The silicoaluminophosphate material has methanol conversion activity and n-hexane cracking activity.
该硅铝磷酸盐材料具有甲醇转 化活性和正己烷裂化活性。
The cracking additive has high cracking activity and liquid gas selectivity, and can reduce the content of sulfur in gasoline product.
该助剂具有较高的裂化活性和液化气选择性，同时能够降低汽油产品中硫含量。
The new catalyst has about the same physicochemical properties, as those made by conventional technology with similar cracking activity.
结果表明，新工艺制备的催化剂与原工艺产品相比，理化性能相当，裂化反应性能不低于原工艺的产品。
The hydrocarbon cracking catalysts prepared by the silica rich REHY as an active component possessed high cracking activity, low coke formation and high metal tolerance...
用该富硅分子筛作为活性组分制备的烃类裂化催化剂，具有活性高、积炭量低和较强的抗重金属污染能力。
The industry operation results show that RJW-3 catalyst possess high catalytic activity, good aromatic hydrocarbon saturation performance, low cracking activity and high crushing strength.
工业运转结果表明，该催化剂具有较高的催化活性和芳烃饱和能力、较低的裂解活性和较高的机械强度。
The thermal stability ofthe crystal structure of modified USY zeolite is increased, and n-hexane cracking activity ina pulse micro-reactor is decreased, while the olefin selectivity is increased.
改性后超稳Y型分子筛的晶体结构热稳定性增加，脉冲微反试验的正已烷裂解活性下降而烯烃选择性得到提高。
The thermal stability ofthe crystal structure of modified USY zeolite is increased, and n-hexane cracking activity ina pulse micro-reactor is decreased, while the olefin selectivity is increased.
改性后超稳Y型分子筛的晶体结构热稳定性增加，脉冲微反试验的正已烷裂解活性下降而烯烃选择性得到提高。
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