The process is considered by some refiners as a supplement to the basic catalytic cracking process.
一些炼油公司将此工艺看作是催化裂化基本工艺的一个补充。
And the relevant suggestion for developing trend of catalytic cracking process and catalyst is pointed out.
对催化裂化工艺和催化剂的发展趋势提出了相关的建议。
Catalyst for promoting conversion of high-boiling hydrocarbons into lower-boiling types in catalytic cracking process.
在催化裂化过程中为促进高沸点烃类转化成低沸点烃类所用的催化剂。
The paper introduces an on-line self-learning optimization algorithm , and its application on the catalytic cracking process.
本文介绍一种在线的自学习经验调优系统及其在催化裂化装置的应用。
It has been found that the LOCAL aggregate characteristic features are important in the cracking process and mechanism of fracture.
认识到混凝土局部的结构特征对于探讨其破坏过程和断裂机理是很重要的。
The ethylene cracking furnace was the core unit, and the thermal cracking process was one of the most important technologies of the ethylene industry.
乙烯裂解炉是乙烯装置的核心设备，而乙烯裂解技术是整个乙烯工业的关键技术之一。
The characteristics and applications of the R2R residue catalytic cracking process jointly developed by the French TOTAL Company and IFP wele introduced.
介绍了法国TOTAL公司和IFP联合开发的R2R重油催化裂化工艺的特点及应用情况。
By changing the nolch local ion of Charpy impact test specimens studied the effect of nolch location on toughness and cracking process in multi-layer welds.
通过改变焊缝夏比冲击试样的缺口取向，研究了缺口位向对多层焊缝金属韧性及断裂过程的影响。
Propylene and ethylene are the major raw chemical materials for organic chemical industry, which are mainly derived from hydrocarbon steam cracking process.
丙烯、乙烯是重要的基本有机化工原料，且二者的市场需求日益旺盛，其主要来源是蒸汽裂解装置。
A pilot orthoflow catalytic cracking unit suitable for investigations of the residumblending catalytic cracking process was developed by our researching group.
介绍了作者新研制的用于掺渣油催化裂化研究的同轴式催化裂化实验装置。
The stress distribution under the flat anchors for different conditions was studied, and the cracking behavior, cracking mechanism and cracking process were all found out.
研究各种情况下扁锚锚下应力分布状态及其造成的开裂行为，找出开裂机理，解释开裂过程。
The design of a waste heat boiler as well as methods concerning the ash deposit, abrasion and flue gas leakage for the petrochemistrys catalytic cracking process are introduced.
阐述了一台利用石化行业催化裂解装置废气的余热锅炉设计过程，重点介绍解决锅炉积灰、磨损和漏烟问题的方法。
The key problem of coking seriously restricts the stable and continuous operation in thermal plasma downer reactor for the coal cracking process to produce acetylene production.
热等离子体煤裂解制乙炔下行床反应器工艺的严重结焦是制约该过程稳定操作与连续运行的瓶颈。
The experiment result shows that adding polypropylene fiber into concrete can improve its ductility and inhibit its cracking process and ultimately achieve the cracking-control aim.
试验结果表明，在混凝土中掺入聚丙烯纤维可以提高混凝土的韧性，抑制混凝土的开裂过程，从而有效达到防裂的目的。
Naphtha is the main feedstock for steam cracking process, therefore its property directly influences the yields of main cracking products and the operation cycle of cracking furnace.
石脑油作为蒸汽裂解工艺的主要原料，其性质直接影响裂解主要产品收率和裂解炉操作周期。
A newly down flow reactor with new ways of feed atomization and oil catalyst contact was developed according to the characteristic of ultra short contact time catalytic cracking process.
根据超短接触时间催化裂化工艺的特点，开发了具有新型原料雾化和剂、油接触方式的下行式反应器。
Based on the precise mechanistic model and molecular reaction kinetic model of cracking reaction kinetics, the platform can support the simulation of cracking process with various feeds.
该平台基于裂解反应动力学的严格机理模型和分子反应动力学模型，支持对多种热裂解原料的裂解过程模拟。
The results showed that reaction temperature, catalyst type, feedstock properties and catalyst charge in the secondary reaction zone all have influence on MIP catalytic cracking process.
结果表明：反应温度、催化剂类型、原料油性质、第二反应区催化剂藏量等是影响MIP催化裂化技术的主要因素；
Based on the material balance, energy balance and reaction kinetics, a dynamic model, having the form of a nonlinear distributed parameter has been presented for catalytic cracking process.
基于物料衡算、热量衡算和反应动力学建立的催化裂化过程动态模型是具有非线性、分布参数的模型形式。
The double lift pipe catalytic cracking process and apparatus for modifying inferior petrol in petroleum processing aims at reducing the olefin content and sulfur content in petrol greatly.
本发明公开了石油加工过程的一种改质劣质汽油的双提升管催化裂化方法 及装置，主要用于解决采用现有技术所生产的汽油烯烃含量或硫含量下降幅度 不大的问题。
In catalytic cracking process, compared with thermal cracking, cracking temperature of endothermic hydrocarbon fuel could be decreased, so its endothermic capability could be increased effectively.
结果表明：催化裂解可显著降低吸热型碳氢燃料发生裂解反应的温度，提高其吸热能效。
To react at a shorter contact time can enhance skeletal isomerization reaction under lower reaction temperature, since isomerization is a relatively quick reaction during catalytic cracking process.
骨架异构化反应是一个快速反应，低反应温度下减少反应时间会增强催化过程中的骨架异构化反应。
This paper reviewed the characteristics, distributions of products, catalysts and industrial applications of catalytic cracking process for increasing yield of propylene both inside and outside China.
综述了国内外催化裂化多产丙烯工艺的特点、产品分布、催化剂及工业应用情况。
CONTROLLED COOLING: Process by which steel is cooled from an elevated temperature in a predetermined manner to avoid excessive hardening, cracking or internal damage.
强制冷却：将高温钢材强制冷却到设计温度的工序，可防止钢材硬化过度，破裂或者内部损伤。
These inclusions resulted in cracking of the cold forging steel during the cold heading process.
通过理化检测，对铆螺钢在冷镦时出现开裂的原因进行了分析。
Then it makes deep and systematic analysis and research in accordance with RBI technology application during the inspection process of Fluid Catalytic Cracking plant in Huabei petrochemical Company.
然后针对RBI技术在华北石化公司催化裂化装置检测流程中的应用情况，进行了深入系统的分析和研究。
The dual-group hydrocarbon type rubber plasticizer was prepared using the heavy components in the production of heavy oil catalytic cracking by secondary deasphalting process.
以重油催化裂化装置生产的重组分油为原料，采用二次脱沥青精制工艺，可制备二元族烃型橡胶增塑剂。
Also a closing course of initial crack and thermal cracking coming into being in the cooling process are observed in our experiment.
实验还观察到砂岩表面微缺陷发生闭合的全过程，在冷却过程也有微裂纹形成等现象。
Nonequilibrium process for cracking ethane in the manufacture of ethene is numerically investigated.
对乙烷裂解制造乙烯的非平衡过程进行了分析。
Unsaturated polyester resin (UPR) wastes pyrolysis was cracked to prepare feed stock, and process conditions of catalytic cracking reaction were introduced systematically.
对不饱和聚酯树脂(upr)废料裂解制原料油技术进行了研究，系统地考察了催化裂解反应工艺条件。
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