“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	pummelo peel Pummerer rearrangement pump pumpable time pumpage pump agent pump and probe experiment pump and treat pump as turbine pump blade pump cavitation pump cavitation erosion pump cavitation number pump characteristic curve pump characteristic test pump concrete pump control system pump coupling technique pump depletion pumped heat energy storage pumped-heat energy storage pumped hydro energy storage pumped storage pumped storage hydraulic structures pumped storage machine

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。