1) residual C4
抽余C4
1.
This article reviews the study on the synthesis of tert - butanol from isobutylene in residual C4 by catalytic hydration with concentrated heteropoly acid (HPA).
对抽余C4中异丁烯杂多酸催化水合制备叔丁醇的反应进行了研究。
2) C 4-raffinate
C4抽余液
3) 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。
4) raffinate column
抽余液塔
1.
Application of minitype valve trays in raffinate column of aromatics complex;
复合孔微型高效浮阀塔盘在对二甲苯装置抽余液塔中的应用
2.
The operation of raffinate column in p-xylene unit in Zhenhai Refining and Chemical Company Limited is analyzed and the design shortcomings existing in original column internals are found out.
45 Mt/a对二甲苯装置抽余液塔的操作进行诊断分析,找出了原塔内件设计 存在的问题。
5) raffinate C5
抽余碳五
1.
The activity of modified Ni/Al2O3 catalyst in the reaction of raffinate C5 hydrogenated to produce pen-tane has been studied,and the influence of reaction temperature, LHSV, reaction pressure and molar ration of hydrogen to oil ratio on hydrogenation reaction explored.
研究了改性后Ni/Al2O3催化剂在抽余碳五加氢制戊烷中的活性,考察了反应温度、液时空速、反应压力和氢油比对加氢反应的影响。
6) remaining fraction
抽余油
1.
Daqing crude oil was separated into tree components of asphaltene, polar fraction and remaining fraction with precipitation method and silica gel column.
用沉淀法和色谱分离法将大庆原油分离成沥青质、极性物和抽余油 3部分。
2.
Kelamayi crude oil was separated into asphaltene, polar fraction and remaining fraction by precipitation method and separation through silica gel column.
用沉淀法和色谱分离法将克拉玛依原油分离成沥青质、极性物和抽余油三组分。
补充资料：铂重整抽余油
分子式：
分子量：
CAS号：
性质：铂重整油经抽提芳烃后所剩余的一部分油。主要万分是碳六至碳八烷烃。可用作裂解原料，也可少量掺入商品汽油。
分子量：
CAS号：
性质：铂重整油经抽提芳烃后所剩余的一部分油。主要万分是碳六至碳八烷烃。可用作裂解原料，也可少量掺入商品汽油。
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