1) C 4-snakes
C4蛇
2) 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。
3) C4 hydrocarbon
C4烃
1.
The trace amount of impurities,namely C5,tert-butyl alcohol,di-secondary butyl ether,methyl ethyl ketone and secondary butyl alcohol,in C4 hydrocarbon from butylene hydration tail gas were analysed by means of gas chromatograph with a column packed with sebaconitrile and polyethylene glycol-20M,and liquid-phase admission valve.
2m×4mm为填充柱,采用液相进样阀液态直接进样的填充柱气相色谱法分析了丁烯水合尾气C4烃中的C5、叔丁醇、二仲丁醚、甲乙酮及仲丁醇等微量杂质的含量。
4) C_3/C_4
C3/C4
5) C4 hydrocarbons
C4烃
1.
The pressure -composition data of C4 hydrocarbons dissolved in mixture of morpholine and N-formylmorpholine at different temperatures are determined with a static method.
用静态法测定了不同温度下C4烃与混合吗啉溶剂体系(吗啉和N-甲酰吗啉的混合物)的压力-组成数据,并与纯C4烃的饱和蒸气压曲线比较,以此确定了萃取精馏分离丁烯与丁烷的关键组分为正丁烷与丁烯-1, 其相对挥发度为1。
2.
Based on the investigation of the aromatization-alkylation process of C4 hydrocarbons,the thermodynamic analysis of the process was carried out and reaction heat of the process was obtained by theoretical calculation as well as simulation with Aspen Plus software.
以C4烃芳构化烷基化工艺研究为基础,对C4烃芳构化烷基化反应过程进行了热力学分析,并对反应过程的反应热进行了理论计算。
6) C 4 steel
C4钢
1.
C 4 steel has some functions such as excellent mechanical properties and dense nitric acid-resistance.
C4钢是我国近年来自行研制、开发的耐浓硝酸腐蚀用钢 ,具有优良的力学性能和耐蚀性能。
补充资料：(一)Zaocys dhumhades(Cantor) 游蛇科动物。(二)Zaocys 中药
分子式：
CAS号：
性质：乌梢蛇的干燥体。甘，平。主要含骨胶原、蛋白质、脂肪、果糖、1,6-二磷酸酯酶、蛇肌醛缩酶等。具有祛风，通络，止痉，明显抑制关节肿胀和二甲苯的致炎作用，抗麻疹病毒，抗麻风杆菌等作用。用于风湿顽痹，麻木拘挛，中风口眼呙斜，半身不遂，抽搐痉挛，破伤风症，麻风疥癣，瘰疬恶疮，小儿麻痹症等。
CAS号：
性质：乌梢蛇的干燥体。甘，平。主要含骨胶原、蛋白质、脂肪、果糖、1,6-二磷酸酯酶、蛇肌醛缩酶等。具有祛风，通络，止痉，明显抑制关节肿胀和二甲苯的致炎作用，抗麻疹病毒，抗麻风杆菌等作用。用于风湿顽痹，麻木拘挛，中风口眼呙斜，半身不遂，抽搐痉挛，破伤风症，麻风疥癣，瘰疬恶疮，小儿麻痹症等。
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