| 1. | En 534 corrugated bitumen sheets 带瓦楞的沥青层 |
| 2. | Analysis of bottom cracks in asphalt layers with geometric functions and weight functions 沥青层底裂缝几何函数和权函数分析 |
| 3. | Asbestos asphalt layer 石棉沥青层 |
| 4. | Research on urban highway new - style asphalt overlay on existing cement concrete pavement 旧水泥混凝土城市道路加铺新型沥青层方案研究 |
| 5. | The effects of the existing asphalt layer on the stress of utw have been analyzed in elastic three layer system 利用弹性三层体系,分析了沥青层对应力的影响规律。 |
| 6. | In order to restore the strength and the surface performance of the pavement , the author introduces the overlay asphalt pavement 为解决路面结构补强或表面功能不足等问题,采用加铺沥青层的技术措施。 |
| 7. | Flexible sheets for waterproofing - waterproofing of concrete bridge decks and other concrete surfaces trafficable by vehicles - determination of the resistance to compaction of an asphalt layer 防水软板.混凝土船桥甲板和车辆通行的其他混凝土表面的防水.沥青层耐压性测定 |
| 8. | ( 4 ) influence on reflected wave of the moisture of surface , base and subgrade and voids of asphalt surface is analyzed and characteristic waves are simulated to offer reference to analyzing actual wave ( 4 )对路面面层、基层和地基的含水量以及沥青层空隙率对雷达反射波的影响进行分析,并对其特征波形进行模拟,为分析处理实际波形提供参考。 |
| 9. | Secondly , two applications of gpml abc in modeling pulse radar are shown : one is detecting pipeline underground , and the other is its application to highway technology . thirdly , with back - projection algorithm , we have formed the image of tree - trunks . in summary , the application of fdtd in uwb fopen so far is impressive 然后,对适用于有耗媒质的gpml边界条件的应用开展了深入研究,对脉冲雷达探测地下管道和测量高速公路沥青层厚度进行了fdtd算法模拟。 |