“catalytic　cracking catalysts”的概念、定义、翻译、参考文献-科学参考

单词	catalytic　cracking catalysts
释义	catalytic　cracking catalysts Encyclopedia 工学催化裂化释 catalytic　cracking catalysts催化裂化催化剂改变催化裂化反应速率而本身不参与反应的物质。用于催化裂化工艺技术，选择性地将重质油原料裂化为液化气、汽油和柴油产品，甚至一些低碳烯烃类产品。
随便看	countervailing power countervailing principle counter weight counterweight counter weight arm counting counting complexity counting constant counting cup counting efficiency counting fractions over 1/2 as one and disregarding the rest counting fractions over 1/2 as one and disregarding the rest; rounding; half adjust counting function counting generalized principle counting inspection counting labeled tree counting machine counting measure counting method of viable bacteria counting number counting of collection counting off counting polynomial counting principle counting problem

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