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- distillate selective cracking process 柴油选择裂化工艺
- selective cracking process 选择裂化
- Result showed that C4 and C5 selective cracking had good development prospect. 结果表明,C4、C5选择性裂解技术具有良好的发展前景。
- Deep Catalytic Cracking(DCC) is a commercially proven fluidized catalytic process for selectively cracking a variety of hydrocarbon feeds to light olefins. 深度催化裂解技术（DCC技术）是一项选择性地催化裂解各种不同的重油原料，生产低分子烯烃的新技术。
- Recent progress in the research on the ways and forms of nickel deposition on FCC catalysts as well as their influence on catalytic cracking process are reported. 本文总结了关于流化催化裂化（FCC）催化剂上镍沉积方式、形态和镍沉积对催化裂化反应影响的研究成果。
- The influences of low temperature ozone oxidation and initiation cracking process on the yield of fraction oil were investingated with Beijiang oil as feedstock. 以北疆原油为原料,考察了重油低温臭氧氧化及引发裂化工艺对馏分油收率的影响。
- 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。
- Abstract 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 production methods of directly using blending process, micromulsions process, thermal cracking process and transesterification process were introduced. 介绍了直接混合、微乳液、高温热裂解及酯交换等生产方法。
- The design of a waste heat boiler as well as methods concerning the ash deposit,abrasion and flue gas leakage for the petrochemistry s 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 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。
- This usually means more processes-a cracking process to change an excess of heavy fuel oil into more gasoline with coke as the residual product to accommodate the ever-changing demands of the market. 一般而言，这意味着需要更多的工艺以适应不断变化的市场需求：运用裂化工艺将过剩重燃料油转化成汽油，而焦碳成为残余品；
- The cracking process of Austrian Kolnbrein double curvature thin arch dam heel,analysis of cracking cause by domestic and foreign specialists and approach to cracking mechanism of arch dam by authors are presented. 介绍了奥地利Kolnbrein双曲薄拱坝坝踵产生裂缝的过程和国内外专家对裂缝成因的分析，以及作者对拱坝产生开裂的机理的探讨。
- Petroleum distillates are a huge category that includes thousands of products. In fact, the term refers to anything that comes from the distillation, or cracking process, of petroleum crude oil. 石油蒸馏物是一个范围很大的种类，包括上千种产品。实际上，它是指原油的蒸馏或裂变过程。
- In this paper, the cracking process of wall over ground fissures was studied by using the Realistic Failure Processes Analysis (RFPA) code. 摘要应用材料真实破裂过程分析RFPA系统，对横跨地表裂缝的墙体开裂过程进行了数值试验研究。
- 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。
- 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。
- A little crack detracts from the value of the vase. 小小的裂痕减损那个花瓶的价值。
- She helped to select a dress for Ruth. 她帮着给露丝选了一件衣裳。
- She is selective in the dresses she wears. 她对于自己穿的衣服精挑细选。
