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1)  center carbon segregation
中心碳偏析
1.
The evolvement analysis on center carbon segregation of U74 heavy rail steel bloom after blooms rolling;
U74重轨大方坯开坯后中心碳偏析的演变分析
2.
Effect of Concasting Technology Parameters on Center Carbon Segregation of High Carbon Steel Billet;
连铸工艺参数对高碳钢小方坯中心碳偏析的影响
2)  central carbon segregation
中心碳偏析
1.
Thermal diffusion rule of central carbon segregation in billets for steel cord
帘线钢坯中心碳偏析的热扩散规律研究
2.
By means of mechanical performance trials and chemical analysis,metallographical examination as well as other methods,the reasons of the brittle fracture of 5 0?mm PC steel wire are analyzed and studied It is considered that the key reasons are that the 82B raw materials have serious defects of central carbon segregation and residual shrink hol
采用力学性能试验、化学分析和金相分析等手段对 5 0mm光面预应力钢丝发生脆断的原因进行分析研究 ,认为 5 0mm光面预应力钢丝脆断的主要原因是由于 82B原料中有严重的中心碳偏析和残余缩
3)  centerline segregation
中心偏析
1.
Original position statistic distribution analysis of the centerline segregation and the inclusion distribution in the cross section of continuous casting slab under different drawing speed technology conditions;
不同拉速工艺下连铸板坯横截面中心偏析和夹杂物的原位统计分布分析
2.
The causes and the countermeasures of centerline segregation of slabs in No. 2 Steelmaking plant of HISCO;
邯钢二炼钢厂板坯中心偏析的成因及对策
3.
Application of dynamic soft reduction technology in the control of centerline segregation of medium carbon steel slab
动态轻压下在中碳钢铸坯中心偏析控制中的应用
4)  central segregation
中心偏析
1.
Effect of electromagnetic stirring at secondary cooling area on central segregation of a continuously cast slab;
二冷区电磁搅拌对连铸板坯中心偏析的影响
2.
When the reduction amount exceeds this value,there is no visible improvement of central segregation while the.
压下量一般以6~7 mm为宜,超过此值后压下量继续增加,中心偏析无明显改善,中心裂纹却增加。
3.
According to the analysis results from the database of the sulfur print of slab in An steel,the technological parameters influencing central segregation in micro-alloyed steels were analyzed.
根据鞍钢管线钢连铸坯硫印分析结果数据库,对影响中心偏析的工艺进行了系统的分析。
5)  center segregation
中心偏析
1.
Influencing factors on center segregation in continuously cast Nb-V-Ti-contained micro-alloying slabs;
含铌钒钛微合金化钢连铸板坯中心偏析的影响因素
2.
Practice in controlling center segregation of continuons casting slab
控制连铸板坯中心偏析的实践
3.
The distribution of elements,center segregation,porosity,inclusions and so on in the cross section of automobile beam slab were investigated by original position statistic distribution analysis(OPA) technique.
采用金属原位分析技术对汽车大梁钢坯横截面上各元素的成分分布、中心偏析、疏松、夹杂等进行质量分析。
6)  centreline segregation
中心偏析
1.
The formation of centreline segregation in continuously cast billet has been simulated based on the continuum model and the effect of the interdendritic liquid flow on the centreline segregation is analyzed.
基于连续模型对连铸方坯的中心偏析进行了数值模拟,分析了枝晶间液相流动对铸坯中心偏析的影响。
2.
These system can simulate the centreline segregation ratio and accurately control the soft reduction acting at the solidification end of the slab,thus the centreline segregation ratio and center loosen will be reduced,and the quality of continuous casting slab will be greatly improved.
RAM动态轻压下系统,采用了衡阳镭目公司最新开发的连铸坯凝固模型、动态轻压下控制模型和伺服执行系统等,对连铸坯的中心偏析进行数值模拟,精确地对连铸坯凝固末端实施动态轻压下,从而降低了铸坯中心偏析、中心疏松的程度,大大提高了铸坯产品质量。
补充资料:含不饱和碳碳键聚合物
分子式:
CAS号:

性质:含不饱和碳碳键的功能聚合物主要有三种类型,第一种为聚合物中不饱和键相互共轭,构成线性共轭聚合物,包括聚乙炔型、聚芳杂环和聚苯衍生物。这类聚合物多具有电子导电和光导电特性,经掺杂处理后导电率可以达到半导体,甚至金属导体范围。是重要的导电聚合物。第二种为不饱和键表现为多核芳香烃,或者多核杂环等共轭结构,而各共轭结构相互之间相对独立,处在饱和聚合物的侧链上。这种聚合物多表现出一定光导特性,如聚乙烯基咔唑,是重要的高分子光导材料。第三种为不饱和键在聚合物中孤立存在,如含有肉桂酸酯的聚合物,这种聚合物在紫外光照射下能够发生交联反应,是潜在的负性光刻胶,可以用于印刷制版和集成电路生产。碳碳双键中的π电子还具有配位能力,与过渡金属离子构成类似二茂铁型络合物。

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