沥青

The source of the asphalt and the crude oil are homogeneity in some way, but lanthanon fractionation of the asphalt is relatively high. So it can show that the asphalt is higher than the evolution degree of crude oil. Origin has also variety, some samples maybe exert deep fluid.

表现出两者在来源上具有某种程度上的同源性，但沥青的稀土分馏程度较石油大的多，由此表明沥青的演化过程较石油更复杂。

In the pack rolling of thin sheet, it is not use water cooling for the quickly decreasing of temperature of the work piece. The temperature of work roll is 300~400℃. Now the sliding bearing can not be lubricated by normal lubrication oil but massive asphalt. Mist and dust created by asphalt burning pollutes the environment of workshop.

在薄板叠轧工艺中，为了使工件温度快速下降减缓，不应该使用速冷，工作辊温度在300~400℃之间，这时，滑动轴承不应该使用普通润滑油润滑，而应当使用大量的沥青，沥青加热产生的蒸汽和灰尘会污染厂房的环境。

Natural bitumen was also the binder for the so-called compressed rock asphalt.

天然沥青也是粘结剂的所谓压缩岩沥青。

Combining with Maopingxi asphalt concrete core rock fill dam of Three Gorges Project, using monitoring data of the dam in the period of completion, parameters of asphalt concrete core of Duncan-Chang constitutive model are inversed.

结合三峡茅坪溪沥青混凝土心墙堆石坝工程，利用竣工期坝体填筑现场原型监测资料，对心墙沥青混凝土的Duncan模型参数进行了反演计算。

Referring to the research result of large stone asphalt mixture in foreign countries, thestructure and performance of large stone asphalt treated base have been researched.

本文参照国外对大粒径沥青混合料的研究成果，对大粒径沥青稳定碎石基层结构和性能进行研究。

The countermeasure to lessen flow rutting is advanced and the design idea of coordinated combination design for asphalt layers is proposed. The use of binder course of graded broken stone not only decreases the trend of lateral flow deformation at high temperature but also reduces the lateral displacement of surface layer and middle layer.

给出了减少流动性车辙产生的对策；提出了沥青结构层协调组合设计的理念；指出了级配碎石联结层的使用不仅会减少高温下沥青上、中面层的侧向流动变形趋势，还会减小上、中面层的横向位移。

Taking three different emulsified asphalt as waterproof bond coat ,researching the shear strength and tensile strength of the three different modified emulsified asphalt and ascertaining the optimum amount of them have important significance to guarantee the quality of bridge deck pavement.

以三种不同的乳化沥青为防水粘结层，研究这三种不同改性乳化沥青的抗剪强度、抗拉强度并确定三者的最佳撒铺量，对于保证桥面铺装质量具有重要的意义。

According to the compound performance index and its service condition, the appropriate proportion of polymer and asphalt was confirmed,and the formulation of the compound for the seamless bridge joint was designed.

在一定范围内，采用不同比例的苯乙烯-丁二烯-苯乙烯嵌段共聚物和丁苯橡胶对石油沥青进行改性，并根据混合物的各项性能指标和混合物的使用条件，确定SBS、SBR与沥青的合适比例，得到无缝式桥梁伸缩缝专用弹塑体配方。

Construction Department: Bull Dozer, Excavator, Wheel Loader, Dump Truck, Crane, Roller, Grader, Concrete Paver, Asphalt Paver, Cement Mixing Plant, Asphalt Mixing Plant, Mining Machine, Road Cleaning Machine, Engine, Generator,etc, Whole Plant and Spare Parts

工程机械部：推土机、挖掘机、装载机、自卸车、吊机、压路机、平地机、水泥摊铺机、沥青摊铺机、水泥混凝土搅拌站、沥青混凝土搅拌站、路面铣刨机、路面清扫车、发动机、柴油发电机组之整机及零配件。

The study showed that interaction of co-carbonization of coal tar pitch and lean coal was the coaction of physical bond and chemical interaction, in which the bond state of coke interface was improved by physical bond, and coal tar pitch varied the carbonization behavior of lean coal through chemical interaction with the increase of the blending ratio of coal tar pitch, the caking property of coal blend was greatly improved, OTI value of coke was increased, while ISO value was reduced.

其中物理融合表现在使焦炭界面结合状态改善，化学相互作用表现在煤沥青使贫煤的炭化性能发生变化。随煤沥青配比的增加，配煤黏结性有较大改善，焦炭OTI值增大，ISO值减小。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。