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- aged cracked gasoline 陈化的裂化汽油
- Autogenous shrinkage (AS) is an important factor that results in early age crack of high strength concrete. 摘要自收缩是导致高强混凝土早期开裂的重要因素。
- deterioration of cracked gasoline 裂化汽油变质
- antioxidant for cracked gasoline [机] 裂化汽油抗氧剂
- In this paper, a method for the determination of olefin of cracking gasoline by NIR is presented. 介绍了近红外光谱(NIR)分析技术在线测定催化汽油样品烯烃含量的方法。
- When adding ethanol with 10 percent in volume, the catalytic cracking gasoline would increase in 3. 4 with RON, and 1.4 with MON. 催化裂化汽油中添加体积分数为10%25的乙醇后;其辛烷值(RON)提高3.;4个单位;辛烷值(MON)增加1
- Combined with stoichiometric method, the diene value in cracking gasoline was determined by Fourier Transform Infrared Spectroscopy at selected wavenumber region. 用傅里叶红外光谱仪,在选定的波数范围内,采用化学计量学法测量乙烯裂解汽油的二烯值。
- Secondary reactions of catalytically cracked gasoline 催化裂化汽油的二次反应
- The factors which affect early age cracking were studied such as curing methods,workability,sand ratio and modulus of sand. 探讨了养护条件、混凝土工作性能、砂率以及砂的细度模数等因素对混凝土早期开裂的影响,并提出了减少、避免开裂的相应措施。
- Keywords ethylene plant;crack gasoline;de-heavy fractionator; 乙烯装置;裂解汽油;脱重塔;
- Keywords Cracked gasoline hydrogenation unit;Nonane-distill-tower;Modification; 裂解汽油加氢装置;脱壬烷塔;改造;
- The drainage system has been aged. 排水系统已经老化了。
- He prefers to assort with people of his own age. 他更喜欢与自己的同龄人交往。
- The aged is taken care of in the old folks home. 老年人在养老院里受到照顾。
- Even the best quality rubber will perish with age. 就是最佳质量的橡胶也会因老化而腐烂。
- He come to the fore as a physicist at an early age. 他在早年就成了杰出的物理学家。
- The average age of the boys in this class is fifteen. 本班男生的平均年龄是十五岁。
- Education should not be restricted to any one specific age group. 教育不应限制在任何特定的年龄组上。
- The sick and the aged need our help. 病人和老人需要我们帮助。
- HYDRODESULFURIZATION OF CATALYTIC CRACKING GASOLINE 催化汽油加氢脱硫