1) C 4 mixture separation
C4分离
2) C4 fraction
C4馏分
1.
A non-hydrogenation upgrading technology for C4 fraction and straight-run gasoline and its commercial application were presented.
将C4馏分和直馏汽油混合料进行非临氢改质技术处理,可得到辛烷值高且烯烃含量低的汽油和富含烷烃的液化气。
4) C 4
C4
1.
The hybrid process of distillation side-connected with pervaporation for the separation of C 4 etherified products was simulated with the HYSIM modeling system.
利用HYSIM软件系统 ,采用平推流与全混流两种进料方式的渗透汽化工艺 ,对醚化后C4产物分离的蒸馏 -渗透汽化集成过程进行模拟 ,计算了回流比、侧线出料量、侧线进出口位置、进料及返回液中甲醇含量等操作条件对产物的影响。
2.
Objective To determine the degree of C 4 changes at precede or coincide with changes in systemic lupus erythematosus (SLE) activity by 5 global activity indices(PGA, M-SLEDAI, M-LAI, SLAM, and M-BILAG), and to evaluate the correlation between changes in C 4 levels and SLE activity in individual organ systems.
目的 确定用 5种方法 (PGA、M -SLEDAI、M -LAI、SLAM和M -BILAG)定义的狼疮活动之前或同时C4水平变化的程度 ,及其与特异性脏器活动的相关性。
6) Complement component C3 and C4
补体组分C3、C4
补充资料：4063m~(3)高炉热风炉分离式热管换热器
4063m~(3)高炉热风炉分离式热管换热器
1270
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条