沥青

The cyclical pulse load consisting of a haversine load time and a rest period is adopted to simulate the actual vehicle load, and the permanent strain model under the repeated load is derived from the rheological and viscoelastic theories.

采用半正矢波间歇荷载模拟实际轮载作用，综合运用流变学和粘弹性力学理论推导了周期性荷载作用下沥青混合料永久变形的力学模型。

A loading cycle consisting of a haversine load followed by a rest period was adopted to simulate the actual vehicle loading on asphalt pavement, and a viscoelastic-damage mechanics model was deduced for permanent deformation of asphalt mixture under repeated load.

再采用半正矢波间歇荷载模拟实际路面轮载作用，推导了重复荷载作用下沥青混合料永久变形的弹黏塑性损伤力学模型。

The Greek historian Herodotus told of its use in the form of pitch for building and road making in the ancient city of Babylon in present-day Iraq.

希腊历史学家希罗多德告诉我们石油以沥青的形式在古巴比伦城市建设中的作用。

The Greek historian Herodotus told us of its use in the form of pitch for building and road making in the ancient city of Babylon in present-day Iraq.

希腊历史学家希罗多德告诉我们，在古时候的巴比伦，即现在的伊拉克，人们就将其以沥青的形式用于建筑和造路。

Results showed that after polymerization and calcination, needle coke with big lamellar fiber was formatted by the addition of FeCl3 and paratoluenesulfonic acid as well as hexamethylenetetramine.

结果表明：向煤沥青中添加氯化铁（FeCl3）或对甲苯磺酸和六次甲基四胺后，经聚合煅烧生成大片层纤维的针状焦。

The control system of asphalt mix plant is successfully developed and tested. Engineering application shows that it has good performance and stability, and meets the demand of the building of first rate highroad.

经系统调试和应用工程实践，表明所开发的控制系统设计合理，功能完善，运行稳定可靠，生产出的沥青混合料能够满足高等级公路施工建设的需要。

This result is caused by the complexity of HMA.

沥青混合料本身组成的复杂性是产生这种变异现象的主要原因。

Acceptable procedure for determining dry mass and bulk specific gravity of HMA samples.

可以接受的程序，以确定干质量和散装的比重热拌沥青混合料样品。

The software, based on the technology of digital image processing, is effectual to research the relationship between micro-structure and marco-performance of HMA.

在数字图象处理基础上开发的分析集料颗粒的微观参数，如周长、面积等，可以精确描述沥青混合料的集料的微观特征。

It has the same performance as the Hot Mix Asphalt and even better than it.It can be mixed and rolled at a lower temperature than the HMA.

HMA的高温生产条件不仅会导致沥青老化，同时还会消耗大量的能源，而且在生产和施工的过程中还会排放出大量的废气和粉尘，影响周围的环境质量和施工人员的身体健康，这与当前我们所倡导的绿色和可持续发展的精神是不相符的。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。