1) C4.4A
C4·4A
1.
Expression and diagnostic application of C4.4A protein in squamous cell carcinoma and adenocarcinoma;
C4·4A蛋白在鳞状细胞癌和腺癌中的表达差异及其意义
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：C4
全称为c4塑胶炸药，简称c4。其主要成分是聚异丁烯,用火药混合塑料制成,威力极大。
c4的名称由来是每个单分子结构里有4个碳。是一种高效的易爆炸药，由梯恩梯（tnt）、semtex和白磷等高性能爆炸物质混合而成，可以被碾成粉末状，能随意装在橡皮材料中，然后挤压成任何形状。如果外边附上黏着性材料，就可以安置在非常隐蔽的部位，像口香糖那样牢牢地黏附在上面，因此被称为残酷"口香糖"。c4塑胶炸药原产捷克，现在美国也是主要生产国。这种炸药能轻易躲过x光安全检查，这一点是恐怖分子喜欢使用的原因。未经特定嗅识训练的警犬也难以识别它。
正是由于c4的这些性质，所以它一般都是各国军队使用的，普通民间难以得到。
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