本文考察了尤里卡沥青软化点的物理意义。
This article investigates the physical significance of softening point of Eureka pitch.
本文利用线性回归的方法给出沥青软化点与电阻率和温度的函数关系式。
Using linear regression method, the authors give a function of soft point of bitumen as temperature and resistance.
同时以软化点为参数建立老化动力学模型来反映两种沥青的老化情况,并计算出活化能。
Based on parameter of softening point, aging kinetics model was established to show aging condition of two asphalts and to calculate activation energies.
同时,老化过程中,沥青针入度、软化点及延度的变化进一步证明了所得动力学模型是可靠的。
The changes of penetration, softening point and ductility of asphalt during aging proved that the kinetic model is reliable.
结果表明,空气氧化和氮气热缩聚可提高石油沥青的软化点、焦产率和正庚烷不溶物含量。
The results showed that both methods of air blowing and thermal polycondensation in the presence of nitrogen raised the asphalt softening points, and increased coke yields and heptane insolubles.
以软化点为参数建立了沥青一级老化动力学模型,为研究沥青抗老化性能提供了一种简便可行的分析方法。
The first order aging kinetic model has been put forward successfully based on softening point, which offered an available and convenient method for studying the asphalt aging behavior.
采用沥青薄膜加热试验和紫外线老化试验,对沥青的针入度、软化点、延度和粘度等性能指标进行了试验研究。
By thin film oven test and ultraviolet photooxidation test, asphalt performance indices were studied, including penetration, softening point, ductility and viscosity.
聚合物用作改性剂可以提高沥青的软化点,改善沥青的低温柔韧性,提高延度,使沥青产生可逆的弹性变形。
The polymer modifier can improve the performance of the paving asphalt on flexibility at low temperature and reversible elastic deformation.
结果表明:TLA均可提高两种基质沥青的软化点,增大其粘度,降低其延度和针入度。
The results obtained are as follows: the softening point and viscosity of two asphalts were increased, while the penetration and ductility were decreased with the introduction of TLA.
详细研究了化学改性对SBR改性乳化沥青主要性能包括软化点、针入度和低温延度的影响规律。
It studies the orderliness of chemical modification to asphalt's performances that include softening point, penetration and low temperature ductility.
研究了影响沥青结焦率和软化点(SP)的因素,以确定改进和控制其质量的工艺过程。从不同焦油中得到的沥青结焦率与BI含量呈线性关系。
Factors influencing the coke yield and the softening point (SP) of pitches were studied to ascertain procedures for the improvement and control of their quality.
研究了影响沥青结焦率和软化点(SP)的因素,以确定改进和控制其质量的工艺过程。从不同焦油中得到的沥青结焦率与BI含量呈线性关系。
Factors influencing the coke yield and the softening point (SP) of pitches were studied to ascertain procedures for the improvement and control of their quality.
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