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- zeolitic cracking catalyst 沸石裂化催化剂
- SRY is expected to be a new active component of heavy oil cracking catalyst. SRY分子筛可望成为一种新的重油裂化催化剂活性组元。
- A new residual oil cracking catalyst named MLC 500 with high bottoms cracking ability and high yield of LCO was developed. 开发了一种能裂解重质原料油、多产中间馏分油的裂化催化剂MLC-500。
- STUDY ON GRINDING OF CRACKING CATALYST FINES 裂化催化剂细粉研磨的研究
- synthetic fluid cracking catalyst 合成液体裂化催化剂
- microspheroidal cracking catalyst 裂化粉球催化剂
- fluid catalytic cracking catalyst FCC催化剂
- Fluid-bed catalytic cracking catalyst 催化裂化催化剂
- Enhancement of the quantity of strong acid sites is the trend in development of C4-olefins cracking catalysts. 尽可能提高催化剂表面强酸的酸量是C4烯烃催化裂解制丙烯反应催化剂的研制方向。
- Coke formed on cracking catalysts was investigated by ESR technique and elemental analysis. 本文以元素分析的碳含量为标准,用ESR方法研究了催化裂化催化剂的积炭。
- The kinetics and mechanism of coke deposition on cracking catalysts are reviewed and a kinetic model of coke deposition is presented. 本文提出了催化剂上结焦的动力学模型。
- The generalities and specialities of residual cracking catalysts in their preparation were discussed with examples of two residual cracking catalysts. 以两种渣油裂化催化剂为例，讨论了在渣油裂化催化剂研制中应如何考虑它们的共性与特性。
- It reviewed the latest research development of technology using waster plastics and cracked catalyst producing fuel oil and pointed out the development trend of this technology. 分析了国内外废塑料油化技术及其裂解催化剂的研究进展,并指出未来废塑料油化技术的发展方向。
- Metal passivator can inhibit nickel and vanadium pollution on the catalytic cracking catalysts and improve the property of polluted catalysts. 从制备方法、使用性能以及理化性质3个方面综合论述了国内外金属钝化剂研究的进展情况。
- This provides a good basis for assessing the performance and desulfurization result of the refining catalyst and cracking catalyst of the hydrocracker as well as the service life of the catalysts. 为加氢裂化装置所使用的精制催化剂和反应催化剂的性能、脱硫效果以及催化剂使用寿命的判断提供了依据。
- The retention volumes of benzene are measured on five cracking catalysts with different contents of coke deposit, and the five lines of log V_g-1/T are obtained. 测定了苯在五种积炭量不同的催化裂化衰化系列催化剂上的保留体积,发现它们的logV_g对1/T直线有一共同交点。
- A little crack detracts from the value of the vase. 小小的裂痕减损那个花瓶的价值。
- For cumene cracking catalysts, it was found that when the formed coke was less than a certain amount, the intensity of ESR signal correlated well with the content of carbon. 发现,对于异丙苯催化裂解反应,在一定量的积炭范围内,顺磁共振信号强度与积炭中的碳含量有很好的对应关系,ESR锐吸收峰强度可以代表催化剂上的积炭量。
- 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 marchers jumped off at the crack of dawn. 行军队伍在破晓时出发了。
