1) hard paving asphalt
硬质道路沥青
1.
Two hard paving asphalt products from Karamay naphthenic heavy crude produced by propane deasphalting-blending process were analyzed and a series of performance tests was conducted.
对以克拉玛依环烷基稠油为原料采用丙烷脱沥青-调合工艺生产的30号、50号硬质道路沥青产品的性质进行分析,并进行PG分级评定和混合料性能评价试验。
2) hard bitumen
硬质沥青
1.
Synthetic ammonia plant uses hard bitumen as feedstock,with Texaco gasification process,CO sulfur tolerant shift catalyst,Linde low temperature methanol washing and low temperature liquidized nitrogen purification as well as Topse ammonia synthesis process Urea plant takes the Italian Snam ammonia steam stripping proces
合成氨以硬质沥青为原料 ,采用德士古气化、耐硫催化剂CO变换、林德低温甲醇洗和低温注氮洗净化及托普索氨合成工艺 ,尿素采用意大利斯那姆氨汽提流
2.
Hard bitumen has a low penenration and has better high temperature performance than soft bitumen.
硬质沥青针入度低,高温性能相对于高标号沥青更为优越,在德国、日本等大跨径钢桥面浇注式沥青混凝土铺装中应用较为广泛,取得了良好的使用效果。
3) Hard asphalt
硬质沥青
1.
Experiment study on the modulus of hard asphalt stabilized macadam
硬质沥青稳定碎石模量试验研究
2.
Hard asphalt A-30 is a kind of high viscosity base asphalt which characterized by low penetration,high viscosity,high stiffness,high soft point,and low ductility,it has satisfactory high- temperature stability,better temperature susceptibility,only unsatisfactory low-temperature perfor- mance.
A-30硬质沥青是指粘稠度相对较大的基质沥青,具有针入度小、粘稠度大、劲度大、软化点高、延度小的特点,其高温性能优良,温度敏感性好,低温性能略差。
3.
Combined with the key technical study project of the long service life asphalt pavement of the heavy-load traffic by the Ministry of Communication and in the light of the fatigue performance of hard asphalt concrete,the article introduces the relative experiments and carries out the relative analysis to provide the referring suggestion for the anti-fatigue study of half-rigidity pavement.
该文结合交通部重载交通长寿命沥青路面关键技术研究项目,针对硬质沥青混凝土的疲劳性能,作了相关的试验与分析,为半刚性路面的抗疲劳研究提出了参考性建议。
4) hard pitch
硬质沥青
1.
Since the commissioning of the production line for hard pitch at AISCChemical General Works in Apr.
鞍钢化工总厂硬质沥青生产线自1983年4月建成投产以来，已向国际市场提供了近30万t产品，取得了可观的经济效益。
5) Paving asphalt
道路沥青
1.
Evaluation on low temperature performance of paving asphalt using bending beam rheometer
用弯曲梁流变仪评价道路沥青的低温性能
2.
Abstract The analysis of producing paving asphalt from high-asphahene Tahe crude concluded that the major problem was the poor anti-aging performance and lower ductility of the asphalt.
分析了高沥青质塔河原油减压渣油生产道路沥青的潜在优势和不足。
3.
The process for producing heavy traffic paving asphalt and polymer modified paving asphalt(PMA) from Tahe crude oil with high asphaltene content was presented,and the paving performance evaluation of these asphalts was also studied.
提出了以高沥青质的塔河原油生产重交通道路沥青和聚合物改性道路沥青的制备工艺,并对产品进行了路用性能评价。
6) Pavement asphalt
道路沥青
1.
Advances in pavement asphalt produced by solvent deasphalting;
溶剂脱沥青生产道路沥青技术进展
2.
Pavement asphalt is a very complicated mixture consisting of different chemical components.
道路沥青是一种复杂的混合物 ,影响道路沥青性质的因素有很多 ,对国内道路沥青而言 ,较高的含蜡量严重影响国产高等道路沥青的性能 ,蜡对道路沥青性能的影响 ,国内外都有不同的观点。
补充资料：硬质沥青
分子式：
CAS号：
性质：原油经深度减压蒸馏或深拔再经丙烷脱沥青工艺后制得的沥青。黑色固体。软化点较高。如以中国大庆渣油为原料制得的产品软化点可达98.30℃。可用作沥青的基础组分，调配成要求的产品，或将其乳化后作燃料用。其他用途正在开发中。
CAS号：
性质：原油经深度减压蒸馏或深拔再经丙烷脱沥青工艺后制得的沥青。黑色固体。软化点较高。如以中国大庆渣油为原料制得的产品软化点可达98.30℃。可用作沥青的基础组分，调配成要求的产品，或将其乳化后作燃料用。其他用途正在开发中。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条