“四环素”的概念、定义、翻译、参考文献-科学参考

单词	四环素
释义	四环素 Encyclopedia 理学四环素释 tetracycline四环素由金色链霉菌发酵得到的广谱抗生素，分子式C22H24N2O8，分子量444.43。是四环素类抗生素中代表性的化合物。 Chemistry ＞有机化学＞天然产物及药物＞释义 tetracycline四环素 Biology tetracycline四环素
随便看	physical activity and exercise physical activity epidemiology Physical activity level coefficient physical activity level，PAL physical address physical adsorbent for carbon dioxide physical adsorption physical adsorption and chemical adsorption physical adsorption on mineral surface physical aesthetic education physical ag[e]ing physical ageing physical aggression physical aging physical aging of polymer physical aging of polymers physical agriculture physical analysis of 3D printed objects Physical and Breathing Exercises Picture physical and chemical analysis of air physical and chemical analysis of biological material physical and chemical analysis of cosmetics physical and chemical analysis of food physical and chemical analysis of soil physical and chemical examination for public health

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。