“catalyst grading”的概念、定义、翻译、参考文献-科学参考

单词	catalyst grading
释义	catalyst grading Encyclopedia 工学固定床加氢释 catalyst grading催化剂级配在一定原料性质和工艺条件下，将不同功能的加氢催化剂按一定的比例依次装填，以满足产品性质和运转周期要求的技术。是固定床加氢工艺的核心技术之一。
随便看	Roche zone Rochon prism R. Ochsenfeld rock rock abrasiveness rock abrasive properties rock acoustic emission experiment Rockafellar dual Rockafeller rockair Rock and Mineral Analysis rock and mineral identification rock and mineral phase analysis rock and soil compression test rock and soil engineering Rock and Soil Mechanics rock and soil mechanics test rock and soil shear test rock and soil specimen rock and soil water dynamics Rock and Stone Inscriptions of Ancient Indonesia rock art rock avalanche disaster, RAD rock bearing plate experiment rock bit drilling

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。