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1·There is recent progress in theory of modified asphalts.

本文在研究沥青改质的理论问题上取得了进展。

2·At last, the aging mechanism of two asphalts was discussed.

并对沥青的老化机理进行了探讨。

3·The group constituents of the final mixture are quite similar to those of conventional asphalts.

这种混合物的族组成与常规沥青很相似。

4·It has been found that the age hardening of asphalts is mainly due to the increase of asphaltene...

沥青质含量的增加是沥青老化后性质变坏的重要原因。

5·It has been found that the age hardening of asphalts is mainly due to the increase of asphaltene content.

沥青质含量的增加是沥青老化后性质变坏的重要原因。

6·The conditions and development of pavement with ground tire rubber modified asphalts (GTRMAs) inland and abroad are introduced.

介绍了橡胶粉用于改性道路沥青的现状。

7·Through the study of the evaluation and compare of these high-viscosity asphalts, graded mixture design, performance evaluation.

通过对高粘度沥青性质评价对比、混合料性能评价等方面进行研究。

8·Determines the water content in petroleum products, tars, emulsified asphalts and other bituminous materials by the distillation method.

简单介绍迪安·斯塔克水分测定仪通过蒸馏方法测量石油产品、焦油、乳化沥青和其他沥青材料的水含量。

9·These asphalts are used in the construction of built-up roof coverings, the coating of underground transmission pipes and other applications.

这些沥青可用于组合屋面复盖层的建造、地下输送管线的涂层及其他应用领域。

10·Through lots of force ductility tests, the tensile performances of the different SBS modified asphalts in different temperatures are analyzed.

采用测力延度试验，本文分析了不同SBS改性沥青在不同温度，不同改性剂掺量下的性能变化特点。