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 results showed that under certain condition, the trend of the properties of Kaolin Clays, such as surface area, pore volume, pore size distribution and cracking activity etc.
在不同的温度、时间、酸浓度等条件下，用不同的无机酸对高岭土进行改性处理，考察其改性后的比表面、孔容、孔径分布及裂化活性的变化。
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。
IR and n-hexane cracking reaction were used to investigate the effect of different treatment conditions on acidity and catalytic activity.
用红外光谱和正己烷裂解反应考察了不同处理条件对其酸性和催化活性的影响。
The perfermance test on a commercial riser cracker shows that meta-Y-3A molecular sieve cracking catalyst is of high activity and improved gasoline selectivity.
偏Y-3A分子筛裂化催化剂在提升管催化裂化工业装置上使用试验的结果表明，该催化剂的裂化活性较高，汽油选择性较好。
This catalyst has to ensure high cracking ability whistling reasonably inhibit on H-transfer reaction activity.
该催化剂必须要兼顾高的裂化活性及适度控制的氢转移功能。
The influences of composition and structure of catalysts and cracking conditions on catalytic activity are also discussed. Further key study areas in catalytic cracking of tars are presented.
分析了不同催化剂的优缺点及催化机理，讨论了催化剂的组成、结构以及催化裂解条件对催化效果的影响，展望了未来焦油催化裂解的研究重点。
Then-heptane cracking reaction was selected as probe reaction to investigate the activity of studied samples.
以正庚烷裂化反应为探针反应考察了样品的活性。
Effects of vanadium poisoning on molecular sieves and catalysts were studied and a high-activity solid vanadium-resistant additive for fluid catalytic cracking was prepared.
研究了钒对分子筛和催化剂性能的影响，并开发出一种高活性固体的流化催化裂化抗钒助剂。
Yellow water flavoring liquid was produced by yellow water after primary filtration and addition of high activity bio-enzyme processed by catalyzing beat cracking.
将黄水粗滤后，添加高活性生物酶进行催化热裂处理，制得黄水调味液。
Besides increasing the catalyst activity, the pre-polymerization can not only raise the bulk density and isotacticity of the PP product, but also significantly diminish the cracking of the PP powders.
预聚除能够提高催化剂的活性外，对提高聚丙烯粉料的表观密度和等规指数、减少聚丙烯颗粒的破碎有显著影响。
The results indicated that the RJW-1 catalyst has a high activity for the saturation of polyaromatics at low temperature and a low cracking capability and good stability.
该催化剂在较低的反应温度下，具有高的饱和稠环芳烃的能力和较小的裂解性能。
The results indicated that the RJW-1 catalyst has a high activity for the saturation of polyaromatics at low temperature and a low cracking capability and good stability.
该催化剂在较低的反应温度下，具有高的饱和稠环芳烃的能力和较小的裂解性能。
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