沥青

On the basis of the performance of the pavement, three typical samples of aggregates for wearing course are tested to determine squeezing and filling effects between coarse aggregate and fine aggregate, medium effects between asphalt cement and mineral filling material. Meanwhile, matrix analysis method is adopted to establish prediction model for properties of asphalt mixture and complete procedure of a new type asphalt mixture design method is proposed according to volumetric design method and requirements on properties of asphalt mixture and the method has applied for national patent.

研究建立了玄武岩、锰铁合金渣和含燧石碳酸盐岩三类路面耐磨集料体系，以路面性能要求为基础，试验考察了集料的嵌挤效应与填充效应以及沥青胶浆的介质效应，以体积设计法为基础，应用数值分析方法，提出了新型沥青混合料设计方法，并已申请了国家发明专利。

Moreover, the constant electrical conductivity of the asphalt concrete increased slowly with the temperature increasing, which presented a normal temperature effect. The mechanism of the electric conduction of the asphalt concrete can be explained by using electric channels and tunnel effect in which a net factor, n, which indicates the capability of conductive net formation in the concrete. Combined with the transfusion theory, a type of sea-island model is proposed.

导电沥青混凝土的导电行为可用导电通道和隧道效应进行分析，引进了考虑填料在基体中形成导电网络链难易程度的网络因子n，结合渗流导电理论，建立了导电沥青混合料的&海岛—网络&模型。

While utilizing the time-temperature equivalent principle it has proposed the relation complex shearing: G* with driving speed: V, test temperature, and think the impact on high-temperature performance of asphalt mixture of temperature is greater than the impact on high-temperature performance of asphalt mixture of the driving speed.

利用时温等效原理提出了复数剪切模量G*与行车速度V、试验温度的关系，并认为温度对沥青混合料高温性能的影响大于行车速度对沥青混合料高温性能的影响。

The time and temperature dependence of dynamic modulus and phase angle of hot mix asphalt is analyzed,the master curve of dynamic modulus and phase angle is built using time-temperature superposition principle,the Witczak predictive equation is verified using the test results,which is helpful to provide good reference for China to use dynamic modulus as pavement design parameters.

分析了沥青混合料动态模量和相位角对温度和加载频率的依赖性，利用时间-温度置换原理建立了动态模量的通用曲线，并用动态模量实测结果对Witczak预估模型进行了验证和分析，为将动态模量作为沥青路面设计参数和混合料性能评价指标提供了有益参考。

The wet grinding process suitable for coal tar pitch particles must be investigated to prepare the coal tar pitch water slurry as a new clean fuel.

为制备煤沥青水浆清洁燃料，必须研究适合于煤沥青颗粒的湿法磨矿工艺。

A tar-cooker bubbles and smokes. TWO CONS dip up a bucket of tar and tie a rope to the handle. The rope goes taught.

煮沥青的锅里冒着烟气和泡泡还有，两个犯人捞起一桶沥青，在提手上系上绳子，系紧。

ERwi/SJ0 At present, we mainly provide three series of products based on our own research and development, including:1、Copper Roof Tile Series;2、Colored Stone-coated Metal Roof Tile Series ;3、Interlocking Metal Roof Tile Series.

北京卡普泰尔科贸有限公司是当前国内最专业研发生产金属瓦类产品的厂家之一，更是中国第一家自主研发并生产沥青铜瓦系列产品的企业。目前，我公司自主研发生产的系列产品包括：沥青铜瓦系列、多彩蛭石金属瓦系列、契合式金属板屋面系统等。

Research shows that, the dynamic stability of rubber asphalt mixture has almost linear relationship with softening point and viscosity.

接下来分析了沥青胶结料对橡胶沥青混合料高温稳定性能的影响。

The addition of MMT increases the softening point and decreases the penetration of SBS modified bitumen.

蒙脱土的加入使SBS改性沥青的软化点升高，改善了SBS改性沥青的高温稳定性能。

This paper studied penetration of asphalt emulsion and asphalt diluted by paraffin and infection of preservation; presented optimal prime coat material and dosage, and determined optimal dosage of SBS modified asphalt and base asphalt as seal coat binder sprayed on cement stabilized gravel. This paper also analysed influence of different material combination on shear intensity between base and surface. The shear intensity of earthwork cloth is also researched through analysis on different cloth, temperature and treatment on gravel.

文中通过室内试验，研究了乳化沥青和煤油稀释沥青作为半刚性基层透层材料的渗透效果，以及基层不同养生龄期对其的影响，提出了水泥稳定碎石和二灰稳定碎石基层上最佳的透层材料及其最佳洒布量；研究和分析了下封层不同透封层材料的组合、不同结合料以及不同基底材料对封层材料用量以及基面层间抗剪强度的影响。

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。