“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	overjump overjustification effect overlaid wood-based panel overland flow overlap overlapfree word overlap function overlap integral overlap matrix overlap method overlap mode double gap coupled cavity wideband output circuit overlap of articles of law overlap of basic rights norm overlap of spectral lines over-lap PCR overlapping overlapping clustering overlapping coil overlapping divergence overlapping domain decomposition method overlapping domains overlapping gene overlapping-generations model overlapping insurance overlapping mean

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