽曼氏六位规则 nitrogen rule 氮规律 noncrossing rule 不相交规则 ...

化工引擎_词典查询_urea nitrogen ... 蛋白氮、 protein nitrogen 氮规则、 nitrogen rule 铵态氮、 ammonium nitrogen ...